]>
Commit | Line | Data |
---|---|---|
31f18b77 FG |
1 | // Copyright 2007, Google Inc. |
2 | // All rights reserved. | |
3 | // | |
4 | // Redistribution and use in source and binary forms, with or without | |
5 | // modification, are permitted provided that the following conditions are | |
6 | // met: | |
7 | // | |
8 | // * Redistributions of source code must retain the above copyright | |
9 | // notice, this list of conditions and the following disclaimer. | |
10 | // * Redistributions in binary form must reproduce the above | |
11 | // copyright notice, this list of conditions and the following disclaimer | |
12 | // in the documentation and/or other materials provided with the | |
13 | // distribution. | |
14 | // * Neither the name of Google Inc. nor the names of its | |
15 | // contributors may be used to endorse or promote products derived from | |
16 | // this software without specific prior written permission. | |
17 | // | |
18 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
1e59de90 | 29 | |
31f18b77 FG |
30 | |
31 | // Google Mock - a framework for writing C++ mock classes. | |
32 | // | |
33 | // This file tests some commonly used argument matchers. | |
34 | ||
1e59de90 TL |
35 | // Silence warning C4244: 'initializing': conversion from 'int' to 'short', |
36 | // possible loss of data and C4100, unreferenced local parameter | |
37 | #ifdef _MSC_VER | |
38 | # pragma warning(push) | |
39 | # pragma warning(disable:4244) | |
40 | # pragma warning(disable:4100) | |
41 | #endif | |
42 | ||
31f18b77 | 43 | #include "gmock/gmock-matchers.h" |
31f18b77 FG |
44 | |
45 | #include <string.h> | |
46 | #include <time.h> | |
1e59de90 TL |
47 | |
48 | #include <array> | |
49 | #include <cstdint> | |
31f18b77 | 50 | #include <deque> |
1e59de90 | 51 | #include <forward_list> |
31f18b77 FG |
52 | #include <functional> |
53 | #include <iostream> | |
54 | #include <iterator> | |
55 | #include <limits> | |
56 | #include <list> | |
57 | #include <map> | |
1e59de90 | 58 | #include <memory> |
31f18b77 FG |
59 | #include <set> |
60 | #include <sstream> | |
61 | #include <string> | |
1e59de90 TL |
62 | #include <type_traits> |
63 | #include <unordered_map> | |
64 | #include <unordered_set> | |
31f18b77 FG |
65 | #include <utility> |
66 | #include <vector> | |
1e59de90 TL |
67 | |
68 | #include "gmock/gmock-more-matchers.h" | |
31f18b77 | 69 | #include "gmock/gmock.h" |
31f18b77 | 70 | #include "gtest/gtest-spi.h" |
1e59de90 | 71 | #include "gtest/gtest.h" |
31f18b77 FG |
72 | |
73 | namespace testing { | |
31f18b77 | 74 | namespace gmock_matchers_test { |
1e59de90 | 75 | namespace { |
31f18b77 FG |
76 | |
77 | using std::greater; | |
78 | using std::less; | |
79 | using std::list; | |
80 | using std::make_pair; | |
81 | using std::map; | |
82 | using std::multimap; | |
83 | using std::multiset; | |
84 | using std::ostream; | |
85 | using std::pair; | |
86 | using std::set; | |
87 | using std::stringstream; | |
88 | using std::vector; | |
31f18b77 FG |
89 | using testing::internal::DummyMatchResultListener; |
90 | using testing::internal::ElementMatcherPair; | |
91 | using testing::internal::ElementMatcherPairs; | |
1e59de90 | 92 | using testing::internal::ElementsAreArrayMatcher; |
31f18b77 FG |
93 | using testing::internal::ExplainMatchFailureTupleTo; |
94 | using testing::internal::FloatingEqMatcher; | |
95 | using testing::internal::FormatMatcherDescription; | |
96 | using testing::internal::IsReadableTypeName; | |
31f18b77 | 97 | using testing::internal::MatchMatrix; |
1e59de90 | 98 | using testing::internal::PredicateFormatterFromMatcher; |
31f18b77 | 99 | using testing::internal::RE; |
31f18b77 FG |
100 | using testing::internal::StreamMatchResultListener; |
101 | using testing::internal::Strings; | |
1e59de90 TL |
102 | |
103 | // Helper for testing container-valued matchers in mock method context. It is | |
104 | // important to test matchers in this context, since it requires additional type | |
105 | // deduction beyond what EXPECT_THAT does, thus making it more restrictive. | |
106 | struct ContainerHelper { | |
107 | MOCK_METHOD1(Call, void(std::vector<std::unique_ptr<int>>)); | |
108 | }; | |
109 | ||
110 | std::vector<std::unique_ptr<int>> MakeUniquePtrs(const std::vector<int>& ints) { | |
111 | std::vector<std::unique_ptr<int>> pointers; | |
112 | for (int i : ints) pointers.emplace_back(new int(i)); | |
113 | return pointers; | |
114 | } | |
31f18b77 FG |
115 | |
116 | // For testing ExplainMatchResultTo(). | |
117 | class GreaterThanMatcher : public MatcherInterface<int> { | |
118 | public: | |
119 | explicit GreaterThanMatcher(int rhs) : rhs_(rhs) {} | |
120 | ||
1e59de90 | 121 | void DescribeTo(ostream* os) const override { *os << "is > " << rhs_; } |
31f18b77 | 122 | |
1e59de90 | 123 | bool MatchAndExplain(int lhs, MatchResultListener* listener) const override { |
31f18b77 FG |
124 | const int diff = lhs - rhs_; |
125 | if (diff > 0) { | |
126 | *listener << "which is " << diff << " more than " << rhs_; | |
127 | } else if (diff == 0) { | |
128 | *listener << "which is the same as " << rhs_; | |
129 | } else { | |
130 | *listener << "which is " << -diff << " less than " << rhs_; | |
131 | } | |
132 | ||
133 | return lhs > rhs_; | |
134 | } | |
135 | ||
136 | private: | |
137 | int rhs_; | |
138 | }; | |
139 | ||
140 | Matcher<int> GreaterThan(int n) { | |
141 | return MakeMatcher(new GreaterThanMatcher(n)); | |
142 | } | |
143 | ||
1e59de90 | 144 | std::string OfType(const std::string& type_name) { |
31f18b77 | 145 | #if GTEST_HAS_RTTI |
1e59de90 | 146 | return IsReadableTypeName(type_name) ? " (of type " + type_name + ")" : ""; |
31f18b77 FG |
147 | #else |
148 | return ""; | |
149 | #endif | |
150 | } | |
151 | ||
152 | // Returns the description of the given matcher. | |
153 | template <typename T> | |
1e59de90 TL |
154 | std::string Describe(const Matcher<T>& m) { |
155 | return DescribeMatcher<T>(m); | |
31f18b77 FG |
156 | } |
157 | ||
158 | // Returns the description of the negation of the given matcher. | |
159 | template <typename T> | |
1e59de90 TL |
160 | std::string DescribeNegation(const Matcher<T>& m) { |
161 | return DescribeMatcher<T>(m, true); | |
31f18b77 FG |
162 | } |
163 | ||
164 | // Returns the reason why x matches, or doesn't match, m. | |
165 | template <typename MatcherType, typename Value> | |
1e59de90 | 166 | std::string Explain(const MatcherType& m, const Value& x) { |
31f18b77 FG |
167 | StringMatchResultListener listener; |
168 | ExplainMatchResult(m, x, &listener); | |
169 | return listener.str(); | |
170 | } | |
171 | ||
1e59de90 TL |
172 | TEST(MonotonicMatcherTest, IsPrintable) { |
173 | stringstream ss; | |
174 | ss << GreaterThan(5); | |
175 | EXPECT_EQ("is > 5", ss.str()); | |
176 | } | |
177 | ||
31f18b77 FG |
178 | TEST(MatchResultListenerTest, StreamingWorks) { |
179 | StringMatchResultListener listener; | |
180 | listener << "hi" << 5; | |
181 | EXPECT_EQ("hi5", listener.str()); | |
182 | ||
183 | listener.Clear(); | |
184 | EXPECT_EQ("", listener.str()); | |
185 | ||
186 | listener << 42; | |
187 | EXPECT_EQ("42", listener.str()); | |
188 | ||
189 | // Streaming shouldn't crash when the underlying ostream is NULL. | |
190 | DummyMatchResultListener dummy; | |
191 | dummy << "hi" << 5; | |
192 | } | |
193 | ||
194 | TEST(MatchResultListenerTest, CanAccessUnderlyingStream) { | |
1e59de90 TL |
195 | EXPECT_TRUE(DummyMatchResultListener().stream() == nullptr); |
196 | EXPECT_TRUE(StreamMatchResultListener(nullptr).stream() == nullptr); | |
31f18b77 FG |
197 | |
198 | EXPECT_EQ(&std::cout, StreamMatchResultListener(&std::cout).stream()); | |
199 | } | |
200 | ||
201 | TEST(MatchResultListenerTest, IsInterestedWorks) { | |
202 | EXPECT_TRUE(StringMatchResultListener().IsInterested()); | |
203 | EXPECT_TRUE(StreamMatchResultListener(&std::cout).IsInterested()); | |
204 | ||
205 | EXPECT_FALSE(DummyMatchResultListener().IsInterested()); | |
1e59de90 | 206 | EXPECT_FALSE(StreamMatchResultListener(nullptr).IsInterested()); |
31f18b77 FG |
207 | } |
208 | ||
209 | // Makes sure that the MatcherInterface<T> interface doesn't | |
210 | // change. | |
211 | class EvenMatcherImpl : public MatcherInterface<int> { | |
212 | public: | |
1e59de90 TL |
213 | bool MatchAndExplain(int x, |
214 | MatchResultListener* /* listener */) const override { | |
31f18b77 FG |
215 | return x % 2 == 0; |
216 | } | |
217 | ||
1e59de90 | 218 | void DescribeTo(ostream* os) const override { *os << "is an even number"; } |
31f18b77 FG |
219 | |
220 | // We deliberately don't define DescribeNegationTo() and | |
221 | // ExplainMatchResultTo() here, to make sure the definition of these | |
222 | // two methods is optional. | |
223 | }; | |
224 | ||
225 | // Makes sure that the MatcherInterface API doesn't change. | |
226 | TEST(MatcherInterfaceTest, CanBeImplementedUsingPublishedAPI) { | |
227 | EvenMatcherImpl m; | |
228 | } | |
229 | ||
230 | // Tests implementing a monomorphic matcher using MatchAndExplain(). | |
231 | ||
232 | class NewEvenMatcherImpl : public MatcherInterface<int> { | |
233 | public: | |
1e59de90 | 234 | bool MatchAndExplain(int x, MatchResultListener* listener) const override { |
31f18b77 FG |
235 | const bool match = x % 2 == 0; |
236 | // Verifies that we can stream to a listener directly. | |
237 | *listener << "value % " << 2; | |
1e59de90 | 238 | if (listener->stream() != nullptr) { |
31f18b77 FG |
239 | // Verifies that we can stream to a listener's underlying stream |
240 | // too. | |
241 | *listener->stream() << " == " << (x % 2); | |
242 | } | |
243 | return match; | |
244 | } | |
245 | ||
1e59de90 | 246 | void DescribeTo(ostream* os) const override { *os << "is an even number"; } |
31f18b77 FG |
247 | }; |
248 | ||
249 | TEST(MatcherInterfaceTest, CanBeImplementedUsingNewAPI) { | |
250 | Matcher<int> m = MakeMatcher(new NewEvenMatcherImpl); | |
251 | EXPECT_TRUE(m.Matches(2)); | |
252 | EXPECT_FALSE(m.Matches(3)); | |
253 | EXPECT_EQ("value % 2 == 0", Explain(m, 2)); | |
254 | EXPECT_EQ("value % 2 == 1", Explain(m, 3)); | |
255 | } | |
256 | ||
257 | // Tests default-constructing a matcher. | |
258 | TEST(MatcherTest, CanBeDefaultConstructed) { | |
259 | Matcher<double> m; | |
260 | } | |
261 | ||
262 | // Tests that Matcher<T> can be constructed from a MatcherInterface<T>*. | |
263 | TEST(MatcherTest, CanBeConstructedFromMatcherInterface) { | |
264 | const MatcherInterface<int>* impl = new EvenMatcherImpl; | |
265 | Matcher<int> m(impl); | |
266 | EXPECT_TRUE(m.Matches(4)); | |
267 | EXPECT_FALSE(m.Matches(5)); | |
268 | } | |
269 | ||
270 | // Tests that value can be used in place of Eq(value). | |
271 | TEST(MatcherTest, CanBeImplicitlyConstructedFromValue) { | |
272 | Matcher<int> m1 = 5; | |
273 | EXPECT_TRUE(m1.Matches(5)); | |
274 | EXPECT_FALSE(m1.Matches(6)); | |
275 | } | |
276 | ||
277 | // Tests that NULL can be used in place of Eq(NULL). | |
278 | TEST(MatcherTest, CanBeImplicitlyConstructedFromNULL) { | |
1e59de90 TL |
279 | Matcher<int*> m1 = nullptr; |
280 | EXPECT_TRUE(m1.Matches(nullptr)); | |
31f18b77 FG |
281 | int n = 0; |
282 | EXPECT_FALSE(m1.Matches(&n)); | |
283 | } | |
284 | ||
1e59de90 TL |
285 | // Tests that matchers can be constructed from a variable that is not properly |
286 | // defined. This should be illegal, but many users rely on this accidentally. | |
287 | struct Undefined { | |
288 | virtual ~Undefined() = 0; | |
289 | static const int kInt = 1; | |
290 | }; | |
291 | ||
292 | TEST(MatcherTest, CanBeConstructedFromUndefinedVariable) { | |
293 | Matcher<int> m1 = Undefined::kInt; | |
294 | EXPECT_TRUE(m1.Matches(1)); | |
295 | EXPECT_FALSE(m1.Matches(2)); | |
296 | } | |
297 | ||
298 | // Test that a matcher parameterized with an abstract class compiles. | |
299 | TEST(MatcherTest, CanAcceptAbstractClass) { Matcher<const Undefined&> m = _; } | |
300 | ||
31f18b77 FG |
301 | // Tests that matchers are copyable. |
302 | TEST(MatcherTest, IsCopyable) { | |
303 | // Tests the copy constructor. | |
304 | Matcher<bool> m1 = Eq(false); | |
305 | EXPECT_TRUE(m1.Matches(false)); | |
306 | EXPECT_FALSE(m1.Matches(true)); | |
307 | ||
308 | // Tests the assignment operator. | |
309 | m1 = Eq(true); | |
310 | EXPECT_TRUE(m1.Matches(true)); | |
311 | EXPECT_FALSE(m1.Matches(false)); | |
312 | } | |
313 | ||
314 | // Tests that Matcher<T>::DescribeTo() calls | |
315 | // MatcherInterface<T>::DescribeTo(). | |
316 | TEST(MatcherTest, CanDescribeItself) { | |
317 | EXPECT_EQ("is an even number", | |
318 | Describe(Matcher<int>(new EvenMatcherImpl))); | |
319 | } | |
320 | ||
321 | // Tests Matcher<T>::MatchAndExplain(). | |
322 | TEST(MatcherTest, MatchAndExplain) { | |
323 | Matcher<int> m = GreaterThan(0); | |
324 | StringMatchResultListener listener1; | |
325 | EXPECT_TRUE(m.MatchAndExplain(42, &listener1)); | |
326 | EXPECT_EQ("which is 42 more than 0", listener1.str()); | |
327 | ||
328 | StringMatchResultListener listener2; | |
329 | EXPECT_FALSE(m.MatchAndExplain(-9, &listener2)); | |
330 | EXPECT_EQ("which is 9 less than 0", listener2.str()); | |
331 | } | |
332 | ||
333 | // Tests that a C-string literal can be implicitly converted to a | |
1e59de90 | 334 | // Matcher<std::string> or Matcher<const std::string&>. |
31f18b77 | 335 | TEST(StringMatcherTest, CanBeImplicitlyConstructedFromCStringLiteral) { |
1e59de90 | 336 | Matcher<std::string> m1 = "hi"; |
31f18b77 FG |
337 | EXPECT_TRUE(m1.Matches("hi")); |
338 | EXPECT_FALSE(m1.Matches("hello")); | |
339 | ||
1e59de90 | 340 | Matcher<const std::string&> m2 = "hi"; |
31f18b77 FG |
341 | EXPECT_TRUE(m2.Matches("hi")); |
342 | EXPECT_FALSE(m2.Matches("hello")); | |
343 | } | |
344 | ||
345 | // Tests that a string object can be implicitly converted to a | |
1e59de90 | 346 | // Matcher<std::string> or Matcher<const std::string&>. |
31f18b77 | 347 | TEST(StringMatcherTest, CanBeImplicitlyConstructedFromString) { |
1e59de90 | 348 | Matcher<std::string> m1 = std::string("hi"); |
31f18b77 FG |
349 | EXPECT_TRUE(m1.Matches("hi")); |
350 | EXPECT_FALSE(m1.Matches("hello")); | |
351 | ||
1e59de90 | 352 | Matcher<const std::string&> m2 = std::string("hi"); |
31f18b77 FG |
353 | EXPECT_TRUE(m2.Matches("hi")); |
354 | EXPECT_FALSE(m2.Matches("hello")); | |
355 | } | |
356 | ||
1e59de90 | 357 | #if GTEST_INTERNAL_HAS_STRING_VIEW |
31f18b77 | 358 | // Tests that a C-string literal can be implicitly converted to a |
1e59de90 TL |
359 | // Matcher<StringView> or Matcher<const StringView&>. |
360 | TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromCStringLiteral) { | |
361 | Matcher<internal::StringView> m1 = "cats"; | |
31f18b77 FG |
362 | EXPECT_TRUE(m1.Matches("cats")); |
363 | EXPECT_FALSE(m1.Matches("dogs")); | |
364 | ||
1e59de90 | 365 | Matcher<const internal::StringView&> m2 = "cats"; |
31f18b77 FG |
366 | EXPECT_TRUE(m2.Matches("cats")); |
367 | EXPECT_FALSE(m2.Matches("dogs")); | |
368 | } | |
369 | ||
1e59de90 TL |
370 | // Tests that a std::string object can be implicitly converted to a |
371 | // Matcher<StringView> or Matcher<const StringView&>. | |
372 | TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromString) { | |
373 | Matcher<internal::StringView> m1 = std::string("cats"); | |
374 | EXPECT_TRUE(m1.Matches("cats")); | |
375 | EXPECT_FALSE(m1.Matches("dogs")); | |
376 | ||
377 | Matcher<const internal::StringView&> m2 = std::string("cats"); | |
378 | EXPECT_TRUE(m2.Matches("cats")); | |
379 | EXPECT_FALSE(m2.Matches("dogs")); | |
380 | } | |
381 | ||
382 | // Tests that a StringView object can be implicitly converted to a | |
383 | // Matcher<StringView> or Matcher<const StringView&>. | |
384 | TEST(StringViewMatcherTest, CanBeImplicitlyConstructedFromStringView) { | |
385 | Matcher<internal::StringView> m1 = internal::StringView("cats"); | |
31f18b77 FG |
386 | EXPECT_TRUE(m1.Matches("cats")); |
387 | EXPECT_FALSE(m1.Matches("dogs")); | |
388 | ||
1e59de90 | 389 | Matcher<const internal::StringView&> m2 = internal::StringView("cats"); |
31f18b77 FG |
390 | EXPECT_TRUE(m2.Matches("cats")); |
391 | EXPECT_FALSE(m2.Matches("dogs")); | |
392 | } | |
1e59de90 | 393 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW |
31f18b77 | 394 | |
1e59de90 TL |
395 | // Tests that a std::reference_wrapper<std::string> object can be implicitly |
396 | // converted to a Matcher<std::string> or Matcher<const std::string&> via Eq(). | |
397 | TEST(StringMatcherTest, | |
398 | CanBeImplicitlyConstructedFromEqReferenceWrapperString) { | |
399 | std::string value = "cats"; | |
400 | Matcher<std::string> m1 = Eq(std::ref(value)); | |
31f18b77 FG |
401 | EXPECT_TRUE(m1.Matches("cats")); |
402 | EXPECT_FALSE(m1.Matches("dogs")); | |
403 | ||
1e59de90 | 404 | Matcher<const std::string&> m2 = Eq(std::ref(value)); |
31f18b77 FG |
405 | EXPECT_TRUE(m2.Matches("cats")); |
406 | EXPECT_FALSE(m2.Matches("dogs")); | |
407 | } | |
31f18b77 FG |
408 | |
409 | // Tests that MakeMatcher() constructs a Matcher<T> from a | |
410 | // MatcherInterface* without requiring the user to explicitly | |
411 | // write the type. | |
412 | TEST(MakeMatcherTest, ConstructsMatcherFromMatcherInterface) { | |
1e59de90 | 413 | const MatcherInterface<int>* dummy_impl = nullptr; |
31f18b77 FG |
414 | Matcher<int> m = MakeMatcher(dummy_impl); |
415 | } | |
416 | ||
417 | // Tests that MakePolymorphicMatcher() can construct a polymorphic | |
418 | // matcher from its implementation using the old API. | |
419 | const int g_bar = 1; | |
420 | class ReferencesBarOrIsZeroImpl { | |
421 | public: | |
422 | template <typename T> | |
423 | bool MatchAndExplain(const T& x, | |
424 | MatchResultListener* /* listener */) const { | |
425 | const void* p = &x; | |
426 | return p == &g_bar || x == 0; | |
427 | } | |
428 | ||
429 | void DescribeTo(ostream* os) const { *os << "g_bar or zero"; } | |
430 | ||
431 | void DescribeNegationTo(ostream* os) const { | |
432 | *os << "doesn't reference g_bar and is not zero"; | |
433 | } | |
434 | }; | |
435 | ||
436 | // This function verifies that MakePolymorphicMatcher() returns a | |
437 | // PolymorphicMatcher<T> where T is the argument's type. | |
438 | PolymorphicMatcher<ReferencesBarOrIsZeroImpl> ReferencesBarOrIsZero() { | |
439 | return MakePolymorphicMatcher(ReferencesBarOrIsZeroImpl()); | |
440 | } | |
441 | ||
442 | TEST(MakePolymorphicMatcherTest, ConstructsMatcherUsingOldAPI) { | |
443 | // Using a polymorphic matcher to match a reference type. | |
444 | Matcher<const int&> m1 = ReferencesBarOrIsZero(); | |
445 | EXPECT_TRUE(m1.Matches(0)); | |
446 | // Verifies that the identity of a by-reference argument is preserved. | |
447 | EXPECT_TRUE(m1.Matches(g_bar)); | |
448 | EXPECT_FALSE(m1.Matches(1)); | |
449 | EXPECT_EQ("g_bar or zero", Describe(m1)); | |
450 | ||
451 | // Using a polymorphic matcher to match a value type. | |
452 | Matcher<double> m2 = ReferencesBarOrIsZero(); | |
453 | EXPECT_TRUE(m2.Matches(0.0)); | |
454 | EXPECT_FALSE(m2.Matches(0.1)); | |
455 | EXPECT_EQ("g_bar or zero", Describe(m2)); | |
456 | } | |
457 | ||
458 | // Tests implementing a polymorphic matcher using MatchAndExplain(). | |
459 | ||
460 | class PolymorphicIsEvenImpl { | |
461 | public: | |
462 | void DescribeTo(ostream* os) const { *os << "is even"; } | |
463 | ||
464 | void DescribeNegationTo(ostream* os) const { | |
465 | *os << "is odd"; | |
466 | } | |
467 | ||
468 | template <typename T> | |
469 | bool MatchAndExplain(const T& x, MatchResultListener* listener) const { | |
470 | // Verifies that we can stream to the listener directly. | |
471 | *listener << "% " << 2; | |
1e59de90 | 472 | if (listener->stream() != nullptr) { |
31f18b77 FG |
473 | // Verifies that we can stream to the listener's underlying stream |
474 | // too. | |
475 | *listener->stream() << " == " << (x % 2); | |
476 | } | |
477 | return (x % 2) == 0; | |
478 | } | |
479 | }; | |
480 | ||
481 | PolymorphicMatcher<PolymorphicIsEvenImpl> PolymorphicIsEven() { | |
482 | return MakePolymorphicMatcher(PolymorphicIsEvenImpl()); | |
483 | } | |
484 | ||
485 | TEST(MakePolymorphicMatcherTest, ConstructsMatcherUsingNewAPI) { | |
486 | // Using PolymorphicIsEven() as a Matcher<int>. | |
487 | const Matcher<int> m1 = PolymorphicIsEven(); | |
488 | EXPECT_TRUE(m1.Matches(42)); | |
489 | EXPECT_FALSE(m1.Matches(43)); | |
490 | EXPECT_EQ("is even", Describe(m1)); | |
491 | ||
492 | const Matcher<int> not_m1 = Not(m1); | |
493 | EXPECT_EQ("is odd", Describe(not_m1)); | |
494 | ||
495 | EXPECT_EQ("% 2 == 0", Explain(m1, 42)); | |
496 | ||
497 | // Using PolymorphicIsEven() as a Matcher<char>. | |
498 | const Matcher<char> m2 = PolymorphicIsEven(); | |
499 | EXPECT_TRUE(m2.Matches('\x42')); | |
500 | EXPECT_FALSE(m2.Matches('\x43')); | |
501 | EXPECT_EQ("is even", Describe(m2)); | |
502 | ||
503 | const Matcher<char> not_m2 = Not(m2); | |
504 | EXPECT_EQ("is odd", Describe(not_m2)); | |
505 | ||
506 | EXPECT_EQ("% 2 == 0", Explain(m2, '\x42')); | |
507 | } | |
508 | ||
509 | // Tests that MatcherCast<T>(m) works when m is a polymorphic matcher. | |
510 | TEST(MatcherCastTest, FromPolymorphicMatcher) { | |
511 | Matcher<int> m = MatcherCast<int>(Eq(5)); | |
512 | EXPECT_TRUE(m.Matches(5)); | |
513 | EXPECT_FALSE(m.Matches(6)); | |
514 | } | |
515 | ||
516 | // For testing casting matchers between compatible types. | |
517 | class IntValue { | |
518 | public: | |
519 | // An int can be statically (although not implicitly) cast to a | |
520 | // IntValue. | |
521 | explicit IntValue(int a_value) : value_(a_value) {} | |
522 | ||
523 | int value() const { return value_; } | |
524 | private: | |
525 | int value_; | |
526 | }; | |
527 | ||
528 | // For testing casting matchers between compatible types. | |
529 | bool IsPositiveIntValue(const IntValue& foo) { | |
530 | return foo.value() > 0; | |
531 | } | |
532 | ||
533 | // Tests that MatcherCast<T>(m) works when m is a Matcher<U> where T | |
534 | // can be statically converted to U. | |
535 | TEST(MatcherCastTest, FromCompatibleType) { | |
536 | Matcher<double> m1 = Eq(2.0); | |
537 | Matcher<int> m2 = MatcherCast<int>(m1); | |
538 | EXPECT_TRUE(m2.Matches(2)); | |
539 | EXPECT_FALSE(m2.Matches(3)); | |
540 | ||
541 | Matcher<IntValue> m3 = Truly(IsPositiveIntValue); | |
542 | Matcher<int> m4 = MatcherCast<int>(m3); | |
543 | // In the following, the arguments 1 and 0 are statically converted | |
544 | // to IntValue objects, and then tested by the IsPositiveIntValue() | |
545 | // predicate. | |
546 | EXPECT_TRUE(m4.Matches(1)); | |
547 | EXPECT_FALSE(m4.Matches(0)); | |
548 | } | |
549 | ||
550 | // Tests that MatcherCast<T>(m) works when m is a Matcher<const T&>. | |
551 | TEST(MatcherCastTest, FromConstReferenceToNonReference) { | |
552 | Matcher<const int&> m1 = Eq(0); | |
553 | Matcher<int> m2 = MatcherCast<int>(m1); | |
554 | EXPECT_TRUE(m2.Matches(0)); | |
555 | EXPECT_FALSE(m2.Matches(1)); | |
556 | } | |
557 | ||
558 | // Tests that MatcherCast<T>(m) works when m is a Matcher<T&>. | |
559 | TEST(MatcherCastTest, FromReferenceToNonReference) { | |
560 | Matcher<int&> m1 = Eq(0); | |
561 | Matcher<int> m2 = MatcherCast<int>(m1); | |
562 | EXPECT_TRUE(m2.Matches(0)); | |
563 | EXPECT_FALSE(m2.Matches(1)); | |
564 | } | |
565 | ||
566 | // Tests that MatcherCast<const T&>(m) works when m is a Matcher<T>. | |
567 | TEST(MatcherCastTest, FromNonReferenceToConstReference) { | |
568 | Matcher<int> m1 = Eq(0); | |
569 | Matcher<const int&> m2 = MatcherCast<const int&>(m1); | |
570 | EXPECT_TRUE(m2.Matches(0)); | |
571 | EXPECT_FALSE(m2.Matches(1)); | |
572 | } | |
573 | ||
574 | // Tests that MatcherCast<T&>(m) works when m is a Matcher<T>. | |
575 | TEST(MatcherCastTest, FromNonReferenceToReference) { | |
576 | Matcher<int> m1 = Eq(0); | |
577 | Matcher<int&> m2 = MatcherCast<int&>(m1); | |
578 | int n = 0; | |
579 | EXPECT_TRUE(m2.Matches(n)); | |
580 | n = 1; | |
581 | EXPECT_FALSE(m2.Matches(n)); | |
582 | } | |
583 | ||
584 | // Tests that MatcherCast<T>(m) works when m is a Matcher<T>. | |
585 | TEST(MatcherCastTest, FromSameType) { | |
586 | Matcher<int> m1 = Eq(0); | |
587 | Matcher<int> m2 = MatcherCast<int>(m1); | |
588 | EXPECT_TRUE(m2.Matches(0)); | |
589 | EXPECT_FALSE(m2.Matches(1)); | |
590 | } | |
591 | ||
1e59de90 TL |
592 | // Tests that MatcherCast<T>(m) works when m is a value of the same type as the |
593 | // value type of the Matcher. | |
594 | TEST(MatcherCastTest, FromAValue) { | |
595 | Matcher<int> m = MatcherCast<int>(42); | |
596 | EXPECT_TRUE(m.Matches(42)); | |
597 | EXPECT_FALSE(m.Matches(239)); | |
598 | } | |
599 | ||
600 | // Tests that MatcherCast<T>(m) works when m is a value of the type implicitly | |
601 | // convertible to the value type of the Matcher. | |
602 | TEST(MatcherCastTest, FromAnImplicitlyConvertibleValue) { | |
603 | const int kExpected = 'c'; | |
604 | Matcher<int> m = MatcherCast<int>('c'); | |
605 | EXPECT_TRUE(m.Matches(kExpected)); | |
606 | EXPECT_FALSE(m.Matches(kExpected + 1)); | |
607 | } | |
608 | ||
609 | struct NonImplicitlyConstructibleTypeWithOperatorEq { | |
610 | friend bool operator==( | |
611 | const NonImplicitlyConstructibleTypeWithOperatorEq& /* ignored */, | |
612 | int rhs) { | |
613 | return 42 == rhs; | |
614 | } | |
615 | friend bool operator==( | |
616 | int lhs, | |
617 | const NonImplicitlyConstructibleTypeWithOperatorEq& /* ignored */) { | |
618 | return lhs == 42; | |
619 | } | |
620 | }; | |
621 | ||
622 | // Tests that MatcherCast<T>(m) works when m is a neither a matcher nor | |
623 | // implicitly convertible to the value type of the Matcher, but the value type | |
624 | // of the matcher has operator==() overload accepting m. | |
625 | TEST(MatcherCastTest, NonImplicitlyConstructibleTypeWithOperatorEq) { | |
626 | Matcher<NonImplicitlyConstructibleTypeWithOperatorEq> m1 = | |
627 | MatcherCast<NonImplicitlyConstructibleTypeWithOperatorEq>(42); | |
628 | EXPECT_TRUE(m1.Matches(NonImplicitlyConstructibleTypeWithOperatorEq())); | |
629 | ||
630 | Matcher<NonImplicitlyConstructibleTypeWithOperatorEq> m2 = | |
631 | MatcherCast<NonImplicitlyConstructibleTypeWithOperatorEq>(239); | |
632 | EXPECT_FALSE(m2.Matches(NonImplicitlyConstructibleTypeWithOperatorEq())); | |
633 | ||
634 | // When updating the following lines please also change the comment to | |
635 | // namespace convertible_from_any. | |
636 | Matcher<int> m3 = | |
637 | MatcherCast<int>(NonImplicitlyConstructibleTypeWithOperatorEq()); | |
638 | EXPECT_TRUE(m3.Matches(42)); | |
639 | EXPECT_FALSE(m3.Matches(239)); | |
640 | } | |
641 | ||
642 | // ConvertibleFromAny does not work with MSVC. resulting in | |
643 | // error C2440: 'initializing': cannot convert from 'Eq' to 'M' | |
644 | // No constructor could take the source type, or constructor overload | |
645 | // resolution was ambiguous | |
646 | ||
647 | #if !defined _MSC_VER | |
648 | ||
649 | // The below ConvertibleFromAny struct is implicitly constructible from anything | |
650 | // and when in the same namespace can interact with other tests. In particular, | |
651 | // if it is in the same namespace as other tests and one removes | |
652 | // NonImplicitlyConstructibleTypeWithOperatorEq::operator==(int lhs, ...); | |
653 | // then the corresponding test still compiles (and it should not!) by implicitly | |
654 | // converting NonImplicitlyConstructibleTypeWithOperatorEq to ConvertibleFromAny | |
655 | // in m3.Matcher(). | |
656 | namespace convertible_from_any { | |
31f18b77 FG |
657 | // Implicitly convertible from any type. |
658 | struct ConvertibleFromAny { | |
659 | ConvertibleFromAny(int a_value) : value(a_value) {} | |
660 | template <typename T> | |
661 | ConvertibleFromAny(const T& /*a_value*/) : value(-1) { | |
662 | ADD_FAILURE() << "Conversion constructor called"; | |
663 | } | |
664 | int value; | |
665 | }; | |
666 | ||
667 | bool operator==(const ConvertibleFromAny& a, const ConvertibleFromAny& b) { | |
668 | return a.value == b.value; | |
669 | } | |
670 | ||
671 | ostream& operator<<(ostream& os, const ConvertibleFromAny& a) { | |
672 | return os << a.value; | |
673 | } | |
674 | ||
675 | TEST(MatcherCastTest, ConversionConstructorIsUsed) { | |
676 | Matcher<ConvertibleFromAny> m = MatcherCast<ConvertibleFromAny>(1); | |
677 | EXPECT_TRUE(m.Matches(ConvertibleFromAny(1))); | |
678 | EXPECT_FALSE(m.Matches(ConvertibleFromAny(2))); | |
679 | } | |
680 | ||
681 | TEST(MatcherCastTest, FromConvertibleFromAny) { | |
682 | Matcher<ConvertibleFromAny> m = | |
683 | MatcherCast<ConvertibleFromAny>(Eq(ConvertibleFromAny(1))); | |
684 | EXPECT_TRUE(m.Matches(ConvertibleFromAny(1))); | |
685 | EXPECT_FALSE(m.Matches(ConvertibleFromAny(2))); | |
686 | } | |
1e59de90 TL |
687 | } // namespace convertible_from_any |
688 | ||
689 | #endif // !defined _MSC_VER | |
31f18b77 FG |
690 | |
691 | struct IntReferenceWrapper { | |
692 | IntReferenceWrapper(const int& a_value) : value(&a_value) {} | |
693 | const int* value; | |
694 | }; | |
695 | ||
696 | bool operator==(const IntReferenceWrapper& a, const IntReferenceWrapper& b) { | |
697 | return a.value == b.value; | |
698 | } | |
699 | ||
700 | TEST(MatcherCastTest, ValueIsNotCopied) { | |
701 | int n = 42; | |
702 | Matcher<IntReferenceWrapper> m = MatcherCast<IntReferenceWrapper>(n); | |
703 | // Verify that the matcher holds a reference to n, not to its temporary copy. | |
704 | EXPECT_TRUE(m.Matches(n)); | |
705 | } | |
706 | ||
707 | class Base { | |
708 | public: | |
709 | virtual ~Base() {} | |
710 | Base() {} | |
711 | private: | |
712 | GTEST_DISALLOW_COPY_AND_ASSIGN_(Base); | |
713 | }; | |
714 | ||
715 | class Derived : public Base { | |
716 | public: | |
717 | Derived() : Base() {} | |
718 | int i; | |
719 | }; | |
720 | ||
721 | class OtherDerived : public Base {}; | |
722 | ||
723 | // Tests that SafeMatcherCast<T>(m) works when m is a polymorphic matcher. | |
724 | TEST(SafeMatcherCastTest, FromPolymorphicMatcher) { | |
725 | Matcher<char> m2 = SafeMatcherCast<char>(Eq(32)); | |
726 | EXPECT_TRUE(m2.Matches(' ')); | |
727 | EXPECT_FALSE(m2.Matches('\n')); | |
728 | } | |
729 | ||
730 | // Tests that SafeMatcherCast<T>(m) works when m is a Matcher<U> where | |
731 | // T and U are arithmetic types and T can be losslessly converted to | |
732 | // U. | |
733 | TEST(SafeMatcherCastTest, FromLosslesslyConvertibleArithmeticType) { | |
734 | Matcher<double> m1 = DoubleEq(1.0); | |
735 | Matcher<float> m2 = SafeMatcherCast<float>(m1); | |
736 | EXPECT_TRUE(m2.Matches(1.0f)); | |
737 | EXPECT_FALSE(m2.Matches(2.0f)); | |
738 | ||
739 | Matcher<char> m3 = SafeMatcherCast<char>(TypedEq<int>('a')); | |
740 | EXPECT_TRUE(m3.Matches('a')); | |
741 | EXPECT_FALSE(m3.Matches('b')); | |
742 | } | |
743 | ||
744 | // Tests that SafeMatcherCast<T>(m) works when m is a Matcher<U> where T and U | |
745 | // are pointers or references to a derived and a base class, correspondingly. | |
746 | TEST(SafeMatcherCastTest, FromBaseClass) { | |
747 | Derived d, d2; | |
748 | Matcher<Base*> m1 = Eq(&d); | |
749 | Matcher<Derived*> m2 = SafeMatcherCast<Derived*>(m1); | |
750 | EXPECT_TRUE(m2.Matches(&d)); | |
751 | EXPECT_FALSE(m2.Matches(&d2)); | |
752 | ||
753 | Matcher<Base&> m3 = Ref(d); | |
754 | Matcher<Derived&> m4 = SafeMatcherCast<Derived&>(m3); | |
755 | EXPECT_TRUE(m4.Matches(d)); | |
756 | EXPECT_FALSE(m4.Matches(d2)); | |
757 | } | |
758 | ||
759 | // Tests that SafeMatcherCast<T&>(m) works when m is a Matcher<const T&>. | |
760 | TEST(SafeMatcherCastTest, FromConstReferenceToReference) { | |
761 | int n = 0; | |
762 | Matcher<const int&> m1 = Ref(n); | |
763 | Matcher<int&> m2 = SafeMatcherCast<int&>(m1); | |
764 | int n1 = 0; | |
765 | EXPECT_TRUE(m2.Matches(n)); | |
766 | EXPECT_FALSE(m2.Matches(n1)); | |
767 | } | |
768 | ||
769 | // Tests that MatcherCast<const T&>(m) works when m is a Matcher<T>. | |
770 | TEST(SafeMatcherCastTest, FromNonReferenceToConstReference) { | |
1e59de90 TL |
771 | Matcher<std::unique_ptr<int>> m1 = IsNull(); |
772 | Matcher<const std::unique_ptr<int>&> m2 = | |
773 | SafeMatcherCast<const std::unique_ptr<int>&>(m1); | |
774 | EXPECT_TRUE(m2.Matches(std::unique_ptr<int>())); | |
775 | EXPECT_FALSE(m2.Matches(std::unique_ptr<int>(new int))); | |
31f18b77 FG |
776 | } |
777 | ||
778 | // Tests that SafeMatcherCast<T&>(m) works when m is a Matcher<T>. | |
779 | TEST(SafeMatcherCastTest, FromNonReferenceToReference) { | |
780 | Matcher<int> m1 = Eq(0); | |
781 | Matcher<int&> m2 = SafeMatcherCast<int&>(m1); | |
782 | int n = 0; | |
783 | EXPECT_TRUE(m2.Matches(n)); | |
784 | n = 1; | |
785 | EXPECT_FALSE(m2.Matches(n)); | |
786 | } | |
787 | ||
788 | // Tests that SafeMatcherCast<T>(m) works when m is a Matcher<T>. | |
789 | TEST(SafeMatcherCastTest, FromSameType) { | |
790 | Matcher<int> m1 = Eq(0); | |
791 | Matcher<int> m2 = SafeMatcherCast<int>(m1); | |
792 | EXPECT_TRUE(m2.Matches(0)); | |
793 | EXPECT_FALSE(m2.Matches(1)); | |
794 | } | |
795 | ||
1e59de90 TL |
796 | #if !defined _MSC_VER |
797 | ||
798 | namespace convertible_from_any { | |
31f18b77 FG |
799 | TEST(SafeMatcherCastTest, ConversionConstructorIsUsed) { |
800 | Matcher<ConvertibleFromAny> m = SafeMatcherCast<ConvertibleFromAny>(1); | |
801 | EXPECT_TRUE(m.Matches(ConvertibleFromAny(1))); | |
802 | EXPECT_FALSE(m.Matches(ConvertibleFromAny(2))); | |
803 | } | |
804 | ||
805 | TEST(SafeMatcherCastTest, FromConvertibleFromAny) { | |
806 | Matcher<ConvertibleFromAny> m = | |
807 | SafeMatcherCast<ConvertibleFromAny>(Eq(ConvertibleFromAny(1))); | |
808 | EXPECT_TRUE(m.Matches(ConvertibleFromAny(1))); | |
809 | EXPECT_FALSE(m.Matches(ConvertibleFromAny(2))); | |
810 | } | |
1e59de90 TL |
811 | } // namespace convertible_from_any |
812 | ||
813 | #endif // !defined _MSC_VER | |
31f18b77 FG |
814 | |
815 | TEST(SafeMatcherCastTest, ValueIsNotCopied) { | |
816 | int n = 42; | |
817 | Matcher<IntReferenceWrapper> m = SafeMatcherCast<IntReferenceWrapper>(n); | |
818 | // Verify that the matcher holds a reference to n, not to its temporary copy. | |
819 | EXPECT_TRUE(m.Matches(n)); | |
820 | } | |
821 | ||
822 | TEST(ExpectThat, TakesLiterals) { | |
823 | EXPECT_THAT(1, 1); | |
824 | EXPECT_THAT(1.0, 1.0); | |
1e59de90 | 825 | EXPECT_THAT(std::string(), ""); |
31f18b77 FG |
826 | } |
827 | ||
828 | TEST(ExpectThat, TakesFunctions) { | |
829 | struct Helper { | |
830 | static void Func() {} | |
831 | }; | |
832 | void (*func)() = Helper::Func; | |
833 | EXPECT_THAT(func, Helper::Func); | |
834 | EXPECT_THAT(func, &Helper::Func); | |
835 | } | |
836 | ||
837 | // Tests that A<T>() matches any value of type T. | |
838 | TEST(ATest, MatchesAnyValue) { | |
839 | // Tests a matcher for a value type. | |
840 | Matcher<double> m1 = A<double>(); | |
841 | EXPECT_TRUE(m1.Matches(91.43)); | |
842 | EXPECT_TRUE(m1.Matches(-15.32)); | |
843 | ||
844 | // Tests a matcher for a reference type. | |
845 | int a = 2; | |
846 | int b = -6; | |
847 | Matcher<int&> m2 = A<int&>(); | |
848 | EXPECT_TRUE(m2.Matches(a)); | |
849 | EXPECT_TRUE(m2.Matches(b)); | |
850 | } | |
851 | ||
852 | TEST(ATest, WorksForDerivedClass) { | |
853 | Base base; | |
854 | Derived derived; | |
855 | EXPECT_THAT(&base, A<Base*>()); | |
856 | // This shouldn't compile: EXPECT_THAT(&base, A<Derived*>()); | |
857 | EXPECT_THAT(&derived, A<Base*>()); | |
858 | EXPECT_THAT(&derived, A<Derived*>()); | |
859 | } | |
860 | ||
861 | // Tests that A<T>() describes itself properly. | |
862 | TEST(ATest, CanDescribeSelf) { | |
863 | EXPECT_EQ("is anything", Describe(A<bool>())); | |
864 | } | |
865 | ||
866 | // Tests that An<T>() matches any value of type T. | |
867 | TEST(AnTest, MatchesAnyValue) { | |
868 | // Tests a matcher for a value type. | |
869 | Matcher<int> m1 = An<int>(); | |
870 | EXPECT_TRUE(m1.Matches(9143)); | |
871 | EXPECT_TRUE(m1.Matches(-1532)); | |
872 | ||
873 | // Tests a matcher for a reference type. | |
874 | int a = 2; | |
875 | int b = -6; | |
876 | Matcher<int&> m2 = An<int&>(); | |
877 | EXPECT_TRUE(m2.Matches(a)); | |
878 | EXPECT_TRUE(m2.Matches(b)); | |
879 | } | |
880 | ||
881 | // Tests that An<T>() describes itself properly. | |
882 | TEST(AnTest, CanDescribeSelf) { | |
883 | EXPECT_EQ("is anything", Describe(An<int>())); | |
884 | } | |
885 | ||
886 | // Tests that _ can be used as a matcher for any type and matches any | |
887 | // value of that type. | |
888 | TEST(UnderscoreTest, MatchesAnyValue) { | |
889 | // Uses _ as a matcher for a value type. | |
890 | Matcher<int> m1 = _; | |
891 | EXPECT_TRUE(m1.Matches(123)); | |
892 | EXPECT_TRUE(m1.Matches(-242)); | |
893 | ||
894 | // Uses _ as a matcher for a reference type. | |
895 | bool a = false; | |
896 | const bool b = true; | |
897 | Matcher<const bool&> m2 = _; | |
898 | EXPECT_TRUE(m2.Matches(a)); | |
899 | EXPECT_TRUE(m2.Matches(b)); | |
900 | } | |
901 | ||
902 | // Tests that _ describes itself properly. | |
903 | TEST(UnderscoreTest, CanDescribeSelf) { | |
904 | Matcher<int> m = _; | |
905 | EXPECT_EQ("is anything", Describe(m)); | |
906 | } | |
907 | ||
908 | // Tests that Eq(x) matches any value equal to x. | |
909 | TEST(EqTest, MatchesEqualValue) { | |
910 | // 2 C-strings with same content but different addresses. | |
911 | const char a1[] = "hi"; | |
912 | const char a2[] = "hi"; | |
913 | ||
914 | Matcher<const char*> m1 = Eq(a1); | |
915 | EXPECT_TRUE(m1.Matches(a1)); | |
916 | EXPECT_FALSE(m1.Matches(a2)); | |
917 | } | |
918 | ||
919 | // Tests that Eq(v) describes itself properly. | |
920 | ||
921 | class Unprintable { | |
922 | public: | |
923 | Unprintable() : c_('a') {} | |
924 | ||
1e59de90 TL |
925 | bool operator==(const Unprintable& /* rhs */) const { return true; } |
926 | // -Wunused-private-field: dummy accessor for `c_`. | |
927 | char dummy_c() { return c_; } | |
31f18b77 FG |
928 | private: |
929 | char c_; | |
930 | }; | |
931 | ||
932 | TEST(EqTest, CanDescribeSelf) { | |
933 | Matcher<Unprintable> m = Eq(Unprintable()); | |
934 | EXPECT_EQ("is equal to 1-byte object <61>", Describe(m)); | |
935 | } | |
936 | ||
937 | // Tests that Eq(v) can be used to match any type that supports | |
938 | // comparing with type T, where T is v's type. | |
939 | TEST(EqTest, IsPolymorphic) { | |
940 | Matcher<int> m1 = Eq(1); | |
941 | EXPECT_TRUE(m1.Matches(1)); | |
942 | EXPECT_FALSE(m1.Matches(2)); | |
943 | ||
944 | Matcher<char> m2 = Eq(1); | |
945 | EXPECT_TRUE(m2.Matches('\1')); | |
946 | EXPECT_FALSE(m2.Matches('a')); | |
947 | } | |
948 | ||
949 | // Tests that TypedEq<T>(v) matches values of type T that's equal to v. | |
950 | TEST(TypedEqTest, ChecksEqualityForGivenType) { | |
951 | Matcher<char> m1 = TypedEq<char>('a'); | |
952 | EXPECT_TRUE(m1.Matches('a')); | |
953 | EXPECT_FALSE(m1.Matches('b')); | |
954 | ||
955 | Matcher<int> m2 = TypedEq<int>(6); | |
956 | EXPECT_TRUE(m2.Matches(6)); | |
957 | EXPECT_FALSE(m2.Matches(7)); | |
958 | } | |
959 | ||
960 | // Tests that TypedEq(v) describes itself properly. | |
961 | TEST(TypedEqTest, CanDescribeSelf) { | |
962 | EXPECT_EQ("is equal to 2", Describe(TypedEq<int>(2))); | |
963 | } | |
964 | ||
965 | // Tests that TypedEq<T>(v) has type Matcher<T>. | |
966 | ||
1e59de90 TL |
967 | // Type<T>::IsTypeOf(v) compiles if and only if the type of value v is T, where |
968 | // T is a "bare" type (i.e. not in the form of const U or U&). If v's type is | |
969 | // not T, the compiler will generate a message about "undefined reference". | |
31f18b77 FG |
970 | template <typename T> |
971 | struct Type { | |
972 | static bool IsTypeOf(const T& /* v */) { return true; } | |
973 | ||
974 | template <typename T2> | |
975 | static void IsTypeOf(T2 v); | |
976 | }; | |
977 | ||
978 | TEST(TypedEqTest, HasSpecifiedType) { | |
979 | // Verfies that the type of TypedEq<T>(v) is Matcher<T>. | |
980 | Type<Matcher<int> >::IsTypeOf(TypedEq<int>(5)); | |
981 | Type<Matcher<double> >::IsTypeOf(TypedEq<double>(5)); | |
982 | } | |
983 | ||
984 | // Tests that Ge(v) matches anything >= v. | |
985 | TEST(GeTest, ImplementsGreaterThanOrEqual) { | |
986 | Matcher<int> m1 = Ge(0); | |
987 | EXPECT_TRUE(m1.Matches(1)); | |
988 | EXPECT_TRUE(m1.Matches(0)); | |
989 | EXPECT_FALSE(m1.Matches(-1)); | |
990 | } | |
991 | ||
992 | // Tests that Ge(v) describes itself properly. | |
993 | TEST(GeTest, CanDescribeSelf) { | |
994 | Matcher<int> m = Ge(5); | |
995 | EXPECT_EQ("is >= 5", Describe(m)); | |
996 | } | |
997 | ||
998 | // Tests that Gt(v) matches anything > v. | |
999 | TEST(GtTest, ImplementsGreaterThan) { | |
1000 | Matcher<double> m1 = Gt(0); | |
1001 | EXPECT_TRUE(m1.Matches(1.0)); | |
1002 | EXPECT_FALSE(m1.Matches(0.0)); | |
1003 | EXPECT_FALSE(m1.Matches(-1.0)); | |
1004 | } | |
1005 | ||
1006 | // Tests that Gt(v) describes itself properly. | |
1007 | TEST(GtTest, CanDescribeSelf) { | |
1008 | Matcher<int> m = Gt(5); | |
1009 | EXPECT_EQ("is > 5", Describe(m)); | |
1010 | } | |
1011 | ||
1012 | // Tests that Le(v) matches anything <= v. | |
1013 | TEST(LeTest, ImplementsLessThanOrEqual) { | |
1014 | Matcher<char> m1 = Le('b'); | |
1015 | EXPECT_TRUE(m1.Matches('a')); | |
1016 | EXPECT_TRUE(m1.Matches('b')); | |
1017 | EXPECT_FALSE(m1.Matches('c')); | |
1018 | } | |
1019 | ||
1020 | // Tests that Le(v) describes itself properly. | |
1021 | TEST(LeTest, CanDescribeSelf) { | |
1022 | Matcher<int> m = Le(5); | |
1023 | EXPECT_EQ("is <= 5", Describe(m)); | |
1024 | } | |
1025 | ||
1026 | // Tests that Lt(v) matches anything < v. | |
1027 | TEST(LtTest, ImplementsLessThan) { | |
1e59de90 | 1028 | Matcher<const std::string&> m1 = Lt("Hello"); |
31f18b77 FG |
1029 | EXPECT_TRUE(m1.Matches("Abc")); |
1030 | EXPECT_FALSE(m1.Matches("Hello")); | |
1031 | EXPECT_FALSE(m1.Matches("Hello, world!")); | |
1032 | } | |
1033 | ||
1034 | // Tests that Lt(v) describes itself properly. | |
1035 | TEST(LtTest, CanDescribeSelf) { | |
1036 | Matcher<int> m = Lt(5); | |
1037 | EXPECT_EQ("is < 5", Describe(m)); | |
1038 | } | |
1039 | ||
1040 | // Tests that Ne(v) matches anything != v. | |
1041 | TEST(NeTest, ImplementsNotEqual) { | |
1042 | Matcher<int> m1 = Ne(0); | |
1043 | EXPECT_TRUE(m1.Matches(1)); | |
1044 | EXPECT_TRUE(m1.Matches(-1)); | |
1045 | EXPECT_FALSE(m1.Matches(0)); | |
1046 | } | |
1047 | ||
1048 | // Tests that Ne(v) describes itself properly. | |
1049 | TEST(NeTest, CanDescribeSelf) { | |
1050 | Matcher<int> m = Ne(5); | |
1051 | EXPECT_EQ("isn't equal to 5", Describe(m)); | |
1052 | } | |
1053 | ||
1e59de90 TL |
1054 | class MoveOnly { |
1055 | public: | |
1056 | explicit MoveOnly(int i) : i_(i) {} | |
1057 | MoveOnly(const MoveOnly&) = delete; | |
1058 | MoveOnly(MoveOnly&&) = default; | |
1059 | MoveOnly& operator=(const MoveOnly&) = delete; | |
1060 | MoveOnly& operator=(MoveOnly&&) = default; | |
1061 | ||
1062 | bool operator==(const MoveOnly& other) const { return i_ == other.i_; } | |
1063 | bool operator!=(const MoveOnly& other) const { return i_ != other.i_; } | |
1064 | bool operator<(const MoveOnly& other) const { return i_ < other.i_; } | |
1065 | bool operator<=(const MoveOnly& other) const { return i_ <= other.i_; } | |
1066 | bool operator>(const MoveOnly& other) const { return i_ > other.i_; } | |
1067 | bool operator>=(const MoveOnly& other) const { return i_ >= other.i_; } | |
1068 | ||
1069 | private: | |
1070 | int i_; | |
1071 | }; | |
1072 | ||
1073 | struct MoveHelper { | |
1074 | MOCK_METHOD1(Call, void(MoveOnly)); | |
1075 | }; | |
1076 | ||
1077 | TEST(ComparisonBaseTest, WorksWithMoveOnly) { | |
1078 | MoveOnly m{0}; | |
1079 | MoveHelper helper; | |
1080 | ||
1081 | EXPECT_CALL(helper, Call(Eq(ByRef(m)))); | |
1082 | helper.Call(MoveOnly(0)); | |
1083 | EXPECT_CALL(helper, Call(Ne(ByRef(m)))); | |
1084 | helper.Call(MoveOnly(1)); | |
1085 | EXPECT_CALL(helper, Call(Le(ByRef(m)))); | |
1086 | helper.Call(MoveOnly(0)); | |
1087 | EXPECT_CALL(helper, Call(Lt(ByRef(m)))); | |
1088 | helper.Call(MoveOnly(-1)); | |
1089 | EXPECT_CALL(helper, Call(Ge(ByRef(m)))); | |
1090 | helper.Call(MoveOnly(0)); | |
1091 | EXPECT_CALL(helper, Call(Gt(ByRef(m)))); | |
1092 | helper.Call(MoveOnly(1)); | |
1093 | } | |
1094 | ||
31f18b77 FG |
1095 | // Tests that IsNull() matches any NULL pointer of any type. |
1096 | TEST(IsNullTest, MatchesNullPointer) { | |
1097 | Matcher<int*> m1 = IsNull(); | |
1e59de90 | 1098 | int* p1 = nullptr; |
31f18b77 FG |
1099 | int n = 0; |
1100 | EXPECT_TRUE(m1.Matches(p1)); | |
1101 | EXPECT_FALSE(m1.Matches(&n)); | |
1102 | ||
1103 | Matcher<const char*> m2 = IsNull(); | |
1e59de90 | 1104 | const char* p2 = nullptr; |
31f18b77 FG |
1105 | EXPECT_TRUE(m2.Matches(p2)); |
1106 | EXPECT_FALSE(m2.Matches("hi")); | |
1107 | ||
31f18b77 | 1108 | Matcher<void*> m3 = IsNull(); |
1e59de90 | 1109 | void* p3 = nullptr; |
31f18b77 FG |
1110 | EXPECT_TRUE(m3.Matches(p3)); |
1111 | EXPECT_FALSE(m3.Matches(reinterpret_cast<void*>(0xbeef))); | |
31f18b77 FG |
1112 | } |
1113 | ||
31f18b77 FG |
1114 | TEST(IsNullTest, StdFunction) { |
1115 | const Matcher<std::function<void()>> m = IsNull(); | |
1116 | ||
1117 | EXPECT_TRUE(m.Matches(std::function<void()>())); | |
1118 | EXPECT_FALSE(m.Matches([]{})); | |
1119 | } | |
31f18b77 FG |
1120 | |
1121 | // Tests that IsNull() describes itself properly. | |
1122 | TEST(IsNullTest, CanDescribeSelf) { | |
1123 | Matcher<int*> m = IsNull(); | |
1124 | EXPECT_EQ("is NULL", Describe(m)); | |
1125 | EXPECT_EQ("isn't NULL", DescribeNegation(m)); | |
1126 | } | |
1127 | ||
1128 | // Tests that NotNull() matches any non-NULL pointer of any type. | |
1129 | TEST(NotNullTest, MatchesNonNullPointer) { | |
1130 | Matcher<int*> m1 = NotNull(); | |
1e59de90 | 1131 | int* p1 = nullptr; |
31f18b77 FG |
1132 | int n = 0; |
1133 | EXPECT_FALSE(m1.Matches(p1)); | |
1134 | EXPECT_TRUE(m1.Matches(&n)); | |
1135 | ||
1136 | Matcher<const char*> m2 = NotNull(); | |
1e59de90 | 1137 | const char* p2 = nullptr; |
31f18b77 FG |
1138 | EXPECT_FALSE(m2.Matches(p2)); |
1139 | EXPECT_TRUE(m2.Matches("hi")); | |
1140 | } | |
1141 | ||
1142 | TEST(NotNullTest, LinkedPtr) { | |
1e59de90 TL |
1143 | const Matcher<std::shared_ptr<int>> m = NotNull(); |
1144 | const std::shared_ptr<int> null_p; | |
1145 | const std::shared_ptr<int> non_null_p(new int); | |
31f18b77 FG |
1146 | |
1147 | EXPECT_FALSE(m.Matches(null_p)); | |
1148 | EXPECT_TRUE(m.Matches(non_null_p)); | |
1149 | } | |
1150 | ||
1151 | TEST(NotNullTest, ReferenceToConstLinkedPtr) { | |
1e59de90 TL |
1152 | const Matcher<const std::shared_ptr<double>&> m = NotNull(); |
1153 | const std::shared_ptr<double> null_p; | |
1154 | const std::shared_ptr<double> non_null_p(new double); | |
31f18b77 FG |
1155 | |
1156 | EXPECT_FALSE(m.Matches(null_p)); | |
1157 | EXPECT_TRUE(m.Matches(non_null_p)); | |
1158 | } | |
1159 | ||
31f18b77 FG |
1160 | TEST(NotNullTest, StdFunction) { |
1161 | const Matcher<std::function<void()>> m = NotNull(); | |
1162 | ||
1163 | EXPECT_TRUE(m.Matches([]{})); | |
1164 | EXPECT_FALSE(m.Matches(std::function<void()>())); | |
1165 | } | |
31f18b77 FG |
1166 | |
1167 | // Tests that NotNull() describes itself properly. | |
1168 | TEST(NotNullTest, CanDescribeSelf) { | |
1169 | Matcher<int*> m = NotNull(); | |
1170 | EXPECT_EQ("isn't NULL", Describe(m)); | |
1171 | } | |
1172 | ||
1173 | // Tests that Ref(variable) matches an argument that references | |
1174 | // 'variable'. | |
1175 | TEST(RefTest, MatchesSameVariable) { | |
1176 | int a = 0; | |
1177 | int b = 0; | |
1178 | Matcher<int&> m = Ref(a); | |
1179 | EXPECT_TRUE(m.Matches(a)); | |
1180 | EXPECT_FALSE(m.Matches(b)); | |
1181 | } | |
1182 | ||
1183 | // Tests that Ref(variable) describes itself properly. | |
1184 | TEST(RefTest, CanDescribeSelf) { | |
1185 | int n = 5; | |
1186 | Matcher<int&> m = Ref(n); | |
1187 | stringstream ss; | |
1188 | ss << "references the variable @" << &n << " 5"; | |
1e59de90 | 1189 | EXPECT_EQ(ss.str(), Describe(m)); |
31f18b77 FG |
1190 | } |
1191 | ||
1192 | // Test that Ref(non_const_varialbe) can be used as a matcher for a | |
1193 | // const reference. | |
1194 | TEST(RefTest, CanBeUsedAsMatcherForConstReference) { | |
1195 | int a = 0; | |
1196 | int b = 0; | |
1197 | Matcher<const int&> m = Ref(a); | |
1198 | EXPECT_TRUE(m.Matches(a)); | |
1199 | EXPECT_FALSE(m.Matches(b)); | |
1200 | } | |
1201 | ||
1202 | // Tests that Ref(variable) is covariant, i.e. Ref(derived) can be | |
1203 | // used wherever Ref(base) can be used (Ref(derived) is a sub-type | |
1204 | // of Ref(base), but not vice versa. | |
1205 | ||
1206 | TEST(RefTest, IsCovariant) { | |
1207 | Base base, base2; | |
1208 | Derived derived; | |
1209 | Matcher<const Base&> m1 = Ref(base); | |
1210 | EXPECT_TRUE(m1.Matches(base)); | |
1211 | EXPECT_FALSE(m1.Matches(base2)); | |
1212 | EXPECT_FALSE(m1.Matches(derived)); | |
1213 | ||
1214 | m1 = Ref(derived); | |
1215 | EXPECT_TRUE(m1.Matches(derived)); | |
1216 | EXPECT_FALSE(m1.Matches(base)); | |
1217 | EXPECT_FALSE(m1.Matches(base2)); | |
1218 | } | |
1219 | ||
1220 | TEST(RefTest, ExplainsResult) { | |
1221 | int n = 0; | |
1222 | EXPECT_THAT(Explain(Matcher<const int&>(Ref(n)), n), | |
1223 | StartsWith("which is located @")); | |
1224 | ||
1225 | int m = 0; | |
1226 | EXPECT_THAT(Explain(Matcher<const int&>(Ref(n)), m), | |
1227 | StartsWith("which is located @")); | |
1228 | } | |
1229 | ||
1230 | // Tests string comparison matchers. | |
1231 | ||
1e59de90 TL |
1232 | template <typename T = std::string> |
1233 | std::string FromStringLike(internal::StringLike<T> str) { | |
1234 | return std::string(str); | |
1235 | } | |
1236 | ||
1237 | TEST(StringLike, TestConversions) { | |
1238 | EXPECT_EQ("foo", FromStringLike("foo")); | |
1239 | EXPECT_EQ("foo", FromStringLike(std::string("foo"))); | |
1240 | #if GTEST_INTERNAL_HAS_STRING_VIEW | |
1241 | EXPECT_EQ("foo", FromStringLike(internal::StringView("foo"))); | |
1242 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW | |
1243 | ||
1244 | // Non deducible types. | |
1245 | EXPECT_EQ("", FromStringLike({})); | |
1246 | EXPECT_EQ("foo", FromStringLike({'f', 'o', 'o'})); | |
1247 | const char buf[] = "foo"; | |
1248 | EXPECT_EQ("foo", FromStringLike({buf, buf + 3})); | |
1249 | } | |
1250 | ||
31f18b77 | 1251 | TEST(StrEqTest, MatchesEqualString) { |
1e59de90 | 1252 | Matcher<const char*> m = StrEq(std::string("Hello")); |
31f18b77 FG |
1253 | EXPECT_TRUE(m.Matches("Hello")); |
1254 | EXPECT_FALSE(m.Matches("hello")); | |
1e59de90 | 1255 | EXPECT_FALSE(m.Matches(nullptr)); |
31f18b77 | 1256 | |
1e59de90 | 1257 | Matcher<const std::string&> m2 = StrEq("Hello"); |
31f18b77 FG |
1258 | EXPECT_TRUE(m2.Matches("Hello")); |
1259 | EXPECT_FALSE(m2.Matches("Hi")); | |
1e59de90 TL |
1260 | |
1261 | #if GTEST_INTERNAL_HAS_STRING_VIEW | |
1262 | Matcher<const internal::StringView&> m3 = | |
1263 | StrEq(internal::StringView("Hello")); | |
1264 | EXPECT_TRUE(m3.Matches(internal::StringView("Hello"))); | |
1265 | EXPECT_FALSE(m3.Matches(internal::StringView("hello"))); | |
1266 | EXPECT_FALSE(m3.Matches(internal::StringView())); | |
1267 | ||
1268 | Matcher<const internal::StringView&> m_empty = StrEq(""); | |
1269 | EXPECT_TRUE(m_empty.Matches(internal::StringView(""))); | |
1270 | EXPECT_TRUE(m_empty.Matches(internal::StringView())); | |
1271 | EXPECT_FALSE(m_empty.Matches(internal::StringView("hello"))); | |
1272 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW | |
31f18b77 FG |
1273 | } |
1274 | ||
1275 | TEST(StrEqTest, CanDescribeSelf) { | |
1e59de90 | 1276 | Matcher<std::string> m = StrEq("Hi-\'\"?\\\a\b\f\n\r\t\v\xD3"); |
31f18b77 FG |
1277 | EXPECT_EQ("is equal to \"Hi-\'\\\"?\\\\\\a\\b\\f\\n\\r\\t\\v\\xD3\"", |
1278 | Describe(m)); | |
1279 | ||
1e59de90 | 1280 | std::string str("01204500800"); |
31f18b77 | 1281 | str[3] = '\0'; |
1e59de90 | 1282 | Matcher<std::string> m2 = StrEq(str); |
31f18b77 FG |
1283 | EXPECT_EQ("is equal to \"012\\04500800\"", Describe(m2)); |
1284 | str[0] = str[6] = str[7] = str[9] = str[10] = '\0'; | |
1e59de90 | 1285 | Matcher<std::string> m3 = StrEq(str); |
31f18b77 FG |
1286 | EXPECT_EQ("is equal to \"\\012\\045\\0\\08\\0\\0\"", Describe(m3)); |
1287 | } | |
1288 | ||
1289 | TEST(StrNeTest, MatchesUnequalString) { | |
1290 | Matcher<const char*> m = StrNe("Hello"); | |
1291 | EXPECT_TRUE(m.Matches("")); | |
1e59de90 | 1292 | EXPECT_TRUE(m.Matches(nullptr)); |
31f18b77 FG |
1293 | EXPECT_FALSE(m.Matches("Hello")); |
1294 | ||
1e59de90 | 1295 | Matcher<std::string> m2 = StrNe(std::string("Hello")); |
31f18b77 FG |
1296 | EXPECT_TRUE(m2.Matches("hello")); |
1297 | EXPECT_FALSE(m2.Matches("Hello")); | |
1e59de90 TL |
1298 | |
1299 | #if GTEST_INTERNAL_HAS_STRING_VIEW | |
1300 | Matcher<const internal::StringView> m3 = StrNe(internal::StringView("Hello")); | |
1301 | EXPECT_TRUE(m3.Matches(internal::StringView(""))); | |
1302 | EXPECT_TRUE(m3.Matches(internal::StringView())); | |
1303 | EXPECT_FALSE(m3.Matches(internal::StringView("Hello"))); | |
1304 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW | |
31f18b77 FG |
1305 | } |
1306 | ||
1307 | TEST(StrNeTest, CanDescribeSelf) { | |
1308 | Matcher<const char*> m = StrNe("Hi"); | |
1309 | EXPECT_EQ("isn't equal to \"Hi\"", Describe(m)); | |
1310 | } | |
1311 | ||
1312 | TEST(StrCaseEqTest, MatchesEqualStringIgnoringCase) { | |
1e59de90 | 1313 | Matcher<const char*> m = StrCaseEq(std::string("Hello")); |
31f18b77 FG |
1314 | EXPECT_TRUE(m.Matches("Hello")); |
1315 | EXPECT_TRUE(m.Matches("hello")); | |
1316 | EXPECT_FALSE(m.Matches("Hi")); | |
1e59de90 | 1317 | EXPECT_FALSE(m.Matches(nullptr)); |
31f18b77 | 1318 | |
1e59de90 | 1319 | Matcher<const std::string&> m2 = StrCaseEq("Hello"); |
31f18b77 FG |
1320 | EXPECT_TRUE(m2.Matches("hello")); |
1321 | EXPECT_FALSE(m2.Matches("Hi")); | |
1e59de90 TL |
1322 | |
1323 | #if GTEST_INTERNAL_HAS_STRING_VIEW | |
1324 | Matcher<const internal::StringView&> m3 = | |
1325 | StrCaseEq(internal::StringView("Hello")); | |
1326 | EXPECT_TRUE(m3.Matches(internal::StringView("Hello"))); | |
1327 | EXPECT_TRUE(m3.Matches(internal::StringView("hello"))); | |
1328 | EXPECT_FALSE(m3.Matches(internal::StringView("Hi"))); | |
1329 | EXPECT_FALSE(m3.Matches(internal::StringView())); | |
1330 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW | |
31f18b77 FG |
1331 | } |
1332 | ||
1333 | TEST(StrCaseEqTest, MatchesEqualStringWith0IgnoringCase) { | |
1e59de90 TL |
1334 | std::string str1("oabocdooeoo"); |
1335 | std::string str2("OABOCDOOEOO"); | |
1336 | Matcher<const std::string&> m0 = StrCaseEq(str1); | |
1337 | EXPECT_FALSE(m0.Matches(str2 + std::string(1, '\0'))); | |
31f18b77 FG |
1338 | |
1339 | str1[3] = str2[3] = '\0'; | |
1e59de90 | 1340 | Matcher<const std::string&> m1 = StrCaseEq(str1); |
31f18b77 FG |
1341 | EXPECT_TRUE(m1.Matches(str2)); |
1342 | ||
1343 | str1[0] = str1[6] = str1[7] = str1[10] = '\0'; | |
1344 | str2[0] = str2[6] = str2[7] = str2[10] = '\0'; | |
1e59de90 | 1345 | Matcher<const std::string&> m2 = StrCaseEq(str1); |
31f18b77 FG |
1346 | str1[9] = str2[9] = '\0'; |
1347 | EXPECT_FALSE(m2.Matches(str2)); | |
1348 | ||
1e59de90 | 1349 | Matcher<const std::string&> m3 = StrCaseEq(str1); |
31f18b77 FG |
1350 | EXPECT_TRUE(m3.Matches(str2)); |
1351 | ||
1352 | EXPECT_FALSE(m3.Matches(str2 + "x")); | |
1353 | str2.append(1, '\0'); | |
1354 | EXPECT_FALSE(m3.Matches(str2)); | |
1e59de90 | 1355 | EXPECT_FALSE(m3.Matches(std::string(str2, 0, 9))); |
31f18b77 FG |
1356 | } |
1357 | ||
1358 | TEST(StrCaseEqTest, CanDescribeSelf) { | |
1e59de90 | 1359 | Matcher<std::string> m = StrCaseEq("Hi"); |
31f18b77 FG |
1360 | EXPECT_EQ("is equal to (ignoring case) \"Hi\"", Describe(m)); |
1361 | } | |
1362 | ||
1363 | TEST(StrCaseNeTest, MatchesUnequalStringIgnoringCase) { | |
1364 | Matcher<const char*> m = StrCaseNe("Hello"); | |
1365 | EXPECT_TRUE(m.Matches("Hi")); | |
1e59de90 | 1366 | EXPECT_TRUE(m.Matches(nullptr)); |
31f18b77 FG |
1367 | EXPECT_FALSE(m.Matches("Hello")); |
1368 | EXPECT_FALSE(m.Matches("hello")); | |
1369 | ||
1e59de90 | 1370 | Matcher<std::string> m2 = StrCaseNe(std::string("Hello")); |
31f18b77 FG |
1371 | EXPECT_TRUE(m2.Matches("")); |
1372 | EXPECT_FALSE(m2.Matches("Hello")); | |
1e59de90 TL |
1373 | |
1374 | #if GTEST_INTERNAL_HAS_STRING_VIEW | |
1375 | Matcher<const internal::StringView> m3 = | |
1376 | StrCaseNe(internal::StringView("Hello")); | |
1377 | EXPECT_TRUE(m3.Matches(internal::StringView("Hi"))); | |
1378 | EXPECT_TRUE(m3.Matches(internal::StringView())); | |
1379 | EXPECT_FALSE(m3.Matches(internal::StringView("Hello"))); | |
1380 | EXPECT_FALSE(m3.Matches(internal::StringView("hello"))); | |
1381 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW | |
31f18b77 FG |
1382 | } |
1383 | ||
1384 | TEST(StrCaseNeTest, CanDescribeSelf) { | |
1385 | Matcher<const char*> m = StrCaseNe("Hi"); | |
1386 | EXPECT_EQ("isn't equal to (ignoring case) \"Hi\"", Describe(m)); | |
1387 | } | |
1388 | ||
1389 | // Tests that HasSubstr() works for matching string-typed values. | |
1390 | TEST(HasSubstrTest, WorksForStringClasses) { | |
1e59de90 TL |
1391 | const Matcher<std::string> m1 = HasSubstr("foo"); |
1392 | EXPECT_TRUE(m1.Matches(std::string("I love food."))); | |
1393 | EXPECT_FALSE(m1.Matches(std::string("tofo"))); | |
31f18b77 FG |
1394 | |
1395 | const Matcher<const std::string&> m2 = HasSubstr("foo"); | |
1396 | EXPECT_TRUE(m2.Matches(std::string("I love food."))); | |
1397 | EXPECT_FALSE(m2.Matches(std::string("tofo"))); | |
1e59de90 TL |
1398 | |
1399 | const Matcher<std::string> m_empty = HasSubstr(""); | |
1400 | EXPECT_TRUE(m_empty.Matches(std::string())); | |
1401 | EXPECT_TRUE(m_empty.Matches(std::string("not empty"))); | |
31f18b77 FG |
1402 | } |
1403 | ||
1404 | // Tests that HasSubstr() works for matching C-string-typed values. | |
1405 | TEST(HasSubstrTest, WorksForCStrings) { | |
1406 | const Matcher<char*> m1 = HasSubstr("foo"); | |
1407 | EXPECT_TRUE(m1.Matches(const_cast<char*>("I love food."))); | |
1408 | EXPECT_FALSE(m1.Matches(const_cast<char*>("tofo"))); | |
1e59de90 | 1409 | EXPECT_FALSE(m1.Matches(nullptr)); |
31f18b77 FG |
1410 | |
1411 | const Matcher<const char*> m2 = HasSubstr("foo"); | |
1412 | EXPECT_TRUE(m2.Matches("I love food.")); | |
1413 | EXPECT_FALSE(m2.Matches("tofo")); | |
1e59de90 TL |
1414 | EXPECT_FALSE(m2.Matches(nullptr)); |
1415 | ||
1416 | const Matcher<const char*> m_empty = HasSubstr(""); | |
1417 | EXPECT_TRUE(m_empty.Matches("not empty")); | |
1418 | EXPECT_TRUE(m_empty.Matches("")); | |
1419 | EXPECT_FALSE(m_empty.Matches(nullptr)); | |
1420 | } | |
1421 | ||
1422 | #if GTEST_INTERNAL_HAS_STRING_VIEW | |
1423 | // Tests that HasSubstr() works for matching StringView-typed values. | |
1424 | TEST(HasSubstrTest, WorksForStringViewClasses) { | |
1425 | const Matcher<internal::StringView> m1 = | |
1426 | HasSubstr(internal::StringView("foo")); | |
1427 | EXPECT_TRUE(m1.Matches(internal::StringView("I love food."))); | |
1428 | EXPECT_FALSE(m1.Matches(internal::StringView("tofo"))); | |
1429 | EXPECT_FALSE(m1.Matches(internal::StringView())); | |
1430 | ||
1431 | const Matcher<const internal::StringView&> m2 = HasSubstr("foo"); | |
1432 | EXPECT_TRUE(m2.Matches(internal::StringView("I love food."))); | |
1433 | EXPECT_FALSE(m2.Matches(internal::StringView("tofo"))); | |
1434 | EXPECT_FALSE(m2.Matches(internal::StringView())); | |
1435 | ||
1436 | const Matcher<const internal::StringView&> m3 = HasSubstr(""); | |
1437 | EXPECT_TRUE(m3.Matches(internal::StringView("foo"))); | |
1438 | EXPECT_TRUE(m3.Matches(internal::StringView(""))); | |
1439 | EXPECT_TRUE(m3.Matches(internal::StringView())); | |
31f18b77 | 1440 | } |
1e59de90 | 1441 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW |
31f18b77 FG |
1442 | |
1443 | // Tests that HasSubstr(s) describes itself properly. | |
1444 | TEST(HasSubstrTest, CanDescribeSelf) { | |
1e59de90 | 1445 | Matcher<std::string> m = HasSubstr("foo\n\""); |
31f18b77 FG |
1446 | EXPECT_EQ("has substring \"foo\\n\\\"\"", Describe(m)); |
1447 | } | |
1448 | ||
1449 | TEST(KeyTest, CanDescribeSelf) { | |
1450 | Matcher<const pair<std::string, int>&> m = Key("foo"); | |
1451 | EXPECT_EQ("has a key that is equal to \"foo\"", Describe(m)); | |
1452 | EXPECT_EQ("doesn't have a key that is equal to \"foo\"", DescribeNegation(m)); | |
1453 | } | |
1454 | ||
1455 | TEST(KeyTest, ExplainsResult) { | |
1456 | Matcher<pair<int, bool> > m = Key(GreaterThan(10)); | |
1457 | EXPECT_EQ("whose first field is a value which is 5 less than 10", | |
1458 | Explain(m, make_pair(5, true))); | |
1459 | EXPECT_EQ("whose first field is a value which is 5 more than 10", | |
1460 | Explain(m, make_pair(15, true))); | |
1461 | } | |
1462 | ||
1463 | TEST(KeyTest, MatchesCorrectly) { | |
1464 | pair<int, std::string> p(25, "foo"); | |
1465 | EXPECT_THAT(p, Key(25)); | |
1466 | EXPECT_THAT(p, Not(Key(42))); | |
1467 | EXPECT_THAT(p, Key(Ge(20))); | |
1468 | EXPECT_THAT(p, Not(Key(Lt(25)))); | |
1469 | } | |
1470 | ||
1e59de90 TL |
1471 | TEST(KeyTest, WorksWithMoveOnly) { |
1472 | pair<std::unique_ptr<int>, std::unique_ptr<int>> p; | |
1473 | EXPECT_THAT(p, Key(Eq(nullptr))); | |
1474 | } | |
1475 | ||
1476 | template <size_t I> | |
1477 | struct Tag {}; | |
1478 | ||
1479 | struct PairWithGet { | |
1480 | int member_1; | |
1481 | std::string member_2; | |
1482 | using first_type = int; | |
1483 | using second_type = std::string; | |
1484 | ||
1485 | const int& GetImpl(Tag<0>) const { return member_1; } | |
1486 | const std::string& GetImpl(Tag<1>) const { return member_2; } | |
1487 | }; | |
1488 | template <size_t I> | |
1489 | auto get(const PairWithGet& value) -> decltype(value.GetImpl(Tag<I>())) { | |
1490 | return value.GetImpl(Tag<I>()); | |
1491 | } | |
1492 | TEST(PairTest, MatchesPairWithGetCorrectly) { | |
1493 | PairWithGet p{25, "foo"}; | |
1494 | EXPECT_THAT(p, Key(25)); | |
1495 | EXPECT_THAT(p, Not(Key(42))); | |
1496 | EXPECT_THAT(p, Key(Ge(20))); | |
1497 | EXPECT_THAT(p, Not(Key(Lt(25)))); | |
1498 | ||
1499 | std::vector<PairWithGet> v = {{11, "Foo"}, {29, "gMockIsBestMock"}}; | |
1500 | EXPECT_THAT(v, Contains(Key(29))); | |
1501 | } | |
1502 | ||
31f18b77 FG |
1503 | TEST(KeyTest, SafelyCastsInnerMatcher) { |
1504 | Matcher<int> is_positive = Gt(0); | |
1505 | Matcher<int> is_negative = Lt(0); | |
1506 | pair<char, bool> p('a', true); | |
1507 | EXPECT_THAT(p, Key(is_positive)); | |
1508 | EXPECT_THAT(p, Not(Key(is_negative))); | |
1509 | } | |
1510 | ||
1511 | TEST(KeyTest, InsideContainsUsingMap) { | |
1512 | map<int, char> container; | |
1513 | container.insert(make_pair(1, 'a')); | |
1514 | container.insert(make_pair(2, 'b')); | |
1515 | container.insert(make_pair(4, 'c')); | |
1516 | EXPECT_THAT(container, Contains(Key(1))); | |
1517 | EXPECT_THAT(container, Not(Contains(Key(3)))); | |
1518 | } | |
1519 | ||
1520 | TEST(KeyTest, InsideContainsUsingMultimap) { | |
1521 | multimap<int, char> container; | |
1522 | container.insert(make_pair(1, 'a')); | |
1523 | container.insert(make_pair(2, 'b')); | |
1524 | container.insert(make_pair(4, 'c')); | |
1525 | ||
1526 | EXPECT_THAT(container, Not(Contains(Key(25)))); | |
1527 | container.insert(make_pair(25, 'd')); | |
1528 | EXPECT_THAT(container, Contains(Key(25))); | |
1529 | container.insert(make_pair(25, 'e')); | |
1530 | EXPECT_THAT(container, Contains(Key(25))); | |
1531 | ||
1532 | EXPECT_THAT(container, Contains(Key(1))); | |
1533 | EXPECT_THAT(container, Not(Contains(Key(3)))); | |
1534 | } | |
1535 | ||
1536 | TEST(PairTest, Typing) { | |
1537 | // Test verifies the following type conversions can be compiled. | |
1538 | Matcher<const pair<const char*, int>&> m1 = Pair("foo", 42); | |
1539 | Matcher<const pair<const char*, int> > m2 = Pair("foo", 42); | |
1540 | Matcher<pair<const char*, int> > m3 = Pair("foo", 42); | |
1541 | ||
1542 | Matcher<pair<int, const std::string> > m4 = Pair(25, "42"); | |
1543 | Matcher<pair<const std::string, int> > m5 = Pair("25", 42); | |
1544 | } | |
1545 | ||
1546 | TEST(PairTest, CanDescribeSelf) { | |
1547 | Matcher<const pair<std::string, int>&> m1 = Pair("foo", 42); | |
1548 | EXPECT_EQ("has a first field that is equal to \"foo\"" | |
1549 | ", and has a second field that is equal to 42", | |
1550 | Describe(m1)); | |
1551 | EXPECT_EQ("has a first field that isn't equal to \"foo\"" | |
1552 | ", or has a second field that isn't equal to 42", | |
1553 | DescribeNegation(m1)); | |
1554 | // Double and triple negation (1 or 2 times not and description of negation). | |
1555 | Matcher<const pair<int, int>&> m2 = Not(Pair(Not(13), 42)); | |
1556 | EXPECT_EQ("has a first field that isn't equal to 13" | |
1557 | ", and has a second field that is equal to 42", | |
1558 | DescribeNegation(m2)); | |
1559 | } | |
1560 | ||
1561 | TEST(PairTest, CanExplainMatchResultTo) { | |
1562 | // If neither field matches, Pair() should explain about the first | |
1563 | // field. | |
1564 | const Matcher<pair<int, int> > m = Pair(GreaterThan(0), GreaterThan(0)); | |
1565 | EXPECT_EQ("whose first field does not match, which is 1 less than 0", | |
1566 | Explain(m, make_pair(-1, -2))); | |
1567 | ||
1568 | // If the first field matches but the second doesn't, Pair() should | |
1569 | // explain about the second field. | |
1570 | EXPECT_EQ("whose second field does not match, which is 2 less than 0", | |
1571 | Explain(m, make_pair(1, -2))); | |
1572 | ||
1573 | // If the first field doesn't match but the second does, Pair() | |
1574 | // should explain about the first field. | |
1575 | EXPECT_EQ("whose first field does not match, which is 1 less than 0", | |
1576 | Explain(m, make_pair(-1, 2))); | |
1577 | ||
1578 | // If both fields match, Pair() should explain about them both. | |
1579 | EXPECT_EQ("whose both fields match, where the first field is a value " | |
1580 | "which is 1 more than 0, and the second field is a value " | |
1581 | "which is 2 more than 0", | |
1582 | Explain(m, make_pair(1, 2))); | |
1583 | ||
1584 | // If only the first match has an explanation, only this explanation should | |
1585 | // be printed. | |
1586 | const Matcher<pair<int, int> > explain_first = Pair(GreaterThan(0), 0); | |
1587 | EXPECT_EQ("whose both fields match, where the first field is a value " | |
1588 | "which is 1 more than 0", | |
1589 | Explain(explain_first, make_pair(1, 0))); | |
1590 | ||
1591 | // If only the second match has an explanation, only this explanation should | |
1592 | // be printed. | |
1593 | const Matcher<pair<int, int> > explain_second = Pair(0, GreaterThan(0)); | |
1594 | EXPECT_EQ("whose both fields match, where the second field is a value " | |
1595 | "which is 1 more than 0", | |
1596 | Explain(explain_second, make_pair(0, 1))); | |
1597 | } | |
1598 | ||
1599 | TEST(PairTest, MatchesCorrectly) { | |
1600 | pair<int, std::string> p(25, "foo"); | |
1601 | ||
1602 | // Both fields match. | |
1603 | EXPECT_THAT(p, Pair(25, "foo")); | |
1604 | EXPECT_THAT(p, Pair(Ge(20), HasSubstr("o"))); | |
1605 | ||
1606 | // 'first' doesnt' match, but 'second' matches. | |
1607 | EXPECT_THAT(p, Not(Pair(42, "foo"))); | |
1608 | EXPECT_THAT(p, Not(Pair(Lt(25), "foo"))); | |
1609 | ||
1610 | // 'first' matches, but 'second' doesn't match. | |
1611 | EXPECT_THAT(p, Not(Pair(25, "bar"))); | |
1612 | EXPECT_THAT(p, Not(Pair(25, Not("foo")))); | |
1613 | ||
1614 | // Neither field matches. | |
1615 | EXPECT_THAT(p, Not(Pair(13, "bar"))); | |
1616 | EXPECT_THAT(p, Not(Pair(Lt(13), HasSubstr("a")))); | |
1617 | } | |
1618 | ||
1e59de90 TL |
1619 | TEST(PairTest, WorksWithMoveOnly) { |
1620 | pair<std::unique_ptr<int>, std::unique_ptr<int>> p; | |
1621 | p.second.reset(new int(7)); | |
1622 | EXPECT_THAT(p, Pair(Eq(nullptr), Ne(nullptr))); | |
1623 | } | |
1624 | ||
31f18b77 FG |
1625 | TEST(PairTest, SafelyCastsInnerMatchers) { |
1626 | Matcher<int> is_positive = Gt(0); | |
1627 | Matcher<int> is_negative = Lt(0); | |
1628 | pair<char, bool> p('a', true); | |
1629 | EXPECT_THAT(p, Pair(is_positive, _)); | |
1630 | EXPECT_THAT(p, Not(Pair(is_negative, _))); | |
1631 | EXPECT_THAT(p, Pair(_, is_positive)); | |
1632 | EXPECT_THAT(p, Not(Pair(_, is_negative))); | |
1633 | } | |
1634 | ||
1635 | TEST(PairTest, InsideContainsUsingMap) { | |
1636 | map<int, char> container; | |
1637 | container.insert(make_pair(1, 'a')); | |
1638 | container.insert(make_pair(2, 'b')); | |
1639 | container.insert(make_pair(4, 'c')); | |
1640 | EXPECT_THAT(container, Contains(Pair(1, 'a'))); | |
1641 | EXPECT_THAT(container, Contains(Pair(1, _))); | |
1642 | EXPECT_THAT(container, Contains(Pair(_, 'a'))); | |
1643 | EXPECT_THAT(container, Not(Contains(Pair(3, _)))); | |
1644 | } | |
1645 | ||
1e59de90 TL |
1646 | TEST(FieldsAreTest, MatchesCorrectly) { |
1647 | std::tuple<int, std::string, double> p(25, "foo", .5); | |
1648 | ||
1649 | // All fields match. | |
1650 | EXPECT_THAT(p, FieldsAre(25, "foo", .5)); | |
1651 | EXPECT_THAT(p, FieldsAre(Ge(20), HasSubstr("o"), DoubleEq(.5))); | |
1652 | ||
1653 | // Some don't match. | |
1654 | EXPECT_THAT(p, Not(FieldsAre(26, "foo", .5))); | |
1655 | EXPECT_THAT(p, Not(FieldsAre(25, "fo", .5))); | |
1656 | EXPECT_THAT(p, Not(FieldsAre(25, "foo", .6))); | |
1657 | } | |
1658 | ||
1659 | TEST(FieldsAreTest, CanDescribeSelf) { | |
1660 | Matcher<const pair<std::string, int>&> m1 = FieldsAre("foo", 42); | |
1661 | EXPECT_EQ( | |
1662 | "has field #0 that is equal to \"foo\"" | |
1663 | ", and has field #1 that is equal to 42", | |
1664 | Describe(m1)); | |
1665 | EXPECT_EQ( | |
1666 | "has field #0 that isn't equal to \"foo\"" | |
1667 | ", or has field #1 that isn't equal to 42", | |
1668 | DescribeNegation(m1)); | |
1669 | } | |
1670 | ||
1671 | TEST(FieldsAreTest, CanExplainMatchResultTo) { | |
1672 | // The first one that fails is the one that gives the error. | |
1673 | Matcher<std::tuple<int, int, int>> m = | |
1674 | FieldsAre(GreaterThan(0), GreaterThan(0), GreaterThan(0)); | |
1675 | ||
1676 | EXPECT_EQ("whose field #0 does not match, which is 1 less than 0", | |
1677 | Explain(m, std::make_tuple(-1, -2, -3))); | |
1678 | EXPECT_EQ("whose field #1 does not match, which is 2 less than 0", | |
1679 | Explain(m, std::make_tuple(1, -2, -3))); | |
1680 | EXPECT_EQ("whose field #2 does not match, which is 3 less than 0", | |
1681 | Explain(m, std::make_tuple(1, 2, -3))); | |
1682 | ||
1683 | // If they all match, we get a long explanation of success. | |
1684 | EXPECT_EQ( | |
1685 | "whose all elements match, " | |
1686 | "where field #0 is a value which is 1 more than 0" | |
1687 | ", and field #1 is a value which is 2 more than 0" | |
1688 | ", and field #2 is a value which is 3 more than 0", | |
1689 | Explain(m, std::make_tuple(1, 2, 3))); | |
1690 | ||
1691 | // Only print those that have an explanation. | |
1692 | m = FieldsAre(GreaterThan(0), 0, GreaterThan(0)); | |
1693 | EXPECT_EQ( | |
1694 | "whose all elements match, " | |
1695 | "where field #0 is a value which is 1 more than 0" | |
1696 | ", and field #2 is a value which is 3 more than 0", | |
1697 | Explain(m, std::make_tuple(1, 0, 3))); | |
1698 | ||
1699 | // If only one has an explanation, then print that one. | |
1700 | m = FieldsAre(0, GreaterThan(0), 0); | |
1701 | EXPECT_EQ( | |
1702 | "whose all elements match, " | |
1703 | "where field #1 is a value which is 1 more than 0", | |
1704 | Explain(m, std::make_tuple(0, 1, 0))); | |
1705 | } | |
1706 | ||
1707 | #if defined(__cpp_structured_bindings) && __cpp_structured_bindings >= 201606 | |
1708 | TEST(FieldsAreTest, StructuredBindings) { | |
1709 | // testing::FieldsAre can also match aggregates and such with C++17 and up. | |
1710 | struct MyType { | |
1711 | int i; | |
1712 | std::string str; | |
1713 | }; | |
1714 | EXPECT_THAT((MyType{17, "foo"}), FieldsAre(Eq(17), HasSubstr("oo"))); | |
1715 | ||
1716 | // Test all the supported arities. | |
1717 | struct MyVarType1 { | |
1718 | int a; | |
1719 | }; | |
1720 | EXPECT_THAT(MyVarType1{}, FieldsAre(0)); | |
1721 | struct MyVarType2 { | |
1722 | int a, b; | |
1723 | }; | |
1724 | EXPECT_THAT(MyVarType2{}, FieldsAre(0, 0)); | |
1725 | struct MyVarType3 { | |
1726 | int a, b, c; | |
1727 | }; | |
1728 | EXPECT_THAT(MyVarType3{}, FieldsAre(0, 0, 0)); | |
1729 | struct MyVarType4 { | |
1730 | int a, b, c, d; | |
1731 | }; | |
1732 | EXPECT_THAT(MyVarType4{}, FieldsAre(0, 0, 0, 0)); | |
1733 | struct MyVarType5 { | |
1734 | int a, b, c, d, e; | |
1735 | }; | |
1736 | EXPECT_THAT(MyVarType5{}, FieldsAre(0, 0, 0, 0, 0)); | |
1737 | struct MyVarType6 { | |
1738 | int a, b, c, d, e, f; | |
1739 | }; | |
1740 | EXPECT_THAT(MyVarType6{}, FieldsAre(0, 0, 0, 0, 0, 0)); | |
1741 | struct MyVarType7 { | |
1742 | int a, b, c, d, e, f, g; | |
1743 | }; | |
1744 | EXPECT_THAT(MyVarType7{}, FieldsAre(0, 0, 0, 0, 0, 0, 0)); | |
1745 | struct MyVarType8 { | |
1746 | int a, b, c, d, e, f, g, h; | |
1747 | }; | |
1748 | EXPECT_THAT(MyVarType8{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0)); | |
1749 | struct MyVarType9 { | |
1750 | int a, b, c, d, e, f, g, h, i; | |
1751 | }; | |
1752 | EXPECT_THAT(MyVarType9{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0)); | |
1753 | struct MyVarType10 { | |
1754 | int a, b, c, d, e, f, g, h, i, j; | |
1755 | }; | |
1756 | EXPECT_THAT(MyVarType10{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); | |
1757 | struct MyVarType11 { | |
1758 | int a, b, c, d, e, f, g, h, i, j, k; | |
1759 | }; | |
1760 | EXPECT_THAT(MyVarType11{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); | |
1761 | struct MyVarType12 { | |
1762 | int a, b, c, d, e, f, g, h, i, j, k, l; | |
1763 | }; | |
1764 | EXPECT_THAT(MyVarType12{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); | |
1765 | struct MyVarType13 { | |
1766 | int a, b, c, d, e, f, g, h, i, j, k, l, m; | |
1767 | }; | |
1768 | EXPECT_THAT(MyVarType13{}, FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); | |
1769 | struct MyVarType14 { | |
1770 | int a, b, c, d, e, f, g, h, i, j, k, l, m, n; | |
1771 | }; | |
1772 | EXPECT_THAT(MyVarType14{}, | |
1773 | FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); | |
1774 | struct MyVarType15 { | |
1775 | int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o; | |
1776 | }; | |
1777 | EXPECT_THAT(MyVarType15{}, | |
1778 | FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); | |
1779 | struct MyVarType16 { | |
1780 | int a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p; | |
1781 | }; | |
1782 | EXPECT_THAT(MyVarType16{}, | |
1783 | FieldsAre(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)); | |
1784 | } | |
1785 | #endif | |
1786 | ||
1787 | TEST(ContainsTest, WorksWithMoveOnly) { | |
1788 | ContainerHelper helper; | |
1789 | EXPECT_CALL(helper, Call(Contains(Pointee(2)))); | |
1790 | helper.Call(MakeUniquePtrs({1, 2})); | |
1791 | } | |
1792 | ||
1793 | TEST(PairTest, UseGetInsteadOfMembers) { | |
1794 | PairWithGet pair{7, "ABC"}; | |
1795 | EXPECT_THAT(pair, Pair(7, "ABC")); | |
1796 | EXPECT_THAT(pair, Pair(Ge(7), HasSubstr("AB"))); | |
1797 | EXPECT_THAT(pair, Not(Pair(Lt(7), "ABC"))); | |
1798 | ||
1799 | std::vector<PairWithGet> v = {{11, "Foo"}, {29, "gMockIsBestMock"}}; | |
1800 | EXPECT_THAT(v, | |
1801 | ElementsAre(Pair(11, std::string("Foo")), Pair(Ge(10), Not("")))); | |
1802 | } | |
1803 | ||
31f18b77 FG |
1804 | // Tests StartsWith(s). |
1805 | ||
1806 | TEST(StartsWithTest, MatchesStringWithGivenPrefix) { | |
1e59de90 | 1807 | const Matcher<const char*> m1 = StartsWith(std::string("")); |
31f18b77 FG |
1808 | EXPECT_TRUE(m1.Matches("Hi")); |
1809 | EXPECT_TRUE(m1.Matches("")); | |
1e59de90 | 1810 | EXPECT_FALSE(m1.Matches(nullptr)); |
31f18b77 | 1811 | |
1e59de90 | 1812 | const Matcher<const std::string&> m2 = StartsWith("Hi"); |
31f18b77 FG |
1813 | EXPECT_TRUE(m2.Matches("Hi")); |
1814 | EXPECT_TRUE(m2.Matches("Hi Hi!")); | |
1815 | EXPECT_TRUE(m2.Matches("High")); | |
1816 | EXPECT_FALSE(m2.Matches("H")); | |
1817 | EXPECT_FALSE(m2.Matches(" Hi")); | |
1e59de90 TL |
1818 | |
1819 | #if GTEST_INTERNAL_HAS_STRING_VIEW | |
1820 | const Matcher<internal::StringView> m_empty = | |
1821 | StartsWith(internal::StringView("")); | |
1822 | EXPECT_TRUE(m_empty.Matches(internal::StringView())); | |
1823 | EXPECT_TRUE(m_empty.Matches(internal::StringView(""))); | |
1824 | EXPECT_TRUE(m_empty.Matches(internal::StringView("not empty"))); | |
1825 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW | |
31f18b77 FG |
1826 | } |
1827 | ||
1828 | TEST(StartsWithTest, CanDescribeSelf) { | |
1829 | Matcher<const std::string> m = StartsWith("Hi"); | |
1830 | EXPECT_EQ("starts with \"Hi\"", Describe(m)); | |
1831 | } | |
1832 | ||
1833 | // Tests EndsWith(s). | |
1834 | ||
1835 | TEST(EndsWithTest, MatchesStringWithGivenSuffix) { | |
1836 | const Matcher<const char*> m1 = EndsWith(""); | |
1837 | EXPECT_TRUE(m1.Matches("Hi")); | |
1838 | EXPECT_TRUE(m1.Matches("")); | |
1e59de90 | 1839 | EXPECT_FALSE(m1.Matches(nullptr)); |
31f18b77 | 1840 | |
1e59de90 | 1841 | const Matcher<const std::string&> m2 = EndsWith(std::string("Hi")); |
31f18b77 FG |
1842 | EXPECT_TRUE(m2.Matches("Hi")); |
1843 | EXPECT_TRUE(m2.Matches("Wow Hi Hi")); | |
1844 | EXPECT_TRUE(m2.Matches("Super Hi")); | |
1845 | EXPECT_FALSE(m2.Matches("i")); | |
1846 | EXPECT_FALSE(m2.Matches("Hi ")); | |
1e59de90 TL |
1847 | |
1848 | #if GTEST_INTERNAL_HAS_STRING_VIEW | |
1849 | const Matcher<const internal::StringView&> m4 = | |
1850 | EndsWith(internal::StringView("")); | |
1851 | EXPECT_TRUE(m4.Matches("Hi")); | |
1852 | EXPECT_TRUE(m4.Matches("")); | |
1853 | EXPECT_TRUE(m4.Matches(internal::StringView())); | |
1854 | EXPECT_TRUE(m4.Matches(internal::StringView(""))); | |
1855 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW | |
31f18b77 FG |
1856 | } |
1857 | ||
1858 | TEST(EndsWithTest, CanDescribeSelf) { | |
1859 | Matcher<const std::string> m = EndsWith("Hi"); | |
1860 | EXPECT_EQ("ends with \"Hi\"", Describe(m)); | |
1861 | } | |
1862 | ||
1863 | // Tests MatchesRegex(). | |
1864 | ||
1865 | TEST(MatchesRegexTest, MatchesStringMatchingGivenRegex) { | |
1866 | const Matcher<const char*> m1 = MatchesRegex("a.*z"); | |
1867 | EXPECT_TRUE(m1.Matches("az")); | |
1868 | EXPECT_TRUE(m1.Matches("abcz")); | |
1e59de90 | 1869 | EXPECT_FALSE(m1.Matches(nullptr)); |
31f18b77 | 1870 | |
1e59de90 | 1871 | const Matcher<const std::string&> m2 = MatchesRegex(new RE("a.*z")); |
31f18b77 FG |
1872 | EXPECT_TRUE(m2.Matches("azbz")); |
1873 | EXPECT_FALSE(m2.Matches("az1")); | |
1874 | EXPECT_FALSE(m2.Matches("1az")); | |
1e59de90 TL |
1875 | |
1876 | #if GTEST_INTERNAL_HAS_STRING_VIEW | |
1877 | const Matcher<const internal::StringView&> m3 = MatchesRegex("a.*z"); | |
1878 | EXPECT_TRUE(m3.Matches(internal::StringView("az"))); | |
1879 | EXPECT_TRUE(m3.Matches(internal::StringView("abcz"))); | |
1880 | EXPECT_FALSE(m3.Matches(internal::StringView("1az"))); | |
1881 | EXPECT_FALSE(m3.Matches(internal::StringView())); | |
1882 | const Matcher<const internal::StringView&> m4 = | |
1883 | MatchesRegex(internal::StringView("")); | |
1884 | EXPECT_TRUE(m4.Matches(internal::StringView(""))); | |
1885 | EXPECT_TRUE(m4.Matches(internal::StringView())); | |
1886 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW | |
31f18b77 FG |
1887 | } |
1888 | ||
1889 | TEST(MatchesRegexTest, CanDescribeSelf) { | |
1e59de90 | 1890 | Matcher<const std::string> m1 = MatchesRegex(std::string("Hi.*")); |
31f18b77 FG |
1891 | EXPECT_EQ("matches regular expression \"Hi.*\"", Describe(m1)); |
1892 | ||
1893 | Matcher<const char*> m2 = MatchesRegex(new RE("a.*")); | |
1894 | EXPECT_EQ("matches regular expression \"a.*\"", Describe(m2)); | |
1e59de90 TL |
1895 | |
1896 | #if GTEST_INTERNAL_HAS_STRING_VIEW | |
1897 | Matcher<const internal::StringView> m3 = MatchesRegex(new RE("0.*")); | |
1898 | EXPECT_EQ("matches regular expression \"0.*\"", Describe(m3)); | |
1899 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW | |
31f18b77 FG |
1900 | } |
1901 | ||
1902 | // Tests ContainsRegex(). | |
1903 | ||
1904 | TEST(ContainsRegexTest, MatchesStringContainingGivenRegex) { | |
1e59de90 | 1905 | const Matcher<const char*> m1 = ContainsRegex(std::string("a.*z")); |
31f18b77 FG |
1906 | EXPECT_TRUE(m1.Matches("az")); |
1907 | EXPECT_TRUE(m1.Matches("0abcz1")); | |
1e59de90 | 1908 | EXPECT_FALSE(m1.Matches(nullptr)); |
31f18b77 | 1909 | |
1e59de90 | 1910 | const Matcher<const std::string&> m2 = ContainsRegex(new RE("a.*z")); |
31f18b77 FG |
1911 | EXPECT_TRUE(m2.Matches("azbz")); |
1912 | EXPECT_TRUE(m2.Matches("az1")); | |
1913 | EXPECT_FALSE(m2.Matches("1a")); | |
1e59de90 TL |
1914 | |
1915 | #if GTEST_INTERNAL_HAS_STRING_VIEW | |
1916 | const Matcher<const internal::StringView&> m3 = | |
1917 | ContainsRegex(new RE("a.*z")); | |
1918 | EXPECT_TRUE(m3.Matches(internal::StringView("azbz"))); | |
1919 | EXPECT_TRUE(m3.Matches(internal::StringView("az1"))); | |
1920 | EXPECT_FALSE(m3.Matches(internal::StringView("1a"))); | |
1921 | EXPECT_FALSE(m3.Matches(internal::StringView())); | |
1922 | const Matcher<const internal::StringView&> m4 = | |
1923 | ContainsRegex(internal::StringView("")); | |
1924 | EXPECT_TRUE(m4.Matches(internal::StringView(""))); | |
1925 | EXPECT_TRUE(m4.Matches(internal::StringView())); | |
1926 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW | |
31f18b77 FG |
1927 | } |
1928 | ||
1929 | TEST(ContainsRegexTest, CanDescribeSelf) { | |
1930 | Matcher<const std::string> m1 = ContainsRegex("Hi.*"); | |
1931 | EXPECT_EQ("contains regular expression \"Hi.*\"", Describe(m1)); | |
1932 | ||
1933 | Matcher<const char*> m2 = ContainsRegex(new RE("a.*")); | |
1934 | EXPECT_EQ("contains regular expression \"a.*\"", Describe(m2)); | |
1e59de90 TL |
1935 | |
1936 | #if GTEST_INTERNAL_HAS_STRING_VIEW | |
1937 | Matcher<const internal::StringView> m3 = ContainsRegex(new RE("0.*")); | |
1938 | EXPECT_EQ("contains regular expression \"0.*\"", Describe(m3)); | |
1939 | #endif // GTEST_INTERNAL_HAS_STRING_VIEW | |
31f18b77 FG |
1940 | } |
1941 | ||
1942 | // Tests for wide strings. | |
1943 | #if GTEST_HAS_STD_WSTRING | |
1944 | TEST(StdWideStrEqTest, MatchesEqual) { | |
1945 | Matcher<const wchar_t*> m = StrEq(::std::wstring(L"Hello")); | |
1946 | EXPECT_TRUE(m.Matches(L"Hello")); | |
1947 | EXPECT_FALSE(m.Matches(L"hello")); | |
1e59de90 | 1948 | EXPECT_FALSE(m.Matches(nullptr)); |
31f18b77 FG |
1949 | |
1950 | Matcher<const ::std::wstring&> m2 = StrEq(L"Hello"); | |
1951 | EXPECT_TRUE(m2.Matches(L"Hello")); | |
1952 | EXPECT_FALSE(m2.Matches(L"Hi")); | |
1953 | ||
1954 | Matcher<const ::std::wstring&> m3 = StrEq(L"\xD3\x576\x8D3\xC74D"); | |
1955 | EXPECT_TRUE(m3.Matches(L"\xD3\x576\x8D3\xC74D")); | |
1956 | EXPECT_FALSE(m3.Matches(L"\xD3\x576\x8D3\xC74E")); | |
1957 | ||
1958 | ::std::wstring str(L"01204500800"); | |
1959 | str[3] = L'\0'; | |
1960 | Matcher<const ::std::wstring&> m4 = StrEq(str); | |
1961 | EXPECT_TRUE(m4.Matches(str)); | |
1962 | str[0] = str[6] = str[7] = str[9] = str[10] = L'\0'; | |
1963 | Matcher<const ::std::wstring&> m5 = StrEq(str); | |
1964 | EXPECT_TRUE(m5.Matches(str)); | |
1965 | } | |
1966 | ||
1967 | TEST(StdWideStrEqTest, CanDescribeSelf) { | |
1968 | Matcher< ::std::wstring> m = StrEq(L"Hi-\'\"?\\\a\b\f\n\r\t\v"); | |
1969 | EXPECT_EQ("is equal to L\"Hi-\'\\\"?\\\\\\a\\b\\f\\n\\r\\t\\v\"", | |
1970 | Describe(m)); | |
1971 | ||
1972 | Matcher< ::std::wstring> m2 = StrEq(L"\xD3\x576\x8D3\xC74D"); | |
1973 | EXPECT_EQ("is equal to L\"\\xD3\\x576\\x8D3\\xC74D\"", | |
1974 | Describe(m2)); | |
1975 | ||
1976 | ::std::wstring str(L"01204500800"); | |
1977 | str[3] = L'\0'; | |
1978 | Matcher<const ::std::wstring&> m4 = StrEq(str); | |
1979 | EXPECT_EQ("is equal to L\"012\\04500800\"", Describe(m4)); | |
1980 | str[0] = str[6] = str[7] = str[9] = str[10] = L'\0'; | |
1981 | Matcher<const ::std::wstring&> m5 = StrEq(str); | |
1982 | EXPECT_EQ("is equal to L\"\\012\\045\\0\\08\\0\\0\"", Describe(m5)); | |
1983 | } | |
1984 | ||
1985 | TEST(StdWideStrNeTest, MatchesUnequalString) { | |
1986 | Matcher<const wchar_t*> m = StrNe(L"Hello"); | |
1987 | EXPECT_TRUE(m.Matches(L"")); | |
1e59de90 | 1988 | EXPECT_TRUE(m.Matches(nullptr)); |
31f18b77 FG |
1989 | EXPECT_FALSE(m.Matches(L"Hello")); |
1990 | ||
1991 | Matcher< ::std::wstring> m2 = StrNe(::std::wstring(L"Hello")); | |
1992 | EXPECT_TRUE(m2.Matches(L"hello")); | |
1993 | EXPECT_FALSE(m2.Matches(L"Hello")); | |
1994 | } | |
1995 | ||
1996 | TEST(StdWideStrNeTest, CanDescribeSelf) { | |
1997 | Matcher<const wchar_t*> m = StrNe(L"Hi"); | |
1998 | EXPECT_EQ("isn't equal to L\"Hi\"", Describe(m)); | |
1999 | } | |
2000 | ||
2001 | TEST(StdWideStrCaseEqTest, MatchesEqualStringIgnoringCase) { | |
2002 | Matcher<const wchar_t*> m = StrCaseEq(::std::wstring(L"Hello")); | |
2003 | EXPECT_TRUE(m.Matches(L"Hello")); | |
2004 | EXPECT_TRUE(m.Matches(L"hello")); | |
2005 | EXPECT_FALSE(m.Matches(L"Hi")); | |
1e59de90 | 2006 | EXPECT_FALSE(m.Matches(nullptr)); |
31f18b77 FG |
2007 | |
2008 | Matcher<const ::std::wstring&> m2 = StrCaseEq(L"Hello"); | |
2009 | EXPECT_TRUE(m2.Matches(L"hello")); | |
2010 | EXPECT_FALSE(m2.Matches(L"Hi")); | |
2011 | } | |
2012 | ||
2013 | TEST(StdWideStrCaseEqTest, MatchesEqualStringWith0IgnoringCase) { | |
2014 | ::std::wstring str1(L"oabocdooeoo"); | |
2015 | ::std::wstring str2(L"OABOCDOOEOO"); | |
2016 | Matcher<const ::std::wstring&> m0 = StrCaseEq(str1); | |
2017 | EXPECT_FALSE(m0.Matches(str2 + ::std::wstring(1, L'\0'))); | |
2018 | ||
2019 | str1[3] = str2[3] = L'\0'; | |
2020 | Matcher<const ::std::wstring&> m1 = StrCaseEq(str1); | |
2021 | EXPECT_TRUE(m1.Matches(str2)); | |
2022 | ||
2023 | str1[0] = str1[6] = str1[7] = str1[10] = L'\0'; | |
2024 | str2[0] = str2[6] = str2[7] = str2[10] = L'\0'; | |
2025 | Matcher<const ::std::wstring&> m2 = StrCaseEq(str1); | |
2026 | str1[9] = str2[9] = L'\0'; | |
2027 | EXPECT_FALSE(m2.Matches(str2)); | |
2028 | ||
2029 | Matcher<const ::std::wstring&> m3 = StrCaseEq(str1); | |
2030 | EXPECT_TRUE(m3.Matches(str2)); | |
2031 | ||
2032 | EXPECT_FALSE(m3.Matches(str2 + L"x")); | |
2033 | str2.append(1, L'\0'); | |
2034 | EXPECT_FALSE(m3.Matches(str2)); | |
2035 | EXPECT_FALSE(m3.Matches(::std::wstring(str2, 0, 9))); | |
2036 | } | |
2037 | ||
2038 | TEST(StdWideStrCaseEqTest, CanDescribeSelf) { | |
2039 | Matcher< ::std::wstring> m = StrCaseEq(L"Hi"); | |
2040 | EXPECT_EQ("is equal to (ignoring case) L\"Hi\"", Describe(m)); | |
2041 | } | |
2042 | ||
2043 | TEST(StdWideStrCaseNeTest, MatchesUnequalStringIgnoringCase) { | |
2044 | Matcher<const wchar_t*> m = StrCaseNe(L"Hello"); | |
2045 | EXPECT_TRUE(m.Matches(L"Hi")); | |
1e59de90 | 2046 | EXPECT_TRUE(m.Matches(nullptr)); |
31f18b77 FG |
2047 | EXPECT_FALSE(m.Matches(L"Hello")); |
2048 | EXPECT_FALSE(m.Matches(L"hello")); | |
2049 | ||
2050 | Matcher< ::std::wstring> m2 = StrCaseNe(::std::wstring(L"Hello")); | |
2051 | EXPECT_TRUE(m2.Matches(L"")); | |
2052 | EXPECT_FALSE(m2.Matches(L"Hello")); | |
2053 | } | |
2054 | ||
2055 | TEST(StdWideStrCaseNeTest, CanDescribeSelf) { | |
2056 | Matcher<const wchar_t*> m = StrCaseNe(L"Hi"); | |
2057 | EXPECT_EQ("isn't equal to (ignoring case) L\"Hi\"", Describe(m)); | |
2058 | } | |
2059 | ||
2060 | // Tests that HasSubstr() works for matching wstring-typed values. | |
2061 | TEST(StdWideHasSubstrTest, WorksForStringClasses) { | |
2062 | const Matcher< ::std::wstring> m1 = HasSubstr(L"foo"); | |
2063 | EXPECT_TRUE(m1.Matches(::std::wstring(L"I love food."))); | |
2064 | EXPECT_FALSE(m1.Matches(::std::wstring(L"tofo"))); | |
2065 | ||
2066 | const Matcher<const ::std::wstring&> m2 = HasSubstr(L"foo"); | |
2067 | EXPECT_TRUE(m2.Matches(::std::wstring(L"I love food."))); | |
2068 | EXPECT_FALSE(m2.Matches(::std::wstring(L"tofo"))); | |
2069 | } | |
2070 | ||
2071 | // Tests that HasSubstr() works for matching C-wide-string-typed values. | |
2072 | TEST(StdWideHasSubstrTest, WorksForCStrings) { | |
2073 | const Matcher<wchar_t*> m1 = HasSubstr(L"foo"); | |
2074 | EXPECT_TRUE(m1.Matches(const_cast<wchar_t*>(L"I love food."))); | |
2075 | EXPECT_FALSE(m1.Matches(const_cast<wchar_t*>(L"tofo"))); | |
1e59de90 | 2076 | EXPECT_FALSE(m1.Matches(nullptr)); |
31f18b77 FG |
2077 | |
2078 | const Matcher<const wchar_t*> m2 = HasSubstr(L"foo"); | |
2079 | EXPECT_TRUE(m2.Matches(L"I love food.")); | |
2080 | EXPECT_FALSE(m2.Matches(L"tofo")); | |
1e59de90 | 2081 | EXPECT_FALSE(m2.Matches(nullptr)); |
31f18b77 FG |
2082 | } |
2083 | ||
2084 | // Tests that HasSubstr(s) describes itself properly. | |
2085 | TEST(StdWideHasSubstrTest, CanDescribeSelf) { | |
2086 | Matcher< ::std::wstring> m = HasSubstr(L"foo\n\""); | |
2087 | EXPECT_EQ("has substring L\"foo\\n\\\"\"", Describe(m)); | |
2088 | } | |
2089 | ||
2090 | // Tests StartsWith(s). | |
2091 | ||
2092 | TEST(StdWideStartsWithTest, MatchesStringWithGivenPrefix) { | |
2093 | const Matcher<const wchar_t*> m1 = StartsWith(::std::wstring(L"")); | |
2094 | EXPECT_TRUE(m1.Matches(L"Hi")); | |
2095 | EXPECT_TRUE(m1.Matches(L"")); | |
1e59de90 | 2096 | EXPECT_FALSE(m1.Matches(nullptr)); |
31f18b77 FG |
2097 | |
2098 | const Matcher<const ::std::wstring&> m2 = StartsWith(L"Hi"); | |
2099 | EXPECT_TRUE(m2.Matches(L"Hi")); | |
2100 | EXPECT_TRUE(m2.Matches(L"Hi Hi!")); | |
2101 | EXPECT_TRUE(m2.Matches(L"High")); | |
2102 | EXPECT_FALSE(m2.Matches(L"H")); | |
2103 | EXPECT_FALSE(m2.Matches(L" Hi")); | |
2104 | } | |
2105 | ||
2106 | TEST(StdWideStartsWithTest, CanDescribeSelf) { | |
2107 | Matcher<const ::std::wstring> m = StartsWith(L"Hi"); | |
2108 | EXPECT_EQ("starts with L\"Hi\"", Describe(m)); | |
2109 | } | |
2110 | ||
2111 | // Tests EndsWith(s). | |
2112 | ||
2113 | TEST(StdWideEndsWithTest, MatchesStringWithGivenSuffix) { | |
2114 | const Matcher<const wchar_t*> m1 = EndsWith(L""); | |
2115 | EXPECT_TRUE(m1.Matches(L"Hi")); | |
2116 | EXPECT_TRUE(m1.Matches(L"")); | |
1e59de90 | 2117 | EXPECT_FALSE(m1.Matches(nullptr)); |
31f18b77 FG |
2118 | |
2119 | const Matcher<const ::std::wstring&> m2 = EndsWith(::std::wstring(L"Hi")); | |
2120 | EXPECT_TRUE(m2.Matches(L"Hi")); | |
2121 | EXPECT_TRUE(m2.Matches(L"Wow Hi Hi")); | |
2122 | EXPECT_TRUE(m2.Matches(L"Super Hi")); | |
2123 | EXPECT_FALSE(m2.Matches(L"i")); | |
2124 | EXPECT_FALSE(m2.Matches(L"Hi ")); | |
2125 | } | |
2126 | ||
2127 | TEST(StdWideEndsWithTest, CanDescribeSelf) { | |
2128 | Matcher<const ::std::wstring> m = EndsWith(L"Hi"); | |
2129 | EXPECT_EQ("ends with L\"Hi\"", Describe(m)); | |
2130 | } | |
2131 | ||
2132 | #endif // GTEST_HAS_STD_WSTRING | |
2133 | ||
1e59de90 | 2134 | typedef ::std::tuple<long, int> Tuple2; // NOLINT |
31f18b77 | 2135 | |
1e59de90 TL |
2136 | // Tests that Eq() matches a 2-tuple where the first field == the |
2137 | // second field. | |
2138 | TEST(Eq2Test, MatchesEqualArguments) { | |
2139 | Matcher<const Tuple2&> m = Eq(); | |
2140 | EXPECT_TRUE(m.Matches(Tuple2(5L, 5))); | |
2141 | EXPECT_FALSE(m.Matches(Tuple2(5L, 6))); | |
2142 | } | |
31f18b77 | 2143 | |
1e59de90 TL |
2144 | // Tests that Eq() describes itself properly. |
2145 | TEST(Eq2Test, CanDescribeSelf) { | |
2146 | Matcher<const Tuple2&> m = Eq(); | |
2147 | EXPECT_EQ("are an equal pair", Describe(m)); | |
2148 | } | |
31f18b77 | 2149 | |
1e59de90 TL |
2150 | // Tests that Ge() matches a 2-tuple where the first field >= the |
2151 | // second field. | |
2152 | TEST(Ge2Test, MatchesGreaterThanOrEqualArguments) { | |
2153 | Matcher<const Tuple2&> m = Ge(); | |
2154 | EXPECT_TRUE(m.Matches(Tuple2(5L, 4))); | |
2155 | EXPECT_TRUE(m.Matches(Tuple2(5L, 5))); | |
2156 | EXPECT_FALSE(m.Matches(Tuple2(5L, 6))); | |
31f18b77 FG |
2157 | } |
2158 | ||
1e59de90 TL |
2159 | // Tests that Ge() describes itself properly. |
2160 | TEST(Ge2Test, CanDescribeSelf) { | |
2161 | Matcher<const Tuple2&> m = Ge(); | |
2162 | EXPECT_EQ("are a pair where the first >= the second", Describe(m)); | |
2163 | } | |
31f18b77 | 2164 | |
1e59de90 TL |
2165 | // Tests that Gt() matches a 2-tuple where the first field > the |
2166 | // second field. | |
2167 | TEST(Gt2Test, MatchesGreaterThanArguments) { | |
2168 | Matcher<const Tuple2&> m = Gt(); | |
2169 | EXPECT_TRUE(m.Matches(Tuple2(5L, 4))); | |
2170 | EXPECT_FALSE(m.Matches(Tuple2(5L, 5))); | |
2171 | EXPECT_FALSE(m.Matches(Tuple2(5L, 6))); | |
2172 | } | |
31f18b77 | 2173 | |
1e59de90 TL |
2174 | // Tests that Gt() describes itself properly. |
2175 | TEST(Gt2Test, CanDescribeSelf) { | |
2176 | Matcher<const Tuple2&> m = Gt(); | |
2177 | EXPECT_EQ("are a pair where the first > the second", Describe(m)); | |
31f18b77 FG |
2178 | } |
2179 | ||
1e59de90 TL |
2180 | // Tests that Le() matches a 2-tuple where the first field <= the |
2181 | // second field. | |
2182 | TEST(Le2Test, MatchesLessThanOrEqualArguments) { | |
2183 | Matcher<const Tuple2&> m = Le(); | |
2184 | EXPECT_TRUE(m.Matches(Tuple2(5L, 6))); | |
2185 | EXPECT_TRUE(m.Matches(Tuple2(5L, 5))); | |
2186 | EXPECT_FALSE(m.Matches(Tuple2(5L, 4))); | |
2187 | } | |
31f18b77 | 2188 | |
1e59de90 TL |
2189 | // Tests that Le() describes itself properly. |
2190 | TEST(Le2Test, CanDescribeSelf) { | |
2191 | Matcher<const Tuple2&> m = Le(); | |
2192 | EXPECT_EQ("are a pair where the first <= the second", Describe(m)); | |
31f18b77 FG |
2193 | } |
2194 | ||
1e59de90 TL |
2195 | // Tests that Lt() matches a 2-tuple where the first field < the |
2196 | // second field. | |
2197 | TEST(Lt2Test, MatchesLessThanArguments) { | |
2198 | Matcher<const Tuple2&> m = Lt(); | |
2199 | EXPECT_TRUE(m.Matches(Tuple2(5L, 6))); | |
2200 | EXPECT_FALSE(m.Matches(Tuple2(5L, 5))); | |
2201 | EXPECT_FALSE(m.Matches(Tuple2(5L, 4))); | |
31f18b77 FG |
2202 | } |
2203 | ||
1e59de90 TL |
2204 | // Tests that Lt() describes itself properly. |
2205 | TEST(Lt2Test, CanDescribeSelf) { | |
2206 | Matcher<const Tuple2&> m = Lt(); | |
2207 | EXPECT_EQ("are a pair where the first < the second", Describe(m)); | |
2208 | } | |
31f18b77 | 2209 | |
1e59de90 TL |
2210 | // Tests that Ne() matches a 2-tuple where the first field != the |
2211 | // second field. | |
2212 | TEST(Ne2Test, MatchesUnequalArguments) { | |
2213 | Matcher<const Tuple2&> m = Ne(); | |
2214 | EXPECT_TRUE(m.Matches(Tuple2(5L, 6))); | |
2215 | EXPECT_TRUE(m.Matches(Tuple2(5L, 4))); | |
2216 | EXPECT_FALSE(m.Matches(Tuple2(5L, 5))); | |
31f18b77 FG |
2217 | } |
2218 | ||
1e59de90 TL |
2219 | // Tests that Ne() describes itself properly. |
2220 | TEST(Ne2Test, CanDescribeSelf) { | |
2221 | Matcher<const Tuple2&> m = Ne(); | |
2222 | EXPECT_EQ("are an unequal pair", Describe(m)); | |
2223 | } | |
31f18b77 | 2224 | |
1e59de90 TL |
2225 | TEST(PairMatchBaseTest, WorksWithMoveOnly) { |
2226 | using Pointers = std::tuple<std::unique_ptr<int>, std::unique_ptr<int>>; | |
2227 | Matcher<Pointers> matcher = Eq(); | |
2228 | Pointers pointers; | |
2229 | // Tested values don't matter; the point is that matcher does not copy the | |
2230 | // matched values. | |
2231 | EXPECT_TRUE(matcher.Matches(pointers)); | |
31f18b77 FG |
2232 | } |
2233 | ||
1e59de90 TL |
2234 | // Tests that IsNan() matches a NaN, with float. |
2235 | TEST(IsNan, FloatMatchesNan) { | |
2236 | float quiet_nan = std::numeric_limits<float>::quiet_NaN(); | |
2237 | float other_nan = std::nanf("1"); | |
2238 | float real_value = 1.0f; | |
31f18b77 | 2239 | |
1e59de90 TL |
2240 | Matcher<float> m = IsNan(); |
2241 | EXPECT_TRUE(m.Matches(quiet_nan)); | |
2242 | EXPECT_TRUE(m.Matches(other_nan)); | |
2243 | EXPECT_FALSE(m.Matches(real_value)); | |
31f18b77 | 2244 | |
1e59de90 TL |
2245 | Matcher<float&> m_ref = IsNan(); |
2246 | EXPECT_TRUE(m_ref.Matches(quiet_nan)); | |
2247 | EXPECT_TRUE(m_ref.Matches(other_nan)); | |
2248 | EXPECT_FALSE(m_ref.Matches(real_value)); | |
31f18b77 | 2249 | |
1e59de90 TL |
2250 | Matcher<const float&> m_cref = IsNan(); |
2251 | EXPECT_TRUE(m_cref.Matches(quiet_nan)); | |
2252 | EXPECT_TRUE(m_cref.Matches(other_nan)); | |
2253 | EXPECT_FALSE(m_cref.Matches(real_value)); | |
31f18b77 FG |
2254 | } |
2255 | ||
1e59de90 TL |
2256 | // Tests that IsNan() matches a NaN, with double. |
2257 | TEST(IsNan, DoubleMatchesNan) { | |
2258 | double quiet_nan = std::numeric_limits<double>::quiet_NaN(); | |
2259 | double other_nan = std::nan("1"); | |
2260 | double real_value = 1.0; | |
31f18b77 | 2261 | |
1e59de90 TL |
2262 | Matcher<double> m = IsNan(); |
2263 | EXPECT_TRUE(m.Matches(quiet_nan)); | |
2264 | EXPECT_TRUE(m.Matches(other_nan)); | |
2265 | EXPECT_FALSE(m.Matches(real_value)); | |
2266 | ||
2267 | Matcher<double&> m_ref = IsNan(); | |
2268 | EXPECT_TRUE(m_ref.Matches(quiet_nan)); | |
2269 | EXPECT_TRUE(m_ref.Matches(other_nan)); | |
2270 | EXPECT_FALSE(m_ref.Matches(real_value)); | |
31f18b77 | 2271 | |
1e59de90 TL |
2272 | Matcher<const double&> m_cref = IsNan(); |
2273 | EXPECT_TRUE(m_cref.Matches(quiet_nan)); | |
2274 | EXPECT_TRUE(m_cref.Matches(other_nan)); | |
2275 | EXPECT_FALSE(m_cref.Matches(real_value)); | |
31f18b77 FG |
2276 | } |
2277 | ||
1e59de90 TL |
2278 | // Tests that IsNan() matches a NaN, with long double. |
2279 | TEST(IsNan, LongDoubleMatchesNan) { | |
2280 | long double quiet_nan = std::numeric_limits<long double>::quiet_NaN(); | |
2281 | long double other_nan = std::nan("1"); | |
2282 | long double real_value = 1.0; | |
2283 | ||
2284 | Matcher<long double> m = IsNan(); | |
2285 | EXPECT_TRUE(m.Matches(quiet_nan)); | |
2286 | EXPECT_TRUE(m.Matches(other_nan)); | |
2287 | EXPECT_FALSE(m.Matches(real_value)); | |
31f18b77 | 2288 | |
1e59de90 TL |
2289 | Matcher<long double&> m_ref = IsNan(); |
2290 | EXPECT_TRUE(m_ref.Matches(quiet_nan)); | |
2291 | EXPECT_TRUE(m_ref.Matches(other_nan)); | |
2292 | EXPECT_FALSE(m_ref.Matches(real_value)); | |
31f18b77 | 2293 | |
1e59de90 TL |
2294 | Matcher<const long double&> m_cref = IsNan(); |
2295 | EXPECT_TRUE(m_cref.Matches(quiet_nan)); | |
2296 | EXPECT_TRUE(m_cref.Matches(other_nan)); | |
2297 | EXPECT_FALSE(m_cref.Matches(real_value)); | |
2298 | } | |
2299 | ||
2300 | // Tests that IsNan() works with Not. | |
2301 | TEST(IsNan, NotMatchesNan) { | |
2302 | Matcher<float> mf = Not(IsNan()); | |
2303 | EXPECT_FALSE(mf.Matches(std::numeric_limits<float>::quiet_NaN())); | |
2304 | EXPECT_FALSE(mf.Matches(std::nanf("1"))); | |
2305 | EXPECT_TRUE(mf.Matches(1.0)); | |
2306 | ||
2307 | Matcher<double> md = Not(IsNan()); | |
2308 | EXPECT_FALSE(md.Matches(std::numeric_limits<double>::quiet_NaN())); | |
2309 | EXPECT_FALSE(md.Matches(std::nan("1"))); | |
2310 | EXPECT_TRUE(md.Matches(1.0)); | |
31f18b77 | 2311 | |
1e59de90 TL |
2312 | Matcher<long double> mld = Not(IsNan()); |
2313 | EXPECT_FALSE(mld.Matches(std::numeric_limits<long double>::quiet_NaN())); | |
2314 | EXPECT_FALSE(mld.Matches(std::nanl("1"))); | |
2315 | EXPECT_TRUE(mld.Matches(1.0)); | |
2316 | } | |
2317 | ||
2318 | // Tests that IsNan() can describe itself. | |
2319 | TEST(IsNan, CanDescribeSelf) { | |
2320 | Matcher<float> mf = IsNan(); | |
2321 | EXPECT_EQ("is NaN", Describe(mf)); | |
2322 | ||
2323 | Matcher<double> md = IsNan(); | |
2324 | EXPECT_EQ("is NaN", Describe(md)); | |
2325 | ||
2326 | Matcher<long double> mld = IsNan(); | |
2327 | EXPECT_EQ("is NaN", Describe(mld)); | |
2328 | } | |
2329 | ||
2330 | // Tests that IsNan() can describe itself with Not. | |
2331 | TEST(IsNan, CanDescribeSelfWithNot) { | |
2332 | Matcher<float> mf = Not(IsNan()); | |
2333 | EXPECT_EQ("isn't NaN", Describe(mf)); | |
2334 | ||
2335 | Matcher<double> md = Not(IsNan()); | |
2336 | EXPECT_EQ("isn't NaN", Describe(md)); | |
2337 | ||
2338 | Matcher<long double> mld = Not(IsNan()); | |
2339 | EXPECT_EQ("isn't NaN", Describe(mld)); | |
2340 | } | |
2341 | ||
2342 | // Tests that FloatEq() matches a 2-tuple where | |
2343 | // FloatEq(first field) matches the second field. | |
2344 | TEST(FloatEq2Test, MatchesEqualArguments) { | |
2345 | typedef ::std::tuple<float, float> Tpl; | |
2346 | Matcher<const Tpl&> m = FloatEq(); | |
2347 | EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); | |
2348 | EXPECT_TRUE(m.Matches(Tpl(0.3f, 0.1f + 0.1f + 0.1f))); | |
2349 | EXPECT_FALSE(m.Matches(Tpl(1.1f, 1.0f))); | |
2350 | } | |
2351 | ||
2352 | // Tests that FloatEq() describes itself properly. | |
2353 | TEST(FloatEq2Test, CanDescribeSelf) { | |
2354 | Matcher<const ::std::tuple<float, float>&> m = FloatEq(); | |
2355 | EXPECT_EQ("are an almost-equal pair", Describe(m)); | |
2356 | } | |
2357 | ||
2358 | // Tests that NanSensitiveFloatEq() matches a 2-tuple where | |
2359 | // NanSensitiveFloatEq(first field) matches the second field. | |
2360 | TEST(NanSensitiveFloatEqTest, MatchesEqualArgumentsWithNaN) { | |
2361 | typedef ::std::tuple<float, float> Tpl; | |
2362 | Matcher<const Tpl&> m = NanSensitiveFloatEq(); | |
2363 | EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); | |
2364 | EXPECT_TRUE(m.Matches(Tpl(std::numeric_limits<float>::quiet_NaN(), | |
2365 | std::numeric_limits<float>::quiet_NaN()))); | |
2366 | EXPECT_FALSE(m.Matches(Tpl(1.1f, 1.0f))); | |
2367 | EXPECT_FALSE(m.Matches(Tpl(1.0f, std::numeric_limits<float>::quiet_NaN()))); | |
2368 | EXPECT_FALSE(m.Matches(Tpl(std::numeric_limits<float>::quiet_NaN(), 1.0f))); | |
2369 | } | |
2370 | ||
2371 | // Tests that NanSensitiveFloatEq() describes itself properly. | |
2372 | TEST(NanSensitiveFloatEqTest, CanDescribeSelfWithNaNs) { | |
2373 | Matcher<const ::std::tuple<float, float>&> m = NanSensitiveFloatEq(); | |
2374 | EXPECT_EQ("are an almost-equal pair", Describe(m)); | |
2375 | } | |
2376 | ||
2377 | // Tests that DoubleEq() matches a 2-tuple where | |
2378 | // DoubleEq(first field) matches the second field. | |
2379 | TEST(DoubleEq2Test, MatchesEqualArguments) { | |
2380 | typedef ::std::tuple<double, double> Tpl; | |
2381 | Matcher<const Tpl&> m = DoubleEq(); | |
2382 | EXPECT_TRUE(m.Matches(Tpl(1.0, 1.0))); | |
2383 | EXPECT_TRUE(m.Matches(Tpl(0.3, 0.1 + 0.1 + 0.1))); | |
2384 | EXPECT_FALSE(m.Matches(Tpl(1.1, 1.0))); | |
2385 | } | |
2386 | ||
2387 | // Tests that DoubleEq() describes itself properly. | |
2388 | TEST(DoubleEq2Test, CanDescribeSelf) { | |
2389 | Matcher<const ::std::tuple<double, double>&> m = DoubleEq(); | |
2390 | EXPECT_EQ("are an almost-equal pair", Describe(m)); | |
2391 | } | |
2392 | ||
2393 | // Tests that NanSensitiveDoubleEq() matches a 2-tuple where | |
2394 | // NanSensitiveDoubleEq(first field) matches the second field. | |
2395 | TEST(NanSensitiveDoubleEqTest, MatchesEqualArgumentsWithNaN) { | |
2396 | typedef ::std::tuple<double, double> Tpl; | |
2397 | Matcher<const Tpl&> m = NanSensitiveDoubleEq(); | |
2398 | EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); | |
2399 | EXPECT_TRUE(m.Matches(Tpl(std::numeric_limits<double>::quiet_NaN(), | |
2400 | std::numeric_limits<double>::quiet_NaN()))); | |
2401 | EXPECT_FALSE(m.Matches(Tpl(1.1f, 1.0f))); | |
2402 | EXPECT_FALSE(m.Matches(Tpl(1.0f, std::numeric_limits<double>::quiet_NaN()))); | |
2403 | EXPECT_FALSE(m.Matches(Tpl(std::numeric_limits<double>::quiet_NaN(), 1.0f))); | |
2404 | } | |
31f18b77 | 2405 | |
1e59de90 TL |
2406 | // Tests that DoubleEq() describes itself properly. |
2407 | TEST(NanSensitiveDoubleEqTest, CanDescribeSelfWithNaNs) { | |
2408 | Matcher<const ::std::tuple<double, double>&> m = NanSensitiveDoubleEq(); | |
2409 | EXPECT_EQ("are an almost-equal pair", Describe(m)); | |
31f18b77 FG |
2410 | } |
2411 | ||
1e59de90 TL |
2412 | // Tests that FloatEq() matches a 2-tuple where |
2413 | // FloatNear(first field, max_abs_error) matches the second field. | |
2414 | TEST(FloatNear2Test, MatchesEqualArguments) { | |
2415 | typedef ::std::tuple<float, float> Tpl; | |
2416 | Matcher<const Tpl&> m = FloatNear(0.5f); | |
2417 | EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); | |
2418 | EXPECT_TRUE(m.Matches(Tpl(1.3f, 1.0f))); | |
2419 | EXPECT_FALSE(m.Matches(Tpl(1.8f, 1.0f))); | |
2420 | } | |
31f18b77 | 2421 | |
1e59de90 TL |
2422 | // Tests that FloatNear() describes itself properly. |
2423 | TEST(FloatNear2Test, CanDescribeSelf) { | |
2424 | Matcher<const ::std::tuple<float, float>&> m = FloatNear(0.5f); | |
2425 | EXPECT_EQ("are an almost-equal pair", Describe(m)); | |
2426 | } | |
2427 | ||
2428 | // Tests that NanSensitiveFloatNear() matches a 2-tuple where | |
2429 | // NanSensitiveFloatNear(first field) matches the second field. | |
2430 | TEST(NanSensitiveFloatNearTest, MatchesNearbyArgumentsWithNaN) { | |
2431 | typedef ::std::tuple<float, float> Tpl; | |
2432 | Matcher<const Tpl&> m = NanSensitiveFloatNear(0.5f); | |
2433 | EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); | |
2434 | EXPECT_TRUE(m.Matches(Tpl(1.1f, 1.0f))); | |
2435 | EXPECT_TRUE(m.Matches(Tpl(std::numeric_limits<float>::quiet_NaN(), | |
2436 | std::numeric_limits<float>::quiet_NaN()))); | |
2437 | EXPECT_FALSE(m.Matches(Tpl(1.6f, 1.0f))); | |
2438 | EXPECT_FALSE(m.Matches(Tpl(1.0f, std::numeric_limits<float>::quiet_NaN()))); | |
2439 | EXPECT_FALSE(m.Matches(Tpl(std::numeric_limits<float>::quiet_NaN(), 1.0f))); | |
2440 | } | |
2441 | ||
2442 | // Tests that NanSensitiveFloatNear() describes itself properly. | |
2443 | TEST(NanSensitiveFloatNearTest, CanDescribeSelfWithNaNs) { | |
2444 | Matcher<const ::std::tuple<float, float>&> m = NanSensitiveFloatNear(0.5f); | |
2445 | EXPECT_EQ("are an almost-equal pair", Describe(m)); | |
2446 | } | |
2447 | ||
2448 | // Tests that FloatEq() matches a 2-tuple where | |
2449 | // DoubleNear(first field, max_abs_error) matches the second field. | |
2450 | TEST(DoubleNear2Test, MatchesEqualArguments) { | |
2451 | typedef ::std::tuple<double, double> Tpl; | |
2452 | Matcher<const Tpl&> m = DoubleNear(0.5); | |
2453 | EXPECT_TRUE(m.Matches(Tpl(1.0, 1.0))); | |
2454 | EXPECT_TRUE(m.Matches(Tpl(1.3, 1.0))); | |
2455 | EXPECT_FALSE(m.Matches(Tpl(1.8, 1.0))); | |
2456 | } | |
2457 | ||
2458 | // Tests that DoubleNear() describes itself properly. | |
2459 | TEST(DoubleNear2Test, CanDescribeSelf) { | |
2460 | Matcher<const ::std::tuple<double, double>&> m = DoubleNear(0.5); | |
2461 | EXPECT_EQ("are an almost-equal pair", Describe(m)); | |
2462 | } | |
2463 | ||
2464 | // Tests that NanSensitiveDoubleNear() matches a 2-tuple where | |
2465 | // NanSensitiveDoubleNear(first field) matches the second field. | |
2466 | TEST(NanSensitiveDoubleNearTest, MatchesNearbyArgumentsWithNaN) { | |
2467 | typedef ::std::tuple<double, double> Tpl; | |
2468 | Matcher<const Tpl&> m = NanSensitiveDoubleNear(0.5f); | |
2469 | EXPECT_TRUE(m.Matches(Tpl(1.0f, 1.0f))); | |
2470 | EXPECT_TRUE(m.Matches(Tpl(1.1f, 1.0f))); | |
2471 | EXPECT_TRUE(m.Matches(Tpl(std::numeric_limits<double>::quiet_NaN(), | |
2472 | std::numeric_limits<double>::quiet_NaN()))); | |
2473 | EXPECT_FALSE(m.Matches(Tpl(1.6f, 1.0f))); | |
2474 | EXPECT_FALSE(m.Matches(Tpl(1.0f, std::numeric_limits<double>::quiet_NaN()))); | |
2475 | EXPECT_FALSE(m.Matches(Tpl(std::numeric_limits<double>::quiet_NaN(), 1.0f))); | |
2476 | } | |
2477 | ||
2478 | // Tests that NanSensitiveDoubleNear() describes itself properly. | |
2479 | TEST(NanSensitiveDoubleNearTest, CanDescribeSelfWithNaNs) { | |
2480 | Matcher<const ::std::tuple<double, double>&> m = NanSensitiveDoubleNear(0.5f); | |
2481 | EXPECT_EQ("are an almost-equal pair", Describe(m)); | |
31f18b77 FG |
2482 | } |
2483 | ||
2484 | // Tests that Not(m) matches any value that doesn't match m. | |
2485 | TEST(NotTest, NegatesMatcher) { | |
2486 | Matcher<int> m; | |
2487 | m = Not(Eq(2)); | |
2488 | EXPECT_TRUE(m.Matches(3)); | |
2489 | EXPECT_FALSE(m.Matches(2)); | |
2490 | } | |
2491 | ||
2492 | // Tests that Not(m) describes itself properly. | |
2493 | TEST(NotTest, CanDescribeSelf) { | |
2494 | Matcher<int> m = Not(Eq(5)); | |
2495 | EXPECT_EQ("isn't equal to 5", Describe(m)); | |
2496 | } | |
2497 | ||
2498 | // Tests that monomorphic matchers are safely cast by the Not matcher. | |
2499 | TEST(NotTest, NotMatcherSafelyCastsMonomorphicMatchers) { | |
2500 | // greater_than_5 is a monomorphic matcher. | |
2501 | Matcher<int> greater_than_5 = Gt(5); | |
2502 | ||
2503 | Matcher<const int&> m = Not(greater_than_5); | |
2504 | Matcher<int&> m2 = Not(greater_than_5); | |
2505 | Matcher<int&> m3 = Not(m); | |
2506 | } | |
2507 | ||
2508 | // Helper to allow easy testing of AllOf matchers with num parameters. | |
2509 | void AllOfMatches(int num, const Matcher<int>& m) { | |
2510 | SCOPED_TRACE(Describe(m)); | |
2511 | EXPECT_TRUE(m.Matches(0)); | |
2512 | for (int i = 1; i <= num; ++i) { | |
2513 | EXPECT_FALSE(m.Matches(i)); | |
2514 | } | |
2515 | EXPECT_TRUE(m.Matches(num + 1)); | |
2516 | } | |
2517 | ||
2518 | // Tests that AllOf(m1, ..., mn) matches any value that matches all of | |
2519 | // the given matchers. | |
2520 | TEST(AllOfTest, MatchesWhenAllMatch) { | |
2521 | Matcher<int> m; | |
2522 | m = AllOf(Le(2), Ge(1)); | |
2523 | EXPECT_TRUE(m.Matches(1)); | |
2524 | EXPECT_TRUE(m.Matches(2)); | |
2525 | EXPECT_FALSE(m.Matches(0)); | |
2526 | EXPECT_FALSE(m.Matches(3)); | |
2527 | ||
2528 | m = AllOf(Gt(0), Ne(1), Ne(2)); | |
2529 | EXPECT_TRUE(m.Matches(3)); | |
2530 | EXPECT_FALSE(m.Matches(2)); | |
2531 | EXPECT_FALSE(m.Matches(1)); | |
2532 | EXPECT_FALSE(m.Matches(0)); | |
2533 | ||
2534 | m = AllOf(Gt(0), Ne(1), Ne(2), Ne(3)); | |
2535 | EXPECT_TRUE(m.Matches(4)); | |
2536 | EXPECT_FALSE(m.Matches(3)); | |
2537 | EXPECT_FALSE(m.Matches(2)); | |
2538 | EXPECT_FALSE(m.Matches(1)); | |
2539 | EXPECT_FALSE(m.Matches(0)); | |
2540 | ||
2541 | m = AllOf(Ge(0), Lt(10), Ne(3), Ne(5), Ne(7)); | |
2542 | EXPECT_TRUE(m.Matches(0)); | |
2543 | EXPECT_TRUE(m.Matches(1)); | |
2544 | EXPECT_FALSE(m.Matches(3)); | |
2545 | ||
2546 | // The following tests for varying number of sub-matchers. Due to the way | |
2547 | // the sub-matchers are handled it is enough to test every sub-matcher once | |
2548 | // with sub-matchers using the same matcher type. Varying matcher types are | |
2549 | // checked for above. | |
2550 | AllOfMatches(2, AllOf(Ne(1), Ne(2))); | |
2551 | AllOfMatches(3, AllOf(Ne(1), Ne(2), Ne(3))); | |
2552 | AllOfMatches(4, AllOf(Ne(1), Ne(2), Ne(3), Ne(4))); | |
2553 | AllOfMatches(5, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5))); | |
2554 | AllOfMatches(6, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6))); | |
2555 | AllOfMatches(7, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7))); | |
2556 | AllOfMatches(8, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), | |
2557 | Ne(8))); | |
2558 | AllOfMatches(9, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), | |
2559 | Ne(8), Ne(9))); | |
2560 | AllOfMatches(10, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), Ne(8), | |
2561 | Ne(9), Ne(10))); | |
1e59de90 TL |
2562 | AllOfMatches( |
2563 | 50, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), Ne(8), Ne(9), | |
2564 | Ne(10), Ne(11), Ne(12), Ne(13), Ne(14), Ne(15), Ne(16), Ne(17), | |
2565 | Ne(18), Ne(19), Ne(20), Ne(21), Ne(22), Ne(23), Ne(24), Ne(25), | |
2566 | Ne(26), Ne(27), Ne(28), Ne(29), Ne(30), Ne(31), Ne(32), Ne(33), | |
2567 | Ne(34), Ne(35), Ne(36), Ne(37), Ne(38), Ne(39), Ne(40), Ne(41), | |
2568 | Ne(42), Ne(43), Ne(44), Ne(45), Ne(46), Ne(47), Ne(48), Ne(49), | |
2569 | Ne(50))); | |
31f18b77 FG |
2570 | } |
2571 | ||
31f18b77 FG |
2572 | |
2573 | // Tests that AllOf(m1, ..., mn) describes itself properly. | |
2574 | TEST(AllOfTest, CanDescribeSelf) { | |
2575 | Matcher<int> m; | |
2576 | m = AllOf(Le(2), Ge(1)); | |
2577 | EXPECT_EQ("(is <= 2) and (is >= 1)", Describe(m)); | |
2578 | ||
2579 | m = AllOf(Gt(0), Ne(1), Ne(2)); | |
1e59de90 TL |
2580 | std::string expected_descr1 = |
2581 | "(is > 0) and (isn't equal to 1) and (isn't equal to 2)"; | |
2582 | EXPECT_EQ(expected_descr1, Describe(m)); | |
31f18b77 FG |
2583 | |
2584 | m = AllOf(Gt(0), Ne(1), Ne(2), Ne(3)); | |
1e59de90 TL |
2585 | std::string expected_descr2 = |
2586 | "(is > 0) and (isn't equal to 1) and (isn't equal to 2) and (isn't equal " | |
2587 | "to 3)"; | |
2588 | EXPECT_EQ(expected_descr2, Describe(m)); | |
31f18b77 FG |
2589 | |
2590 | m = AllOf(Ge(0), Lt(10), Ne(3), Ne(5), Ne(7)); | |
1e59de90 TL |
2591 | std::string expected_descr3 = |
2592 | "(is >= 0) and (is < 10) and (isn't equal to 3) and (isn't equal to 5) " | |
2593 | "and (isn't equal to 7)"; | |
2594 | EXPECT_EQ(expected_descr3, Describe(m)); | |
31f18b77 FG |
2595 | } |
2596 | ||
2597 | // Tests that AllOf(m1, ..., mn) describes its negation properly. | |
2598 | TEST(AllOfTest, CanDescribeNegation) { | |
2599 | Matcher<int> m; | |
2600 | m = AllOf(Le(2), Ge(1)); | |
1e59de90 TL |
2601 | std::string expected_descr4 = "(isn't <= 2) or (isn't >= 1)"; |
2602 | EXPECT_EQ(expected_descr4, DescribeNegation(m)); | |
31f18b77 FG |
2603 | |
2604 | m = AllOf(Gt(0), Ne(1), Ne(2)); | |
1e59de90 TL |
2605 | std::string expected_descr5 = |
2606 | "(isn't > 0) or (is equal to 1) or (is equal to 2)"; | |
2607 | EXPECT_EQ(expected_descr5, DescribeNegation(m)); | |
31f18b77 FG |
2608 | |
2609 | m = AllOf(Gt(0), Ne(1), Ne(2), Ne(3)); | |
1e59de90 TL |
2610 | std::string expected_descr6 = |
2611 | "(isn't > 0) or (is equal to 1) or (is equal to 2) or (is equal to 3)"; | |
2612 | EXPECT_EQ(expected_descr6, DescribeNegation(m)); | |
31f18b77 FG |
2613 | |
2614 | m = AllOf(Ge(0), Lt(10), Ne(3), Ne(5), Ne(7)); | |
1e59de90 TL |
2615 | std::string expected_desr7 = |
2616 | "(isn't >= 0) or (isn't < 10) or (is equal to 3) or (is equal to 5) or " | |
2617 | "(is equal to 7)"; | |
2618 | EXPECT_EQ(expected_desr7, DescribeNegation(m)); | |
2619 | ||
2620 | m = AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), Ne(8), Ne(9), | |
2621 | Ne(10), Ne(11)); | |
2622 | AllOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11); | |
2623 | EXPECT_THAT(Describe(m), EndsWith("and (isn't equal to 11)")); | |
2624 | AllOfMatches(11, m); | |
31f18b77 FG |
2625 | } |
2626 | ||
2627 | // Tests that monomorphic matchers are safely cast by the AllOf matcher. | |
2628 | TEST(AllOfTest, AllOfMatcherSafelyCastsMonomorphicMatchers) { | |
2629 | // greater_than_5 and less_than_10 are monomorphic matchers. | |
2630 | Matcher<int> greater_than_5 = Gt(5); | |
2631 | Matcher<int> less_than_10 = Lt(10); | |
2632 | ||
2633 | Matcher<const int&> m = AllOf(greater_than_5, less_than_10); | |
2634 | Matcher<int&> m2 = AllOf(greater_than_5, less_than_10); | |
2635 | Matcher<int&> m3 = AllOf(greater_than_5, m2); | |
2636 | ||
2637 | // Tests that BothOf works when composing itself. | |
2638 | Matcher<const int&> m4 = AllOf(greater_than_5, less_than_10, less_than_10); | |
2639 | Matcher<int&> m5 = AllOf(greater_than_5, less_than_10, less_than_10); | |
2640 | } | |
2641 | ||
2642 | TEST(AllOfTest, ExplainsResult) { | |
2643 | Matcher<int> m; | |
2644 | ||
2645 | // Successful match. Both matchers need to explain. The second | |
2646 | // matcher doesn't give an explanation, so only the first matcher's | |
2647 | // explanation is printed. | |
2648 | m = AllOf(GreaterThan(10), Lt(30)); | |
2649 | EXPECT_EQ("which is 15 more than 10", Explain(m, 25)); | |
2650 | ||
2651 | // Successful match. Both matchers need to explain. | |
2652 | m = AllOf(GreaterThan(10), GreaterThan(20)); | |
2653 | EXPECT_EQ("which is 20 more than 10, and which is 10 more than 20", | |
2654 | Explain(m, 30)); | |
2655 | ||
2656 | // Successful match. All matchers need to explain. The second | |
2657 | // matcher doesn't given an explanation. | |
2658 | m = AllOf(GreaterThan(10), Lt(30), GreaterThan(20)); | |
2659 | EXPECT_EQ("which is 15 more than 10, and which is 5 more than 20", | |
2660 | Explain(m, 25)); | |
2661 | ||
2662 | // Successful match. All matchers need to explain. | |
2663 | m = AllOf(GreaterThan(10), GreaterThan(20), GreaterThan(30)); | |
2664 | EXPECT_EQ("which is 30 more than 10, and which is 20 more than 20, " | |
2665 | "and which is 10 more than 30", | |
2666 | Explain(m, 40)); | |
2667 | ||
2668 | // Failed match. The first matcher, which failed, needs to | |
2669 | // explain. | |
2670 | m = AllOf(GreaterThan(10), GreaterThan(20)); | |
2671 | EXPECT_EQ("which is 5 less than 10", Explain(m, 5)); | |
2672 | ||
2673 | // Failed match. The second matcher, which failed, needs to | |
2674 | // explain. Since it doesn't given an explanation, nothing is | |
2675 | // printed. | |
2676 | m = AllOf(GreaterThan(10), Lt(30)); | |
2677 | EXPECT_EQ("", Explain(m, 40)); | |
2678 | ||
2679 | // Failed match. The second matcher, which failed, needs to | |
2680 | // explain. | |
2681 | m = AllOf(GreaterThan(10), GreaterThan(20)); | |
2682 | EXPECT_EQ("which is 5 less than 20", Explain(m, 15)); | |
2683 | } | |
2684 | ||
2685 | // Helper to allow easy testing of AnyOf matchers with num parameters. | |
1e59de90 | 2686 | static void AnyOfMatches(int num, const Matcher<int>& m) { |
31f18b77 FG |
2687 | SCOPED_TRACE(Describe(m)); |
2688 | EXPECT_FALSE(m.Matches(0)); | |
2689 | for (int i = 1; i <= num; ++i) { | |
2690 | EXPECT_TRUE(m.Matches(i)); | |
2691 | } | |
2692 | EXPECT_FALSE(m.Matches(num + 1)); | |
2693 | } | |
2694 | ||
1e59de90 TL |
2695 | static void AnyOfStringMatches(int num, const Matcher<std::string>& m) { |
2696 | SCOPED_TRACE(Describe(m)); | |
2697 | EXPECT_FALSE(m.Matches(std::to_string(0))); | |
2698 | ||
2699 | for (int i = 1; i <= num; ++i) { | |
2700 | EXPECT_TRUE(m.Matches(std::to_string(i))); | |
2701 | } | |
2702 | EXPECT_FALSE(m.Matches(std::to_string(num + 1))); | |
2703 | } | |
2704 | ||
31f18b77 FG |
2705 | // Tests that AnyOf(m1, ..., mn) matches any value that matches at |
2706 | // least one of the given matchers. | |
2707 | TEST(AnyOfTest, MatchesWhenAnyMatches) { | |
2708 | Matcher<int> m; | |
2709 | m = AnyOf(Le(1), Ge(3)); | |
2710 | EXPECT_TRUE(m.Matches(1)); | |
2711 | EXPECT_TRUE(m.Matches(4)); | |
2712 | EXPECT_FALSE(m.Matches(2)); | |
2713 | ||
2714 | m = AnyOf(Lt(0), Eq(1), Eq(2)); | |
2715 | EXPECT_TRUE(m.Matches(-1)); | |
2716 | EXPECT_TRUE(m.Matches(1)); | |
2717 | EXPECT_TRUE(m.Matches(2)); | |
2718 | EXPECT_FALSE(m.Matches(0)); | |
2719 | ||
2720 | m = AnyOf(Lt(0), Eq(1), Eq(2), Eq(3)); | |
2721 | EXPECT_TRUE(m.Matches(-1)); | |
2722 | EXPECT_TRUE(m.Matches(1)); | |
2723 | EXPECT_TRUE(m.Matches(2)); | |
2724 | EXPECT_TRUE(m.Matches(3)); | |
2725 | EXPECT_FALSE(m.Matches(0)); | |
2726 | ||
2727 | m = AnyOf(Le(0), Gt(10), 3, 5, 7); | |
2728 | EXPECT_TRUE(m.Matches(0)); | |
2729 | EXPECT_TRUE(m.Matches(11)); | |
2730 | EXPECT_TRUE(m.Matches(3)); | |
2731 | EXPECT_FALSE(m.Matches(2)); | |
2732 | ||
2733 | // The following tests for varying number of sub-matchers. Due to the way | |
2734 | // the sub-matchers are handled it is enough to test every sub-matcher once | |
2735 | // with sub-matchers using the same matcher type. Varying matcher types are | |
2736 | // checked for above. | |
2737 | AnyOfMatches(2, AnyOf(1, 2)); | |
2738 | AnyOfMatches(3, AnyOf(1, 2, 3)); | |
2739 | AnyOfMatches(4, AnyOf(1, 2, 3, 4)); | |
2740 | AnyOfMatches(5, AnyOf(1, 2, 3, 4, 5)); | |
2741 | AnyOfMatches(6, AnyOf(1, 2, 3, 4, 5, 6)); | |
2742 | AnyOfMatches(7, AnyOf(1, 2, 3, 4, 5, 6, 7)); | |
2743 | AnyOfMatches(8, AnyOf(1, 2, 3, 4, 5, 6, 7, 8)); | |
2744 | AnyOfMatches(9, AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9)); | |
2745 | AnyOfMatches(10, AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)); | |
2746 | } | |
2747 | ||
31f18b77 FG |
2748 | // Tests the variadic version of the AnyOfMatcher. |
2749 | TEST(AnyOfTest, VariadicMatchesWhenAnyMatches) { | |
2750 | // Also make sure AnyOf is defined in the right namespace and does not depend | |
2751 | // on ADL. | |
2752 | Matcher<int> m = ::testing::AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11); | |
2753 | ||
1e59de90 | 2754 | EXPECT_THAT(Describe(m), EndsWith("or (is equal to 11)")); |
31f18b77 FG |
2755 | AnyOfMatches(11, m); |
2756 | AnyOfMatches(50, AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, | |
2757 | 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, | |
2758 | 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, | |
2759 | 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
2760 | 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)); | |
1e59de90 TL |
2761 | AnyOfStringMatches( |
2762 | 50, AnyOf("1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", | |
2763 | "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", | |
2764 | "23", "24", "25", "26", "27", "28", "29", "30", "31", "32", | |
2765 | "33", "34", "35", "36", "37", "38", "39", "40", "41", "42", | |
2766 | "43", "44", "45", "46", "47", "48", "49", "50")); | |
2767 | } | |
2768 | ||
2769 | // Tests the variadic version of the ElementsAreMatcher | |
2770 | TEST(ElementsAreTest, HugeMatcher) { | |
2771 | vector<int> test_vector{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}; | |
2772 | ||
2773 | EXPECT_THAT(test_vector, | |
2774 | ElementsAre(Eq(1), Eq(2), Lt(13), Eq(4), Eq(5), Eq(6), Eq(7), | |
2775 | Eq(8), Eq(9), Eq(10), Gt(1), Eq(12))); | |
2776 | } | |
2777 | ||
2778 | // Tests the variadic version of the UnorderedElementsAreMatcher | |
2779 | TEST(ElementsAreTest, HugeMatcherStr) { | |
2780 | vector<std::string> test_vector{ | |
2781 | "literal_string", "", "", "", "", "", "", "", "", "", "", ""}; | |
2782 | ||
2783 | EXPECT_THAT(test_vector, UnorderedElementsAre("literal_string", _, _, _, _, _, | |
2784 | _, _, _, _, _, _)); | |
2785 | } | |
2786 | ||
2787 | // Tests the variadic version of the UnorderedElementsAreMatcher | |
2788 | TEST(ElementsAreTest, HugeMatcherUnordered) { | |
2789 | vector<int> test_vector{2, 1, 8, 5, 4, 6, 7, 3, 9, 12, 11, 10}; | |
2790 | ||
2791 | EXPECT_THAT(test_vector, UnorderedElementsAre( | |
2792 | Eq(2), Eq(1), Gt(7), Eq(5), Eq(4), Eq(6), Eq(7), | |
2793 | Eq(3), Eq(9), Eq(12), Eq(11), Ne(122))); | |
31f18b77 FG |
2794 | } |
2795 | ||
31f18b77 FG |
2796 | |
2797 | // Tests that AnyOf(m1, ..., mn) describes itself properly. | |
2798 | TEST(AnyOfTest, CanDescribeSelf) { | |
2799 | Matcher<int> m; | |
2800 | m = AnyOf(Le(1), Ge(3)); | |
1e59de90 | 2801 | |
31f18b77 FG |
2802 | EXPECT_EQ("(is <= 1) or (is >= 3)", |
2803 | Describe(m)); | |
2804 | ||
2805 | m = AnyOf(Lt(0), Eq(1), Eq(2)); | |
1e59de90 | 2806 | EXPECT_EQ("(is < 0) or (is equal to 1) or (is equal to 2)", Describe(m)); |
31f18b77 FG |
2807 | |
2808 | m = AnyOf(Lt(0), Eq(1), Eq(2), Eq(3)); | |
1e59de90 | 2809 | EXPECT_EQ("(is < 0) or (is equal to 1) or (is equal to 2) or (is equal to 3)", |
31f18b77 FG |
2810 | Describe(m)); |
2811 | ||
2812 | m = AnyOf(Le(0), Gt(10), 3, 5, 7); | |
1e59de90 TL |
2813 | EXPECT_EQ( |
2814 | "(is <= 0) or (is > 10) or (is equal to 3) or (is equal to 5) or (is " | |
2815 | "equal to 7)", | |
2816 | Describe(m)); | |
31f18b77 FG |
2817 | } |
2818 | ||
2819 | // Tests that AnyOf(m1, ..., mn) describes its negation properly. | |
2820 | TEST(AnyOfTest, CanDescribeNegation) { | |
2821 | Matcher<int> m; | |
2822 | m = AnyOf(Le(1), Ge(3)); | |
2823 | EXPECT_EQ("(isn't <= 1) and (isn't >= 3)", | |
2824 | DescribeNegation(m)); | |
2825 | ||
2826 | m = AnyOf(Lt(0), Eq(1), Eq(2)); | |
1e59de90 | 2827 | EXPECT_EQ("(isn't < 0) and (isn't equal to 1) and (isn't equal to 2)", |
31f18b77 FG |
2828 | DescribeNegation(m)); |
2829 | ||
2830 | m = AnyOf(Lt(0), Eq(1), Eq(2), Eq(3)); | |
1e59de90 TL |
2831 | EXPECT_EQ( |
2832 | "(isn't < 0) and (isn't equal to 1) and (isn't equal to 2) and (isn't " | |
2833 | "equal to 3)", | |
2834 | DescribeNegation(m)); | |
31f18b77 FG |
2835 | |
2836 | m = AnyOf(Le(0), Gt(10), 3, 5, 7); | |
1e59de90 TL |
2837 | EXPECT_EQ( |
2838 | "(isn't <= 0) and (isn't > 10) and (isn't equal to 3) and (isn't equal " | |
2839 | "to 5) and (isn't equal to 7)", | |
2840 | DescribeNegation(m)); | |
31f18b77 FG |
2841 | } |
2842 | ||
2843 | // Tests that monomorphic matchers are safely cast by the AnyOf matcher. | |
2844 | TEST(AnyOfTest, AnyOfMatcherSafelyCastsMonomorphicMatchers) { | |
2845 | // greater_than_5 and less_than_10 are monomorphic matchers. | |
2846 | Matcher<int> greater_than_5 = Gt(5); | |
2847 | Matcher<int> less_than_10 = Lt(10); | |
2848 | ||
2849 | Matcher<const int&> m = AnyOf(greater_than_5, less_than_10); | |
2850 | Matcher<int&> m2 = AnyOf(greater_than_5, less_than_10); | |
2851 | Matcher<int&> m3 = AnyOf(greater_than_5, m2); | |
2852 | ||
2853 | // Tests that EitherOf works when composing itself. | |
2854 | Matcher<const int&> m4 = AnyOf(greater_than_5, less_than_10, less_than_10); | |
2855 | Matcher<int&> m5 = AnyOf(greater_than_5, less_than_10, less_than_10); | |
2856 | } | |
2857 | ||
2858 | TEST(AnyOfTest, ExplainsResult) { | |
2859 | Matcher<int> m; | |
2860 | ||
2861 | // Failed match. Both matchers need to explain. The second | |
2862 | // matcher doesn't give an explanation, so only the first matcher's | |
2863 | // explanation is printed. | |
2864 | m = AnyOf(GreaterThan(10), Lt(0)); | |
2865 | EXPECT_EQ("which is 5 less than 10", Explain(m, 5)); | |
2866 | ||
2867 | // Failed match. Both matchers need to explain. | |
2868 | m = AnyOf(GreaterThan(10), GreaterThan(20)); | |
2869 | EXPECT_EQ("which is 5 less than 10, and which is 15 less than 20", | |
2870 | Explain(m, 5)); | |
2871 | ||
2872 | // Failed match. All matchers need to explain. The second | |
2873 | // matcher doesn't given an explanation. | |
2874 | m = AnyOf(GreaterThan(10), Gt(20), GreaterThan(30)); | |
2875 | EXPECT_EQ("which is 5 less than 10, and which is 25 less than 30", | |
2876 | Explain(m, 5)); | |
2877 | ||
2878 | // Failed match. All matchers need to explain. | |
2879 | m = AnyOf(GreaterThan(10), GreaterThan(20), GreaterThan(30)); | |
2880 | EXPECT_EQ("which is 5 less than 10, and which is 15 less than 20, " | |
2881 | "and which is 25 less than 30", | |
2882 | Explain(m, 5)); | |
2883 | ||
2884 | // Successful match. The first matcher, which succeeded, needs to | |
2885 | // explain. | |
2886 | m = AnyOf(GreaterThan(10), GreaterThan(20)); | |
2887 | EXPECT_EQ("which is 5 more than 10", Explain(m, 15)); | |
2888 | ||
2889 | // Successful match. The second matcher, which succeeded, needs to | |
2890 | // explain. Since it doesn't given an explanation, nothing is | |
2891 | // printed. | |
2892 | m = AnyOf(GreaterThan(10), Lt(30)); | |
2893 | EXPECT_EQ("", Explain(m, 0)); | |
2894 | ||
2895 | // Successful match. The second matcher, which succeeded, needs to | |
2896 | // explain. | |
2897 | m = AnyOf(GreaterThan(30), GreaterThan(20)); | |
2898 | EXPECT_EQ("which is 5 more than 20", Explain(m, 25)); | |
2899 | } | |
2900 | ||
2901 | // The following predicate function and predicate functor are for | |
2902 | // testing the Truly(predicate) matcher. | |
2903 | ||
2904 | // Returns non-zero if the input is positive. Note that the return | |
2905 | // type of this function is not bool. It's OK as Truly() accepts any | |
2906 | // unary function or functor whose return type can be implicitly | |
2907 | // converted to bool. | |
2908 | int IsPositive(double x) { | |
2909 | return x > 0 ? 1 : 0; | |
2910 | } | |
2911 | ||
2912 | // This functor returns true if the input is greater than the given | |
2913 | // number. | |
2914 | class IsGreaterThan { | |
2915 | public: | |
2916 | explicit IsGreaterThan(int threshold) : threshold_(threshold) {} | |
2917 | ||
2918 | bool operator()(int n) const { return n > threshold_; } | |
2919 | ||
2920 | private: | |
2921 | int threshold_; | |
2922 | }; | |
2923 | ||
2924 | // For testing Truly(). | |
2925 | const int foo = 0; | |
2926 | ||
1e59de90 TL |
2927 | // This predicate returns true if and only if the argument references foo and |
2928 | // has a zero value. | |
31f18b77 FG |
2929 | bool ReferencesFooAndIsZero(const int& n) { |
2930 | return (&n == &foo) && (n == 0); | |
2931 | } | |
2932 | ||
2933 | // Tests that Truly(predicate) matches what satisfies the given | |
2934 | // predicate. | |
2935 | TEST(TrulyTest, MatchesWhatSatisfiesThePredicate) { | |
2936 | Matcher<double> m = Truly(IsPositive); | |
2937 | EXPECT_TRUE(m.Matches(2.0)); | |
2938 | EXPECT_FALSE(m.Matches(-1.5)); | |
2939 | } | |
2940 | ||
2941 | // Tests that Truly(predicate_functor) works too. | |
2942 | TEST(TrulyTest, CanBeUsedWithFunctor) { | |
2943 | Matcher<int> m = Truly(IsGreaterThan(5)); | |
2944 | EXPECT_TRUE(m.Matches(6)); | |
2945 | EXPECT_FALSE(m.Matches(4)); | |
2946 | } | |
2947 | ||
2948 | // A class that can be implicitly converted to bool. | |
2949 | class ConvertibleToBool { | |
2950 | public: | |
2951 | explicit ConvertibleToBool(int number) : number_(number) {} | |
2952 | operator bool() const { return number_ != 0; } | |
2953 | ||
2954 | private: | |
2955 | int number_; | |
2956 | }; | |
2957 | ||
2958 | ConvertibleToBool IsNotZero(int number) { | |
2959 | return ConvertibleToBool(number); | |
2960 | } | |
2961 | ||
2962 | // Tests that the predicate used in Truly() may return a class that's | |
2963 | // implicitly convertible to bool, even when the class has no | |
2964 | // operator!(). | |
2965 | TEST(TrulyTest, PredicateCanReturnAClassConvertibleToBool) { | |
2966 | Matcher<int> m = Truly(IsNotZero); | |
2967 | EXPECT_TRUE(m.Matches(1)); | |
2968 | EXPECT_FALSE(m.Matches(0)); | |
2969 | } | |
2970 | ||
2971 | // Tests that Truly(predicate) can describe itself properly. | |
2972 | TEST(TrulyTest, CanDescribeSelf) { | |
2973 | Matcher<double> m = Truly(IsPositive); | |
2974 | EXPECT_EQ("satisfies the given predicate", | |
2975 | Describe(m)); | |
2976 | } | |
2977 | ||
2978 | // Tests that Truly(predicate) works when the matcher takes its | |
2979 | // argument by reference. | |
2980 | TEST(TrulyTest, WorksForByRefArguments) { | |
2981 | Matcher<const int&> m = Truly(ReferencesFooAndIsZero); | |
2982 | EXPECT_TRUE(m.Matches(foo)); | |
2983 | int n = 0; | |
2984 | EXPECT_FALSE(m.Matches(n)); | |
2985 | } | |
2986 | ||
2987 | // Tests that Matches(m) is a predicate satisfied by whatever that | |
2988 | // matches matcher m. | |
2989 | TEST(MatchesTest, IsSatisfiedByWhatMatchesTheMatcher) { | |
2990 | EXPECT_TRUE(Matches(Ge(0))(1)); | |
2991 | EXPECT_FALSE(Matches(Eq('a'))('b')); | |
2992 | } | |
2993 | ||
2994 | // Tests that Matches(m) works when the matcher takes its argument by | |
2995 | // reference. | |
2996 | TEST(MatchesTest, WorksOnByRefArguments) { | |
2997 | int m = 0, n = 0; | |
2998 | EXPECT_TRUE(Matches(AllOf(Ref(n), Eq(0)))(n)); | |
2999 | EXPECT_FALSE(Matches(Ref(m))(n)); | |
3000 | } | |
3001 | ||
3002 | // Tests that a Matcher on non-reference type can be used in | |
3003 | // Matches(). | |
3004 | TEST(MatchesTest, WorksWithMatcherOnNonRefType) { | |
3005 | Matcher<int> eq5 = Eq(5); | |
3006 | EXPECT_TRUE(Matches(eq5)(5)); | |
3007 | EXPECT_FALSE(Matches(eq5)(2)); | |
3008 | } | |
3009 | ||
3010 | // Tests Value(value, matcher). Since Value() is a simple wrapper for | |
3011 | // Matches(), which has been tested already, we don't spend a lot of | |
3012 | // effort on testing Value(). | |
3013 | TEST(ValueTest, WorksWithPolymorphicMatcher) { | |
3014 | EXPECT_TRUE(Value("hi", StartsWith("h"))); | |
3015 | EXPECT_FALSE(Value(5, Gt(10))); | |
3016 | } | |
3017 | ||
3018 | TEST(ValueTest, WorksWithMonomorphicMatcher) { | |
3019 | const Matcher<int> is_zero = Eq(0); | |
3020 | EXPECT_TRUE(Value(0, is_zero)); | |
3021 | EXPECT_FALSE(Value('a', is_zero)); | |
3022 | ||
3023 | int n = 0; | |
3024 | const Matcher<const int&> ref_n = Ref(n); | |
3025 | EXPECT_TRUE(Value(n, ref_n)); | |
3026 | EXPECT_FALSE(Value(1, ref_n)); | |
3027 | } | |
3028 | ||
3029 | TEST(ExplainMatchResultTest, WorksWithPolymorphicMatcher) { | |
3030 | StringMatchResultListener listener1; | |
3031 | EXPECT_TRUE(ExplainMatchResult(PolymorphicIsEven(), 42, &listener1)); | |
3032 | EXPECT_EQ("% 2 == 0", listener1.str()); | |
3033 | ||
3034 | StringMatchResultListener listener2; | |
3035 | EXPECT_FALSE(ExplainMatchResult(Ge(42), 1.5, &listener2)); | |
3036 | EXPECT_EQ("", listener2.str()); | |
3037 | } | |
3038 | ||
3039 | TEST(ExplainMatchResultTest, WorksWithMonomorphicMatcher) { | |
3040 | const Matcher<int> is_even = PolymorphicIsEven(); | |
3041 | StringMatchResultListener listener1; | |
3042 | EXPECT_TRUE(ExplainMatchResult(is_even, 42, &listener1)); | |
3043 | EXPECT_EQ("% 2 == 0", listener1.str()); | |
3044 | ||
3045 | const Matcher<const double&> is_zero = Eq(0); | |
3046 | StringMatchResultListener listener2; | |
3047 | EXPECT_FALSE(ExplainMatchResult(is_zero, 1.5, &listener2)); | |
3048 | EXPECT_EQ("", listener2.str()); | |
3049 | } | |
3050 | ||
1e59de90 TL |
3051 | MATCHER(ConstructNoArg, "") { return true; } |
3052 | MATCHER_P(Construct1Arg, arg1, "") { return true; } | |
3053 | MATCHER_P2(Construct2Args, arg1, arg2, "") { return true; } | |
3054 | ||
3055 | TEST(MatcherConstruct, ExplicitVsImplicit) { | |
3056 | { | |
3057 | // No arg constructor can be constructed with empty brace. | |
3058 | ConstructNoArgMatcher m = {}; | |
3059 | (void)m; | |
3060 | // And with no args | |
3061 | ConstructNoArgMatcher m2; | |
3062 | (void)m2; | |
3063 | } | |
3064 | { | |
3065 | // The one arg constructor has an explicit constructor. | |
3066 | // This is to prevent the implicit conversion. | |
3067 | using M = Construct1ArgMatcherP<int>; | |
3068 | EXPECT_TRUE((std::is_constructible<M, int>::value)); | |
3069 | EXPECT_FALSE((std::is_convertible<int, M>::value)); | |
3070 | } | |
3071 | { | |
3072 | // Multiple arg matchers can be constructed with an implicit construction. | |
3073 | Construct2ArgsMatcherP2<int, double> m = {1, 2.2}; | |
3074 | (void)m; | |
3075 | } | |
3076 | } | |
3077 | ||
31f18b77 FG |
3078 | MATCHER_P(Really, inner_matcher, "") { |
3079 | return ExplainMatchResult(inner_matcher, arg, result_listener); | |
3080 | } | |
3081 | ||
3082 | TEST(ExplainMatchResultTest, WorksInsideMATCHER) { | |
3083 | EXPECT_THAT(0, Really(Eq(0))); | |
3084 | } | |
3085 | ||
1e59de90 TL |
3086 | TEST(DescribeMatcherTest, WorksWithValue) { |
3087 | EXPECT_EQ("is equal to 42", DescribeMatcher<int>(42)); | |
3088 | EXPECT_EQ("isn't equal to 42", DescribeMatcher<int>(42, true)); | |
3089 | } | |
3090 | ||
3091 | TEST(DescribeMatcherTest, WorksWithMonomorphicMatcher) { | |
3092 | const Matcher<int> monomorphic = Le(0); | |
3093 | EXPECT_EQ("is <= 0", DescribeMatcher<int>(monomorphic)); | |
3094 | EXPECT_EQ("isn't <= 0", DescribeMatcher<int>(monomorphic, true)); | |
3095 | } | |
3096 | ||
3097 | TEST(DescribeMatcherTest, WorksWithPolymorphicMatcher) { | |
3098 | EXPECT_EQ("is even", DescribeMatcher<int>(PolymorphicIsEven())); | |
3099 | EXPECT_EQ("is odd", DescribeMatcher<int>(PolymorphicIsEven(), true)); | |
3100 | } | |
3101 | ||
31f18b77 | 3102 | TEST(AllArgsTest, WorksForTuple) { |
1e59de90 TL |
3103 | EXPECT_THAT(std::make_tuple(1, 2L), AllArgs(Lt())); |
3104 | EXPECT_THAT(std::make_tuple(2L, 1), Not(AllArgs(Lt()))); | |
31f18b77 FG |
3105 | } |
3106 | ||
3107 | TEST(AllArgsTest, WorksForNonTuple) { | |
3108 | EXPECT_THAT(42, AllArgs(Gt(0))); | |
3109 | EXPECT_THAT('a', Not(AllArgs(Eq('b')))); | |
3110 | } | |
3111 | ||
3112 | class AllArgsHelper { | |
3113 | public: | |
3114 | AllArgsHelper() {} | |
3115 | ||
3116 | MOCK_METHOD2(Helper, int(char x, int y)); | |
3117 | ||
3118 | private: | |
3119 | GTEST_DISALLOW_COPY_AND_ASSIGN_(AllArgsHelper); | |
3120 | }; | |
3121 | ||
3122 | TEST(AllArgsTest, WorksInWithClause) { | |
3123 | AllArgsHelper helper; | |
3124 | ON_CALL(helper, Helper(_, _)) | |
3125 | .With(AllArgs(Lt())) | |
3126 | .WillByDefault(Return(1)); | |
3127 | EXPECT_CALL(helper, Helper(_, _)); | |
3128 | EXPECT_CALL(helper, Helper(_, _)) | |
3129 | .With(AllArgs(Gt())) | |
3130 | .WillOnce(Return(2)); | |
3131 | ||
3132 | EXPECT_EQ(1, helper.Helper('\1', 2)); | |
3133 | EXPECT_EQ(2, helper.Helper('a', 1)); | |
3134 | } | |
3135 | ||
1e59de90 TL |
3136 | class OptionalMatchersHelper { |
3137 | public: | |
3138 | OptionalMatchersHelper() {} | |
3139 | ||
3140 | MOCK_METHOD0(NoArgs, int()); | |
3141 | ||
3142 | MOCK_METHOD1(OneArg, int(int y)); | |
3143 | ||
3144 | MOCK_METHOD2(TwoArgs, int(char x, int y)); | |
3145 | ||
3146 | MOCK_METHOD1(Overloaded, int(char x)); | |
3147 | MOCK_METHOD2(Overloaded, int(char x, int y)); | |
3148 | ||
3149 | private: | |
3150 | GTEST_DISALLOW_COPY_AND_ASSIGN_(OptionalMatchersHelper); | |
3151 | }; | |
3152 | ||
3153 | TEST(AllArgsTest, WorksWithoutMatchers) { | |
3154 | OptionalMatchersHelper helper; | |
3155 | ||
3156 | ON_CALL(helper, NoArgs).WillByDefault(Return(10)); | |
3157 | ON_CALL(helper, OneArg).WillByDefault(Return(20)); | |
3158 | ON_CALL(helper, TwoArgs).WillByDefault(Return(30)); | |
3159 | ||
3160 | EXPECT_EQ(10, helper.NoArgs()); | |
3161 | EXPECT_EQ(20, helper.OneArg(1)); | |
3162 | EXPECT_EQ(30, helper.TwoArgs('\1', 2)); | |
3163 | ||
3164 | EXPECT_CALL(helper, NoArgs).Times(1); | |
3165 | EXPECT_CALL(helper, OneArg).WillOnce(Return(100)); | |
3166 | EXPECT_CALL(helper, OneArg(17)).WillOnce(Return(200)); | |
3167 | EXPECT_CALL(helper, TwoArgs).Times(0); | |
3168 | ||
3169 | EXPECT_EQ(10, helper.NoArgs()); | |
3170 | EXPECT_EQ(100, helper.OneArg(1)); | |
3171 | EXPECT_EQ(200, helper.OneArg(17)); | |
3172 | } | |
3173 | ||
31f18b77 FG |
3174 | // Tests that ASSERT_THAT() and EXPECT_THAT() work when the value |
3175 | // matches the matcher. | |
3176 | TEST(MatcherAssertionTest, WorksWhenMatcherIsSatisfied) { | |
3177 | ASSERT_THAT(5, Ge(2)) << "This should succeed."; | |
3178 | ASSERT_THAT("Foo", EndsWith("oo")); | |
3179 | EXPECT_THAT(2, AllOf(Le(7), Ge(0))) << "This should succeed too."; | |
3180 | EXPECT_THAT("Hello", StartsWith("Hell")); | |
3181 | } | |
3182 | ||
3183 | // Tests that ASSERT_THAT() and EXPECT_THAT() work when the value | |
3184 | // doesn't match the matcher. | |
3185 | TEST(MatcherAssertionTest, WorksWhenMatcherIsNotSatisfied) { | |
3186 | // 'n' must be static as it is used in an EXPECT_FATAL_FAILURE(), | |
3187 | // which cannot reference auto variables. | |
3188 | static unsigned short n; // NOLINT | |
3189 | n = 5; | |
3190 | ||
1e59de90 | 3191 | EXPECT_FATAL_FAILURE(ASSERT_THAT(n, Gt(10)), |
31f18b77 FG |
3192 | "Value of: n\n" |
3193 | "Expected: is > 10\n" | |
3194 | " Actual: 5" + OfType("unsigned short")); | |
3195 | n = 0; | |
3196 | EXPECT_NONFATAL_FAILURE( | |
1e59de90 | 3197 | EXPECT_THAT(n, AllOf(Le(7), Ge(5))), |
31f18b77 FG |
3198 | "Value of: n\n" |
3199 | "Expected: (is <= 7) and (is >= 5)\n" | |
3200 | " Actual: 0" + OfType("unsigned short")); | |
3201 | } | |
3202 | ||
3203 | // Tests that ASSERT_THAT() and EXPECT_THAT() work when the argument | |
3204 | // has a reference type. | |
3205 | TEST(MatcherAssertionTest, WorksForByRefArguments) { | |
3206 | // We use a static variable here as EXPECT_FATAL_FAILURE() cannot | |
3207 | // reference auto variables. | |
3208 | static int n; | |
3209 | n = 0; | |
3210 | EXPECT_THAT(n, AllOf(Le(7), Ref(n))); | |
1e59de90 | 3211 | EXPECT_FATAL_FAILURE(ASSERT_THAT(n, Not(Ref(n))), |
31f18b77 FG |
3212 | "Value of: n\n" |
3213 | "Expected: does not reference the variable @"); | |
3214 | // Tests the "Actual" part. | |
1e59de90 | 3215 | EXPECT_FATAL_FAILURE(ASSERT_THAT(n, Not(Ref(n))), |
31f18b77 FG |
3216 | "Actual: 0" + OfType("int") + ", which is located @"); |
3217 | } | |
3218 | ||
31f18b77 FG |
3219 | // Tests that ASSERT_THAT() and EXPECT_THAT() work when the matcher is |
3220 | // monomorphic. | |
31f18b77 FG |
3221 | TEST(MatcherAssertionTest, WorksForMonomorphicMatcher) { |
3222 | Matcher<const char*> starts_with_he = StartsWith("he"); | |
3223 | ASSERT_THAT("hello", starts_with_he); | |
3224 | ||
1e59de90 | 3225 | Matcher<const std::string&> ends_with_ok = EndsWith("ok"); |
31f18b77 | 3226 | ASSERT_THAT("book", ends_with_ok); |
1e59de90 | 3227 | const std::string bad = "bad"; |
31f18b77 FG |
3228 | EXPECT_NONFATAL_FAILURE(EXPECT_THAT(bad, ends_with_ok), |
3229 | "Value of: bad\n" | |
3230 | "Expected: ends with \"ok\"\n" | |
3231 | " Actual: \"bad\""); | |
3232 | Matcher<int> is_greater_than_5 = Gt(5); | |
3233 | EXPECT_NONFATAL_FAILURE(EXPECT_THAT(5, is_greater_than_5), | |
3234 | "Value of: 5\n" | |
3235 | "Expected: is > 5\n" | |
3236 | " Actual: 5" + OfType("int")); | |
3237 | } | |
31f18b77 FG |
3238 | |
3239 | // Tests floating-point matchers. | |
3240 | template <typename RawType> | |
3241 | class FloatingPointTest : public testing::Test { | |
3242 | protected: | |
3243 | typedef testing::internal::FloatingPoint<RawType> Floating; | |
3244 | typedef typename Floating::Bits Bits; | |
3245 | ||
3246 | FloatingPointTest() | |
3247 | : max_ulps_(Floating::kMaxUlps), | |
3248 | zero_bits_(Floating(0).bits()), | |
3249 | one_bits_(Floating(1).bits()), | |
3250 | infinity_bits_(Floating(Floating::Infinity()).bits()), | |
1e59de90 TL |
3251 | close_to_positive_zero_( |
3252 | Floating::ReinterpretBits(zero_bits_ + max_ulps_/2)), | |
3253 | close_to_negative_zero_( | |
3254 | -Floating::ReinterpretBits(zero_bits_ + max_ulps_ - max_ulps_/2)), | |
3255 | further_from_negative_zero_(-Floating::ReinterpretBits( | |
31f18b77 | 3256 | zero_bits_ + max_ulps_ + 1 - max_ulps_/2)), |
1e59de90 TL |
3257 | close_to_one_(Floating::ReinterpretBits(one_bits_ + max_ulps_)), |
3258 | further_from_one_(Floating::ReinterpretBits(one_bits_ + max_ulps_ + 1)), | |
31f18b77 | 3259 | infinity_(Floating::Infinity()), |
1e59de90 TL |
3260 | close_to_infinity_( |
3261 | Floating::ReinterpretBits(infinity_bits_ - max_ulps_)), | |
3262 | further_from_infinity_( | |
3263 | Floating::ReinterpretBits(infinity_bits_ - max_ulps_ - 1)), | |
31f18b77 | 3264 | max_(Floating::Max()), |
1e59de90 TL |
3265 | nan1_(Floating::ReinterpretBits(Floating::kExponentBitMask | 1)), |
3266 | nan2_(Floating::ReinterpretBits(Floating::kExponentBitMask | 200)) { | |
31f18b77 FG |
3267 | } |
3268 | ||
3269 | void TestSize() { | |
3270 | EXPECT_EQ(sizeof(RawType), sizeof(Bits)); | |
3271 | } | |
3272 | ||
3273 | // A battery of tests for FloatingEqMatcher::Matches. | |
3274 | // matcher_maker is a pointer to a function which creates a FloatingEqMatcher. | |
3275 | void TestMatches( | |
3276 | testing::internal::FloatingEqMatcher<RawType> (*matcher_maker)(RawType)) { | |
3277 | Matcher<RawType> m1 = matcher_maker(0.0); | |
3278 | EXPECT_TRUE(m1.Matches(-0.0)); | |
3279 | EXPECT_TRUE(m1.Matches(close_to_positive_zero_)); | |
3280 | EXPECT_TRUE(m1.Matches(close_to_negative_zero_)); | |
3281 | EXPECT_FALSE(m1.Matches(1.0)); | |
3282 | ||
3283 | Matcher<RawType> m2 = matcher_maker(close_to_positive_zero_); | |
3284 | EXPECT_FALSE(m2.Matches(further_from_negative_zero_)); | |
3285 | ||
3286 | Matcher<RawType> m3 = matcher_maker(1.0); | |
3287 | EXPECT_TRUE(m3.Matches(close_to_one_)); | |
3288 | EXPECT_FALSE(m3.Matches(further_from_one_)); | |
3289 | ||
3290 | // Test commutativity: matcher_maker(0.0).Matches(1.0) was tested above. | |
3291 | EXPECT_FALSE(m3.Matches(0.0)); | |
3292 | ||
3293 | Matcher<RawType> m4 = matcher_maker(-infinity_); | |
3294 | EXPECT_TRUE(m4.Matches(-close_to_infinity_)); | |
3295 | ||
3296 | Matcher<RawType> m5 = matcher_maker(infinity_); | |
3297 | EXPECT_TRUE(m5.Matches(close_to_infinity_)); | |
3298 | ||
3299 | // This is interesting as the representations of infinity_ and nan1_ | |
3300 | // are only 1 DLP apart. | |
3301 | EXPECT_FALSE(m5.Matches(nan1_)); | |
3302 | ||
3303 | // matcher_maker can produce a Matcher<const RawType&>, which is needed in | |
3304 | // some cases. | |
3305 | Matcher<const RawType&> m6 = matcher_maker(0.0); | |
3306 | EXPECT_TRUE(m6.Matches(-0.0)); | |
3307 | EXPECT_TRUE(m6.Matches(close_to_positive_zero_)); | |
3308 | EXPECT_FALSE(m6.Matches(1.0)); | |
3309 | ||
3310 | // matcher_maker can produce a Matcher<RawType&>, which is needed in some | |
3311 | // cases. | |
3312 | Matcher<RawType&> m7 = matcher_maker(0.0); | |
3313 | RawType x = 0.0; | |
3314 | EXPECT_TRUE(m7.Matches(x)); | |
3315 | x = 0.01f; | |
3316 | EXPECT_FALSE(m7.Matches(x)); | |
3317 | } | |
3318 | ||
3319 | // Pre-calculated numbers to be used by the tests. | |
3320 | ||
1e59de90 | 3321 | const Bits max_ulps_; |
31f18b77 FG |
3322 | |
3323 | const Bits zero_bits_; // The bits that represent 0.0. | |
3324 | const Bits one_bits_; // The bits that represent 1.0. | |
3325 | const Bits infinity_bits_; // The bits that represent +infinity. | |
3326 | ||
3327 | // Some numbers close to 0.0. | |
3328 | const RawType close_to_positive_zero_; | |
3329 | const RawType close_to_negative_zero_; | |
3330 | const RawType further_from_negative_zero_; | |
3331 | ||
3332 | // Some numbers close to 1.0. | |
3333 | const RawType close_to_one_; | |
3334 | const RawType further_from_one_; | |
3335 | ||
3336 | // Some numbers close to +infinity. | |
3337 | const RawType infinity_; | |
3338 | const RawType close_to_infinity_; | |
3339 | const RawType further_from_infinity_; | |
3340 | ||
3341 | // Maximum representable value that's not infinity. | |
3342 | const RawType max_; | |
3343 | ||
3344 | // Some NaNs. | |
3345 | const RawType nan1_; | |
3346 | const RawType nan2_; | |
31f18b77 FG |
3347 | }; |
3348 | ||
3349 | // Tests floating-point matchers with fixed epsilons. | |
3350 | template <typename RawType> | |
3351 | class FloatingPointNearTest : public FloatingPointTest<RawType> { | |
3352 | protected: | |
3353 | typedef FloatingPointTest<RawType> ParentType; | |
3354 | ||
3355 | // A battery of tests for FloatingEqMatcher::Matches with a fixed epsilon. | |
3356 | // matcher_maker is a pointer to a function which creates a FloatingEqMatcher. | |
3357 | void TestNearMatches( | |
3358 | testing::internal::FloatingEqMatcher<RawType> | |
3359 | (*matcher_maker)(RawType, RawType)) { | |
3360 | Matcher<RawType> m1 = matcher_maker(0.0, 0.0); | |
3361 | EXPECT_TRUE(m1.Matches(0.0)); | |
3362 | EXPECT_TRUE(m1.Matches(-0.0)); | |
3363 | EXPECT_FALSE(m1.Matches(ParentType::close_to_positive_zero_)); | |
3364 | EXPECT_FALSE(m1.Matches(ParentType::close_to_negative_zero_)); | |
3365 | EXPECT_FALSE(m1.Matches(1.0)); | |
3366 | ||
3367 | Matcher<RawType> m2 = matcher_maker(0.0, 1.0); | |
3368 | EXPECT_TRUE(m2.Matches(0.0)); | |
3369 | EXPECT_TRUE(m2.Matches(-0.0)); | |
3370 | EXPECT_TRUE(m2.Matches(1.0)); | |
3371 | EXPECT_TRUE(m2.Matches(-1.0)); | |
3372 | EXPECT_FALSE(m2.Matches(ParentType::close_to_one_)); | |
3373 | EXPECT_FALSE(m2.Matches(-ParentType::close_to_one_)); | |
3374 | ||
3375 | // Check that inf matches inf, regardless of the of the specified max | |
3376 | // absolute error. | |
3377 | Matcher<RawType> m3 = matcher_maker(ParentType::infinity_, 0.0); | |
3378 | EXPECT_TRUE(m3.Matches(ParentType::infinity_)); | |
3379 | EXPECT_FALSE(m3.Matches(ParentType::close_to_infinity_)); | |
3380 | EXPECT_FALSE(m3.Matches(-ParentType::infinity_)); | |
3381 | ||
3382 | Matcher<RawType> m4 = matcher_maker(-ParentType::infinity_, 0.0); | |
3383 | EXPECT_TRUE(m4.Matches(-ParentType::infinity_)); | |
3384 | EXPECT_FALSE(m4.Matches(-ParentType::close_to_infinity_)); | |
3385 | EXPECT_FALSE(m4.Matches(ParentType::infinity_)); | |
3386 | ||
3387 | // Test various overflow scenarios. | |
3388 | Matcher<RawType> m5 = matcher_maker(ParentType::max_, ParentType::max_); | |
3389 | EXPECT_TRUE(m5.Matches(ParentType::max_)); | |
3390 | EXPECT_FALSE(m5.Matches(-ParentType::max_)); | |
3391 | ||
3392 | Matcher<RawType> m6 = matcher_maker(-ParentType::max_, ParentType::max_); | |
3393 | EXPECT_FALSE(m6.Matches(ParentType::max_)); | |
3394 | EXPECT_TRUE(m6.Matches(-ParentType::max_)); | |
3395 | ||
3396 | Matcher<RawType> m7 = matcher_maker(ParentType::max_, 0); | |
3397 | EXPECT_TRUE(m7.Matches(ParentType::max_)); | |
3398 | EXPECT_FALSE(m7.Matches(-ParentType::max_)); | |
3399 | ||
3400 | Matcher<RawType> m8 = matcher_maker(-ParentType::max_, 0); | |
3401 | EXPECT_FALSE(m8.Matches(ParentType::max_)); | |
3402 | EXPECT_TRUE(m8.Matches(-ParentType::max_)); | |
3403 | ||
3404 | // The difference between max() and -max() normally overflows to infinity, | |
3405 | // but it should still match if the max_abs_error is also infinity. | |
3406 | Matcher<RawType> m9 = matcher_maker( | |
3407 | ParentType::max_, ParentType::infinity_); | |
3408 | EXPECT_TRUE(m8.Matches(-ParentType::max_)); | |
3409 | ||
3410 | // matcher_maker can produce a Matcher<const RawType&>, which is needed in | |
3411 | // some cases. | |
3412 | Matcher<const RawType&> m10 = matcher_maker(0.0, 1.0); | |
3413 | EXPECT_TRUE(m10.Matches(-0.0)); | |
3414 | EXPECT_TRUE(m10.Matches(ParentType::close_to_positive_zero_)); | |
3415 | EXPECT_FALSE(m10.Matches(ParentType::close_to_one_)); | |
3416 | ||
3417 | // matcher_maker can produce a Matcher<RawType&>, which is needed in some | |
3418 | // cases. | |
3419 | Matcher<RawType&> m11 = matcher_maker(0.0, 1.0); | |
3420 | RawType x = 0.0; | |
3421 | EXPECT_TRUE(m11.Matches(x)); | |
3422 | x = 1.0f; | |
3423 | EXPECT_TRUE(m11.Matches(x)); | |
3424 | x = -1.0f; | |
3425 | EXPECT_TRUE(m11.Matches(x)); | |
3426 | x = 1.1f; | |
3427 | EXPECT_FALSE(m11.Matches(x)); | |
3428 | x = -1.1f; | |
3429 | EXPECT_FALSE(m11.Matches(x)); | |
3430 | } | |
3431 | }; | |
3432 | ||
3433 | // Instantiate FloatingPointTest for testing floats. | |
3434 | typedef FloatingPointTest<float> FloatTest; | |
3435 | ||
3436 | TEST_F(FloatTest, FloatEqApproximatelyMatchesFloats) { | |
3437 | TestMatches(&FloatEq); | |
3438 | } | |
3439 | ||
3440 | TEST_F(FloatTest, NanSensitiveFloatEqApproximatelyMatchesFloats) { | |
3441 | TestMatches(&NanSensitiveFloatEq); | |
3442 | } | |
3443 | ||
3444 | TEST_F(FloatTest, FloatEqCannotMatchNaN) { | |
3445 | // FloatEq never matches NaN. | |
3446 | Matcher<float> m = FloatEq(nan1_); | |
3447 | EXPECT_FALSE(m.Matches(nan1_)); | |
3448 | EXPECT_FALSE(m.Matches(nan2_)); | |
3449 | EXPECT_FALSE(m.Matches(1.0)); | |
3450 | } | |
3451 | ||
3452 | TEST_F(FloatTest, NanSensitiveFloatEqCanMatchNaN) { | |
3453 | // NanSensitiveFloatEq will match NaN. | |
3454 | Matcher<float> m = NanSensitiveFloatEq(nan1_); | |
3455 | EXPECT_TRUE(m.Matches(nan1_)); | |
3456 | EXPECT_TRUE(m.Matches(nan2_)); | |
3457 | EXPECT_FALSE(m.Matches(1.0)); | |
3458 | } | |
3459 | ||
3460 | TEST_F(FloatTest, FloatEqCanDescribeSelf) { | |
3461 | Matcher<float> m1 = FloatEq(2.0f); | |
3462 | EXPECT_EQ("is approximately 2", Describe(m1)); | |
3463 | EXPECT_EQ("isn't approximately 2", DescribeNegation(m1)); | |
3464 | ||
3465 | Matcher<float> m2 = FloatEq(0.5f); | |
3466 | EXPECT_EQ("is approximately 0.5", Describe(m2)); | |
3467 | EXPECT_EQ("isn't approximately 0.5", DescribeNegation(m2)); | |
3468 | ||
3469 | Matcher<float> m3 = FloatEq(nan1_); | |
3470 | EXPECT_EQ("never matches", Describe(m3)); | |
3471 | EXPECT_EQ("is anything", DescribeNegation(m3)); | |
3472 | } | |
3473 | ||
3474 | TEST_F(FloatTest, NanSensitiveFloatEqCanDescribeSelf) { | |
3475 | Matcher<float> m1 = NanSensitiveFloatEq(2.0f); | |
3476 | EXPECT_EQ("is approximately 2", Describe(m1)); | |
3477 | EXPECT_EQ("isn't approximately 2", DescribeNegation(m1)); | |
3478 | ||
3479 | Matcher<float> m2 = NanSensitiveFloatEq(0.5f); | |
3480 | EXPECT_EQ("is approximately 0.5", Describe(m2)); | |
3481 | EXPECT_EQ("isn't approximately 0.5", DescribeNegation(m2)); | |
3482 | ||
3483 | Matcher<float> m3 = NanSensitiveFloatEq(nan1_); | |
3484 | EXPECT_EQ("is NaN", Describe(m3)); | |
3485 | EXPECT_EQ("isn't NaN", DescribeNegation(m3)); | |
3486 | } | |
3487 | ||
3488 | // Instantiate FloatingPointTest for testing floats with a user-specified | |
3489 | // max absolute error. | |
3490 | typedef FloatingPointNearTest<float> FloatNearTest; | |
3491 | ||
3492 | TEST_F(FloatNearTest, FloatNearMatches) { | |
3493 | TestNearMatches(&FloatNear); | |
3494 | } | |
3495 | ||
3496 | TEST_F(FloatNearTest, NanSensitiveFloatNearApproximatelyMatchesFloats) { | |
3497 | TestNearMatches(&NanSensitiveFloatNear); | |
3498 | } | |
3499 | ||
3500 | TEST_F(FloatNearTest, FloatNearCanDescribeSelf) { | |
3501 | Matcher<float> m1 = FloatNear(2.0f, 0.5f); | |
3502 | EXPECT_EQ("is approximately 2 (absolute error <= 0.5)", Describe(m1)); | |
3503 | EXPECT_EQ( | |
3504 | "isn't approximately 2 (absolute error > 0.5)", DescribeNegation(m1)); | |
3505 | ||
3506 | Matcher<float> m2 = FloatNear(0.5f, 0.5f); | |
3507 | EXPECT_EQ("is approximately 0.5 (absolute error <= 0.5)", Describe(m2)); | |
3508 | EXPECT_EQ( | |
3509 | "isn't approximately 0.5 (absolute error > 0.5)", DescribeNegation(m2)); | |
3510 | ||
3511 | Matcher<float> m3 = FloatNear(nan1_, 0.0); | |
3512 | EXPECT_EQ("never matches", Describe(m3)); | |
3513 | EXPECT_EQ("is anything", DescribeNegation(m3)); | |
3514 | } | |
3515 | ||
3516 | TEST_F(FloatNearTest, NanSensitiveFloatNearCanDescribeSelf) { | |
3517 | Matcher<float> m1 = NanSensitiveFloatNear(2.0f, 0.5f); | |
3518 | EXPECT_EQ("is approximately 2 (absolute error <= 0.5)", Describe(m1)); | |
3519 | EXPECT_EQ( | |
3520 | "isn't approximately 2 (absolute error > 0.5)", DescribeNegation(m1)); | |
3521 | ||
3522 | Matcher<float> m2 = NanSensitiveFloatNear(0.5f, 0.5f); | |
3523 | EXPECT_EQ("is approximately 0.5 (absolute error <= 0.5)", Describe(m2)); | |
3524 | EXPECT_EQ( | |
3525 | "isn't approximately 0.5 (absolute error > 0.5)", DescribeNegation(m2)); | |
3526 | ||
3527 | Matcher<float> m3 = NanSensitiveFloatNear(nan1_, 0.1f); | |
3528 | EXPECT_EQ("is NaN", Describe(m3)); | |
3529 | EXPECT_EQ("isn't NaN", DescribeNegation(m3)); | |
3530 | } | |
3531 | ||
3532 | TEST_F(FloatNearTest, FloatNearCannotMatchNaN) { | |
3533 | // FloatNear never matches NaN. | |
3534 | Matcher<float> m = FloatNear(ParentType::nan1_, 0.1f); | |
3535 | EXPECT_FALSE(m.Matches(nan1_)); | |
3536 | EXPECT_FALSE(m.Matches(nan2_)); | |
3537 | EXPECT_FALSE(m.Matches(1.0)); | |
3538 | } | |
3539 | ||
3540 | TEST_F(FloatNearTest, NanSensitiveFloatNearCanMatchNaN) { | |
3541 | // NanSensitiveFloatNear will match NaN. | |
3542 | Matcher<float> m = NanSensitiveFloatNear(nan1_, 0.1f); | |
3543 | EXPECT_TRUE(m.Matches(nan1_)); | |
3544 | EXPECT_TRUE(m.Matches(nan2_)); | |
3545 | EXPECT_FALSE(m.Matches(1.0)); | |
3546 | } | |
3547 | ||
3548 | // Instantiate FloatingPointTest for testing doubles. | |
3549 | typedef FloatingPointTest<double> DoubleTest; | |
3550 | ||
3551 | TEST_F(DoubleTest, DoubleEqApproximatelyMatchesDoubles) { | |
3552 | TestMatches(&DoubleEq); | |
3553 | } | |
3554 | ||
3555 | TEST_F(DoubleTest, NanSensitiveDoubleEqApproximatelyMatchesDoubles) { | |
3556 | TestMatches(&NanSensitiveDoubleEq); | |
3557 | } | |
3558 | ||
3559 | TEST_F(DoubleTest, DoubleEqCannotMatchNaN) { | |
3560 | // DoubleEq never matches NaN. | |
3561 | Matcher<double> m = DoubleEq(nan1_); | |
3562 | EXPECT_FALSE(m.Matches(nan1_)); | |
3563 | EXPECT_FALSE(m.Matches(nan2_)); | |
3564 | EXPECT_FALSE(m.Matches(1.0)); | |
3565 | } | |
3566 | ||
3567 | TEST_F(DoubleTest, NanSensitiveDoubleEqCanMatchNaN) { | |
3568 | // NanSensitiveDoubleEq will match NaN. | |
3569 | Matcher<double> m = NanSensitiveDoubleEq(nan1_); | |
3570 | EXPECT_TRUE(m.Matches(nan1_)); | |
3571 | EXPECT_TRUE(m.Matches(nan2_)); | |
3572 | EXPECT_FALSE(m.Matches(1.0)); | |
3573 | } | |
3574 | ||
3575 | TEST_F(DoubleTest, DoubleEqCanDescribeSelf) { | |
3576 | Matcher<double> m1 = DoubleEq(2.0); | |
3577 | EXPECT_EQ("is approximately 2", Describe(m1)); | |
3578 | EXPECT_EQ("isn't approximately 2", DescribeNegation(m1)); | |
3579 | ||
3580 | Matcher<double> m2 = DoubleEq(0.5); | |
3581 | EXPECT_EQ("is approximately 0.5", Describe(m2)); | |
3582 | EXPECT_EQ("isn't approximately 0.5", DescribeNegation(m2)); | |
3583 | ||
3584 | Matcher<double> m3 = DoubleEq(nan1_); | |
3585 | EXPECT_EQ("never matches", Describe(m3)); | |
3586 | EXPECT_EQ("is anything", DescribeNegation(m3)); | |
3587 | } | |
3588 | ||
3589 | TEST_F(DoubleTest, NanSensitiveDoubleEqCanDescribeSelf) { | |
3590 | Matcher<double> m1 = NanSensitiveDoubleEq(2.0); | |
3591 | EXPECT_EQ("is approximately 2", Describe(m1)); | |
3592 | EXPECT_EQ("isn't approximately 2", DescribeNegation(m1)); | |
3593 | ||
3594 | Matcher<double> m2 = NanSensitiveDoubleEq(0.5); | |
3595 | EXPECT_EQ("is approximately 0.5", Describe(m2)); | |
3596 | EXPECT_EQ("isn't approximately 0.5", DescribeNegation(m2)); | |
3597 | ||
3598 | Matcher<double> m3 = NanSensitiveDoubleEq(nan1_); | |
3599 | EXPECT_EQ("is NaN", Describe(m3)); | |
3600 | EXPECT_EQ("isn't NaN", DescribeNegation(m3)); | |
3601 | } | |
3602 | ||
3603 | // Instantiate FloatingPointTest for testing floats with a user-specified | |
3604 | // max absolute error. | |
3605 | typedef FloatingPointNearTest<double> DoubleNearTest; | |
3606 | ||
3607 | TEST_F(DoubleNearTest, DoubleNearMatches) { | |
3608 | TestNearMatches(&DoubleNear); | |
3609 | } | |
3610 | ||
3611 | TEST_F(DoubleNearTest, NanSensitiveDoubleNearApproximatelyMatchesDoubles) { | |
3612 | TestNearMatches(&NanSensitiveDoubleNear); | |
3613 | } | |
3614 | ||
3615 | TEST_F(DoubleNearTest, DoubleNearCanDescribeSelf) { | |
3616 | Matcher<double> m1 = DoubleNear(2.0, 0.5); | |
3617 | EXPECT_EQ("is approximately 2 (absolute error <= 0.5)", Describe(m1)); | |
3618 | EXPECT_EQ( | |
3619 | "isn't approximately 2 (absolute error > 0.5)", DescribeNegation(m1)); | |
3620 | ||
3621 | Matcher<double> m2 = DoubleNear(0.5, 0.5); | |
3622 | EXPECT_EQ("is approximately 0.5 (absolute error <= 0.5)", Describe(m2)); | |
3623 | EXPECT_EQ( | |
3624 | "isn't approximately 0.5 (absolute error > 0.5)", DescribeNegation(m2)); | |
3625 | ||
3626 | Matcher<double> m3 = DoubleNear(nan1_, 0.0); | |
3627 | EXPECT_EQ("never matches", Describe(m3)); | |
3628 | EXPECT_EQ("is anything", DescribeNegation(m3)); | |
3629 | } | |
3630 | ||
3631 | TEST_F(DoubleNearTest, ExplainsResultWhenMatchFails) { | |
3632 | EXPECT_EQ("", Explain(DoubleNear(2.0, 0.1), 2.05)); | |
3633 | EXPECT_EQ("which is 0.2 from 2", Explain(DoubleNear(2.0, 0.1), 2.2)); | |
3634 | EXPECT_EQ("which is -0.3 from 2", Explain(DoubleNear(2.0, 0.1), 1.7)); | |
3635 | ||
1e59de90 TL |
3636 | const std::string explanation = |
3637 | Explain(DoubleNear(2.1, 1e-10), 2.1 + 1.2e-10); | |
31f18b77 FG |
3638 | // Different C++ implementations may print floating-point numbers |
3639 | // slightly differently. | |
3640 | EXPECT_TRUE(explanation == "which is 1.2e-10 from 2.1" || // GCC | |
3641 | explanation == "which is 1.2e-010 from 2.1") // MSVC | |
3642 | << " where explanation is \"" << explanation << "\"."; | |
3643 | } | |
3644 | ||
3645 | TEST_F(DoubleNearTest, NanSensitiveDoubleNearCanDescribeSelf) { | |
3646 | Matcher<double> m1 = NanSensitiveDoubleNear(2.0, 0.5); | |
3647 | EXPECT_EQ("is approximately 2 (absolute error <= 0.5)", Describe(m1)); | |
3648 | EXPECT_EQ( | |
3649 | "isn't approximately 2 (absolute error > 0.5)", DescribeNegation(m1)); | |
3650 | ||
3651 | Matcher<double> m2 = NanSensitiveDoubleNear(0.5, 0.5); | |
3652 | EXPECT_EQ("is approximately 0.5 (absolute error <= 0.5)", Describe(m2)); | |
3653 | EXPECT_EQ( | |
3654 | "isn't approximately 0.5 (absolute error > 0.5)", DescribeNegation(m2)); | |
3655 | ||
3656 | Matcher<double> m3 = NanSensitiveDoubleNear(nan1_, 0.1); | |
3657 | EXPECT_EQ("is NaN", Describe(m3)); | |
3658 | EXPECT_EQ("isn't NaN", DescribeNegation(m3)); | |
3659 | } | |
3660 | ||
3661 | TEST_F(DoubleNearTest, DoubleNearCannotMatchNaN) { | |
3662 | // DoubleNear never matches NaN. | |
3663 | Matcher<double> m = DoubleNear(ParentType::nan1_, 0.1); | |
3664 | EXPECT_FALSE(m.Matches(nan1_)); | |
3665 | EXPECT_FALSE(m.Matches(nan2_)); | |
3666 | EXPECT_FALSE(m.Matches(1.0)); | |
3667 | } | |
3668 | ||
3669 | TEST_F(DoubleNearTest, NanSensitiveDoubleNearCanMatchNaN) { | |
3670 | // NanSensitiveDoubleNear will match NaN. | |
3671 | Matcher<double> m = NanSensitiveDoubleNear(nan1_, 0.1); | |
3672 | EXPECT_TRUE(m.Matches(nan1_)); | |
3673 | EXPECT_TRUE(m.Matches(nan2_)); | |
3674 | EXPECT_FALSE(m.Matches(1.0)); | |
3675 | } | |
3676 | ||
3677 | TEST(PointeeTest, RawPointer) { | |
3678 | const Matcher<int*> m = Pointee(Ge(0)); | |
3679 | ||
3680 | int n = 1; | |
3681 | EXPECT_TRUE(m.Matches(&n)); | |
3682 | n = -1; | |
3683 | EXPECT_FALSE(m.Matches(&n)); | |
1e59de90 | 3684 | EXPECT_FALSE(m.Matches(nullptr)); |
31f18b77 FG |
3685 | } |
3686 | ||
3687 | TEST(PointeeTest, RawPointerToConst) { | |
3688 | const Matcher<const double*> m = Pointee(Ge(0)); | |
3689 | ||
3690 | double x = 1; | |
3691 | EXPECT_TRUE(m.Matches(&x)); | |
3692 | x = -1; | |
3693 | EXPECT_FALSE(m.Matches(&x)); | |
1e59de90 | 3694 | EXPECT_FALSE(m.Matches(nullptr)); |
31f18b77 FG |
3695 | } |
3696 | ||
3697 | TEST(PointeeTest, ReferenceToConstRawPointer) { | |
3698 | const Matcher<int* const &> m = Pointee(Ge(0)); | |
3699 | ||
3700 | int n = 1; | |
3701 | EXPECT_TRUE(m.Matches(&n)); | |
3702 | n = -1; | |
3703 | EXPECT_FALSE(m.Matches(&n)); | |
1e59de90 | 3704 | EXPECT_FALSE(m.Matches(nullptr)); |
31f18b77 FG |
3705 | } |
3706 | ||
3707 | TEST(PointeeTest, ReferenceToNonConstRawPointer) { | |
3708 | const Matcher<double* &> m = Pointee(Ge(0)); | |
3709 | ||
3710 | double x = 1.0; | |
3711 | double* p = &x; | |
3712 | EXPECT_TRUE(m.Matches(p)); | |
3713 | x = -1; | |
3714 | EXPECT_FALSE(m.Matches(p)); | |
1e59de90 | 3715 | p = nullptr; |
31f18b77 FG |
3716 | EXPECT_FALSE(m.Matches(p)); |
3717 | } | |
3718 | ||
3719 | MATCHER_P(FieldIIs, inner_matcher, "") { | |
3720 | return ExplainMatchResult(inner_matcher, arg.i, result_listener); | |
3721 | } | |
3722 | ||
3723 | #if GTEST_HAS_RTTI | |
31f18b77 FG |
3724 | TEST(WhenDynamicCastToTest, SameType) { |
3725 | Derived derived; | |
3726 | derived.i = 4; | |
3727 | ||
3728 | // Right type. A pointer is passed down. | |
3729 | Base* as_base_ptr = &derived; | |
3730 | EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<Derived*>(Not(IsNull()))); | |
3731 | EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<Derived*>(Pointee(FieldIIs(4)))); | |
3732 | EXPECT_THAT(as_base_ptr, | |
3733 | Not(WhenDynamicCastTo<Derived*>(Pointee(FieldIIs(5))))); | |
3734 | } | |
3735 | ||
3736 | TEST(WhenDynamicCastToTest, WrongTypes) { | |
3737 | Base base; | |
3738 | Derived derived; | |
3739 | OtherDerived other_derived; | |
3740 | ||
3741 | // Wrong types. NULL is passed. | |
3742 | EXPECT_THAT(&base, Not(WhenDynamicCastTo<Derived*>(Pointee(_)))); | |
3743 | EXPECT_THAT(&base, WhenDynamicCastTo<Derived*>(IsNull())); | |
3744 | Base* as_base_ptr = &derived; | |
3745 | EXPECT_THAT(as_base_ptr, Not(WhenDynamicCastTo<OtherDerived*>(Pointee(_)))); | |
3746 | EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<OtherDerived*>(IsNull())); | |
3747 | as_base_ptr = &other_derived; | |
3748 | EXPECT_THAT(as_base_ptr, Not(WhenDynamicCastTo<Derived*>(Pointee(_)))); | |
3749 | EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<Derived*>(IsNull())); | |
3750 | } | |
3751 | ||
3752 | TEST(WhenDynamicCastToTest, AlreadyNull) { | |
3753 | // Already NULL. | |
1e59de90 | 3754 | Base* as_base_ptr = nullptr; |
31f18b77 FG |
3755 | EXPECT_THAT(as_base_ptr, WhenDynamicCastTo<Derived*>(IsNull())); |
3756 | } | |
3757 | ||
3758 | struct AmbiguousCastTypes { | |
3759 | class VirtualDerived : public virtual Base {}; | |
3760 | class DerivedSub1 : public VirtualDerived {}; | |
3761 | class DerivedSub2 : public VirtualDerived {}; | |
3762 | class ManyDerivedInHierarchy : public DerivedSub1, public DerivedSub2 {}; | |
3763 | }; | |
3764 | ||
3765 | TEST(WhenDynamicCastToTest, AmbiguousCast) { | |
3766 | AmbiguousCastTypes::DerivedSub1 sub1; | |
3767 | AmbiguousCastTypes::ManyDerivedInHierarchy many_derived; | |
3768 | // Multiply derived from Base. dynamic_cast<> returns NULL. | |
3769 | Base* as_base_ptr = | |
3770 | static_cast<AmbiguousCastTypes::DerivedSub1*>(&many_derived); | |
3771 | EXPECT_THAT(as_base_ptr, | |
3772 | WhenDynamicCastTo<AmbiguousCastTypes::VirtualDerived*>(IsNull())); | |
3773 | as_base_ptr = &sub1; | |
3774 | EXPECT_THAT( | |
3775 | as_base_ptr, | |
3776 | WhenDynamicCastTo<AmbiguousCastTypes::VirtualDerived*>(Not(IsNull()))); | |
3777 | } | |
3778 | ||
3779 | TEST(WhenDynamicCastToTest, Describe) { | |
3780 | Matcher<Base*> matcher = WhenDynamicCastTo<Derived*>(Pointee(_)); | |
1e59de90 | 3781 | const std::string prefix = |
31f18b77 FG |
3782 | "when dynamic_cast to " + internal::GetTypeName<Derived*>() + ", "; |
3783 | EXPECT_EQ(prefix + "points to a value that is anything", Describe(matcher)); | |
3784 | EXPECT_EQ(prefix + "does not point to a value that is anything", | |
3785 | DescribeNegation(matcher)); | |
3786 | } | |
3787 | ||
3788 | TEST(WhenDynamicCastToTest, Explain) { | |
3789 | Matcher<Base*> matcher = WhenDynamicCastTo<Derived*>(Pointee(_)); | |
1e59de90 | 3790 | Base* null = nullptr; |
31f18b77 FG |
3791 | EXPECT_THAT(Explain(matcher, null), HasSubstr("NULL")); |
3792 | Derived derived; | |
3793 | EXPECT_TRUE(matcher.Matches(&derived)); | |
3794 | EXPECT_THAT(Explain(matcher, &derived), HasSubstr("which points to ")); | |
3795 | ||
3796 | // With references, the matcher itself can fail. Test for that one. | |
3797 | Matcher<const Base&> ref_matcher = WhenDynamicCastTo<const OtherDerived&>(_); | |
3798 | EXPECT_THAT(Explain(ref_matcher, derived), | |
3799 | HasSubstr("which cannot be dynamic_cast")); | |
3800 | } | |
3801 | ||
3802 | TEST(WhenDynamicCastToTest, GoodReference) { | |
3803 | Derived derived; | |
3804 | derived.i = 4; | |
3805 | Base& as_base_ref = derived; | |
3806 | EXPECT_THAT(as_base_ref, WhenDynamicCastTo<const Derived&>(FieldIIs(4))); | |
3807 | EXPECT_THAT(as_base_ref, WhenDynamicCastTo<const Derived&>(Not(FieldIIs(5)))); | |
3808 | } | |
3809 | ||
3810 | TEST(WhenDynamicCastToTest, BadReference) { | |
3811 | Derived derived; | |
3812 | Base& as_base_ref = derived; | |
3813 | EXPECT_THAT(as_base_ref, Not(WhenDynamicCastTo<const OtherDerived&>(_))); | |
3814 | } | |
31f18b77 FG |
3815 | #endif // GTEST_HAS_RTTI |
3816 | ||
3817 | // Minimal const-propagating pointer. | |
3818 | template <typename T> | |
3819 | class ConstPropagatingPtr { | |
3820 | public: | |
3821 | typedef T element_type; | |
3822 | ||
3823 | ConstPropagatingPtr() : val_() {} | |
3824 | explicit ConstPropagatingPtr(T* t) : val_(t) {} | |
3825 | ConstPropagatingPtr(const ConstPropagatingPtr& other) : val_(other.val_) {} | |
3826 | ||
3827 | T* get() { return val_; } | |
3828 | T& operator*() { return *val_; } | |
3829 | // Most smart pointers return non-const T* and T& from the next methods. | |
3830 | const T* get() const { return val_; } | |
3831 | const T& operator*() const { return *val_; } | |
3832 | ||
3833 | private: | |
3834 | T* val_; | |
3835 | }; | |
3836 | ||
3837 | TEST(PointeeTest, WorksWithConstPropagatingPointers) { | |
3838 | const Matcher< ConstPropagatingPtr<int> > m = Pointee(Lt(5)); | |
3839 | int three = 3; | |
3840 | const ConstPropagatingPtr<int> co(&three); | |
3841 | ConstPropagatingPtr<int> o(&three); | |
3842 | EXPECT_TRUE(m.Matches(o)); | |
3843 | EXPECT_TRUE(m.Matches(co)); | |
3844 | *o = 6; | |
3845 | EXPECT_FALSE(m.Matches(o)); | |
3846 | EXPECT_FALSE(m.Matches(ConstPropagatingPtr<int>())); | |
3847 | } | |
3848 | ||
3849 | TEST(PointeeTest, NeverMatchesNull) { | |
3850 | const Matcher<const char*> m = Pointee(_); | |
1e59de90 | 3851 | EXPECT_FALSE(m.Matches(nullptr)); |
31f18b77 FG |
3852 | } |
3853 | ||
3854 | // Tests that we can write Pointee(value) instead of Pointee(Eq(value)). | |
3855 | TEST(PointeeTest, MatchesAgainstAValue) { | |
3856 | const Matcher<int*> m = Pointee(5); | |
3857 | ||
3858 | int n = 5; | |
3859 | EXPECT_TRUE(m.Matches(&n)); | |
3860 | n = -1; | |
3861 | EXPECT_FALSE(m.Matches(&n)); | |
1e59de90 | 3862 | EXPECT_FALSE(m.Matches(nullptr)); |
31f18b77 FG |
3863 | } |
3864 | ||
3865 | TEST(PointeeTest, CanDescribeSelf) { | |
3866 | const Matcher<int*> m = Pointee(Gt(3)); | |
3867 | EXPECT_EQ("points to a value that is > 3", Describe(m)); | |
3868 | EXPECT_EQ("does not point to a value that is > 3", | |
3869 | DescribeNegation(m)); | |
3870 | } | |
3871 | ||
3872 | TEST(PointeeTest, CanExplainMatchResult) { | |
1e59de90 | 3873 | const Matcher<const std::string*> m = Pointee(StartsWith("Hi")); |
31f18b77 | 3874 | |
1e59de90 | 3875 | EXPECT_EQ("", Explain(m, static_cast<const std::string*>(nullptr))); |
31f18b77 FG |
3876 | |
3877 | const Matcher<long*> m2 = Pointee(GreaterThan(1)); // NOLINT | |
3878 | long n = 3; // NOLINT | |
3879 | EXPECT_EQ("which points to 3" + OfType("long") + ", which is 2 more than 1", | |
3880 | Explain(m2, &n)); | |
3881 | } | |
3882 | ||
3883 | TEST(PointeeTest, AlwaysExplainsPointee) { | |
3884 | const Matcher<int*> m = Pointee(0); | |
3885 | int n = 42; | |
3886 | EXPECT_EQ("which points to 42" + OfType("int"), Explain(m, &n)); | |
3887 | } | |
3888 | ||
3889 | // An uncopyable class. | |
3890 | class Uncopyable { | |
3891 | public: | |
3892 | Uncopyable() : value_(-1) {} | |
3893 | explicit Uncopyable(int a_value) : value_(a_value) {} | |
3894 | ||
3895 | int value() const { return value_; } | |
3896 | void set_value(int i) { value_ = i; } | |
3897 | ||
3898 | private: | |
3899 | int value_; | |
3900 | GTEST_DISALLOW_COPY_AND_ASSIGN_(Uncopyable); | |
3901 | }; | |
3902 | ||
1e59de90 | 3903 | // Returns true if and only if x.value() is positive. |
31f18b77 FG |
3904 | bool ValueIsPositive(const Uncopyable& x) { return x.value() > 0; } |
3905 | ||
3906 | MATCHER_P(UncopyableIs, inner_matcher, "") { | |
3907 | return ExplainMatchResult(inner_matcher, arg.value(), result_listener); | |
3908 | } | |
3909 | ||
3910 | // A user-defined struct for testing Field(). | |
3911 | struct AStruct { | |
1e59de90 | 3912 | AStruct() : x(0), y(1.0), z(5), p(nullptr) {} |
31f18b77 FG |
3913 | AStruct(const AStruct& rhs) |
3914 | : x(rhs.x), y(rhs.y), z(rhs.z.value()), p(rhs.p) {} | |
3915 | ||
3916 | int x; // A non-const field. | |
3917 | const double y; // A const field. | |
3918 | Uncopyable z; // An uncopyable field. | |
3919 | const char* p; // A pointer field. | |
31f18b77 FG |
3920 | }; |
3921 | ||
3922 | // A derived struct for testing Field(). | |
3923 | struct DerivedStruct : public AStruct { | |
3924 | char ch; | |
31f18b77 FG |
3925 | }; |
3926 | ||
3927 | // Tests that Field(&Foo::field, ...) works when field is non-const. | |
3928 | TEST(FieldTest, WorksForNonConstField) { | |
3929 | Matcher<AStruct> m = Field(&AStruct::x, Ge(0)); | |
1e59de90 | 3930 | Matcher<AStruct> m_with_name = Field("x", &AStruct::x, Ge(0)); |
31f18b77 FG |
3931 | |
3932 | AStruct a; | |
3933 | EXPECT_TRUE(m.Matches(a)); | |
1e59de90 | 3934 | EXPECT_TRUE(m_with_name.Matches(a)); |
31f18b77 FG |
3935 | a.x = -1; |
3936 | EXPECT_FALSE(m.Matches(a)); | |
1e59de90 | 3937 | EXPECT_FALSE(m_with_name.Matches(a)); |
31f18b77 FG |
3938 | } |
3939 | ||
3940 | // Tests that Field(&Foo::field, ...) works when field is const. | |
3941 | TEST(FieldTest, WorksForConstField) { | |
3942 | AStruct a; | |
3943 | ||
3944 | Matcher<AStruct> m = Field(&AStruct::y, Ge(0.0)); | |
1e59de90 | 3945 | Matcher<AStruct> m_with_name = Field("y", &AStruct::y, Ge(0.0)); |
31f18b77 | 3946 | EXPECT_TRUE(m.Matches(a)); |
1e59de90 | 3947 | EXPECT_TRUE(m_with_name.Matches(a)); |
31f18b77 | 3948 | m = Field(&AStruct::y, Le(0.0)); |
1e59de90 | 3949 | m_with_name = Field("y", &AStruct::y, Le(0.0)); |
31f18b77 | 3950 | EXPECT_FALSE(m.Matches(a)); |
1e59de90 | 3951 | EXPECT_FALSE(m_with_name.Matches(a)); |
31f18b77 FG |
3952 | } |
3953 | ||
3954 | // Tests that Field(&Foo::field, ...) works when field is not copyable. | |
3955 | TEST(FieldTest, WorksForUncopyableField) { | |
3956 | AStruct a; | |
3957 | ||
3958 | Matcher<AStruct> m = Field(&AStruct::z, Truly(ValueIsPositive)); | |
3959 | EXPECT_TRUE(m.Matches(a)); | |
3960 | m = Field(&AStruct::z, Not(Truly(ValueIsPositive))); | |
3961 | EXPECT_FALSE(m.Matches(a)); | |
3962 | } | |
3963 | ||
3964 | // Tests that Field(&Foo::field, ...) works when field is a pointer. | |
3965 | TEST(FieldTest, WorksForPointerField) { | |
3966 | // Matching against NULL. | |
1e59de90 | 3967 | Matcher<AStruct> m = Field(&AStruct::p, static_cast<const char*>(nullptr)); |
31f18b77 FG |
3968 | AStruct a; |
3969 | EXPECT_TRUE(m.Matches(a)); | |
3970 | a.p = "hi"; | |
3971 | EXPECT_FALSE(m.Matches(a)); | |
3972 | ||
3973 | // Matching a pointer that is not NULL. | |
3974 | m = Field(&AStruct::p, StartsWith("hi")); | |
3975 | a.p = "hill"; | |
3976 | EXPECT_TRUE(m.Matches(a)); | |
3977 | a.p = "hole"; | |
3978 | EXPECT_FALSE(m.Matches(a)); | |
3979 | } | |
3980 | ||
3981 | // Tests that Field() works when the object is passed by reference. | |
3982 | TEST(FieldTest, WorksForByRefArgument) { | |
3983 | Matcher<const AStruct&> m = Field(&AStruct::x, Ge(0)); | |
3984 | ||
3985 | AStruct a; | |
3986 | EXPECT_TRUE(m.Matches(a)); | |
3987 | a.x = -1; | |
3988 | EXPECT_FALSE(m.Matches(a)); | |
3989 | } | |
3990 | ||
3991 | // Tests that Field(&Foo::field, ...) works when the argument's type | |
3992 | // is a sub-type of Foo. | |
3993 | TEST(FieldTest, WorksForArgumentOfSubType) { | |
3994 | // Note that the matcher expects DerivedStruct but we say AStruct | |
3995 | // inside Field(). | |
3996 | Matcher<const DerivedStruct&> m = Field(&AStruct::x, Ge(0)); | |
3997 | ||
3998 | DerivedStruct d; | |
3999 | EXPECT_TRUE(m.Matches(d)); | |
4000 | d.x = -1; | |
4001 | EXPECT_FALSE(m.Matches(d)); | |
4002 | } | |
4003 | ||
4004 | // Tests that Field(&Foo::field, m) works when field's type and m's | |
4005 | // argument type are compatible but not the same. | |
4006 | TEST(FieldTest, WorksForCompatibleMatcherType) { | |
4007 | // The field is an int, but the inner matcher expects a signed char. | |
4008 | Matcher<const AStruct&> m = Field(&AStruct::x, | |
4009 | Matcher<signed char>(Ge(0))); | |
4010 | ||
4011 | AStruct a; | |
4012 | EXPECT_TRUE(m.Matches(a)); | |
4013 | a.x = -1; | |
4014 | EXPECT_FALSE(m.Matches(a)); | |
4015 | } | |
4016 | ||
4017 | // Tests that Field() can describe itself. | |
4018 | TEST(FieldTest, CanDescribeSelf) { | |
4019 | Matcher<const AStruct&> m = Field(&AStruct::x, Ge(0)); | |
4020 | ||
4021 | EXPECT_EQ("is an object whose given field is >= 0", Describe(m)); | |
4022 | EXPECT_EQ("is an object whose given field isn't >= 0", DescribeNegation(m)); | |
4023 | } | |
4024 | ||
1e59de90 TL |
4025 | TEST(FieldTest, CanDescribeSelfWithFieldName) { |
4026 | Matcher<const AStruct&> m = Field("field_name", &AStruct::x, Ge(0)); | |
4027 | ||
4028 | EXPECT_EQ("is an object whose field `field_name` is >= 0", Describe(m)); | |
4029 | EXPECT_EQ("is an object whose field `field_name` isn't >= 0", | |
4030 | DescribeNegation(m)); | |
4031 | } | |
4032 | ||
31f18b77 FG |
4033 | // Tests that Field() can explain the match result. |
4034 | TEST(FieldTest, CanExplainMatchResult) { | |
4035 | Matcher<const AStruct&> m = Field(&AStruct::x, Ge(0)); | |
4036 | ||
4037 | AStruct a; | |
4038 | a.x = 1; | |
4039 | EXPECT_EQ("whose given field is 1" + OfType("int"), Explain(m, a)); | |
4040 | ||
4041 | m = Field(&AStruct::x, GreaterThan(0)); | |
4042 | EXPECT_EQ( | |
4043 | "whose given field is 1" + OfType("int") + ", which is 1 more than 0", | |
4044 | Explain(m, a)); | |
4045 | } | |
4046 | ||
1e59de90 TL |
4047 | TEST(FieldTest, CanExplainMatchResultWithFieldName) { |
4048 | Matcher<const AStruct&> m = Field("field_name", &AStruct::x, Ge(0)); | |
4049 | ||
4050 | AStruct a; | |
4051 | a.x = 1; | |
4052 | EXPECT_EQ("whose field `field_name` is 1" + OfType("int"), Explain(m, a)); | |
4053 | ||
4054 | m = Field("field_name", &AStruct::x, GreaterThan(0)); | |
4055 | EXPECT_EQ("whose field `field_name` is 1" + OfType("int") + | |
4056 | ", which is 1 more than 0", | |
4057 | Explain(m, a)); | |
4058 | } | |
4059 | ||
31f18b77 FG |
4060 | // Tests that Field() works when the argument is a pointer to const. |
4061 | TEST(FieldForPointerTest, WorksForPointerToConst) { | |
4062 | Matcher<const AStruct*> m = Field(&AStruct::x, Ge(0)); | |
4063 | ||
4064 | AStruct a; | |
4065 | EXPECT_TRUE(m.Matches(&a)); | |
4066 | a.x = -1; | |
4067 | EXPECT_FALSE(m.Matches(&a)); | |
4068 | } | |
4069 | ||
4070 | // Tests that Field() works when the argument is a pointer to non-const. | |
4071 | TEST(FieldForPointerTest, WorksForPointerToNonConst) { | |
4072 | Matcher<AStruct*> m = Field(&AStruct::x, Ge(0)); | |
4073 | ||
4074 | AStruct a; | |
4075 | EXPECT_TRUE(m.Matches(&a)); | |
4076 | a.x = -1; | |
4077 | EXPECT_FALSE(m.Matches(&a)); | |
4078 | } | |
4079 | ||
4080 | // Tests that Field() works when the argument is a reference to a const pointer. | |
4081 | TEST(FieldForPointerTest, WorksForReferenceToConstPointer) { | |
4082 | Matcher<AStruct* const&> m = Field(&AStruct::x, Ge(0)); | |
4083 | ||
4084 | AStruct a; | |
4085 | EXPECT_TRUE(m.Matches(&a)); | |
4086 | a.x = -1; | |
4087 | EXPECT_FALSE(m.Matches(&a)); | |
4088 | } | |
4089 | ||
4090 | // Tests that Field() does not match the NULL pointer. | |
4091 | TEST(FieldForPointerTest, DoesNotMatchNull) { | |
4092 | Matcher<const AStruct*> m = Field(&AStruct::x, _); | |
1e59de90 | 4093 | EXPECT_FALSE(m.Matches(nullptr)); |
31f18b77 FG |
4094 | } |
4095 | ||
4096 | // Tests that Field(&Foo::field, ...) works when the argument's type | |
4097 | // is a sub-type of const Foo*. | |
4098 | TEST(FieldForPointerTest, WorksForArgumentOfSubType) { | |
4099 | // Note that the matcher expects DerivedStruct but we say AStruct | |
4100 | // inside Field(). | |
4101 | Matcher<DerivedStruct*> m = Field(&AStruct::x, Ge(0)); | |
4102 | ||
4103 | DerivedStruct d; | |
4104 | EXPECT_TRUE(m.Matches(&d)); | |
4105 | d.x = -1; | |
4106 | EXPECT_FALSE(m.Matches(&d)); | |
4107 | } | |
4108 | ||
4109 | // Tests that Field() can describe itself when used to match a pointer. | |
4110 | TEST(FieldForPointerTest, CanDescribeSelf) { | |
4111 | Matcher<const AStruct*> m = Field(&AStruct::x, Ge(0)); | |
4112 | ||
4113 | EXPECT_EQ("is an object whose given field is >= 0", Describe(m)); | |
4114 | EXPECT_EQ("is an object whose given field isn't >= 0", DescribeNegation(m)); | |
4115 | } | |
4116 | ||
1e59de90 TL |
4117 | TEST(FieldForPointerTest, CanDescribeSelfWithFieldName) { |
4118 | Matcher<const AStruct*> m = Field("field_name", &AStruct::x, Ge(0)); | |
4119 | ||
4120 | EXPECT_EQ("is an object whose field `field_name` is >= 0", Describe(m)); | |
4121 | EXPECT_EQ("is an object whose field `field_name` isn't >= 0", | |
4122 | DescribeNegation(m)); | |
4123 | } | |
4124 | ||
31f18b77 FG |
4125 | // Tests that Field() can explain the result of matching a pointer. |
4126 | TEST(FieldForPointerTest, CanExplainMatchResult) { | |
4127 | Matcher<const AStruct*> m = Field(&AStruct::x, Ge(0)); | |
4128 | ||
4129 | AStruct a; | |
4130 | a.x = 1; | |
1e59de90 | 4131 | EXPECT_EQ("", Explain(m, static_cast<const AStruct*>(nullptr))); |
31f18b77 FG |
4132 | EXPECT_EQ("which points to an object whose given field is 1" + OfType("int"), |
4133 | Explain(m, &a)); | |
4134 | ||
4135 | m = Field(&AStruct::x, GreaterThan(0)); | |
4136 | EXPECT_EQ("which points to an object whose given field is 1" + OfType("int") + | |
4137 | ", which is 1 more than 0", Explain(m, &a)); | |
4138 | } | |
4139 | ||
1e59de90 TL |
4140 | TEST(FieldForPointerTest, CanExplainMatchResultWithFieldName) { |
4141 | Matcher<const AStruct*> m = Field("field_name", &AStruct::x, Ge(0)); | |
4142 | ||
4143 | AStruct a; | |
4144 | a.x = 1; | |
4145 | EXPECT_EQ("", Explain(m, static_cast<const AStruct*>(nullptr))); | |
4146 | EXPECT_EQ( | |
4147 | "which points to an object whose field `field_name` is 1" + OfType("int"), | |
4148 | Explain(m, &a)); | |
4149 | ||
4150 | m = Field("field_name", &AStruct::x, GreaterThan(0)); | |
4151 | EXPECT_EQ("which points to an object whose field `field_name` is 1" + | |
4152 | OfType("int") + ", which is 1 more than 0", | |
4153 | Explain(m, &a)); | |
4154 | } | |
4155 | ||
31f18b77 FG |
4156 | // A user-defined class for testing Property(). |
4157 | class AClass { | |
4158 | public: | |
4159 | AClass() : n_(0) {} | |
4160 | ||
4161 | // A getter that returns a non-reference. | |
4162 | int n() const { return n_; } | |
4163 | ||
4164 | void set_n(int new_n) { n_ = new_n; } | |
4165 | ||
4166 | // A getter that returns a reference to const. | |
1e59de90 TL |
4167 | const std::string& s() const { return s_; } |
4168 | ||
4169 | const std::string& s_ref() const & { return s_; } | |
31f18b77 | 4170 | |
1e59de90 | 4171 | void set_s(const std::string& new_s) { s_ = new_s; } |
31f18b77 FG |
4172 | |
4173 | // A getter that returns a reference to non-const. | |
4174 | double& x() const { return x_; } | |
1e59de90 | 4175 | |
31f18b77 FG |
4176 | private: |
4177 | int n_; | |
1e59de90 | 4178 | std::string s_; |
31f18b77 FG |
4179 | |
4180 | static double x_; | |
4181 | }; | |
4182 | ||
4183 | double AClass::x_ = 0.0; | |
4184 | ||
4185 | // A derived class for testing Property(). | |
4186 | class DerivedClass : public AClass { | |
4187 | public: | |
4188 | int k() const { return k_; } | |
4189 | private: | |
4190 | int k_; | |
4191 | }; | |
4192 | ||
4193 | // Tests that Property(&Foo::property, ...) works when property() | |
4194 | // returns a non-reference. | |
4195 | TEST(PropertyTest, WorksForNonReferenceProperty) { | |
4196 | Matcher<const AClass&> m = Property(&AClass::n, Ge(0)); | |
1e59de90 | 4197 | Matcher<const AClass&> m_with_name = Property("n", &AClass::n, Ge(0)); |
31f18b77 FG |
4198 | |
4199 | AClass a; | |
4200 | a.set_n(1); | |
4201 | EXPECT_TRUE(m.Matches(a)); | |
1e59de90 | 4202 | EXPECT_TRUE(m_with_name.Matches(a)); |
31f18b77 FG |
4203 | |
4204 | a.set_n(-1); | |
4205 | EXPECT_FALSE(m.Matches(a)); | |
1e59de90 | 4206 | EXPECT_FALSE(m_with_name.Matches(a)); |
31f18b77 FG |
4207 | } |
4208 | ||
4209 | // Tests that Property(&Foo::property, ...) works when property() | |
4210 | // returns a reference to const. | |
4211 | TEST(PropertyTest, WorksForReferenceToConstProperty) { | |
4212 | Matcher<const AClass&> m = Property(&AClass::s, StartsWith("hi")); | |
1e59de90 TL |
4213 | Matcher<const AClass&> m_with_name = |
4214 | Property("s", &AClass::s, StartsWith("hi")); | |
4215 | ||
4216 | AClass a; | |
4217 | a.set_s("hill"); | |
4218 | EXPECT_TRUE(m.Matches(a)); | |
4219 | EXPECT_TRUE(m_with_name.Matches(a)); | |
4220 | ||
4221 | a.set_s("hole"); | |
4222 | EXPECT_FALSE(m.Matches(a)); | |
4223 | EXPECT_FALSE(m_with_name.Matches(a)); | |
4224 | } | |
4225 | ||
4226 | // Tests that Property(&Foo::property, ...) works when property() is | |
4227 | // ref-qualified. | |
4228 | TEST(PropertyTest, WorksForRefQualifiedProperty) { | |
4229 | Matcher<const AClass&> m = Property(&AClass::s_ref, StartsWith("hi")); | |
4230 | Matcher<const AClass&> m_with_name = | |
4231 | Property("s", &AClass::s_ref, StartsWith("hi")); | |
31f18b77 FG |
4232 | |
4233 | AClass a; | |
4234 | a.set_s("hill"); | |
4235 | EXPECT_TRUE(m.Matches(a)); | |
1e59de90 | 4236 | EXPECT_TRUE(m_with_name.Matches(a)); |
31f18b77 FG |
4237 | |
4238 | a.set_s("hole"); | |
4239 | EXPECT_FALSE(m.Matches(a)); | |
1e59de90 | 4240 | EXPECT_FALSE(m_with_name.Matches(a)); |
31f18b77 FG |
4241 | } |
4242 | ||
4243 | // Tests that Property(&Foo::property, ...) works when property() | |
4244 | // returns a reference to non-const. | |
4245 | TEST(PropertyTest, WorksForReferenceToNonConstProperty) { | |
4246 | double x = 0.0; | |
4247 | AClass a; | |
4248 | ||
4249 | Matcher<const AClass&> m = Property(&AClass::x, Ref(x)); | |
4250 | EXPECT_FALSE(m.Matches(a)); | |
4251 | ||
4252 | m = Property(&AClass::x, Not(Ref(x))); | |
4253 | EXPECT_TRUE(m.Matches(a)); | |
4254 | } | |
4255 | ||
4256 | // Tests that Property(&Foo::property, ...) works when the argument is | |
4257 | // passed by value. | |
4258 | TEST(PropertyTest, WorksForByValueArgument) { | |
4259 | Matcher<AClass> m = Property(&AClass::s, StartsWith("hi")); | |
4260 | ||
4261 | AClass a; | |
4262 | a.set_s("hill"); | |
4263 | EXPECT_TRUE(m.Matches(a)); | |
4264 | ||
4265 | a.set_s("hole"); | |
4266 | EXPECT_FALSE(m.Matches(a)); | |
4267 | } | |
4268 | ||
4269 | // Tests that Property(&Foo::property, ...) works when the argument's | |
4270 | // type is a sub-type of Foo. | |
4271 | TEST(PropertyTest, WorksForArgumentOfSubType) { | |
4272 | // The matcher expects a DerivedClass, but inside the Property() we | |
4273 | // say AClass. | |
4274 | Matcher<const DerivedClass&> m = Property(&AClass::n, Ge(0)); | |
4275 | ||
4276 | DerivedClass d; | |
4277 | d.set_n(1); | |
4278 | EXPECT_TRUE(m.Matches(d)); | |
4279 | ||
4280 | d.set_n(-1); | |
4281 | EXPECT_FALSE(m.Matches(d)); | |
4282 | } | |
4283 | ||
4284 | // Tests that Property(&Foo::property, m) works when property()'s type | |
4285 | // and m's argument type are compatible but different. | |
4286 | TEST(PropertyTest, WorksForCompatibleMatcherType) { | |
4287 | // n() returns an int but the inner matcher expects a signed char. | |
4288 | Matcher<const AClass&> m = Property(&AClass::n, | |
4289 | Matcher<signed char>(Ge(0))); | |
4290 | ||
1e59de90 TL |
4291 | Matcher<const AClass&> m_with_name = |
4292 | Property("n", &AClass::n, Matcher<signed char>(Ge(0))); | |
4293 | ||
31f18b77 FG |
4294 | AClass a; |
4295 | EXPECT_TRUE(m.Matches(a)); | |
1e59de90 | 4296 | EXPECT_TRUE(m_with_name.Matches(a)); |
31f18b77 FG |
4297 | a.set_n(-1); |
4298 | EXPECT_FALSE(m.Matches(a)); | |
1e59de90 | 4299 | EXPECT_FALSE(m_with_name.Matches(a)); |
31f18b77 FG |
4300 | } |
4301 | ||
4302 | // Tests that Property() can describe itself. | |
4303 | TEST(PropertyTest, CanDescribeSelf) { | |
4304 | Matcher<const AClass&> m = Property(&AClass::n, Ge(0)); | |
4305 | ||
4306 | EXPECT_EQ("is an object whose given property is >= 0", Describe(m)); | |
4307 | EXPECT_EQ("is an object whose given property isn't >= 0", | |
4308 | DescribeNegation(m)); | |
4309 | } | |
4310 | ||
1e59de90 TL |
4311 | TEST(PropertyTest, CanDescribeSelfWithPropertyName) { |
4312 | Matcher<const AClass&> m = Property("fancy_name", &AClass::n, Ge(0)); | |
4313 | ||
4314 | EXPECT_EQ("is an object whose property `fancy_name` is >= 0", Describe(m)); | |
4315 | EXPECT_EQ("is an object whose property `fancy_name` isn't >= 0", | |
4316 | DescribeNegation(m)); | |
4317 | } | |
4318 | ||
31f18b77 FG |
4319 | // Tests that Property() can explain the match result. |
4320 | TEST(PropertyTest, CanExplainMatchResult) { | |
4321 | Matcher<const AClass&> m = Property(&AClass::n, Ge(0)); | |
4322 | ||
4323 | AClass a; | |
4324 | a.set_n(1); | |
4325 | EXPECT_EQ("whose given property is 1" + OfType("int"), Explain(m, a)); | |
4326 | ||
4327 | m = Property(&AClass::n, GreaterThan(0)); | |
4328 | EXPECT_EQ( | |
4329 | "whose given property is 1" + OfType("int") + ", which is 1 more than 0", | |
4330 | Explain(m, a)); | |
4331 | } | |
4332 | ||
1e59de90 TL |
4333 | TEST(PropertyTest, CanExplainMatchResultWithPropertyName) { |
4334 | Matcher<const AClass&> m = Property("fancy_name", &AClass::n, Ge(0)); | |
4335 | ||
4336 | AClass a; | |
4337 | a.set_n(1); | |
4338 | EXPECT_EQ("whose property `fancy_name` is 1" + OfType("int"), Explain(m, a)); | |
4339 | ||
4340 | m = Property("fancy_name", &AClass::n, GreaterThan(0)); | |
4341 | EXPECT_EQ("whose property `fancy_name` is 1" + OfType("int") + | |
4342 | ", which is 1 more than 0", | |
4343 | Explain(m, a)); | |
4344 | } | |
4345 | ||
31f18b77 FG |
4346 | // Tests that Property() works when the argument is a pointer to const. |
4347 | TEST(PropertyForPointerTest, WorksForPointerToConst) { | |
4348 | Matcher<const AClass*> m = Property(&AClass::n, Ge(0)); | |
4349 | ||
4350 | AClass a; | |
4351 | a.set_n(1); | |
4352 | EXPECT_TRUE(m.Matches(&a)); | |
4353 | ||
4354 | a.set_n(-1); | |
4355 | EXPECT_FALSE(m.Matches(&a)); | |
4356 | } | |
4357 | ||
4358 | // Tests that Property() works when the argument is a pointer to non-const. | |
4359 | TEST(PropertyForPointerTest, WorksForPointerToNonConst) { | |
4360 | Matcher<AClass*> m = Property(&AClass::s, StartsWith("hi")); | |
4361 | ||
4362 | AClass a; | |
4363 | a.set_s("hill"); | |
4364 | EXPECT_TRUE(m.Matches(&a)); | |
4365 | ||
4366 | a.set_s("hole"); | |
4367 | EXPECT_FALSE(m.Matches(&a)); | |
4368 | } | |
4369 | ||
4370 | // Tests that Property() works when the argument is a reference to a | |
4371 | // const pointer. | |
4372 | TEST(PropertyForPointerTest, WorksForReferenceToConstPointer) { | |
4373 | Matcher<AClass* const&> m = Property(&AClass::s, StartsWith("hi")); | |
4374 | ||
4375 | AClass a; | |
4376 | a.set_s("hill"); | |
4377 | EXPECT_TRUE(m.Matches(&a)); | |
4378 | ||
4379 | a.set_s("hole"); | |
4380 | EXPECT_FALSE(m.Matches(&a)); | |
4381 | } | |
4382 | ||
4383 | // Tests that Property() does not match the NULL pointer. | |
4384 | TEST(PropertyForPointerTest, WorksForReferenceToNonConstProperty) { | |
4385 | Matcher<const AClass*> m = Property(&AClass::x, _); | |
1e59de90 | 4386 | EXPECT_FALSE(m.Matches(nullptr)); |
31f18b77 FG |
4387 | } |
4388 | ||
4389 | // Tests that Property(&Foo::property, ...) works when the argument's | |
4390 | // type is a sub-type of const Foo*. | |
4391 | TEST(PropertyForPointerTest, WorksForArgumentOfSubType) { | |
4392 | // The matcher expects a DerivedClass, but inside the Property() we | |
4393 | // say AClass. | |
4394 | Matcher<const DerivedClass*> m = Property(&AClass::n, Ge(0)); | |
4395 | ||
4396 | DerivedClass d; | |
4397 | d.set_n(1); | |
4398 | EXPECT_TRUE(m.Matches(&d)); | |
4399 | ||
4400 | d.set_n(-1); | |
4401 | EXPECT_FALSE(m.Matches(&d)); | |
4402 | } | |
4403 | ||
4404 | // Tests that Property() can describe itself when used to match a pointer. | |
4405 | TEST(PropertyForPointerTest, CanDescribeSelf) { | |
4406 | Matcher<const AClass*> m = Property(&AClass::n, Ge(0)); | |
4407 | ||
4408 | EXPECT_EQ("is an object whose given property is >= 0", Describe(m)); | |
4409 | EXPECT_EQ("is an object whose given property isn't >= 0", | |
4410 | DescribeNegation(m)); | |
4411 | } | |
4412 | ||
1e59de90 TL |
4413 | TEST(PropertyForPointerTest, CanDescribeSelfWithPropertyDescription) { |
4414 | Matcher<const AClass*> m = Property("fancy_name", &AClass::n, Ge(0)); | |
4415 | ||
4416 | EXPECT_EQ("is an object whose property `fancy_name` is >= 0", Describe(m)); | |
4417 | EXPECT_EQ("is an object whose property `fancy_name` isn't >= 0", | |
4418 | DescribeNegation(m)); | |
4419 | } | |
4420 | ||
31f18b77 FG |
4421 | // Tests that Property() can explain the result of matching a pointer. |
4422 | TEST(PropertyForPointerTest, CanExplainMatchResult) { | |
4423 | Matcher<const AClass*> m = Property(&AClass::n, Ge(0)); | |
4424 | ||
4425 | AClass a; | |
4426 | a.set_n(1); | |
1e59de90 | 4427 | EXPECT_EQ("", Explain(m, static_cast<const AClass*>(nullptr))); |
31f18b77 FG |
4428 | EXPECT_EQ( |
4429 | "which points to an object whose given property is 1" + OfType("int"), | |
4430 | Explain(m, &a)); | |
4431 | ||
4432 | m = Property(&AClass::n, GreaterThan(0)); | |
4433 | EXPECT_EQ("which points to an object whose given property is 1" + | |
4434 | OfType("int") + ", which is 1 more than 0", | |
4435 | Explain(m, &a)); | |
4436 | } | |
4437 | ||
1e59de90 TL |
4438 | TEST(PropertyForPointerTest, CanExplainMatchResultWithPropertyName) { |
4439 | Matcher<const AClass*> m = Property("fancy_name", &AClass::n, Ge(0)); | |
4440 | ||
4441 | AClass a; | |
4442 | a.set_n(1); | |
4443 | EXPECT_EQ("", Explain(m, static_cast<const AClass*>(nullptr))); | |
4444 | EXPECT_EQ("which points to an object whose property `fancy_name` is 1" + | |
4445 | OfType("int"), | |
4446 | Explain(m, &a)); | |
4447 | ||
4448 | m = Property("fancy_name", &AClass::n, GreaterThan(0)); | |
4449 | EXPECT_EQ("which points to an object whose property `fancy_name` is 1" + | |
4450 | OfType("int") + ", which is 1 more than 0", | |
4451 | Explain(m, &a)); | |
4452 | } | |
4453 | ||
31f18b77 FG |
4454 | // Tests ResultOf. |
4455 | ||
4456 | // Tests that ResultOf(f, ...) compiles and works as expected when f is a | |
4457 | // function pointer. | |
1e59de90 TL |
4458 | std::string IntToStringFunction(int input) { |
4459 | return input == 1 ? "foo" : "bar"; | |
4460 | } | |
31f18b77 FG |
4461 | |
4462 | TEST(ResultOfTest, WorksForFunctionPointers) { | |
1e59de90 | 4463 | Matcher<int> matcher = ResultOf(&IntToStringFunction, Eq(std::string("foo"))); |
31f18b77 FG |
4464 | |
4465 | EXPECT_TRUE(matcher.Matches(1)); | |
4466 | EXPECT_FALSE(matcher.Matches(2)); | |
4467 | } | |
4468 | ||
4469 | // Tests that ResultOf() can describe itself. | |
4470 | TEST(ResultOfTest, CanDescribeItself) { | |
4471 | Matcher<int> matcher = ResultOf(&IntToStringFunction, StrEq("foo")); | |
4472 | ||
4473 | EXPECT_EQ("is mapped by the given callable to a value that " | |
4474 | "is equal to \"foo\"", Describe(matcher)); | |
4475 | EXPECT_EQ("is mapped by the given callable to a value that " | |
4476 | "isn't equal to \"foo\"", DescribeNegation(matcher)); | |
4477 | } | |
4478 | ||
4479 | // Tests that ResultOf() can explain the match result. | |
4480 | int IntFunction(int input) { return input == 42 ? 80 : 90; } | |
4481 | ||
4482 | TEST(ResultOfTest, CanExplainMatchResult) { | |
4483 | Matcher<int> matcher = ResultOf(&IntFunction, Ge(85)); | |
4484 | EXPECT_EQ("which is mapped by the given callable to 90" + OfType("int"), | |
4485 | Explain(matcher, 36)); | |
4486 | ||
4487 | matcher = ResultOf(&IntFunction, GreaterThan(85)); | |
4488 | EXPECT_EQ("which is mapped by the given callable to 90" + OfType("int") + | |
4489 | ", which is 5 more than 85", Explain(matcher, 36)); | |
4490 | } | |
4491 | ||
4492 | // Tests that ResultOf(f, ...) compiles and works as expected when f(x) | |
4493 | // returns a non-reference. | |
4494 | TEST(ResultOfTest, WorksForNonReferenceResults) { | |
4495 | Matcher<int> matcher = ResultOf(&IntFunction, Eq(80)); | |
4496 | ||
4497 | EXPECT_TRUE(matcher.Matches(42)); | |
4498 | EXPECT_FALSE(matcher.Matches(36)); | |
4499 | } | |
4500 | ||
4501 | // Tests that ResultOf(f, ...) compiles and works as expected when f(x) | |
4502 | // returns a reference to non-const. | |
4503 | double& DoubleFunction(double& input) { return input; } // NOLINT | |
4504 | ||
4505 | Uncopyable& RefUncopyableFunction(Uncopyable& obj) { // NOLINT | |
4506 | return obj; | |
4507 | } | |
4508 | ||
4509 | TEST(ResultOfTest, WorksForReferenceToNonConstResults) { | |
4510 | double x = 3.14; | |
4511 | double x2 = x; | |
4512 | Matcher<double&> matcher = ResultOf(&DoubleFunction, Ref(x)); | |
4513 | ||
4514 | EXPECT_TRUE(matcher.Matches(x)); | |
4515 | EXPECT_FALSE(matcher.Matches(x2)); | |
4516 | ||
4517 | // Test that ResultOf works with uncopyable objects | |
4518 | Uncopyable obj(0); | |
4519 | Uncopyable obj2(0); | |
4520 | Matcher<Uncopyable&> matcher2 = | |
4521 | ResultOf(&RefUncopyableFunction, Ref(obj)); | |
4522 | ||
4523 | EXPECT_TRUE(matcher2.Matches(obj)); | |
4524 | EXPECT_FALSE(matcher2.Matches(obj2)); | |
4525 | } | |
4526 | ||
4527 | // Tests that ResultOf(f, ...) compiles and works as expected when f(x) | |
4528 | // returns a reference to const. | |
1e59de90 | 4529 | const std::string& StringFunction(const std::string& input) { return input; } |
31f18b77 FG |
4530 | |
4531 | TEST(ResultOfTest, WorksForReferenceToConstResults) { | |
1e59de90 TL |
4532 | std::string s = "foo"; |
4533 | std::string s2 = s; | |
4534 | Matcher<const std::string&> matcher = ResultOf(&StringFunction, Ref(s)); | |
31f18b77 FG |
4535 | |
4536 | EXPECT_TRUE(matcher.Matches(s)); | |
4537 | EXPECT_FALSE(matcher.Matches(s2)); | |
4538 | } | |
4539 | ||
4540 | // Tests that ResultOf(f, m) works when f(x) and m's | |
4541 | // argument types are compatible but different. | |
4542 | TEST(ResultOfTest, WorksForCompatibleMatcherTypes) { | |
4543 | // IntFunction() returns int but the inner matcher expects a signed char. | |
4544 | Matcher<int> matcher = ResultOf(IntFunction, Matcher<signed char>(Ge(85))); | |
4545 | ||
4546 | EXPECT_TRUE(matcher.Matches(36)); | |
4547 | EXPECT_FALSE(matcher.Matches(42)); | |
4548 | } | |
4549 | ||
4550 | // Tests that the program aborts when ResultOf is passed | |
4551 | // a NULL function pointer. | |
4552 | TEST(ResultOfDeathTest, DiesOnNullFunctionPointers) { | |
4553 | EXPECT_DEATH_IF_SUPPORTED( | |
1e59de90 TL |
4554 | ResultOf(static_cast<std::string (*)(int dummy)>(nullptr), |
4555 | Eq(std::string("foo"))), | |
4556 | "NULL function pointer is passed into ResultOf\\(\\)\\."); | |
31f18b77 FG |
4557 | } |
4558 | ||
4559 | // Tests that ResultOf(f, ...) compiles and works as expected when f is a | |
4560 | // function reference. | |
4561 | TEST(ResultOfTest, WorksForFunctionReferences) { | |
4562 | Matcher<int> matcher = ResultOf(IntToStringFunction, StrEq("foo")); | |
4563 | EXPECT_TRUE(matcher.Matches(1)); | |
4564 | EXPECT_FALSE(matcher.Matches(2)); | |
4565 | } | |
4566 | ||
4567 | // Tests that ResultOf(f, ...) compiles and works as expected when f is a | |
4568 | // function object. | |
1e59de90 TL |
4569 | struct Functor { |
4570 | std::string operator()(int input) const { | |
31f18b77 FG |
4571 | return IntToStringFunction(input); |
4572 | } | |
4573 | }; | |
4574 | ||
4575 | TEST(ResultOfTest, WorksForFunctors) { | |
1e59de90 | 4576 | Matcher<int> matcher = ResultOf(Functor(), Eq(std::string("foo"))); |
31f18b77 FG |
4577 | |
4578 | EXPECT_TRUE(matcher.Matches(1)); | |
4579 | EXPECT_FALSE(matcher.Matches(2)); | |
4580 | } | |
4581 | ||
4582 | // Tests that ResultOf(f, ...) compiles and works as expected when f is a | |
1e59de90 | 4583 | // functor with more than one operator() defined. ResultOf() must work |
31f18b77 FG |
4584 | // for each defined operator(). |
4585 | struct PolymorphicFunctor { | |
4586 | typedef int result_type; | |
4587 | int operator()(int n) { return n; } | |
4588 | int operator()(const char* s) { return static_cast<int>(strlen(s)); } | |
1e59de90 | 4589 | std::string operator()(int *p) { return p ? "good ptr" : "null"; } |
31f18b77 FG |
4590 | }; |
4591 | ||
4592 | TEST(ResultOfTest, WorksForPolymorphicFunctors) { | |
4593 | Matcher<int> matcher_int = ResultOf(PolymorphicFunctor(), Ge(5)); | |
4594 | ||
4595 | EXPECT_TRUE(matcher_int.Matches(10)); | |
4596 | EXPECT_FALSE(matcher_int.Matches(2)); | |
4597 | ||
4598 | Matcher<const char*> matcher_string = ResultOf(PolymorphicFunctor(), Ge(5)); | |
4599 | ||
4600 | EXPECT_TRUE(matcher_string.Matches("long string")); | |
4601 | EXPECT_FALSE(matcher_string.Matches("shrt")); | |
4602 | } | |
4603 | ||
1e59de90 TL |
4604 | TEST(ResultOfTest, WorksForPolymorphicFunctorsIgnoringResultType) { |
4605 | Matcher<int*> matcher = ResultOf(PolymorphicFunctor(), "good ptr"); | |
4606 | ||
4607 | int n = 0; | |
4608 | EXPECT_TRUE(matcher.Matches(&n)); | |
4609 | EXPECT_FALSE(matcher.Matches(nullptr)); | |
4610 | } | |
4611 | ||
4612 | TEST(ResultOfTest, WorksForLambdas) { | |
4613 | Matcher<int> matcher = ResultOf( | |
4614 | [](int str_len) { | |
4615 | return std::string(static_cast<size_t>(str_len), 'x'); | |
4616 | }, | |
4617 | "xxx"); | |
4618 | EXPECT_TRUE(matcher.Matches(3)); | |
4619 | EXPECT_FALSE(matcher.Matches(1)); | |
4620 | } | |
4621 | ||
4622 | TEST(ResultOfTest, WorksForNonCopyableArguments) { | |
4623 | Matcher<std::unique_ptr<int>> matcher = ResultOf( | |
4624 | [](const std::unique_ptr<int>& str_len) { | |
4625 | return std::string(static_cast<size_t>(*str_len), 'x'); | |
4626 | }, | |
4627 | "xxx"); | |
4628 | EXPECT_TRUE(matcher.Matches(std::unique_ptr<int>(new int(3)))); | |
4629 | EXPECT_FALSE(matcher.Matches(std::unique_ptr<int>(new int(1)))); | |
4630 | } | |
4631 | ||
31f18b77 FG |
4632 | const int* ReferencingFunction(const int& n) { return &n; } |
4633 | ||
4634 | struct ReferencingFunctor { | |
4635 | typedef const int* result_type; | |
4636 | result_type operator()(const int& n) { return &n; } | |
4637 | }; | |
4638 | ||
4639 | TEST(ResultOfTest, WorksForReferencingCallables) { | |
4640 | const int n = 1; | |
4641 | const int n2 = 1; | |
4642 | Matcher<const int&> matcher2 = ResultOf(ReferencingFunction, Eq(&n)); | |
4643 | EXPECT_TRUE(matcher2.Matches(n)); | |
4644 | EXPECT_FALSE(matcher2.Matches(n2)); | |
4645 | ||
4646 | Matcher<const int&> matcher3 = ResultOf(ReferencingFunctor(), Eq(&n)); | |
4647 | EXPECT_TRUE(matcher3.Matches(n)); | |
4648 | EXPECT_FALSE(matcher3.Matches(n2)); | |
4649 | } | |
4650 | ||
4651 | class DivisibleByImpl { | |
4652 | public: | |
4653 | explicit DivisibleByImpl(int a_divider) : divider_(a_divider) {} | |
4654 | ||
4655 | // For testing using ExplainMatchResultTo() with polymorphic matchers. | |
4656 | template <typename T> | |
4657 | bool MatchAndExplain(const T& n, MatchResultListener* listener) const { | |
4658 | *listener << "which is " << (n % divider_) << " modulo " | |
4659 | << divider_; | |
4660 | return (n % divider_) == 0; | |
4661 | } | |
4662 | ||
4663 | void DescribeTo(ostream* os) const { | |
4664 | *os << "is divisible by " << divider_; | |
4665 | } | |
4666 | ||
4667 | void DescribeNegationTo(ostream* os) const { | |
4668 | *os << "is not divisible by " << divider_; | |
4669 | } | |
4670 | ||
4671 | void set_divider(int a_divider) { divider_ = a_divider; } | |
4672 | int divider() const { return divider_; } | |
4673 | ||
4674 | private: | |
4675 | int divider_; | |
4676 | }; | |
4677 | ||
4678 | PolymorphicMatcher<DivisibleByImpl> DivisibleBy(int n) { | |
4679 | return MakePolymorphicMatcher(DivisibleByImpl(n)); | |
4680 | } | |
4681 | ||
4682 | // Tests that when AllOf() fails, only the first failing matcher is | |
4683 | // asked to explain why. | |
4684 | TEST(ExplainMatchResultTest, AllOf_False_False) { | |
4685 | const Matcher<int> m = AllOf(DivisibleBy(4), DivisibleBy(3)); | |
4686 | EXPECT_EQ("which is 1 modulo 4", Explain(m, 5)); | |
4687 | } | |
4688 | ||
4689 | // Tests that when AllOf() fails, only the first failing matcher is | |
4690 | // asked to explain why. | |
4691 | TEST(ExplainMatchResultTest, AllOf_False_True) { | |
4692 | const Matcher<int> m = AllOf(DivisibleBy(4), DivisibleBy(3)); | |
4693 | EXPECT_EQ("which is 2 modulo 4", Explain(m, 6)); | |
4694 | } | |
4695 | ||
4696 | // Tests that when AllOf() fails, only the first failing matcher is | |
4697 | // asked to explain why. | |
4698 | TEST(ExplainMatchResultTest, AllOf_True_False) { | |
4699 | const Matcher<int> m = AllOf(Ge(1), DivisibleBy(3)); | |
4700 | EXPECT_EQ("which is 2 modulo 3", Explain(m, 5)); | |
4701 | } | |
4702 | ||
4703 | // Tests that when AllOf() succeeds, all matchers are asked to explain | |
4704 | // why. | |
4705 | TEST(ExplainMatchResultTest, AllOf_True_True) { | |
4706 | const Matcher<int> m = AllOf(DivisibleBy(2), DivisibleBy(3)); | |
4707 | EXPECT_EQ("which is 0 modulo 2, and which is 0 modulo 3", Explain(m, 6)); | |
4708 | } | |
4709 | ||
4710 | TEST(ExplainMatchResultTest, AllOf_True_True_2) { | |
4711 | const Matcher<int> m = AllOf(Ge(2), Le(3)); | |
4712 | EXPECT_EQ("", Explain(m, 2)); | |
4713 | } | |
4714 | ||
4715 | TEST(ExplainmatcherResultTest, MonomorphicMatcher) { | |
4716 | const Matcher<int> m = GreaterThan(5); | |
4717 | EXPECT_EQ("which is 1 more than 5", Explain(m, 6)); | |
4718 | } | |
4719 | ||
4720 | // The following two tests verify that values without a public copy | |
4721 | // ctor can be used as arguments to matchers like Eq(), Ge(), and etc | |
4722 | // with the help of ByRef(). | |
4723 | ||
4724 | class NotCopyable { | |
4725 | public: | |
4726 | explicit NotCopyable(int a_value) : value_(a_value) {} | |
4727 | ||
4728 | int value() const { return value_; } | |
4729 | ||
4730 | bool operator==(const NotCopyable& rhs) const { | |
4731 | return value() == rhs.value(); | |
4732 | } | |
4733 | ||
4734 | bool operator>=(const NotCopyable& rhs) const { | |
4735 | return value() >= rhs.value(); | |
4736 | } | |
4737 | private: | |
4738 | int value_; | |
4739 | ||
4740 | GTEST_DISALLOW_COPY_AND_ASSIGN_(NotCopyable); | |
4741 | }; | |
4742 | ||
4743 | TEST(ByRefTest, AllowsNotCopyableConstValueInMatchers) { | |
4744 | const NotCopyable const_value1(1); | |
4745 | const Matcher<const NotCopyable&> m = Eq(ByRef(const_value1)); | |
4746 | ||
4747 | const NotCopyable n1(1), n2(2); | |
4748 | EXPECT_TRUE(m.Matches(n1)); | |
4749 | EXPECT_FALSE(m.Matches(n2)); | |
4750 | } | |
4751 | ||
4752 | TEST(ByRefTest, AllowsNotCopyableValueInMatchers) { | |
4753 | NotCopyable value2(2); | |
4754 | const Matcher<NotCopyable&> m = Ge(ByRef(value2)); | |
4755 | ||
4756 | NotCopyable n1(1), n2(2); | |
4757 | EXPECT_FALSE(m.Matches(n1)); | |
4758 | EXPECT_TRUE(m.Matches(n2)); | |
4759 | } | |
4760 | ||
4761 | TEST(IsEmptyTest, ImplementsIsEmpty) { | |
4762 | vector<int> container; | |
4763 | EXPECT_THAT(container, IsEmpty()); | |
4764 | container.push_back(0); | |
4765 | EXPECT_THAT(container, Not(IsEmpty())); | |
4766 | container.push_back(1); | |
4767 | EXPECT_THAT(container, Not(IsEmpty())); | |
4768 | } | |
4769 | ||
4770 | TEST(IsEmptyTest, WorksWithString) { | |
1e59de90 | 4771 | std::string text; |
31f18b77 FG |
4772 | EXPECT_THAT(text, IsEmpty()); |
4773 | text = "foo"; | |
4774 | EXPECT_THAT(text, Not(IsEmpty())); | |
1e59de90 | 4775 | text = std::string("\0", 1); |
31f18b77 FG |
4776 | EXPECT_THAT(text, Not(IsEmpty())); |
4777 | } | |
4778 | ||
4779 | TEST(IsEmptyTest, CanDescribeSelf) { | |
4780 | Matcher<vector<int> > m = IsEmpty(); | |
4781 | EXPECT_EQ("is empty", Describe(m)); | |
4782 | EXPECT_EQ("isn't empty", DescribeNegation(m)); | |
4783 | } | |
4784 | ||
4785 | TEST(IsEmptyTest, ExplainsResult) { | |
4786 | Matcher<vector<int> > m = IsEmpty(); | |
4787 | vector<int> container; | |
4788 | EXPECT_EQ("", Explain(m, container)); | |
4789 | container.push_back(0); | |
4790 | EXPECT_EQ("whose size is 1", Explain(m, container)); | |
4791 | } | |
4792 | ||
1e59de90 TL |
4793 | TEST(IsEmptyTest, WorksWithMoveOnly) { |
4794 | ContainerHelper helper; | |
4795 | EXPECT_CALL(helper, Call(IsEmpty())); | |
4796 | helper.Call({}); | |
4797 | } | |
4798 | ||
4799 | TEST(IsTrueTest, IsTrueIsFalse) { | |
4800 | EXPECT_THAT(true, IsTrue()); | |
4801 | EXPECT_THAT(false, IsFalse()); | |
4802 | EXPECT_THAT(true, Not(IsFalse())); | |
4803 | EXPECT_THAT(false, Not(IsTrue())); | |
4804 | EXPECT_THAT(0, Not(IsTrue())); | |
4805 | EXPECT_THAT(0, IsFalse()); | |
4806 | EXPECT_THAT(nullptr, Not(IsTrue())); | |
4807 | EXPECT_THAT(nullptr, IsFalse()); | |
4808 | EXPECT_THAT(-1, IsTrue()); | |
4809 | EXPECT_THAT(-1, Not(IsFalse())); | |
4810 | EXPECT_THAT(1, IsTrue()); | |
4811 | EXPECT_THAT(1, Not(IsFalse())); | |
4812 | EXPECT_THAT(2, IsTrue()); | |
4813 | EXPECT_THAT(2, Not(IsFalse())); | |
4814 | int a = 42; | |
4815 | EXPECT_THAT(a, IsTrue()); | |
4816 | EXPECT_THAT(a, Not(IsFalse())); | |
4817 | EXPECT_THAT(&a, IsTrue()); | |
4818 | EXPECT_THAT(&a, Not(IsFalse())); | |
4819 | EXPECT_THAT(false, Not(IsTrue())); | |
4820 | EXPECT_THAT(true, Not(IsFalse())); | |
4821 | EXPECT_THAT(std::true_type(), IsTrue()); | |
4822 | EXPECT_THAT(std::true_type(), Not(IsFalse())); | |
4823 | EXPECT_THAT(std::false_type(), IsFalse()); | |
4824 | EXPECT_THAT(std::false_type(), Not(IsTrue())); | |
4825 | EXPECT_THAT(nullptr, Not(IsTrue())); | |
4826 | EXPECT_THAT(nullptr, IsFalse()); | |
4827 | std::unique_ptr<int> null_unique; | |
4828 | std::unique_ptr<int> nonnull_unique(new int(0)); | |
4829 | EXPECT_THAT(null_unique, Not(IsTrue())); | |
4830 | EXPECT_THAT(null_unique, IsFalse()); | |
4831 | EXPECT_THAT(nonnull_unique, IsTrue()); | |
4832 | EXPECT_THAT(nonnull_unique, Not(IsFalse())); | |
4833 | } | |
4834 | ||
31f18b77 FG |
4835 | TEST(SizeIsTest, ImplementsSizeIs) { |
4836 | vector<int> container; | |
4837 | EXPECT_THAT(container, SizeIs(0)); | |
4838 | EXPECT_THAT(container, Not(SizeIs(1))); | |
4839 | container.push_back(0); | |
4840 | EXPECT_THAT(container, Not(SizeIs(0))); | |
4841 | EXPECT_THAT(container, SizeIs(1)); | |
4842 | container.push_back(0); | |
4843 | EXPECT_THAT(container, Not(SizeIs(0))); | |
4844 | EXPECT_THAT(container, SizeIs(2)); | |
4845 | } | |
4846 | ||
4847 | TEST(SizeIsTest, WorksWithMap) { | |
1e59de90 | 4848 | map<std::string, int> container; |
31f18b77 FG |
4849 | EXPECT_THAT(container, SizeIs(0)); |
4850 | EXPECT_THAT(container, Not(SizeIs(1))); | |
4851 | container.insert(make_pair("foo", 1)); | |
4852 | EXPECT_THAT(container, Not(SizeIs(0))); | |
4853 | EXPECT_THAT(container, SizeIs(1)); | |
4854 | container.insert(make_pair("bar", 2)); | |
4855 | EXPECT_THAT(container, Not(SizeIs(0))); | |
4856 | EXPECT_THAT(container, SizeIs(2)); | |
4857 | } | |
4858 | ||
4859 | TEST(SizeIsTest, WorksWithReferences) { | |
4860 | vector<int> container; | |
4861 | Matcher<const vector<int>&> m = SizeIs(1); | |
4862 | EXPECT_THAT(container, Not(m)); | |
4863 | container.push_back(0); | |
4864 | EXPECT_THAT(container, m); | |
4865 | } | |
4866 | ||
1e59de90 TL |
4867 | TEST(SizeIsTest, WorksWithMoveOnly) { |
4868 | ContainerHelper helper; | |
4869 | EXPECT_CALL(helper, Call(SizeIs(3))); | |
4870 | helper.Call(MakeUniquePtrs({1, 2, 3})); | |
4871 | } | |
4872 | ||
4873 | // SizeIs should work for any type that provides a size() member function. | |
4874 | // For example, a size_type member type should not need to be provided. | |
4875 | struct MinimalistCustomType { | |
4876 | int size() const { return 1; } | |
4877 | }; | |
4878 | TEST(SizeIsTest, WorksWithMinimalistCustomType) { | |
4879 | MinimalistCustomType container; | |
4880 | EXPECT_THAT(container, SizeIs(1)); | |
4881 | EXPECT_THAT(container, Not(SizeIs(0))); | |
4882 | } | |
4883 | ||
31f18b77 FG |
4884 | TEST(SizeIsTest, CanDescribeSelf) { |
4885 | Matcher<vector<int> > m = SizeIs(2); | |
4886 | EXPECT_EQ("size is equal to 2", Describe(m)); | |
4887 | EXPECT_EQ("size isn't equal to 2", DescribeNegation(m)); | |
4888 | } | |
4889 | ||
4890 | TEST(SizeIsTest, ExplainsResult) { | |
4891 | Matcher<vector<int> > m1 = SizeIs(2); | |
4892 | Matcher<vector<int> > m2 = SizeIs(Lt(2u)); | |
4893 | Matcher<vector<int> > m3 = SizeIs(AnyOf(0, 3)); | |
1e59de90 | 4894 | Matcher<vector<int> > m4 = SizeIs(Gt(1u)); |
31f18b77 FG |
4895 | vector<int> container; |
4896 | EXPECT_EQ("whose size 0 doesn't match", Explain(m1, container)); | |
4897 | EXPECT_EQ("whose size 0 matches", Explain(m2, container)); | |
4898 | EXPECT_EQ("whose size 0 matches", Explain(m3, container)); | |
1e59de90 | 4899 | EXPECT_EQ("whose size 0 doesn't match", Explain(m4, container)); |
31f18b77 FG |
4900 | container.push_back(0); |
4901 | container.push_back(0); | |
4902 | EXPECT_EQ("whose size 2 matches", Explain(m1, container)); | |
4903 | EXPECT_EQ("whose size 2 doesn't match", Explain(m2, container)); | |
4904 | EXPECT_EQ("whose size 2 doesn't match", Explain(m3, container)); | |
1e59de90 | 4905 | EXPECT_EQ("whose size 2 matches", Explain(m4, container)); |
31f18b77 FG |
4906 | } |
4907 | ||
4908 | #if GTEST_HAS_TYPED_TEST | |
4909 | // Tests ContainerEq with different container types, and | |
4910 | // different element types. | |
4911 | ||
4912 | template <typename T> | |
4913 | class ContainerEqTest : public testing::Test {}; | |
4914 | ||
4915 | typedef testing::Types< | |
4916 | set<int>, | |
4917 | vector<size_t>, | |
4918 | multiset<size_t>, | |
4919 | list<int> > | |
4920 | ContainerEqTestTypes; | |
4921 | ||
1e59de90 | 4922 | TYPED_TEST_SUITE(ContainerEqTest, ContainerEqTestTypes); |
31f18b77 FG |
4923 | |
4924 | // Tests that the filled container is equal to itself. | |
4925 | TYPED_TEST(ContainerEqTest, EqualsSelf) { | |
4926 | static const int vals[] = {1, 1, 2, 3, 5, 8}; | |
4927 | TypeParam my_set(vals, vals + 6); | |
4928 | const Matcher<TypeParam> m = ContainerEq(my_set); | |
4929 | EXPECT_TRUE(m.Matches(my_set)); | |
4930 | EXPECT_EQ("", Explain(m, my_set)); | |
4931 | } | |
4932 | ||
4933 | // Tests that missing values are reported. | |
4934 | TYPED_TEST(ContainerEqTest, ValueMissing) { | |
4935 | static const int vals[] = {1, 1, 2, 3, 5, 8}; | |
4936 | static const int test_vals[] = {2, 1, 8, 5}; | |
4937 | TypeParam my_set(vals, vals + 6); | |
4938 | TypeParam test_set(test_vals, test_vals + 4); | |
4939 | const Matcher<TypeParam> m = ContainerEq(my_set); | |
4940 | EXPECT_FALSE(m.Matches(test_set)); | |
4941 | EXPECT_EQ("which doesn't have these expected elements: 3", | |
4942 | Explain(m, test_set)); | |
4943 | } | |
4944 | ||
4945 | // Tests that added values are reported. | |
4946 | TYPED_TEST(ContainerEqTest, ValueAdded) { | |
4947 | static const int vals[] = {1, 1, 2, 3, 5, 8}; | |
4948 | static const int test_vals[] = {1, 2, 3, 5, 8, 46}; | |
4949 | TypeParam my_set(vals, vals + 6); | |
4950 | TypeParam test_set(test_vals, test_vals + 6); | |
4951 | const Matcher<const TypeParam&> m = ContainerEq(my_set); | |
4952 | EXPECT_FALSE(m.Matches(test_set)); | |
4953 | EXPECT_EQ("which has these unexpected elements: 46", Explain(m, test_set)); | |
4954 | } | |
4955 | ||
4956 | // Tests that added and missing values are reported together. | |
4957 | TYPED_TEST(ContainerEqTest, ValueAddedAndRemoved) { | |
4958 | static const int vals[] = {1, 1, 2, 3, 5, 8}; | |
4959 | static const int test_vals[] = {1, 2, 3, 8, 46}; | |
4960 | TypeParam my_set(vals, vals + 6); | |
4961 | TypeParam test_set(test_vals, test_vals + 5); | |
4962 | const Matcher<TypeParam> m = ContainerEq(my_set); | |
4963 | EXPECT_FALSE(m.Matches(test_set)); | |
4964 | EXPECT_EQ("which has these unexpected elements: 46,\n" | |
4965 | "and doesn't have these expected elements: 5", | |
4966 | Explain(m, test_set)); | |
4967 | } | |
4968 | ||
4969 | // Tests duplicated value -- expect no explanation. | |
4970 | TYPED_TEST(ContainerEqTest, DuplicateDifference) { | |
4971 | static const int vals[] = {1, 1, 2, 3, 5, 8}; | |
4972 | static const int test_vals[] = {1, 2, 3, 5, 8}; | |
4973 | TypeParam my_set(vals, vals + 6); | |
4974 | TypeParam test_set(test_vals, test_vals + 5); | |
4975 | const Matcher<const TypeParam&> m = ContainerEq(my_set); | |
4976 | // Depending on the container, match may be true or false | |
4977 | // But in any case there should be no explanation. | |
4978 | EXPECT_EQ("", Explain(m, test_set)); | |
4979 | } | |
4980 | #endif // GTEST_HAS_TYPED_TEST | |
4981 | ||
1e59de90 TL |
4982 | // Tests that multiple missing values are reported. |
4983 | // Using just vector here, so order is predictable. | |
31f18b77 FG |
4984 | TEST(ContainerEqExtraTest, MultipleValuesMissing) { |
4985 | static const int vals[] = {1, 1, 2, 3, 5, 8}; | |
4986 | static const int test_vals[] = {2, 1, 5}; | |
4987 | vector<int> my_set(vals, vals + 6); | |
4988 | vector<int> test_set(test_vals, test_vals + 3); | |
4989 | const Matcher<vector<int> > m = ContainerEq(my_set); | |
4990 | EXPECT_FALSE(m.Matches(test_set)); | |
4991 | EXPECT_EQ("which doesn't have these expected elements: 3, 8", | |
4992 | Explain(m, test_set)); | |
4993 | } | |
4994 | ||
4995 | // Tests that added values are reported. | |
1e59de90 | 4996 | // Using just vector here, so order is predictable. |
31f18b77 FG |
4997 | TEST(ContainerEqExtraTest, MultipleValuesAdded) { |
4998 | static const int vals[] = {1, 1, 2, 3, 5, 8}; | |
4999 | static const int test_vals[] = {1, 2, 92, 3, 5, 8, 46}; | |
5000 | list<size_t> my_set(vals, vals + 6); | |
5001 | list<size_t> test_set(test_vals, test_vals + 7); | |
5002 | const Matcher<const list<size_t>&> m = ContainerEq(my_set); | |
5003 | EXPECT_FALSE(m.Matches(test_set)); | |
5004 | EXPECT_EQ("which has these unexpected elements: 92, 46", | |
5005 | Explain(m, test_set)); | |
5006 | } | |
5007 | ||
5008 | // Tests that added and missing values are reported together. | |
5009 | TEST(ContainerEqExtraTest, MultipleValuesAddedAndRemoved) { | |
5010 | static const int vals[] = {1, 1, 2, 3, 5, 8}; | |
5011 | static const int test_vals[] = {1, 2, 3, 92, 46}; | |
5012 | list<size_t> my_set(vals, vals + 6); | |
5013 | list<size_t> test_set(test_vals, test_vals + 5); | |
5014 | const Matcher<const list<size_t> > m = ContainerEq(my_set); | |
5015 | EXPECT_FALSE(m.Matches(test_set)); | |
5016 | EXPECT_EQ("which has these unexpected elements: 92, 46,\n" | |
5017 | "and doesn't have these expected elements: 5, 8", | |
5018 | Explain(m, test_set)); | |
5019 | } | |
5020 | ||
5021 | // Tests to see that duplicate elements are detected, | |
5022 | // but (as above) not reported in the explanation. | |
5023 | TEST(ContainerEqExtraTest, MultiSetOfIntDuplicateDifference) { | |
5024 | static const int vals[] = {1, 1, 2, 3, 5, 8}; | |
5025 | static const int test_vals[] = {1, 2, 3, 5, 8}; | |
5026 | vector<int> my_set(vals, vals + 6); | |
5027 | vector<int> test_set(test_vals, test_vals + 5); | |
5028 | const Matcher<vector<int> > m = ContainerEq(my_set); | |
5029 | EXPECT_TRUE(m.Matches(my_set)); | |
5030 | EXPECT_FALSE(m.Matches(test_set)); | |
5031 | // There is nothing to report when both sets contain all the same values. | |
5032 | EXPECT_EQ("", Explain(m, test_set)); | |
5033 | } | |
5034 | ||
5035 | // Tests that ContainerEq works for non-trivial associative containers, | |
5036 | // like maps. | |
5037 | TEST(ContainerEqExtraTest, WorksForMaps) { | |
5038 | map<int, std::string> my_map; | |
5039 | my_map[0] = "a"; | |
5040 | my_map[1] = "b"; | |
5041 | ||
5042 | map<int, std::string> test_map; | |
5043 | test_map[0] = "aa"; | |
5044 | test_map[1] = "b"; | |
5045 | ||
5046 | const Matcher<const map<int, std::string>&> m = ContainerEq(my_map); | |
5047 | EXPECT_TRUE(m.Matches(my_map)); | |
5048 | EXPECT_FALSE(m.Matches(test_map)); | |
5049 | ||
5050 | EXPECT_EQ("which has these unexpected elements: (0, \"aa\"),\n" | |
5051 | "and doesn't have these expected elements: (0, \"a\")", | |
5052 | Explain(m, test_map)); | |
5053 | } | |
5054 | ||
5055 | TEST(ContainerEqExtraTest, WorksForNativeArray) { | |
5056 | int a1[] = {1, 2, 3}; | |
5057 | int a2[] = {1, 2, 3}; | |
5058 | int b[] = {1, 2, 4}; | |
5059 | ||
5060 | EXPECT_THAT(a1, ContainerEq(a2)); | |
5061 | EXPECT_THAT(a1, Not(ContainerEq(b))); | |
5062 | } | |
5063 | ||
5064 | TEST(ContainerEqExtraTest, WorksForTwoDimensionalNativeArray) { | |
5065 | const char a1[][3] = {"hi", "lo"}; | |
5066 | const char a2[][3] = {"hi", "lo"}; | |
5067 | const char b[][3] = {"lo", "hi"}; | |
5068 | ||
5069 | // Tests using ContainerEq() in the first dimension. | |
5070 | EXPECT_THAT(a1, ContainerEq(a2)); | |
5071 | EXPECT_THAT(a1, Not(ContainerEq(b))); | |
5072 | ||
5073 | // Tests using ContainerEq() in the second dimension. | |
5074 | EXPECT_THAT(a1, ElementsAre(ContainerEq(a2[0]), ContainerEq(a2[1]))); | |
5075 | EXPECT_THAT(a1, ElementsAre(Not(ContainerEq(b[0])), ContainerEq(a2[1]))); | |
5076 | } | |
5077 | ||
5078 | TEST(ContainerEqExtraTest, WorksForNativeArrayAsTuple) { | |
5079 | const int a1[] = {1, 2, 3}; | |
5080 | const int a2[] = {1, 2, 3}; | |
5081 | const int b[] = {1, 2, 3, 4}; | |
5082 | ||
5083 | const int* const p1 = a1; | |
1e59de90 TL |
5084 | EXPECT_THAT(std::make_tuple(p1, 3), ContainerEq(a2)); |
5085 | EXPECT_THAT(std::make_tuple(p1, 3), Not(ContainerEq(b))); | |
31f18b77 FG |
5086 | |
5087 | const int c[] = {1, 3, 2}; | |
1e59de90 | 5088 | EXPECT_THAT(std::make_tuple(p1, 3), Not(ContainerEq(c))); |
31f18b77 FG |
5089 | } |
5090 | ||
5091 | TEST(ContainerEqExtraTest, CopiesNativeArrayParameter) { | |
5092 | std::string a1[][3] = { | |
5093 | {"hi", "hello", "ciao"}, | |
5094 | {"bye", "see you", "ciao"} | |
5095 | }; | |
5096 | ||
5097 | std::string a2[][3] = { | |
5098 | {"hi", "hello", "ciao"}, | |
5099 | {"bye", "see you", "ciao"} | |
5100 | }; | |
5101 | ||
5102 | const Matcher<const std::string(&)[2][3]> m = ContainerEq(a2); | |
5103 | EXPECT_THAT(a1, m); | |
5104 | ||
5105 | a2[0][0] = "ha"; | |
5106 | EXPECT_THAT(a1, m); | |
5107 | } | |
5108 | ||
5109 | TEST(WhenSortedByTest, WorksForEmptyContainer) { | |
5110 | const vector<int> numbers; | |
5111 | EXPECT_THAT(numbers, WhenSortedBy(less<int>(), ElementsAre())); | |
5112 | EXPECT_THAT(numbers, Not(WhenSortedBy(less<int>(), ElementsAre(1)))); | |
5113 | } | |
5114 | ||
5115 | TEST(WhenSortedByTest, WorksForNonEmptyContainer) { | |
5116 | vector<unsigned> numbers; | |
5117 | numbers.push_back(3); | |
5118 | numbers.push_back(1); | |
5119 | numbers.push_back(2); | |
5120 | numbers.push_back(2); | |
5121 | EXPECT_THAT(numbers, WhenSortedBy(greater<unsigned>(), | |
5122 | ElementsAre(3, 2, 2, 1))); | |
5123 | EXPECT_THAT(numbers, Not(WhenSortedBy(greater<unsigned>(), | |
5124 | ElementsAre(1, 2, 2, 3)))); | |
5125 | } | |
5126 | ||
5127 | TEST(WhenSortedByTest, WorksForNonVectorContainer) { | |
1e59de90 | 5128 | list<std::string> words; |
31f18b77 FG |
5129 | words.push_back("say"); |
5130 | words.push_back("hello"); | |
5131 | words.push_back("world"); | |
1e59de90 | 5132 | EXPECT_THAT(words, WhenSortedBy(less<std::string>(), |
31f18b77 | 5133 | ElementsAre("hello", "say", "world"))); |
1e59de90 | 5134 | EXPECT_THAT(words, Not(WhenSortedBy(less<std::string>(), |
31f18b77 FG |
5135 | ElementsAre("say", "hello", "world")))); |
5136 | } | |
5137 | ||
5138 | TEST(WhenSortedByTest, WorksForNativeArray) { | |
5139 | const int numbers[] = {1, 3, 2, 4}; | |
5140 | const int sorted_numbers[] = {1, 2, 3, 4}; | |
5141 | EXPECT_THAT(numbers, WhenSortedBy(less<int>(), ElementsAre(1, 2, 3, 4))); | |
5142 | EXPECT_THAT(numbers, WhenSortedBy(less<int>(), | |
5143 | ElementsAreArray(sorted_numbers))); | |
5144 | EXPECT_THAT(numbers, Not(WhenSortedBy(less<int>(), ElementsAre(1, 3, 2, 4)))); | |
5145 | } | |
5146 | ||
5147 | TEST(WhenSortedByTest, CanDescribeSelf) { | |
5148 | const Matcher<vector<int> > m = WhenSortedBy(less<int>(), ElementsAre(1, 2)); | |
5149 | EXPECT_EQ("(when sorted) has 2 elements where\n" | |
5150 | "element #0 is equal to 1,\n" | |
5151 | "element #1 is equal to 2", | |
5152 | Describe(m)); | |
5153 | EXPECT_EQ("(when sorted) doesn't have 2 elements, or\n" | |
5154 | "element #0 isn't equal to 1, or\n" | |
5155 | "element #1 isn't equal to 2", | |
5156 | DescribeNegation(m)); | |
5157 | } | |
5158 | ||
5159 | TEST(WhenSortedByTest, ExplainsMatchResult) { | |
5160 | const int a[] = {2, 1}; | |
5161 | EXPECT_EQ("which is { 1, 2 } when sorted, whose element #0 doesn't match", | |
5162 | Explain(WhenSortedBy(less<int>(), ElementsAre(2, 3)), a)); | |
5163 | EXPECT_EQ("which is { 1, 2 } when sorted", | |
5164 | Explain(WhenSortedBy(less<int>(), ElementsAre(1, 2)), a)); | |
5165 | } | |
5166 | ||
5167 | // WhenSorted() is a simple wrapper on WhenSortedBy(). Hence we don't | |
5168 | // need to test it as exhaustively as we test the latter. | |
5169 | ||
5170 | TEST(WhenSortedTest, WorksForEmptyContainer) { | |
5171 | const vector<int> numbers; | |
5172 | EXPECT_THAT(numbers, WhenSorted(ElementsAre())); | |
5173 | EXPECT_THAT(numbers, Not(WhenSorted(ElementsAre(1)))); | |
5174 | } | |
5175 | ||
5176 | TEST(WhenSortedTest, WorksForNonEmptyContainer) { | |
1e59de90 | 5177 | list<std::string> words; |
31f18b77 FG |
5178 | words.push_back("3"); |
5179 | words.push_back("1"); | |
5180 | words.push_back("2"); | |
5181 | words.push_back("2"); | |
5182 | EXPECT_THAT(words, WhenSorted(ElementsAre("1", "2", "2", "3"))); | |
5183 | EXPECT_THAT(words, Not(WhenSorted(ElementsAre("3", "1", "2", "2")))); | |
5184 | } | |
5185 | ||
5186 | TEST(WhenSortedTest, WorksForMapTypes) { | |
1e59de90 TL |
5187 | map<std::string, int> word_counts; |
5188 | word_counts["and"] = 1; | |
5189 | word_counts["the"] = 1; | |
5190 | word_counts["buffalo"] = 2; | |
5191 | EXPECT_THAT(word_counts, | |
5192 | WhenSorted(ElementsAre(Pair("and", 1), Pair("buffalo", 2), | |
5193 | Pair("the", 1)))); | |
5194 | EXPECT_THAT(word_counts, | |
5195 | Not(WhenSorted(ElementsAre(Pair("and", 1), Pair("the", 1), | |
5196 | Pair("buffalo", 2))))); | |
31f18b77 FG |
5197 | } |
5198 | ||
5199 | TEST(WhenSortedTest, WorksForMultiMapTypes) { | |
5200 | multimap<int, int> ifib; | |
5201 | ifib.insert(make_pair(8, 6)); | |
5202 | ifib.insert(make_pair(2, 3)); | |
5203 | ifib.insert(make_pair(1, 1)); | |
5204 | ifib.insert(make_pair(3, 4)); | |
5205 | ifib.insert(make_pair(1, 2)); | |
5206 | ifib.insert(make_pair(5, 5)); | |
5207 | EXPECT_THAT(ifib, WhenSorted(ElementsAre(Pair(1, 1), | |
5208 | Pair(1, 2), | |
5209 | Pair(2, 3), | |
5210 | Pair(3, 4), | |
5211 | Pair(5, 5), | |
5212 | Pair(8, 6)))); | |
5213 | EXPECT_THAT(ifib, Not(WhenSorted(ElementsAre(Pair(8, 6), | |
5214 | Pair(2, 3), | |
5215 | Pair(1, 1), | |
5216 | Pair(3, 4), | |
5217 | Pair(1, 2), | |
5218 | Pair(5, 5))))); | |
5219 | } | |
5220 | ||
5221 | TEST(WhenSortedTest, WorksForPolymorphicMatcher) { | |
5222 | std::deque<int> d; | |
5223 | d.push_back(2); | |
5224 | d.push_back(1); | |
5225 | EXPECT_THAT(d, WhenSorted(ElementsAre(1, 2))); | |
5226 | EXPECT_THAT(d, Not(WhenSorted(ElementsAre(2, 1)))); | |
5227 | } | |
5228 | ||
5229 | TEST(WhenSortedTest, WorksForVectorConstRefMatcher) { | |
5230 | std::deque<int> d; | |
5231 | d.push_back(2); | |
5232 | d.push_back(1); | |
5233 | Matcher<const std::vector<int>&> vector_match = ElementsAre(1, 2); | |
5234 | EXPECT_THAT(d, WhenSorted(vector_match)); | |
5235 | Matcher<const std::vector<int>&> not_vector_match = ElementsAre(2, 1); | |
5236 | EXPECT_THAT(d, Not(WhenSorted(not_vector_match))); | |
5237 | } | |
5238 | ||
5239 | // Deliberately bare pseudo-container. | |
5240 | // Offers only begin() and end() accessors, yielding InputIterator. | |
5241 | template <typename T> | |
5242 | class Streamlike { | |
5243 | private: | |
5244 | class ConstIter; | |
5245 | public: | |
5246 | typedef ConstIter const_iterator; | |
5247 | typedef T value_type; | |
5248 | ||
5249 | template <typename InIter> | |
5250 | Streamlike(InIter first, InIter last) : remainder_(first, last) {} | |
5251 | ||
5252 | const_iterator begin() const { | |
5253 | return const_iterator(this, remainder_.begin()); | |
5254 | } | |
5255 | const_iterator end() const { | |
5256 | return const_iterator(this, remainder_.end()); | |
5257 | } | |
5258 | ||
5259 | private: | |
5260 | class ConstIter : public std::iterator<std::input_iterator_tag, | |
5261 | value_type, | |
5262 | ptrdiff_t, | |
5263 | const value_type*, | |
5264 | const value_type&> { | |
5265 | public: | |
5266 | ConstIter(const Streamlike* s, | |
5267 | typename std::list<value_type>::iterator pos) | |
5268 | : s_(s), pos_(pos) {} | |
5269 | ||
5270 | const value_type& operator*() const { return *pos_; } | |
5271 | const value_type* operator->() const { return &*pos_; } | |
5272 | ConstIter& operator++() { | |
5273 | s_->remainder_.erase(pos_++); | |
5274 | return *this; | |
5275 | } | |
5276 | ||
5277 | // *iter++ is required to work (see std::istreambuf_iterator). | |
5278 | // (void)iter++ is also required to work. | |
5279 | class PostIncrProxy { | |
5280 | public: | |
5281 | explicit PostIncrProxy(const value_type& value) : value_(value) {} | |
5282 | value_type operator*() const { return value_; } | |
5283 | private: | |
5284 | value_type value_; | |
5285 | }; | |
5286 | PostIncrProxy operator++(int) { | |
5287 | PostIncrProxy proxy(**this); | |
5288 | ++(*this); | |
5289 | return proxy; | |
5290 | } | |
5291 | ||
5292 | friend bool operator==(const ConstIter& a, const ConstIter& b) { | |
5293 | return a.s_ == b.s_ && a.pos_ == b.pos_; | |
5294 | } | |
5295 | friend bool operator!=(const ConstIter& a, const ConstIter& b) { | |
5296 | return !(a == b); | |
5297 | } | |
5298 | ||
5299 | private: | |
5300 | const Streamlike* s_; | |
5301 | typename std::list<value_type>::iterator pos_; | |
5302 | }; | |
5303 | ||
5304 | friend std::ostream& operator<<(std::ostream& os, const Streamlike& s) { | |
5305 | os << "["; | |
5306 | typedef typename std::list<value_type>::const_iterator Iter; | |
5307 | const char* sep = ""; | |
5308 | for (Iter it = s.remainder_.begin(); it != s.remainder_.end(); ++it) { | |
5309 | os << sep << *it; | |
5310 | sep = ","; | |
5311 | } | |
5312 | os << "]"; | |
5313 | return os; | |
5314 | } | |
5315 | ||
5316 | mutable std::list<value_type> remainder_; // modified by iteration | |
5317 | }; | |
5318 | ||
5319 | TEST(StreamlikeTest, Iteration) { | |
5320 | const int a[5] = {2, 1, 4, 5, 3}; | |
5321 | Streamlike<int> s(a, a + 5); | |
5322 | Streamlike<int>::const_iterator it = s.begin(); | |
5323 | const int* ip = a; | |
5324 | while (it != s.end()) { | |
5325 | SCOPED_TRACE(ip - a); | |
5326 | EXPECT_EQ(*ip++, *it++); | |
5327 | } | |
5328 | } | |
5329 | ||
31f18b77 FG |
5330 | TEST(BeginEndDistanceIsTest, WorksWithForwardList) { |
5331 | std::forward_list<int> container; | |
5332 | EXPECT_THAT(container, BeginEndDistanceIs(0)); | |
5333 | EXPECT_THAT(container, Not(BeginEndDistanceIs(1))); | |
5334 | container.push_front(0); | |
5335 | EXPECT_THAT(container, Not(BeginEndDistanceIs(0))); | |
5336 | EXPECT_THAT(container, BeginEndDistanceIs(1)); | |
5337 | container.push_front(0); | |
5338 | EXPECT_THAT(container, Not(BeginEndDistanceIs(0))); | |
5339 | EXPECT_THAT(container, BeginEndDistanceIs(2)); | |
5340 | } | |
31f18b77 FG |
5341 | |
5342 | TEST(BeginEndDistanceIsTest, WorksWithNonStdList) { | |
5343 | const int a[5] = {1, 2, 3, 4, 5}; | |
5344 | Streamlike<int> s(a, a + 5); | |
5345 | EXPECT_THAT(s, BeginEndDistanceIs(5)); | |
5346 | } | |
5347 | ||
5348 | TEST(BeginEndDistanceIsTest, CanDescribeSelf) { | |
5349 | Matcher<vector<int> > m = BeginEndDistanceIs(2); | |
5350 | EXPECT_EQ("distance between begin() and end() is equal to 2", Describe(m)); | |
5351 | EXPECT_EQ("distance between begin() and end() isn't equal to 2", | |
5352 | DescribeNegation(m)); | |
5353 | } | |
5354 | ||
1e59de90 TL |
5355 | TEST(BeginEndDistanceIsTest, WorksWithMoveOnly) { |
5356 | ContainerHelper helper; | |
5357 | EXPECT_CALL(helper, Call(BeginEndDistanceIs(2))); | |
5358 | helper.Call(MakeUniquePtrs({1, 2})); | |
5359 | } | |
5360 | ||
31f18b77 FG |
5361 | TEST(BeginEndDistanceIsTest, ExplainsResult) { |
5362 | Matcher<vector<int> > m1 = BeginEndDistanceIs(2); | |
5363 | Matcher<vector<int> > m2 = BeginEndDistanceIs(Lt(2)); | |
5364 | Matcher<vector<int> > m3 = BeginEndDistanceIs(AnyOf(0, 3)); | |
5365 | Matcher<vector<int> > m4 = BeginEndDistanceIs(GreaterThan(1)); | |
5366 | vector<int> container; | |
5367 | EXPECT_EQ("whose distance between begin() and end() 0 doesn't match", | |
5368 | Explain(m1, container)); | |
5369 | EXPECT_EQ("whose distance between begin() and end() 0 matches", | |
5370 | Explain(m2, container)); | |
5371 | EXPECT_EQ("whose distance between begin() and end() 0 matches", | |
5372 | Explain(m3, container)); | |
5373 | EXPECT_EQ( | |
5374 | "whose distance between begin() and end() 0 doesn't match, which is 1 " | |
5375 | "less than 1", | |
5376 | Explain(m4, container)); | |
5377 | container.push_back(0); | |
5378 | container.push_back(0); | |
5379 | EXPECT_EQ("whose distance between begin() and end() 2 matches", | |
5380 | Explain(m1, container)); | |
5381 | EXPECT_EQ("whose distance between begin() and end() 2 doesn't match", | |
5382 | Explain(m2, container)); | |
5383 | EXPECT_EQ("whose distance between begin() and end() 2 doesn't match", | |
5384 | Explain(m3, container)); | |
5385 | EXPECT_EQ( | |
5386 | "whose distance between begin() and end() 2 matches, which is 1 more " | |
5387 | "than 1", | |
5388 | Explain(m4, container)); | |
5389 | } | |
5390 | ||
5391 | TEST(WhenSortedTest, WorksForStreamlike) { | |
5392 | // Streamlike 'container' provides only minimal iterator support. | |
5393 | // Its iterators are tagged with input_iterator_tag. | |
5394 | const int a[5] = {2, 1, 4, 5, 3}; | |
1e59de90 | 5395 | Streamlike<int> s(std::begin(a), std::end(a)); |
31f18b77 FG |
5396 | EXPECT_THAT(s, WhenSorted(ElementsAre(1, 2, 3, 4, 5))); |
5397 | EXPECT_THAT(s, Not(WhenSorted(ElementsAre(2, 1, 4, 5, 3)))); | |
5398 | } | |
5399 | ||
5400 | TEST(WhenSortedTest, WorksForVectorConstRefMatcherOnStreamlike) { | |
5401 | const int a[] = {2, 1, 4, 5, 3}; | |
1e59de90 | 5402 | Streamlike<int> s(std::begin(a), std::end(a)); |
31f18b77 FG |
5403 | Matcher<const std::vector<int>&> vector_match = ElementsAre(1, 2, 3, 4, 5); |
5404 | EXPECT_THAT(s, WhenSorted(vector_match)); | |
5405 | EXPECT_THAT(s, Not(WhenSorted(ElementsAre(2, 1, 4, 5, 3)))); | |
5406 | } | |
5407 | ||
1e59de90 TL |
5408 | TEST(IsSupersetOfTest, WorksForNativeArray) { |
5409 | const int subset[] = {1, 4}; | |
5410 | const int superset[] = {1, 2, 4}; | |
5411 | const int disjoint[] = {1, 0, 3}; | |
5412 | EXPECT_THAT(subset, IsSupersetOf(subset)); | |
5413 | EXPECT_THAT(subset, Not(IsSupersetOf(superset))); | |
5414 | EXPECT_THAT(superset, IsSupersetOf(subset)); | |
5415 | EXPECT_THAT(subset, Not(IsSupersetOf(disjoint))); | |
5416 | EXPECT_THAT(disjoint, Not(IsSupersetOf(subset))); | |
5417 | } | |
5418 | ||
5419 | TEST(IsSupersetOfTest, WorksWithDuplicates) { | |
5420 | const int not_enough[] = {1, 2}; | |
5421 | const int enough[] = {1, 1, 2}; | |
5422 | const int expected[] = {1, 1}; | |
5423 | EXPECT_THAT(not_enough, Not(IsSupersetOf(expected))); | |
5424 | EXPECT_THAT(enough, IsSupersetOf(expected)); | |
5425 | } | |
5426 | ||
5427 | TEST(IsSupersetOfTest, WorksForEmpty) { | |
5428 | vector<int> numbers; | |
5429 | vector<int> expected; | |
5430 | EXPECT_THAT(numbers, IsSupersetOf(expected)); | |
5431 | expected.push_back(1); | |
5432 | EXPECT_THAT(numbers, Not(IsSupersetOf(expected))); | |
5433 | expected.clear(); | |
5434 | numbers.push_back(1); | |
5435 | numbers.push_back(2); | |
5436 | EXPECT_THAT(numbers, IsSupersetOf(expected)); | |
5437 | expected.push_back(1); | |
5438 | EXPECT_THAT(numbers, IsSupersetOf(expected)); | |
5439 | expected.push_back(2); | |
5440 | EXPECT_THAT(numbers, IsSupersetOf(expected)); | |
5441 | expected.push_back(3); | |
5442 | EXPECT_THAT(numbers, Not(IsSupersetOf(expected))); | |
5443 | } | |
5444 | ||
5445 | TEST(IsSupersetOfTest, WorksForStreamlike) { | |
5446 | const int a[5] = {1, 2, 3, 4, 5}; | |
5447 | Streamlike<int> s(std::begin(a), std::end(a)); | |
5448 | ||
5449 | vector<int> expected; | |
5450 | expected.push_back(1); | |
5451 | expected.push_back(2); | |
5452 | expected.push_back(5); | |
5453 | EXPECT_THAT(s, IsSupersetOf(expected)); | |
5454 | ||
5455 | expected.push_back(0); | |
5456 | EXPECT_THAT(s, Not(IsSupersetOf(expected))); | |
5457 | } | |
5458 | ||
5459 | TEST(IsSupersetOfTest, TakesStlContainer) { | |
5460 | const int actual[] = {3, 1, 2}; | |
5461 | ||
5462 | ::std::list<int> expected; | |
5463 | expected.push_back(1); | |
5464 | expected.push_back(3); | |
5465 | EXPECT_THAT(actual, IsSupersetOf(expected)); | |
5466 | ||
5467 | expected.push_back(4); | |
5468 | EXPECT_THAT(actual, Not(IsSupersetOf(expected))); | |
5469 | } | |
5470 | ||
5471 | TEST(IsSupersetOfTest, Describe) { | |
5472 | typedef std::vector<int> IntVec; | |
5473 | IntVec expected; | |
5474 | expected.push_back(111); | |
5475 | expected.push_back(222); | |
5476 | expected.push_back(333); | |
5477 | EXPECT_THAT( | |
5478 | Describe<IntVec>(IsSupersetOf(expected)), | |
5479 | Eq("a surjection from elements to requirements exists such that:\n" | |
5480 | " - an element is equal to 111\n" | |
5481 | " - an element is equal to 222\n" | |
5482 | " - an element is equal to 333")); | |
5483 | } | |
5484 | ||
5485 | TEST(IsSupersetOfTest, DescribeNegation) { | |
5486 | typedef std::vector<int> IntVec; | |
5487 | IntVec expected; | |
5488 | expected.push_back(111); | |
5489 | expected.push_back(222); | |
5490 | expected.push_back(333); | |
5491 | EXPECT_THAT( | |
5492 | DescribeNegation<IntVec>(IsSupersetOf(expected)), | |
5493 | Eq("no surjection from elements to requirements exists such that:\n" | |
5494 | " - an element is equal to 111\n" | |
5495 | " - an element is equal to 222\n" | |
5496 | " - an element is equal to 333")); | |
5497 | } | |
5498 | ||
5499 | TEST(IsSupersetOfTest, MatchAndExplain) { | |
5500 | std::vector<int> v; | |
5501 | v.push_back(2); | |
5502 | v.push_back(3); | |
5503 | std::vector<int> expected; | |
5504 | expected.push_back(1); | |
5505 | expected.push_back(2); | |
5506 | StringMatchResultListener listener; | |
5507 | ASSERT_FALSE(ExplainMatchResult(IsSupersetOf(expected), v, &listener)) | |
5508 | << listener.str(); | |
5509 | EXPECT_THAT(listener.str(), | |
5510 | Eq("where the following matchers don't match any elements:\n" | |
5511 | "matcher #0: is equal to 1")); | |
5512 | ||
5513 | v.push_back(1); | |
5514 | listener.Clear(); | |
5515 | ASSERT_TRUE(ExplainMatchResult(IsSupersetOf(expected), v, &listener)) | |
5516 | << listener.str(); | |
5517 | EXPECT_THAT(listener.str(), Eq("where:\n" | |
5518 | " - element #0 is matched by matcher #1,\n" | |
5519 | " - element #2 is matched by matcher #0")); | |
5520 | } | |
5521 | ||
5522 | TEST(IsSupersetOfTest, WorksForRhsInitializerList) { | |
5523 | const int numbers[] = {1, 3, 6, 2, 4, 5}; | |
5524 | EXPECT_THAT(numbers, IsSupersetOf({1, 2})); | |
5525 | EXPECT_THAT(numbers, Not(IsSupersetOf({3, 0}))); | |
5526 | } | |
5527 | ||
5528 | TEST(IsSupersetOfTest, WorksWithMoveOnly) { | |
5529 | ContainerHelper helper; | |
5530 | EXPECT_CALL(helper, Call(IsSupersetOf({Pointee(1)}))); | |
5531 | helper.Call(MakeUniquePtrs({1, 2})); | |
5532 | EXPECT_CALL(helper, Call(Not(IsSupersetOf({Pointee(1), Pointee(2)})))); | |
5533 | helper.Call(MakeUniquePtrs({2})); | |
5534 | } | |
5535 | ||
5536 | TEST(IsSubsetOfTest, WorksForNativeArray) { | |
5537 | const int subset[] = {1, 4}; | |
5538 | const int superset[] = {1, 2, 4}; | |
5539 | const int disjoint[] = {1, 0, 3}; | |
5540 | EXPECT_THAT(subset, IsSubsetOf(subset)); | |
5541 | EXPECT_THAT(subset, IsSubsetOf(superset)); | |
5542 | EXPECT_THAT(superset, Not(IsSubsetOf(subset))); | |
5543 | EXPECT_THAT(subset, Not(IsSubsetOf(disjoint))); | |
5544 | EXPECT_THAT(disjoint, Not(IsSubsetOf(subset))); | |
5545 | } | |
5546 | ||
5547 | TEST(IsSubsetOfTest, WorksWithDuplicates) { | |
5548 | const int not_enough[] = {1, 2}; | |
5549 | const int enough[] = {1, 1, 2}; | |
5550 | const int actual[] = {1, 1}; | |
5551 | EXPECT_THAT(actual, Not(IsSubsetOf(not_enough))); | |
5552 | EXPECT_THAT(actual, IsSubsetOf(enough)); | |
5553 | } | |
5554 | ||
5555 | TEST(IsSubsetOfTest, WorksForEmpty) { | |
5556 | vector<int> numbers; | |
5557 | vector<int> expected; | |
5558 | EXPECT_THAT(numbers, IsSubsetOf(expected)); | |
5559 | expected.push_back(1); | |
5560 | EXPECT_THAT(numbers, IsSubsetOf(expected)); | |
5561 | expected.clear(); | |
5562 | numbers.push_back(1); | |
5563 | numbers.push_back(2); | |
5564 | EXPECT_THAT(numbers, Not(IsSubsetOf(expected))); | |
5565 | expected.push_back(1); | |
5566 | EXPECT_THAT(numbers, Not(IsSubsetOf(expected))); | |
5567 | expected.push_back(2); | |
5568 | EXPECT_THAT(numbers, IsSubsetOf(expected)); | |
5569 | expected.push_back(3); | |
5570 | EXPECT_THAT(numbers, IsSubsetOf(expected)); | |
5571 | } | |
5572 | ||
5573 | TEST(IsSubsetOfTest, WorksForStreamlike) { | |
5574 | const int a[5] = {1, 2}; | |
5575 | Streamlike<int> s(std::begin(a), std::end(a)); | |
5576 | ||
5577 | vector<int> expected; | |
5578 | expected.push_back(1); | |
5579 | EXPECT_THAT(s, Not(IsSubsetOf(expected))); | |
5580 | expected.push_back(2); | |
5581 | expected.push_back(5); | |
5582 | EXPECT_THAT(s, IsSubsetOf(expected)); | |
5583 | } | |
5584 | ||
5585 | TEST(IsSubsetOfTest, TakesStlContainer) { | |
5586 | const int actual[] = {3, 1, 2}; | |
5587 | ||
5588 | ::std::list<int> expected; | |
5589 | expected.push_back(1); | |
5590 | expected.push_back(3); | |
5591 | EXPECT_THAT(actual, Not(IsSubsetOf(expected))); | |
5592 | ||
5593 | expected.push_back(2); | |
5594 | expected.push_back(4); | |
5595 | EXPECT_THAT(actual, IsSubsetOf(expected)); | |
5596 | } | |
5597 | ||
5598 | TEST(IsSubsetOfTest, Describe) { | |
5599 | typedef std::vector<int> IntVec; | |
5600 | IntVec expected; | |
5601 | expected.push_back(111); | |
5602 | expected.push_back(222); | |
5603 | expected.push_back(333); | |
5604 | ||
5605 | EXPECT_THAT( | |
5606 | Describe<IntVec>(IsSubsetOf(expected)), | |
5607 | Eq("an injection from elements to requirements exists such that:\n" | |
5608 | " - an element is equal to 111\n" | |
5609 | " - an element is equal to 222\n" | |
5610 | " - an element is equal to 333")); | |
5611 | } | |
5612 | ||
5613 | TEST(IsSubsetOfTest, DescribeNegation) { | |
5614 | typedef std::vector<int> IntVec; | |
5615 | IntVec expected; | |
5616 | expected.push_back(111); | |
5617 | expected.push_back(222); | |
5618 | expected.push_back(333); | |
5619 | EXPECT_THAT( | |
5620 | DescribeNegation<IntVec>(IsSubsetOf(expected)), | |
5621 | Eq("no injection from elements to requirements exists such that:\n" | |
5622 | " - an element is equal to 111\n" | |
5623 | " - an element is equal to 222\n" | |
5624 | " - an element is equal to 333")); | |
5625 | } | |
5626 | ||
5627 | TEST(IsSubsetOfTest, MatchAndExplain) { | |
5628 | std::vector<int> v; | |
5629 | v.push_back(2); | |
5630 | v.push_back(3); | |
5631 | std::vector<int> expected; | |
5632 | expected.push_back(1); | |
5633 | expected.push_back(2); | |
5634 | StringMatchResultListener listener; | |
5635 | ASSERT_FALSE(ExplainMatchResult(IsSubsetOf(expected), v, &listener)) | |
5636 | << listener.str(); | |
5637 | EXPECT_THAT(listener.str(), | |
5638 | Eq("where the following elements don't match any matchers:\n" | |
5639 | "element #1: 3")); | |
5640 | ||
5641 | expected.push_back(3); | |
5642 | listener.Clear(); | |
5643 | ASSERT_TRUE(ExplainMatchResult(IsSubsetOf(expected), v, &listener)) | |
5644 | << listener.str(); | |
5645 | EXPECT_THAT(listener.str(), Eq("where:\n" | |
5646 | " - element #0 is matched by matcher #1,\n" | |
5647 | " - element #1 is matched by matcher #2")); | |
5648 | } | |
5649 | ||
5650 | TEST(IsSubsetOfTest, WorksForRhsInitializerList) { | |
5651 | const int numbers[] = {1, 2, 3}; | |
5652 | EXPECT_THAT(numbers, IsSubsetOf({1, 2, 3, 4})); | |
5653 | EXPECT_THAT(numbers, Not(IsSubsetOf({1, 2}))); | |
5654 | } | |
5655 | ||
5656 | TEST(IsSubsetOfTest, WorksWithMoveOnly) { | |
5657 | ContainerHelper helper; | |
5658 | EXPECT_CALL(helper, Call(IsSubsetOf({Pointee(1), Pointee(2)}))); | |
5659 | helper.Call(MakeUniquePtrs({1})); | |
5660 | EXPECT_CALL(helper, Call(Not(IsSubsetOf({Pointee(1)})))); | |
5661 | helper.Call(MakeUniquePtrs({2})); | |
5662 | } | |
5663 | ||
31f18b77 FG |
5664 | // Tests using ElementsAre() and ElementsAreArray() with stream-like |
5665 | // "containers". | |
5666 | ||
5667 | TEST(ElemensAreStreamTest, WorksForStreamlike) { | |
5668 | const int a[5] = {1, 2, 3, 4, 5}; | |
1e59de90 | 5669 | Streamlike<int> s(std::begin(a), std::end(a)); |
31f18b77 FG |
5670 | EXPECT_THAT(s, ElementsAre(1, 2, 3, 4, 5)); |
5671 | EXPECT_THAT(s, Not(ElementsAre(2, 1, 4, 5, 3))); | |
5672 | } | |
5673 | ||
5674 | TEST(ElemensAreArrayStreamTest, WorksForStreamlike) { | |
5675 | const int a[5] = {1, 2, 3, 4, 5}; | |
1e59de90 | 5676 | Streamlike<int> s(std::begin(a), std::end(a)); |
31f18b77 FG |
5677 | |
5678 | vector<int> expected; | |
5679 | expected.push_back(1); | |
5680 | expected.push_back(2); | |
5681 | expected.push_back(3); | |
5682 | expected.push_back(4); | |
5683 | expected.push_back(5); | |
5684 | EXPECT_THAT(s, ElementsAreArray(expected)); | |
5685 | ||
5686 | expected[3] = 0; | |
5687 | EXPECT_THAT(s, Not(ElementsAreArray(expected))); | |
5688 | } | |
5689 | ||
5690 | TEST(ElementsAreTest, WorksWithUncopyable) { | |
5691 | Uncopyable objs[2]; | |
5692 | objs[0].set_value(-3); | |
5693 | objs[1].set_value(1); | |
5694 | EXPECT_THAT(objs, ElementsAre(UncopyableIs(-3), Truly(ValueIsPositive))); | |
5695 | } | |
5696 | ||
1e59de90 TL |
5697 | TEST(ElementsAreTest, WorksWithMoveOnly) { |
5698 | ContainerHelper helper; | |
5699 | EXPECT_CALL(helper, Call(ElementsAre(Pointee(1), Pointee(2)))); | |
5700 | helper.Call(MakeUniquePtrs({1, 2})); | |
5701 | ||
5702 | EXPECT_CALL(helper, Call(ElementsAreArray({Pointee(3), Pointee(4)}))); | |
5703 | helper.Call(MakeUniquePtrs({3, 4})); | |
5704 | } | |
5705 | ||
31f18b77 FG |
5706 | TEST(ElementsAreTest, TakesStlContainer) { |
5707 | const int actual[] = {3, 1, 2}; | |
5708 | ||
5709 | ::std::list<int> expected; | |
5710 | expected.push_back(3); | |
5711 | expected.push_back(1); | |
5712 | expected.push_back(2); | |
5713 | EXPECT_THAT(actual, ElementsAreArray(expected)); | |
5714 | ||
5715 | expected.push_back(4); | |
5716 | EXPECT_THAT(actual, Not(ElementsAreArray(expected))); | |
5717 | } | |
5718 | ||
5719 | // Tests for UnorderedElementsAreArray() | |
5720 | ||
5721 | TEST(UnorderedElementsAreArrayTest, SucceedsWhenExpected) { | |
5722 | const int a[] = {0, 1, 2, 3, 4}; | |
1e59de90 | 5723 | std::vector<int> s(std::begin(a), std::end(a)); |
31f18b77 FG |
5724 | do { |
5725 | StringMatchResultListener listener; | |
5726 | EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAreArray(a), | |
5727 | s, &listener)) << listener.str(); | |
5728 | } while (std::next_permutation(s.begin(), s.end())); | |
5729 | } | |
5730 | ||
5731 | TEST(UnorderedElementsAreArrayTest, VectorBool) { | |
5732 | const bool a[] = {0, 1, 0, 1, 1}; | |
5733 | const bool b[] = {1, 0, 1, 1, 0}; | |
1e59de90 TL |
5734 | std::vector<bool> expected(std::begin(a), std::end(a)); |
5735 | std::vector<bool> actual(std::begin(b), std::end(b)); | |
31f18b77 FG |
5736 | StringMatchResultListener listener; |
5737 | EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAreArray(expected), | |
5738 | actual, &listener)) << listener.str(); | |
5739 | } | |
5740 | ||
5741 | TEST(UnorderedElementsAreArrayTest, WorksForStreamlike) { | |
5742 | // Streamlike 'container' provides only minimal iterator support. | |
5743 | // Its iterators are tagged with input_iterator_tag, and it has no | |
5744 | // size() or empty() methods. | |
5745 | const int a[5] = {2, 1, 4, 5, 3}; | |
1e59de90 | 5746 | Streamlike<int> s(std::begin(a), std::end(a)); |
31f18b77 FG |
5747 | |
5748 | ::std::vector<int> expected; | |
5749 | expected.push_back(1); | |
5750 | expected.push_back(2); | |
5751 | expected.push_back(3); | |
5752 | expected.push_back(4); | |
5753 | expected.push_back(5); | |
5754 | EXPECT_THAT(s, UnorderedElementsAreArray(expected)); | |
5755 | ||
5756 | expected.push_back(6); | |
5757 | EXPECT_THAT(s, Not(UnorderedElementsAreArray(expected))); | |
5758 | } | |
5759 | ||
5760 | TEST(UnorderedElementsAreArrayTest, TakesStlContainer) { | |
5761 | const int actual[] = {3, 1, 2}; | |
5762 | ||
5763 | ::std::list<int> expected; | |
5764 | expected.push_back(1); | |
5765 | expected.push_back(2); | |
5766 | expected.push_back(3); | |
5767 | EXPECT_THAT(actual, UnorderedElementsAreArray(expected)); | |
5768 | ||
5769 | expected.push_back(4); | |
5770 | EXPECT_THAT(actual, Not(UnorderedElementsAreArray(expected))); | |
5771 | } | |
5772 | ||
31f18b77 FG |
5773 | |
5774 | TEST(UnorderedElementsAreArrayTest, TakesInitializerList) { | |
5775 | const int a[5] = {2, 1, 4, 5, 3}; | |
5776 | EXPECT_THAT(a, UnorderedElementsAreArray({1, 2, 3, 4, 5})); | |
5777 | EXPECT_THAT(a, Not(UnorderedElementsAreArray({1, 2, 3, 4, 6}))); | |
5778 | } | |
5779 | ||
5780 | TEST(UnorderedElementsAreArrayTest, TakesInitializerListOfCStrings) { | |
1e59de90 | 5781 | const std::string a[5] = {"a", "b", "c", "d", "e"}; |
31f18b77 FG |
5782 | EXPECT_THAT(a, UnorderedElementsAreArray({"a", "b", "c", "d", "e"})); |
5783 | EXPECT_THAT(a, Not(UnorderedElementsAreArray({"a", "b", "c", "d", "ef"}))); | |
5784 | } | |
5785 | ||
5786 | TEST(UnorderedElementsAreArrayTest, TakesInitializerListOfSameTypedMatchers) { | |
5787 | const int a[5] = {2, 1, 4, 5, 3}; | |
5788 | EXPECT_THAT(a, UnorderedElementsAreArray( | |
5789 | {Eq(1), Eq(2), Eq(3), Eq(4), Eq(5)})); | |
5790 | EXPECT_THAT(a, Not(UnorderedElementsAreArray( | |
5791 | {Eq(1), Eq(2), Eq(3), Eq(4), Eq(6)}))); | |
5792 | } | |
5793 | ||
5794 | TEST(UnorderedElementsAreArrayTest, | |
5795 | TakesInitializerListOfDifferentTypedMatchers) { | |
5796 | const int a[5] = {2, 1, 4, 5, 3}; | |
5797 | // The compiler cannot infer the type of the initializer list if its | |
5798 | // elements have different types. We must explicitly specify the | |
5799 | // unified element type in this case. | |
5800 | EXPECT_THAT(a, UnorderedElementsAreArray<Matcher<int> >( | |
5801 | {Eq(1), Ne(-2), Ge(3), Le(4), Eq(5)})); | |
5802 | EXPECT_THAT(a, Not(UnorderedElementsAreArray<Matcher<int> >( | |
5803 | {Eq(1), Ne(-2), Ge(3), Le(4), Eq(6)}))); | |
5804 | } | |
5805 | ||
1e59de90 TL |
5806 | |
5807 | TEST(UnorderedElementsAreArrayTest, WorksWithMoveOnly) { | |
5808 | ContainerHelper helper; | |
5809 | EXPECT_CALL(helper, | |
5810 | Call(UnorderedElementsAreArray({Pointee(1), Pointee(2)}))); | |
5811 | helper.Call(MakeUniquePtrs({2, 1})); | |
5812 | } | |
31f18b77 FG |
5813 | |
5814 | class UnorderedElementsAreTest : public testing::Test { | |
5815 | protected: | |
5816 | typedef std::vector<int> IntVec; | |
5817 | }; | |
5818 | ||
5819 | TEST_F(UnorderedElementsAreTest, WorksWithUncopyable) { | |
5820 | Uncopyable objs[2]; | |
5821 | objs[0].set_value(-3); | |
5822 | objs[1].set_value(1); | |
5823 | EXPECT_THAT(objs, | |
5824 | UnorderedElementsAre(Truly(ValueIsPositive), UncopyableIs(-3))); | |
5825 | } | |
5826 | ||
5827 | TEST_F(UnorderedElementsAreTest, SucceedsWhenExpected) { | |
5828 | const int a[] = {1, 2, 3}; | |
1e59de90 | 5829 | std::vector<int> s(std::begin(a), std::end(a)); |
31f18b77 FG |
5830 | do { |
5831 | StringMatchResultListener listener; | |
5832 | EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAre(1, 2, 3), | |
5833 | s, &listener)) << listener.str(); | |
5834 | } while (std::next_permutation(s.begin(), s.end())); | |
5835 | } | |
5836 | ||
5837 | TEST_F(UnorderedElementsAreTest, FailsWhenAnElementMatchesNoMatcher) { | |
5838 | const int a[] = {1, 2, 3}; | |
1e59de90 | 5839 | std::vector<int> s(std::begin(a), std::end(a)); |
31f18b77 FG |
5840 | std::vector<Matcher<int> > mv; |
5841 | mv.push_back(1); | |
5842 | mv.push_back(2); | |
5843 | mv.push_back(2); | |
5844 | // The element with value '3' matches nothing: fail fast. | |
5845 | StringMatchResultListener listener; | |
5846 | EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAreArray(mv), | |
5847 | s, &listener)) << listener.str(); | |
5848 | } | |
5849 | ||
5850 | TEST_F(UnorderedElementsAreTest, WorksForStreamlike) { | |
5851 | // Streamlike 'container' provides only minimal iterator support. | |
5852 | // Its iterators are tagged with input_iterator_tag, and it has no | |
5853 | // size() or empty() methods. | |
5854 | const int a[5] = {2, 1, 4, 5, 3}; | |
1e59de90 | 5855 | Streamlike<int> s(std::begin(a), std::end(a)); |
31f18b77 FG |
5856 | |
5857 | EXPECT_THAT(s, UnorderedElementsAre(1, 2, 3, 4, 5)); | |
5858 | EXPECT_THAT(s, Not(UnorderedElementsAre(2, 2, 3, 4, 5))); | |
5859 | } | |
5860 | ||
1e59de90 TL |
5861 | TEST_F(UnorderedElementsAreTest, WorksWithMoveOnly) { |
5862 | ContainerHelper helper; | |
5863 | EXPECT_CALL(helper, Call(UnorderedElementsAre(Pointee(1), Pointee(2)))); | |
5864 | helper.Call(MakeUniquePtrs({2, 1})); | |
5865 | } | |
5866 | ||
31f18b77 FG |
5867 | // One naive implementation of the matcher runs in O(N!) time, which is too |
5868 | // slow for many real-world inputs. This test shows that our matcher can match | |
5869 | // 100 inputs very quickly (a few milliseconds). An O(100!) is 10^158 | |
5870 | // iterations and obviously effectively incomputable. | |
5871 | // [ RUN ] UnorderedElementsAreTest.Performance | |
5872 | // [ OK ] UnorderedElementsAreTest.Performance (4 ms) | |
5873 | TEST_F(UnorderedElementsAreTest, Performance) { | |
5874 | std::vector<int> s; | |
5875 | std::vector<Matcher<int> > mv; | |
5876 | for (int i = 0; i < 100; ++i) { | |
5877 | s.push_back(i); | |
5878 | mv.push_back(_); | |
5879 | } | |
5880 | mv[50] = Eq(0); | |
5881 | StringMatchResultListener listener; | |
5882 | EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAreArray(mv), | |
5883 | s, &listener)) << listener.str(); | |
5884 | } | |
5885 | ||
5886 | // Another variant of 'Performance' with similar expectations. | |
5887 | // [ RUN ] UnorderedElementsAreTest.PerformanceHalfStrict | |
5888 | // [ OK ] UnorderedElementsAreTest.PerformanceHalfStrict (4 ms) | |
5889 | TEST_F(UnorderedElementsAreTest, PerformanceHalfStrict) { | |
5890 | std::vector<int> s; | |
5891 | std::vector<Matcher<int> > mv; | |
5892 | for (int i = 0; i < 100; ++i) { | |
5893 | s.push_back(i); | |
5894 | if (i & 1) { | |
5895 | mv.push_back(_); | |
5896 | } else { | |
5897 | mv.push_back(i); | |
5898 | } | |
5899 | } | |
5900 | StringMatchResultListener listener; | |
5901 | EXPECT_TRUE(ExplainMatchResult(UnorderedElementsAreArray(mv), | |
5902 | s, &listener)) << listener.str(); | |
5903 | } | |
5904 | ||
5905 | TEST_F(UnorderedElementsAreTest, FailMessageCountWrong) { | |
5906 | std::vector<int> v; | |
5907 | v.push_back(4); | |
5908 | StringMatchResultListener listener; | |
5909 | EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 2, 3), | |
5910 | v, &listener)) << listener.str(); | |
5911 | EXPECT_THAT(listener.str(), Eq("which has 1 element")); | |
5912 | } | |
5913 | ||
5914 | TEST_F(UnorderedElementsAreTest, FailMessageCountWrongZero) { | |
5915 | std::vector<int> v; | |
5916 | StringMatchResultListener listener; | |
5917 | EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 2, 3), | |
5918 | v, &listener)) << listener.str(); | |
5919 | EXPECT_THAT(listener.str(), Eq("")); | |
5920 | } | |
5921 | ||
5922 | TEST_F(UnorderedElementsAreTest, FailMessageUnmatchedMatchers) { | |
5923 | std::vector<int> v; | |
5924 | v.push_back(1); | |
5925 | v.push_back(1); | |
5926 | StringMatchResultListener listener; | |
5927 | EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 2), | |
5928 | v, &listener)) << listener.str(); | |
5929 | EXPECT_THAT( | |
5930 | listener.str(), | |
5931 | Eq("where the following matchers don't match any elements:\n" | |
5932 | "matcher #1: is equal to 2")); | |
5933 | } | |
5934 | ||
5935 | TEST_F(UnorderedElementsAreTest, FailMessageUnmatchedElements) { | |
5936 | std::vector<int> v; | |
5937 | v.push_back(1); | |
5938 | v.push_back(2); | |
5939 | StringMatchResultListener listener; | |
5940 | EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 1), | |
5941 | v, &listener)) << listener.str(); | |
5942 | EXPECT_THAT( | |
5943 | listener.str(), | |
5944 | Eq("where the following elements don't match any matchers:\n" | |
5945 | "element #1: 2")); | |
5946 | } | |
5947 | ||
5948 | TEST_F(UnorderedElementsAreTest, FailMessageUnmatchedMatcherAndElement) { | |
5949 | std::vector<int> v; | |
5950 | v.push_back(2); | |
5951 | v.push_back(3); | |
5952 | StringMatchResultListener listener; | |
5953 | EXPECT_FALSE(ExplainMatchResult(UnorderedElementsAre(1, 2), | |
5954 | v, &listener)) << listener.str(); | |
5955 | EXPECT_THAT( | |
5956 | listener.str(), | |
5957 | Eq("where" | |
5958 | " the following matchers don't match any elements:\n" | |
5959 | "matcher #0: is equal to 1\n" | |
5960 | "and" | |
5961 | " where" | |
5962 | " the following elements don't match any matchers:\n" | |
5963 | "element #1: 3")); | |
5964 | } | |
5965 | ||
5966 | // Test helper for formatting element, matcher index pairs in expectations. | |
1e59de90 | 5967 | static std::string EMString(int element, int matcher) { |
31f18b77 FG |
5968 | stringstream ss; |
5969 | ss << "(element #" << element << ", matcher #" << matcher << ")"; | |
5970 | return ss.str(); | |
5971 | } | |
5972 | ||
5973 | TEST_F(UnorderedElementsAreTest, FailMessageImperfectMatchOnly) { | |
5974 | // A situation where all elements and matchers have a match | |
5975 | // associated with them, but the max matching is not perfect. | |
1e59de90 | 5976 | std::vector<std::string> v; |
31f18b77 FG |
5977 | v.push_back("a"); |
5978 | v.push_back("b"); | |
5979 | v.push_back("c"); | |
5980 | StringMatchResultListener listener; | |
5981 | EXPECT_FALSE(ExplainMatchResult( | |
5982 | UnorderedElementsAre("a", "a", AnyOf("b", "c")), v, &listener)) | |
5983 | << listener.str(); | |
5984 | ||
1e59de90 | 5985 | std::string prefix = |
31f18b77 FG |
5986 | "where no permutation of the elements can satisfy all matchers, " |
5987 | "and the closest match is 2 of 3 matchers with the " | |
5988 | "pairings:\n"; | |
5989 | ||
5990 | // We have to be a bit loose here, because there are 4 valid max matches. | |
5991 | EXPECT_THAT( | |
5992 | listener.str(), | |
5993 | AnyOf(prefix + "{\n " + EMString(0, 0) + | |
5994 | ",\n " + EMString(1, 2) + "\n}", | |
5995 | prefix + "{\n " + EMString(0, 1) + | |
5996 | ",\n " + EMString(1, 2) + "\n}", | |
5997 | prefix + "{\n " + EMString(0, 0) + | |
5998 | ",\n " + EMString(2, 2) + "\n}", | |
5999 | prefix + "{\n " + EMString(0, 1) + | |
6000 | ",\n " + EMString(2, 2) + "\n}")); | |
6001 | } | |
6002 | ||
6003 | TEST_F(UnorderedElementsAreTest, Describe) { | |
6004 | EXPECT_THAT(Describe<IntVec>(UnorderedElementsAre()), | |
6005 | Eq("is empty")); | |
6006 | EXPECT_THAT( | |
6007 | Describe<IntVec>(UnorderedElementsAre(345)), | |
6008 | Eq("has 1 element and that element is equal to 345")); | |
6009 | EXPECT_THAT( | |
6010 | Describe<IntVec>(UnorderedElementsAre(111, 222, 333)), | |
6011 | Eq("has 3 elements and there exists some permutation " | |
6012 | "of elements such that:\n" | |
6013 | " - element #0 is equal to 111, and\n" | |
6014 | " - element #1 is equal to 222, and\n" | |
6015 | " - element #2 is equal to 333")); | |
6016 | } | |
6017 | ||
6018 | TEST_F(UnorderedElementsAreTest, DescribeNegation) { | |
6019 | EXPECT_THAT(DescribeNegation<IntVec>(UnorderedElementsAre()), | |
6020 | Eq("isn't empty")); | |
6021 | EXPECT_THAT( | |
6022 | DescribeNegation<IntVec>(UnorderedElementsAre(345)), | |
6023 | Eq("doesn't have 1 element, or has 1 element that isn't equal to 345")); | |
6024 | EXPECT_THAT( | |
6025 | DescribeNegation<IntVec>(UnorderedElementsAre(123, 234, 345)), | |
6026 | Eq("doesn't have 3 elements, or there exists no permutation " | |
6027 | "of elements such that:\n" | |
6028 | " - element #0 is equal to 123, and\n" | |
6029 | " - element #1 is equal to 234, and\n" | |
6030 | " - element #2 is equal to 345")); | |
6031 | } | |
6032 | ||
6033 | namespace { | |
6034 | ||
6035 | // Used as a check on the more complex max flow method used in the | |
6036 | // real testing::internal::FindMaxBipartiteMatching. This method is | |
6037 | // compatible but runs in worst-case factorial time, so we only | |
6038 | // use it in testing for small problem sizes. | |
6039 | template <typename Graph> | |
6040 | class BacktrackingMaxBPMState { | |
6041 | public: | |
6042 | // Does not take ownership of 'g'. | |
6043 | explicit BacktrackingMaxBPMState(const Graph* g) : graph_(g) { } | |
6044 | ||
6045 | ElementMatcherPairs Compute() { | |
6046 | if (graph_->LhsSize() == 0 || graph_->RhsSize() == 0) { | |
6047 | return best_so_far_; | |
6048 | } | |
6049 | lhs_used_.assign(graph_->LhsSize(), kUnused); | |
6050 | rhs_used_.assign(graph_->RhsSize(), kUnused); | |
6051 | for (size_t irhs = 0; irhs < graph_->RhsSize(); ++irhs) { | |
6052 | matches_.clear(); | |
6053 | RecurseInto(irhs); | |
6054 | if (best_so_far_.size() == graph_->RhsSize()) | |
6055 | break; | |
6056 | } | |
6057 | return best_so_far_; | |
6058 | } | |
6059 | ||
6060 | private: | |
6061 | static const size_t kUnused = static_cast<size_t>(-1); | |
6062 | ||
6063 | void PushMatch(size_t lhs, size_t rhs) { | |
6064 | matches_.push_back(ElementMatcherPair(lhs, rhs)); | |
6065 | lhs_used_[lhs] = rhs; | |
6066 | rhs_used_[rhs] = lhs; | |
6067 | if (matches_.size() > best_so_far_.size()) { | |
6068 | best_so_far_ = matches_; | |
6069 | } | |
6070 | } | |
6071 | ||
6072 | void PopMatch() { | |
6073 | const ElementMatcherPair& back = matches_.back(); | |
6074 | lhs_used_[back.first] = kUnused; | |
6075 | rhs_used_[back.second] = kUnused; | |
6076 | matches_.pop_back(); | |
6077 | } | |
6078 | ||
6079 | bool RecurseInto(size_t irhs) { | |
6080 | if (rhs_used_[irhs] != kUnused) { | |
6081 | return true; | |
6082 | } | |
6083 | for (size_t ilhs = 0; ilhs < graph_->LhsSize(); ++ilhs) { | |
6084 | if (lhs_used_[ilhs] != kUnused) { | |
6085 | continue; | |
6086 | } | |
6087 | if (!graph_->HasEdge(ilhs, irhs)) { | |
6088 | continue; | |
6089 | } | |
6090 | PushMatch(ilhs, irhs); | |
6091 | if (best_so_far_.size() == graph_->RhsSize()) { | |
6092 | return false; | |
6093 | } | |
6094 | for (size_t mi = irhs + 1; mi < graph_->RhsSize(); ++mi) { | |
6095 | if (!RecurseInto(mi)) return false; | |
6096 | } | |
6097 | PopMatch(); | |
6098 | } | |
6099 | return true; | |
6100 | } | |
6101 | ||
6102 | const Graph* graph_; // not owned | |
6103 | std::vector<size_t> lhs_used_; | |
6104 | std::vector<size_t> rhs_used_; | |
6105 | ElementMatcherPairs matches_; | |
6106 | ElementMatcherPairs best_so_far_; | |
6107 | }; | |
6108 | ||
6109 | template <typename Graph> | |
6110 | const size_t BacktrackingMaxBPMState<Graph>::kUnused; | |
6111 | ||
6112 | } // namespace | |
6113 | ||
6114 | // Implement a simple backtracking algorithm to determine if it is possible | |
6115 | // to find one element per matcher, without reusing elements. | |
6116 | template <typename Graph> | |
6117 | ElementMatcherPairs | |
6118 | FindBacktrackingMaxBPM(const Graph& g) { | |
6119 | return BacktrackingMaxBPMState<Graph>(&g).Compute(); | |
6120 | } | |
6121 | ||
6122 | class BacktrackingBPMTest : public ::testing::Test { }; | |
6123 | ||
6124 | // Tests the MaxBipartiteMatching algorithm with square matrices. | |
6125 | // The single int param is the # of nodes on each of the left and right sides. | |
1e59de90 | 6126 | class BipartiteTest : public ::testing::TestWithParam<size_t> {}; |
31f18b77 FG |
6127 | |
6128 | // Verify all match graphs up to some moderate number of edges. | |
6129 | TEST_P(BipartiteTest, Exhaustive) { | |
1e59de90 | 6130 | size_t nodes = GetParam(); |
31f18b77 FG |
6131 | MatchMatrix graph(nodes, nodes); |
6132 | do { | |
6133 | ElementMatcherPairs matches = | |
6134 | internal::FindMaxBipartiteMatching(graph); | |
6135 | EXPECT_EQ(FindBacktrackingMaxBPM(graph).size(), matches.size()) | |
6136 | << "graph: " << graph.DebugString(); | |
6137 | // Check that all elements of matches are in the graph. | |
6138 | // Check that elements of first and second are unique. | |
6139 | std::vector<bool> seen_element(graph.LhsSize()); | |
6140 | std::vector<bool> seen_matcher(graph.RhsSize()); | |
6141 | SCOPED_TRACE(PrintToString(matches)); | |
6142 | for (size_t i = 0; i < matches.size(); ++i) { | |
6143 | size_t ilhs = matches[i].first; | |
6144 | size_t irhs = matches[i].second; | |
6145 | EXPECT_TRUE(graph.HasEdge(ilhs, irhs)); | |
6146 | EXPECT_FALSE(seen_element[ilhs]); | |
6147 | EXPECT_FALSE(seen_matcher[irhs]); | |
6148 | seen_element[ilhs] = true; | |
6149 | seen_matcher[irhs] = true; | |
6150 | } | |
6151 | } while (graph.NextGraph()); | |
6152 | } | |
6153 | ||
1e59de90 TL |
6154 | INSTANTIATE_TEST_SUITE_P(AllGraphs, BipartiteTest, |
6155 | ::testing::Range(size_t{0}, size_t{5})); | |
31f18b77 FG |
6156 | |
6157 | // Parameterized by a pair interpreted as (LhsSize, RhsSize). | |
6158 | class BipartiteNonSquareTest | |
6159 | : public ::testing::TestWithParam<std::pair<size_t, size_t> > { | |
6160 | }; | |
6161 | ||
6162 | TEST_F(BipartiteNonSquareTest, SimpleBacktracking) { | |
6163 | // ....... | |
6164 | // 0:-----\ : | |
6165 | // 1:---\ | : | |
6166 | // 2:---\ | : | |
6167 | // 3:-\ | | : | |
6168 | // :.......: | |
6169 | // 0 1 2 | |
6170 | MatchMatrix g(4, 3); | |
1e59de90 TL |
6171 | constexpr std::array<std::array<size_t, 2>, 4> kEdges = { |
6172 | {{{0, 2}}, {{1, 1}}, {{2, 1}}, {{3, 0}}}}; | |
6173 | for (size_t i = 0; i < kEdges.size(); ++i) { | |
31f18b77 FG |
6174 | g.SetEdge(kEdges[i][0], kEdges[i][1], true); |
6175 | } | |
6176 | EXPECT_THAT(FindBacktrackingMaxBPM(g), | |
6177 | ElementsAre(Pair(3, 0), | |
6178 | Pair(AnyOf(1, 2), 1), | |
6179 | Pair(0, 2))) << g.DebugString(); | |
6180 | } | |
6181 | ||
6182 | // Verify a few nonsquare matrices. | |
6183 | TEST_P(BipartiteNonSquareTest, Exhaustive) { | |
6184 | size_t nlhs = GetParam().first; | |
6185 | size_t nrhs = GetParam().second; | |
6186 | MatchMatrix graph(nlhs, nrhs); | |
6187 | do { | |
6188 | EXPECT_EQ(FindBacktrackingMaxBPM(graph).size(), | |
6189 | internal::FindMaxBipartiteMatching(graph).size()) | |
6190 | << "graph: " << graph.DebugString() | |
6191 | << "\nbacktracking: " | |
6192 | << PrintToString(FindBacktrackingMaxBPM(graph)) | |
6193 | << "\nmax flow: " | |
6194 | << PrintToString(internal::FindMaxBipartiteMatching(graph)); | |
6195 | } while (graph.NextGraph()); | |
6196 | } | |
6197 | ||
1e59de90 | 6198 | INSTANTIATE_TEST_SUITE_P(AllGraphs, BipartiteNonSquareTest, |
31f18b77 FG |
6199 | testing::Values( |
6200 | std::make_pair(1, 2), | |
6201 | std::make_pair(2, 1), | |
6202 | std::make_pair(3, 2), | |
6203 | std::make_pair(2, 3), | |
6204 | std::make_pair(4, 1), | |
6205 | std::make_pair(1, 4), | |
6206 | std::make_pair(4, 3), | |
6207 | std::make_pair(3, 4))); | |
6208 | ||
6209 | class BipartiteRandomTest | |
6210 | : public ::testing::TestWithParam<std::pair<int, int> > { | |
6211 | }; | |
6212 | ||
6213 | // Verifies a large sample of larger graphs. | |
6214 | TEST_P(BipartiteRandomTest, LargerNets) { | |
6215 | int nodes = GetParam().first; | |
6216 | int iters = GetParam().second; | |
1e59de90 | 6217 | MatchMatrix graph(static_cast<size_t>(nodes), static_cast<size_t>(nodes)); |
31f18b77 | 6218 | |
1e59de90 | 6219 | auto seed = static_cast<uint32_t>(GTEST_FLAG(random_seed)); |
31f18b77 | 6220 | if (seed == 0) { |
1e59de90 | 6221 | seed = static_cast<uint32_t>(time(nullptr)); |
31f18b77 FG |
6222 | } |
6223 | ||
6224 | for (; iters > 0; --iters, ++seed) { | |
1e59de90 | 6225 | srand(static_cast<unsigned int>(seed)); |
31f18b77 FG |
6226 | graph.Randomize(); |
6227 | EXPECT_EQ(FindBacktrackingMaxBPM(graph).size(), | |
6228 | internal::FindMaxBipartiteMatching(graph).size()) | |
6229 | << " graph: " << graph.DebugString() | |
6230 | << "\nTo reproduce the failure, rerun the test with the flag" | |
6231 | " --" << GTEST_FLAG_PREFIX_ << "random_seed=" << seed; | |
6232 | } | |
6233 | } | |
6234 | ||
6235 | // Test argument is a std::pair<int, int> representing (nodes, iters). | |
1e59de90 | 6236 | INSTANTIATE_TEST_SUITE_P(Samples, BipartiteRandomTest, |
31f18b77 FG |
6237 | testing::Values( |
6238 | std::make_pair(5, 10000), | |
6239 | std::make_pair(6, 5000), | |
6240 | std::make_pair(7, 2000), | |
6241 | std::make_pair(8, 500), | |
6242 | std::make_pair(9, 100))); | |
6243 | ||
6244 | // Tests IsReadableTypeName(). | |
6245 | ||
6246 | TEST(IsReadableTypeNameTest, ReturnsTrueForShortNames) { | |
6247 | EXPECT_TRUE(IsReadableTypeName("int")); | |
6248 | EXPECT_TRUE(IsReadableTypeName("const unsigned char*")); | |
6249 | EXPECT_TRUE(IsReadableTypeName("MyMap<int, void*>")); | |
6250 | EXPECT_TRUE(IsReadableTypeName("void (*)(int, bool)")); | |
6251 | } | |
6252 | ||
6253 | TEST(IsReadableTypeNameTest, ReturnsTrueForLongNonTemplateNonFunctionNames) { | |
6254 | EXPECT_TRUE(IsReadableTypeName("my_long_namespace::MyClassName")); | |
6255 | EXPECT_TRUE(IsReadableTypeName("int [5][6][7][8][9][10][11]")); | |
6256 | EXPECT_TRUE(IsReadableTypeName("my_namespace::MyOuterClass::MyInnerClass")); | |
6257 | } | |
6258 | ||
6259 | TEST(IsReadableTypeNameTest, ReturnsFalseForLongTemplateNames) { | |
6260 | EXPECT_FALSE( | |
6261 | IsReadableTypeName("basic_string<char, std::char_traits<char> >")); | |
6262 | EXPECT_FALSE(IsReadableTypeName("std::vector<int, std::alloc_traits<int> >")); | |
6263 | } | |
6264 | ||
6265 | TEST(IsReadableTypeNameTest, ReturnsFalseForLongFunctionTypeNames) { | |
6266 | EXPECT_FALSE(IsReadableTypeName("void (&)(int, bool, char, float)")); | |
6267 | } | |
6268 | ||
31f18b77 FG |
6269 | // Tests FormatMatcherDescription(). |
6270 | ||
6271 | TEST(FormatMatcherDescriptionTest, WorksForEmptyDescription) { | |
6272 | EXPECT_EQ("is even", | |
6273 | FormatMatcherDescription(false, "IsEven", Strings())); | |
6274 | EXPECT_EQ("not (is even)", | |
6275 | FormatMatcherDescription(true, "IsEven", Strings())); | |
6276 | ||
6277 | const char* params[] = {"5"}; | |
6278 | EXPECT_EQ("equals 5", | |
6279 | FormatMatcherDescription(false, "Equals", | |
6280 | Strings(params, params + 1))); | |
6281 | ||
6282 | const char* params2[] = {"5", "8"}; | |
6283 | EXPECT_EQ("is in range (5, 8)", | |
6284 | FormatMatcherDescription(false, "IsInRange", | |
6285 | Strings(params2, params2 + 2))); | |
6286 | } | |
6287 | ||
6288 | // Tests PolymorphicMatcher::mutable_impl(). | |
6289 | TEST(PolymorphicMatcherTest, CanAccessMutableImpl) { | |
6290 | PolymorphicMatcher<DivisibleByImpl> m(DivisibleByImpl(42)); | |
6291 | DivisibleByImpl& impl = m.mutable_impl(); | |
6292 | EXPECT_EQ(42, impl.divider()); | |
6293 | ||
6294 | impl.set_divider(0); | |
6295 | EXPECT_EQ(0, m.mutable_impl().divider()); | |
6296 | } | |
6297 | ||
6298 | // Tests PolymorphicMatcher::impl(). | |
6299 | TEST(PolymorphicMatcherTest, CanAccessImpl) { | |
6300 | const PolymorphicMatcher<DivisibleByImpl> m(DivisibleByImpl(42)); | |
6301 | const DivisibleByImpl& impl = m.impl(); | |
6302 | EXPECT_EQ(42, impl.divider()); | |
6303 | } | |
6304 | ||
6305 | TEST(MatcherTupleTest, ExplainsMatchFailure) { | |
6306 | stringstream ss1; | |
1e59de90 TL |
6307 | ExplainMatchFailureTupleTo( |
6308 | std::make_tuple(Matcher<char>(Eq('a')), GreaterThan(5)), | |
6309 | std::make_tuple('a', 10), &ss1); | |
31f18b77 FG |
6310 | EXPECT_EQ("", ss1.str()); // Successful match. |
6311 | ||
6312 | stringstream ss2; | |
1e59de90 TL |
6313 | ExplainMatchFailureTupleTo( |
6314 | std::make_tuple(GreaterThan(5), Matcher<char>(Eq('a'))), | |
6315 | std::make_tuple(2, 'b'), &ss2); | |
31f18b77 FG |
6316 | EXPECT_EQ(" Expected arg #0: is > 5\n" |
6317 | " Actual: 2, which is 3 less than 5\n" | |
6318 | " Expected arg #1: is equal to 'a' (97, 0x61)\n" | |
6319 | " Actual: 'b' (98, 0x62)\n", | |
6320 | ss2.str()); // Failed match where both arguments need explanation. | |
6321 | ||
6322 | stringstream ss3; | |
1e59de90 TL |
6323 | ExplainMatchFailureTupleTo( |
6324 | std::make_tuple(GreaterThan(5), Matcher<char>(Eq('a'))), | |
6325 | std::make_tuple(2, 'a'), &ss3); | |
31f18b77 FG |
6326 | EXPECT_EQ(" Expected arg #0: is > 5\n" |
6327 | " Actual: 2, which is 3 less than 5\n", | |
6328 | ss3.str()); // Failed match where only one argument needs | |
6329 | // explanation. | |
6330 | } | |
6331 | ||
6332 | // Tests Each(). | |
6333 | ||
6334 | TEST(EachTest, ExplainsMatchResultCorrectly) { | |
6335 | set<int> a; // empty | |
6336 | ||
6337 | Matcher<set<int> > m = Each(2); | |
6338 | EXPECT_EQ("", Explain(m, a)); | |
6339 | ||
6340 | Matcher<const int(&)[1]> n = Each(1); // NOLINT | |
6341 | ||
6342 | const int b[1] = {1}; | |
6343 | EXPECT_EQ("", Explain(n, b)); | |
6344 | ||
6345 | n = Each(3); | |
6346 | EXPECT_EQ("whose element #0 doesn't match", Explain(n, b)); | |
6347 | ||
6348 | a.insert(1); | |
6349 | a.insert(2); | |
6350 | a.insert(3); | |
6351 | m = Each(GreaterThan(0)); | |
6352 | EXPECT_EQ("", Explain(m, a)); | |
6353 | ||
6354 | m = Each(GreaterThan(10)); | |
6355 | EXPECT_EQ("whose element #0 doesn't match, which is 9 less than 10", | |
6356 | Explain(m, a)); | |
6357 | } | |
6358 | ||
6359 | TEST(EachTest, DescribesItselfCorrectly) { | |
6360 | Matcher<vector<int> > m = Each(1); | |
6361 | EXPECT_EQ("only contains elements that is equal to 1", Describe(m)); | |
6362 | ||
6363 | Matcher<vector<int> > m2 = Not(m); | |
6364 | EXPECT_EQ("contains some element that isn't equal to 1", Describe(m2)); | |
6365 | } | |
6366 | ||
6367 | TEST(EachTest, MatchesVectorWhenAllElementsMatch) { | |
6368 | vector<int> some_vector; | |
6369 | EXPECT_THAT(some_vector, Each(1)); | |
6370 | some_vector.push_back(3); | |
6371 | EXPECT_THAT(some_vector, Not(Each(1))); | |
6372 | EXPECT_THAT(some_vector, Each(3)); | |
6373 | some_vector.push_back(1); | |
6374 | some_vector.push_back(2); | |
6375 | EXPECT_THAT(some_vector, Not(Each(3))); | |
6376 | EXPECT_THAT(some_vector, Each(Lt(3.5))); | |
6377 | ||
1e59de90 | 6378 | vector<std::string> another_vector; |
31f18b77 | 6379 | another_vector.push_back("fee"); |
1e59de90 | 6380 | EXPECT_THAT(another_vector, Each(std::string("fee"))); |
31f18b77 FG |
6381 | another_vector.push_back("fie"); |
6382 | another_vector.push_back("foe"); | |
6383 | another_vector.push_back("fum"); | |
1e59de90 | 6384 | EXPECT_THAT(another_vector, Not(Each(std::string("fee")))); |
31f18b77 FG |
6385 | } |
6386 | ||
6387 | TEST(EachTest, MatchesMapWhenAllElementsMatch) { | |
6388 | map<const char*, int> my_map; | |
6389 | const char* bar = "a string"; | |
6390 | my_map[bar] = 2; | |
6391 | EXPECT_THAT(my_map, Each(make_pair(bar, 2))); | |
6392 | ||
1e59de90 TL |
6393 | map<std::string, int> another_map; |
6394 | EXPECT_THAT(another_map, Each(make_pair(std::string("fee"), 1))); | |
31f18b77 | 6395 | another_map["fee"] = 1; |
1e59de90 | 6396 | EXPECT_THAT(another_map, Each(make_pair(std::string("fee"), 1))); |
31f18b77 FG |
6397 | another_map["fie"] = 2; |
6398 | another_map["foe"] = 3; | |
6399 | another_map["fum"] = 4; | |
1e59de90 TL |
6400 | EXPECT_THAT(another_map, Not(Each(make_pair(std::string("fee"), 1)))); |
6401 | EXPECT_THAT(another_map, Not(Each(make_pair(std::string("fum"), 1)))); | |
31f18b77 FG |
6402 | EXPECT_THAT(another_map, Each(Pair(_, Gt(0)))); |
6403 | } | |
6404 | ||
6405 | TEST(EachTest, AcceptsMatcher) { | |
6406 | const int a[] = {1, 2, 3}; | |
6407 | EXPECT_THAT(a, Each(Gt(0))); | |
6408 | EXPECT_THAT(a, Not(Each(Gt(1)))); | |
6409 | } | |
6410 | ||
6411 | TEST(EachTest, WorksForNativeArrayAsTuple) { | |
6412 | const int a[] = {1, 2}; | |
6413 | const int* const pointer = a; | |
1e59de90 TL |
6414 | EXPECT_THAT(std::make_tuple(pointer, 2), Each(Gt(0))); |
6415 | EXPECT_THAT(std::make_tuple(pointer, 2), Not(Each(Gt(1)))); | |
6416 | } | |
6417 | ||
6418 | TEST(EachTest, WorksWithMoveOnly) { | |
6419 | ContainerHelper helper; | |
6420 | EXPECT_CALL(helper, Call(Each(Pointee(Gt(0))))); | |
6421 | helper.Call(MakeUniquePtrs({1, 2})); | |
31f18b77 FG |
6422 | } |
6423 | ||
6424 | // For testing Pointwise(). | |
6425 | class IsHalfOfMatcher { | |
6426 | public: | |
6427 | template <typename T1, typename T2> | |
1e59de90 | 6428 | bool MatchAndExplain(const std::tuple<T1, T2>& a_pair, |
31f18b77 | 6429 | MatchResultListener* listener) const { |
1e59de90 TL |
6430 | if (std::get<0>(a_pair) == std::get<1>(a_pair) / 2) { |
6431 | *listener << "where the second is " << std::get<1>(a_pair); | |
31f18b77 FG |
6432 | return true; |
6433 | } else { | |
1e59de90 | 6434 | *listener << "where the second/2 is " << std::get<1>(a_pair) / 2; |
31f18b77 FG |
6435 | return false; |
6436 | } | |
6437 | } | |
6438 | ||
6439 | void DescribeTo(ostream* os) const { | |
6440 | *os << "are a pair where the first is half of the second"; | |
6441 | } | |
6442 | ||
6443 | void DescribeNegationTo(ostream* os) const { | |
6444 | *os << "are a pair where the first isn't half of the second"; | |
6445 | } | |
6446 | }; | |
6447 | ||
6448 | PolymorphicMatcher<IsHalfOfMatcher> IsHalfOf() { | |
6449 | return MakePolymorphicMatcher(IsHalfOfMatcher()); | |
6450 | } | |
6451 | ||
6452 | TEST(PointwiseTest, DescribesSelf) { | |
6453 | vector<int> rhs; | |
6454 | rhs.push_back(1); | |
6455 | rhs.push_back(2); | |
6456 | rhs.push_back(3); | |
6457 | const Matcher<const vector<int>&> m = Pointwise(IsHalfOf(), rhs); | |
6458 | EXPECT_EQ("contains 3 values, where each value and its corresponding value " | |
6459 | "in { 1, 2, 3 } are a pair where the first is half of the second", | |
6460 | Describe(m)); | |
6461 | EXPECT_EQ("doesn't contain exactly 3 values, or contains a value x at some " | |
6462 | "index i where x and the i-th value of { 1, 2, 3 } are a pair " | |
6463 | "where the first isn't half of the second", | |
6464 | DescribeNegation(m)); | |
6465 | } | |
6466 | ||
6467 | TEST(PointwiseTest, MakesCopyOfRhs) { | |
6468 | list<signed char> rhs; | |
6469 | rhs.push_back(2); | |
6470 | rhs.push_back(4); | |
6471 | ||
6472 | int lhs[] = {1, 2}; | |
6473 | const Matcher<const int (&)[2]> m = Pointwise(IsHalfOf(), rhs); | |
6474 | EXPECT_THAT(lhs, m); | |
6475 | ||
6476 | // Changing rhs now shouldn't affect m, which made a copy of rhs. | |
6477 | rhs.push_back(6); | |
6478 | EXPECT_THAT(lhs, m); | |
6479 | } | |
6480 | ||
6481 | TEST(PointwiseTest, WorksForLhsNativeArray) { | |
6482 | const int lhs[] = {1, 2, 3}; | |
6483 | vector<int> rhs; | |
6484 | rhs.push_back(2); | |
6485 | rhs.push_back(4); | |
6486 | rhs.push_back(6); | |
6487 | EXPECT_THAT(lhs, Pointwise(Lt(), rhs)); | |
6488 | EXPECT_THAT(lhs, Not(Pointwise(Gt(), rhs))); | |
6489 | } | |
6490 | ||
6491 | TEST(PointwiseTest, WorksForRhsNativeArray) { | |
6492 | const int rhs[] = {1, 2, 3}; | |
6493 | vector<int> lhs; | |
6494 | lhs.push_back(2); | |
6495 | lhs.push_back(4); | |
6496 | lhs.push_back(6); | |
6497 | EXPECT_THAT(lhs, Pointwise(Gt(), rhs)); | |
6498 | EXPECT_THAT(lhs, Not(Pointwise(Lt(), rhs))); | |
6499 | } | |
6500 | ||
1e59de90 TL |
6501 | // Test is effective only with sanitizers. |
6502 | TEST(PointwiseTest, WorksForVectorOfBool) { | |
6503 | vector<bool> rhs(3, false); | |
6504 | rhs[1] = true; | |
6505 | vector<bool> lhs = rhs; | |
6506 | EXPECT_THAT(lhs, Pointwise(Eq(), rhs)); | |
6507 | rhs[0] = true; | |
6508 | EXPECT_THAT(lhs, Not(Pointwise(Eq(), rhs))); | |
6509 | } | |
6510 | ||
31f18b77 FG |
6511 | |
6512 | TEST(PointwiseTest, WorksForRhsInitializerList) { | |
6513 | const vector<int> lhs{2, 4, 6}; | |
6514 | EXPECT_THAT(lhs, Pointwise(Gt(), {1, 2, 3})); | |
6515 | EXPECT_THAT(lhs, Not(Pointwise(Lt(), {3, 3, 7}))); | |
6516 | } | |
6517 | ||
31f18b77 FG |
6518 | |
6519 | TEST(PointwiseTest, RejectsWrongSize) { | |
6520 | const double lhs[2] = {1, 2}; | |
6521 | const int rhs[1] = {0}; | |
6522 | EXPECT_THAT(lhs, Not(Pointwise(Gt(), rhs))); | |
6523 | EXPECT_EQ("which contains 2 values", | |
6524 | Explain(Pointwise(Gt(), rhs), lhs)); | |
6525 | ||
6526 | const int rhs2[3] = {0, 1, 2}; | |
6527 | EXPECT_THAT(lhs, Not(Pointwise(Gt(), rhs2))); | |
6528 | } | |
6529 | ||
6530 | TEST(PointwiseTest, RejectsWrongContent) { | |
6531 | const double lhs[3] = {1, 2, 3}; | |
6532 | const int rhs[3] = {2, 6, 4}; | |
6533 | EXPECT_THAT(lhs, Not(Pointwise(IsHalfOf(), rhs))); | |
6534 | EXPECT_EQ("where the value pair (2, 6) at index #1 don't match, " | |
6535 | "where the second/2 is 3", | |
6536 | Explain(Pointwise(IsHalfOf(), rhs), lhs)); | |
6537 | } | |
6538 | ||
6539 | TEST(PointwiseTest, AcceptsCorrectContent) { | |
6540 | const double lhs[3] = {1, 2, 3}; | |
6541 | const int rhs[3] = {2, 4, 6}; | |
6542 | EXPECT_THAT(lhs, Pointwise(IsHalfOf(), rhs)); | |
6543 | EXPECT_EQ("", Explain(Pointwise(IsHalfOf(), rhs), lhs)); | |
6544 | } | |
6545 | ||
6546 | TEST(PointwiseTest, AllowsMonomorphicInnerMatcher) { | |
6547 | const double lhs[3] = {1, 2, 3}; | |
6548 | const int rhs[3] = {2, 4, 6}; | |
1e59de90 | 6549 | const Matcher<std::tuple<const double&, const int&>> m1 = IsHalfOf(); |
31f18b77 FG |
6550 | EXPECT_THAT(lhs, Pointwise(m1, rhs)); |
6551 | EXPECT_EQ("", Explain(Pointwise(m1, rhs), lhs)); | |
6552 | ||
1e59de90 TL |
6553 | // This type works as a std::tuple<const double&, const int&> can be |
6554 | // implicitly cast to std::tuple<double, int>. | |
6555 | const Matcher<std::tuple<double, int>> m2 = IsHalfOf(); | |
31f18b77 FG |
6556 | EXPECT_THAT(lhs, Pointwise(m2, rhs)); |
6557 | EXPECT_EQ("", Explain(Pointwise(m2, rhs), lhs)); | |
6558 | } | |
6559 | ||
1e59de90 TL |
6560 | MATCHER(PointeeEquals, "Points to an equal value") { |
6561 | return ExplainMatchResult(::testing::Pointee(::testing::get<1>(arg)), | |
6562 | ::testing::get<0>(arg), result_listener); | |
6563 | } | |
6564 | ||
6565 | TEST(PointwiseTest, WorksWithMoveOnly) { | |
6566 | ContainerHelper helper; | |
6567 | EXPECT_CALL(helper, Call(Pointwise(PointeeEquals(), std::vector<int>{1, 2}))); | |
6568 | helper.Call(MakeUniquePtrs({1, 2})); | |
6569 | } | |
6570 | ||
31f18b77 FG |
6571 | TEST(UnorderedPointwiseTest, DescribesSelf) { |
6572 | vector<int> rhs; | |
6573 | rhs.push_back(1); | |
6574 | rhs.push_back(2); | |
6575 | rhs.push_back(3); | |
6576 | const Matcher<const vector<int>&> m = UnorderedPointwise(IsHalfOf(), rhs); | |
6577 | EXPECT_EQ( | |
6578 | "has 3 elements and there exists some permutation of elements such " | |
6579 | "that:\n" | |
6580 | " - element #0 and 1 are a pair where the first is half of the second, " | |
6581 | "and\n" | |
6582 | " - element #1 and 2 are a pair where the first is half of the second, " | |
6583 | "and\n" | |
6584 | " - element #2 and 3 are a pair where the first is half of the second", | |
6585 | Describe(m)); | |
6586 | EXPECT_EQ( | |
6587 | "doesn't have 3 elements, or there exists no permutation of elements " | |
6588 | "such that:\n" | |
6589 | " - element #0 and 1 are a pair where the first is half of the second, " | |
6590 | "and\n" | |
6591 | " - element #1 and 2 are a pair where the first is half of the second, " | |
6592 | "and\n" | |
6593 | " - element #2 and 3 are a pair where the first is half of the second", | |
6594 | DescribeNegation(m)); | |
6595 | } | |
6596 | ||
6597 | TEST(UnorderedPointwiseTest, MakesCopyOfRhs) { | |
6598 | list<signed char> rhs; | |
6599 | rhs.push_back(2); | |
6600 | rhs.push_back(4); | |
6601 | ||
6602 | int lhs[] = {2, 1}; | |
6603 | const Matcher<const int (&)[2]> m = UnorderedPointwise(IsHalfOf(), rhs); | |
6604 | EXPECT_THAT(lhs, m); | |
6605 | ||
6606 | // Changing rhs now shouldn't affect m, which made a copy of rhs. | |
6607 | rhs.push_back(6); | |
6608 | EXPECT_THAT(lhs, m); | |
6609 | } | |
6610 | ||
6611 | TEST(UnorderedPointwiseTest, WorksForLhsNativeArray) { | |
6612 | const int lhs[] = {1, 2, 3}; | |
6613 | vector<int> rhs; | |
6614 | rhs.push_back(4); | |
6615 | rhs.push_back(6); | |
6616 | rhs.push_back(2); | |
6617 | EXPECT_THAT(lhs, UnorderedPointwise(Lt(), rhs)); | |
6618 | EXPECT_THAT(lhs, Not(UnorderedPointwise(Gt(), rhs))); | |
6619 | } | |
6620 | ||
6621 | TEST(UnorderedPointwiseTest, WorksForRhsNativeArray) { | |
6622 | const int rhs[] = {1, 2, 3}; | |
6623 | vector<int> lhs; | |
6624 | lhs.push_back(4); | |
6625 | lhs.push_back(2); | |
6626 | lhs.push_back(6); | |
6627 | EXPECT_THAT(lhs, UnorderedPointwise(Gt(), rhs)); | |
6628 | EXPECT_THAT(lhs, Not(UnorderedPointwise(Lt(), rhs))); | |
6629 | } | |
6630 | ||
31f18b77 FG |
6631 | |
6632 | TEST(UnorderedPointwiseTest, WorksForRhsInitializerList) { | |
6633 | const vector<int> lhs{2, 4, 6}; | |
6634 | EXPECT_THAT(lhs, UnorderedPointwise(Gt(), {5, 1, 3})); | |
6635 | EXPECT_THAT(lhs, Not(UnorderedPointwise(Lt(), {1, 1, 7}))); | |
6636 | } | |
6637 | ||
31f18b77 FG |
6638 | |
6639 | TEST(UnorderedPointwiseTest, RejectsWrongSize) { | |
6640 | const double lhs[2] = {1, 2}; | |
6641 | const int rhs[1] = {0}; | |
6642 | EXPECT_THAT(lhs, Not(UnorderedPointwise(Gt(), rhs))); | |
6643 | EXPECT_EQ("which has 2 elements", | |
6644 | Explain(UnorderedPointwise(Gt(), rhs), lhs)); | |
6645 | ||
6646 | const int rhs2[3] = {0, 1, 2}; | |
6647 | EXPECT_THAT(lhs, Not(UnorderedPointwise(Gt(), rhs2))); | |
6648 | } | |
6649 | ||
6650 | TEST(UnorderedPointwiseTest, RejectsWrongContent) { | |
6651 | const double lhs[3] = {1, 2, 3}; | |
6652 | const int rhs[3] = {2, 6, 6}; | |
6653 | EXPECT_THAT(lhs, Not(UnorderedPointwise(IsHalfOf(), rhs))); | |
6654 | EXPECT_EQ("where the following elements don't match any matchers:\n" | |
6655 | "element #1: 2", | |
6656 | Explain(UnorderedPointwise(IsHalfOf(), rhs), lhs)); | |
6657 | } | |
6658 | ||
6659 | TEST(UnorderedPointwiseTest, AcceptsCorrectContentInSameOrder) { | |
6660 | const double lhs[3] = {1, 2, 3}; | |
6661 | const int rhs[3] = {2, 4, 6}; | |
6662 | EXPECT_THAT(lhs, UnorderedPointwise(IsHalfOf(), rhs)); | |
6663 | } | |
6664 | ||
6665 | TEST(UnorderedPointwiseTest, AcceptsCorrectContentInDifferentOrder) { | |
6666 | const double lhs[3] = {1, 2, 3}; | |
6667 | const int rhs[3] = {6, 4, 2}; | |
6668 | EXPECT_THAT(lhs, UnorderedPointwise(IsHalfOf(), rhs)); | |
6669 | } | |
6670 | ||
6671 | TEST(UnorderedPointwiseTest, AllowsMonomorphicInnerMatcher) { | |
6672 | const double lhs[3] = {1, 2, 3}; | |
6673 | const int rhs[3] = {4, 6, 2}; | |
1e59de90 | 6674 | const Matcher<std::tuple<const double&, const int&>> m1 = IsHalfOf(); |
31f18b77 FG |
6675 | EXPECT_THAT(lhs, UnorderedPointwise(m1, rhs)); |
6676 | ||
1e59de90 TL |
6677 | // This type works as a std::tuple<const double&, const int&> can be |
6678 | // implicitly cast to std::tuple<double, int>. | |
6679 | const Matcher<std::tuple<double, int>> m2 = IsHalfOf(); | |
31f18b77 FG |
6680 | EXPECT_THAT(lhs, UnorderedPointwise(m2, rhs)); |
6681 | } | |
6682 | ||
1e59de90 TL |
6683 | TEST(UnorderedPointwiseTest, WorksWithMoveOnly) { |
6684 | ContainerHelper helper; | |
6685 | EXPECT_CALL(helper, Call(UnorderedPointwise(PointeeEquals(), | |
6686 | std::vector<int>{1, 2}))); | |
6687 | helper.Call(MakeUniquePtrs({2, 1})); | |
6688 | } | |
6689 | ||
6690 | // Sample optional type implementation with minimal requirements for use with | |
6691 | // Optional matcher. | |
6692 | template <typename T> | |
6693 | class SampleOptional { | |
6694 | public: | |
6695 | using value_type = T; | |
6696 | explicit SampleOptional(T value) | |
6697 | : value_(std::move(value)), has_value_(true) {} | |
6698 | SampleOptional() : value_(), has_value_(false) {} | |
6699 | operator bool() const { return has_value_; } | |
6700 | const T& operator*() const { return value_; } | |
6701 | ||
6702 | private: | |
6703 | T value_; | |
6704 | bool has_value_; | |
6705 | }; | |
6706 | ||
6707 | TEST(OptionalTest, DescribesSelf) { | |
6708 | const Matcher<SampleOptional<int>> m = Optional(Eq(1)); | |
6709 | EXPECT_EQ("value is equal to 1", Describe(m)); | |
6710 | } | |
6711 | ||
6712 | TEST(OptionalTest, ExplainsSelf) { | |
6713 | const Matcher<SampleOptional<int>> m = Optional(Eq(1)); | |
6714 | EXPECT_EQ("whose value 1 matches", Explain(m, SampleOptional<int>(1))); | |
6715 | EXPECT_EQ("whose value 2 doesn't match", Explain(m, SampleOptional<int>(2))); | |
6716 | } | |
6717 | ||
6718 | TEST(OptionalTest, MatchesNonEmptyOptional) { | |
6719 | const Matcher<SampleOptional<int>> m1 = Optional(1); | |
6720 | const Matcher<SampleOptional<int>> m2 = Optional(Eq(2)); | |
6721 | const Matcher<SampleOptional<int>> m3 = Optional(Lt(3)); | |
6722 | SampleOptional<int> opt(1); | |
6723 | EXPECT_TRUE(m1.Matches(opt)); | |
6724 | EXPECT_FALSE(m2.Matches(opt)); | |
6725 | EXPECT_TRUE(m3.Matches(opt)); | |
6726 | } | |
6727 | ||
6728 | TEST(OptionalTest, DoesNotMatchNullopt) { | |
6729 | const Matcher<SampleOptional<int>> m = Optional(1); | |
6730 | SampleOptional<int> empty; | |
6731 | EXPECT_FALSE(m.Matches(empty)); | |
6732 | } | |
6733 | ||
6734 | TEST(OptionalTest, WorksWithMoveOnly) { | |
6735 | Matcher<SampleOptional<std::unique_ptr<int>>> m = Optional(Eq(nullptr)); | |
6736 | EXPECT_TRUE(m.Matches(SampleOptional<std::unique_ptr<int>>(nullptr))); | |
6737 | } | |
6738 | ||
6739 | class SampleVariantIntString { | |
6740 | public: | |
6741 | SampleVariantIntString(int i) : i_(i), has_int_(true) {} | |
6742 | SampleVariantIntString(const std::string& s) : s_(s), has_int_(false) {} | |
6743 | ||
6744 | template <typename T> | |
6745 | friend bool holds_alternative(const SampleVariantIntString& value) { | |
6746 | return value.has_int_ == std::is_same<T, int>::value; | |
6747 | } | |
6748 | ||
6749 | template <typename T> | |
6750 | friend const T& get(const SampleVariantIntString& value) { | |
6751 | return value.get_impl(static_cast<T*>(nullptr)); | |
6752 | } | |
6753 | ||
6754 | private: | |
6755 | const int& get_impl(int*) const { return i_; } | |
6756 | const std::string& get_impl(std::string*) const { return s_; } | |
6757 | ||
6758 | int i_; | |
6759 | std::string s_; | |
6760 | bool has_int_; | |
6761 | }; | |
6762 | ||
6763 | TEST(VariantTest, DescribesSelf) { | |
6764 | const Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); | |
6765 | EXPECT_THAT(Describe(m), ContainsRegex("is a variant<> with value of type " | |
6766 | "'.*' and the value is equal to 1")); | |
6767 | } | |
6768 | ||
6769 | TEST(VariantTest, ExplainsSelf) { | |
6770 | const Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); | |
6771 | EXPECT_THAT(Explain(m, SampleVariantIntString(1)), | |
6772 | ContainsRegex("whose value 1")); | |
6773 | EXPECT_THAT(Explain(m, SampleVariantIntString("A")), | |
6774 | HasSubstr("whose value is not of type '")); | |
6775 | EXPECT_THAT(Explain(m, SampleVariantIntString(2)), | |
6776 | "whose value 2 doesn't match"); | |
6777 | } | |
6778 | ||
6779 | TEST(VariantTest, FullMatch) { | |
6780 | Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); | |
6781 | EXPECT_TRUE(m.Matches(SampleVariantIntString(1))); | |
6782 | ||
6783 | m = VariantWith<std::string>(Eq("1")); | |
6784 | EXPECT_TRUE(m.Matches(SampleVariantIntString("1"))); | |
6785 | } | |
6786 | ||
6787 | TEST(VariantTest, TypeDoesNotMatch) { | |
6788 | Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); | |
6789 | EXPECT_FALSE(m.Matches(SampleVariantIntString("1"))); | |
6790 | ||
6791 | m = VariantWith<std::string>(Eq("1")); | |
6792 | EXPECT_FALSE(m.Matches(SampleVariantIntString(1))); | |
6793 | } | |
6794 | ||
6795 | TEST(VariantTest, InnerDoesNotMatch) { | |
6796 | Matcher<SampleVariantIntString> m = VariantWith<int>(Eq(1)); | |
6797 | EXPECT_FALSE(m.Matches(SampleVariantIntString(2))); | |
6798 | ||
6799 | m = VariantWith<std::string>(Eq("1")); | |
6800 | EXPECT_FALSE(m.Matches(SampleVariantIntString("2"))); | |
6801 | } | |
6802 | ||
6803 | class SampleAnyType { | |
6804 | public: | |
6805 | explicit SampleAnyType(int i) : index_(0), i_(i) {} | |
6806 | explicit SampleAnyType(const std::string& s) : index_(1), s_(s) {} | |
6807 | ||
6808 | template <typename T> | |
6809 | friend const T* any_cast(const SampleAnyType* any) { | |
6810 | return any->get_impl(static_cast<T*>(nullptr)); | |
6811 | } | |
6812 | ||
6813 | private: | |
6814 | int index_; | |
6815 | int i_; | |
6816 | std::string s_; | |
6817 | ||
6818 | const int* get_impl(int*) const { return index_ == 0 ? &i_ : nullptr; } | |
6819 | const std::string* get_impl(std::string*) const { | |
6820 | return index_ == 1 ? &s_ : nullptr; | |
6821 | } | |
6822 | }; | |
6823 | ||
6824 | TEST(AnyWithTest, FullMatch) { | |
6825 | Matcher<SampleAnyType> m = AnyWith<int>(Eq(1)); | |
6826 | EXPECT_TRUE(m.Matches(SampleAnyType(1))); | |
6827 | } | |
6828 | ||
6829 | TEST(AnyWithTest, TestBadCastType) { | |
6830 | Matcher<SampleAnyType> m = AnyWith<std::string>(Eq("fail")); | |
6831 | EXPECT_FALSE(m.Matches(SampleAnyType(1))); | |
6832 | } | |
6833 | ||
6834 | TEST(AnyWithTest, TestUseInContainers) { | |
6835 | std::vector<SampleAnyType> a; | |
6836 | a.emplace_back(1); | |
6837 | a.emplace_back(2); | |
6838 | a.emplace_back(3); | |
6839 | EXPECT_THAT( | |
6840 | a, ElementsAreArray({AnyWith<int>(1), AnyWith<int>(2), AnyWith<int>(3)})); | |
6841 | ||
6842 | std::vector<SampleAnyType> b; | |
6843 | b.emplace_back("hello"); | |
6844 | b.emplace_back("merhaba"); | |
6845 | b.emplace_back("salut"); | |
6846 | EXPECT_THAT(b, ElementsAreArray({AnyWith<std::string>("hello"), | |
6847 | AnyWith<std::string>("merhaba"), | |
6848 | AnyWith<std::string>("salut")})); | |
6849 | } | |
6850 | TEST(AnyWithTest, TestCompare) { | |
6851 | EXPECT_THAT(SampleAnyType(1), AnyWith<int>(Gt(0))); | |
6852 | } | |
6853 | ||
6854 | TEST(AnyWithTest, DescribesSelf) { | |
6855 | const Matcher<const SampleAnyType&> m = AnyWith<int>(Eq(1)); | |
6856 | EXPECT_THAT(Describe(m), ContainsRegex("is an 'any' type with value of type " | |
6857 | "'.*' and the value is equal to 1")); | |
6858 | } | |
6859 | ||
6860 | TEST(AnyWithTest, ExplainsSelf) { | |
6861 | const Matcher<const SampleAnyType&> m = AnyWith<int>(Eq(1)); | |
6862 | ||
6863 | EXPECT_THAT(Explain(m, SampleAnyType(1)), ContainsRegex("whose value 1")); | |
6864 | EXPECT_THAT(Explain(m, SampleAnyType("A")), | |
6865 | HasSubstr("whose value is not of type '")); | |
6866 | EXPECT_THAT(Explain(m, SampleAnyType(2)), "whose value 2 doesn't match"); | |
6867 | } | |
6868 | ||
6869 | TEST(PointeeTest, WorksOnMoveOnlyType) { | |
6870 | std::unique_ptr<int> p(new int(3)); | |
6871 | EXPECT_THAT(p, Pointee(Eq(3))); | |
6872 | EXPECT_THAT(p, Not(Pointee(Eq(2)))); | |
6873 | } | |
6874 | ||
6875 | TEST(NotTest, WorksOnMoveOnlyType) { | |
6876 | std::unique_ptr<int> p(new int(3)); | |
6877 | EXPECT_THAT(p, Pointee(Eq(3))); | |
6878 | EXPECT_THAT(p, Not(Pointee(Eq(2)))); | |
6879 | } | |
6880 | ||
6881 | // Tests Args<k0, ..., kn>(m). | |
6882 | ||
6883 | TEST(ArgsTest, AcceptsZeroTemplateArg) { | |
6884 | const std::tuple<int, bool> t(5, true); | |
6885 | EXPECT_THAT(t, Args<>(Eq(std::tuple<>()))); | |
6886 | EXPECT_THAT(t, Not(Args<>(Ne(std::tuple<>())))); | |
6887 | } | |
6888 | ||
6889 | TEST(ArgsTest, AcceptsOneTemplateArg) { | |
6890 | const std::tuple<int, bool> t(5, true); | |
6891 | EXPECT_THAT(t, Args<0>(Eq(std::make_tuple(5)))); | |
6892 | EXPECT_THAT(t, Args<1>(Eq(std::make_tuple(true)))); | |
6893 | EXPECT_THAT(t, Not(Args<1>(Eq(std::make_tuple(false))))); | |
6894 | } | |
6895 | ||
6896 | TEST(ArgsTest, AcceptsTwoTemplateArgs) { | |
6897 | const std::tuple<short, int, long> t(4, 5, 6L); // NOLINT | |
6898 | ||
6899 | EXPECT_THAT(t, (Args<0, 1>(Lt()))); | |
6900 | EXPECT_THAT(t, (Args<1, 2>(Lt()))); | |
6901 | EXPECT_THAT(t, Not(Args<0, 2>(Gt()))); | |
6902 | } | |
6903 | ||
6904 | TEST(ArgsTest, AcceptsRepeatedTemplateArgs) { | |
6905 | const std::tuple<short, int, long> t(4, 5, 6L); // NOLINT | |
6906 | EXPECT_THAT(t, (Args<0, 0>(Eq()))); | |
6907 | EXPECT_THAT(t, Not(Args<1, 1>(Ne()))); | |
6908 | } | |
6909 | ||
6910 | TEST(ArgsTest, AcceptsDecreasingTemplateArgs) { | |
6911 | const std::tuple<short, int, long> t(4, 5, 6L); // NOLINT | |
6912 | EXPECT_THAT(t, (Args<2, 0>(Gt()))); | |
6913 | EXPECT_THAT(t, Not(Args<2, 1>(Lt()))); | |
6914 | } | |
6915 | ||
6916 | MATCHER(SumIsZero, "") { | |
6917 | return std::get<0>(arg) + std::get<1>(arg) + std::get<2>(arg) == 0; | |
6918 | } | |
6919 | ||
6920 | TEST(ArgsTest, AcceptsMoreTemplateArgsThanArityOfOriginalTuple) { | |
6921 | EXPECT_THAT(std::make_tuple(-1, 2), (Args<0, 0, 1>(SumIsZero()))); | |
6922 | EXPECT_THAT(std::make_tuple(1, 2), Not(Args<0, 0, 1>(SumIsZero()))); | |
6923 | } | |
6924 | ||
6925 | TEST(ArgsTest, CanBeNested) { | |
6926 | const std::tuple<short, int, long, int> t(4, 5, 6L, 6); // NOLINT | |
6927 | EXPECT_THAT(t, (Args<1, 2, 3>(Args<1, 2>(Eq())))); | |
6928 | EXPECT_THAT(t, (Args<0, 1, 3>(Args<0, 2>(Lt())))); | |
6929 | } | |
6930 | ||
6931 | TEST(ArgsTest, CanMatchTupleByValue) { | |
6932 | typedef std::tuple<char, int, int> Tuple3; | |
6933 | const Matcher<Tuple3> m = Args<1, 2>(Lt()); | |
6934 | EXPECT_TRUE(m.Matches(Tuple3('a', 1, 2))); | |
6935 | EXPECT_FALSE(m.Matches(Tuple3('b', 2, 2))); | |
6936 | } | |
6937 | ||
6938 | TEST(ArgsTest, CanMatchTupleByReference) { | |
6939 | typedef std::tuple<char, char, int> Tuple3; | |
6940 | const Matcher<const Tuple3&> m = Args<0, 1>(Lt()); | |
6941 | EXPECT_TRUE(m.Matches(Tuple3('a', 'b', 2))); | |
6942 | EXPECT_FALSE(m.Matches(Tuple3('b', 'b', 2))); | |
6943 | } | |
6944 | ||
6945 | // Validates that arg is printed as str. | |
6946 | MATCHER_P(PrintsAs, str, "") { | |
6947 | return testing::PrintToString(arg) == str; | |
6948 | } | |
6949 | ||
6950 | TEST(ArgsTest, AcceptsTenTemplateArgs) { | |
6951 | EXPECT_THAT(std::make_tuple(0, 1L, 2, 3L, 4, 5, 6, 7, 8, 9), | |
6952 | (Args<9, 8, 7, 6, 5, 4, 3, 2, 1, 0>( | |
6953 | PrintsAs("(9, 8, 7, 6, 5, 4, 3, 2, 1, 0)")))); | |
6954 | EXPECT_THAT(std::make_tuple(0, 1L, 2, 3L, 4, 5, 6, 7, 8, 9), | |
6955 | Not(Args<9, 8, 7, 6, 5, 4, 3, 2, 1, 0>( | |
6956 | PrintsAs("(0, 8, 7, 6, 5, 4, 3, 2, 1, 0)")))); | |
6957 | } | |
6958 | ||
6959 | TEST(ArgsTest, DescirbesSelfCorrectly) { | |
6960 | const Matcher<std::tuple<int, bool, char> > m = Args<2, 0>(Lt()); | |
6961 | EXPECT_EQ("are a tuple whose fields (#2, #0) are a pair where " | |
6962 | "the first < the second", | |
6963 | Describe(m)); | |
6964 | } | |
6965 | ||
6966 | TEST(ArgsTest, DescirbesNestedArgsCorrectly) { | |
6967 | const Matcher<const std::tuple<int, bool, char, int>&> m = | |
6968 | Args<0, 2, 3>(Args<2, 0>(Lt())); | |
6969 | EXPECT_EQ("are a tuple whose fields (#0, #2, #3) are a tuple " | |
6970 | "whose fields (#2, #0) are a pair where the first < the second", | |
6971 | Describe(m)); | |
6972 | } | |
6973 | ||
6974 | TEST(ArgsTest, DescribesNegationCorrectly) { | |
6975 | const Matcher<std::tuple<int, char> > m = Args<1, 0>(Gt()); | |
6976 | EXPECT_EQ("are a tuple whose fields (#1, #0) aren't a pair " | |
6977 | "where the first > the second", | |
6978 | DescribeNegation(m)); | |
6979 | } | |
6980 | ||
6981 | TEST(ArgsTest, ExplainsMatchResultWithoutInnerExplanation) { | |
6982 | const Matcher<std::tuple<bool, int, int> > m = Args<1, 2>(Eq()); | |
6983 | EXPECT_EQ("whose fields (#1, #2) are (42, 42)", | |
6984 | Explain(m, std::make_tuple(false, 42, 42))); | |
6985 | EXPECT_EQ("whose fields (#1, #2) are (42, 43)", | |
6986 | Explain(m, std::make_tuple(false, 42, 43))); | |
6987 | } | |
6988 | ||
6989 | // For testing Args<>'s explanation. | |
6990 | class LessThanMatcher : public MatcherInterface<std::tuple<char, int> > { | |
6991 | public: | |
6992 | void DescribeTo(::std::ostream* /*os*/) const override {} | |
6993 | ||
6994 | bool MatchAndExplain(std::tuple<char, int> value, | |
6995 | MatchResultListener* listener) const override { | |
6996 | const int diff = std::get<0>(value) - std::get<1>(value); | |
6997 | if (diff > 0) { | |
6998 | *listener << "where the first value is " << diff | |
6999 | << " more than the second"; | |
7000 | } | |
7001 | return diff < 0; | |
7002 | } | |
7003 | }; | |
7004 | ||
7005 | Matcher<std::tuple<char, int> > LessThan() { | |
7006 | return MakeMatcher(new LessThanMatcher); | |
7007 | } | |
7008 | ||
7009 | TEST(ArgsTest, ExplainsMatchResultWithInnerExplanation) { | |
7010 | const Matcher<std::tuple<char, int, int> > m = Args<0, 2>(LessThan()); | |
7011 | EXPECT_EQ( | |
7012 | "whose fields (#0, #2) are ('a' (97, 0x61), 42), " | |
7013 | "where the first value is 55 more than the second", | |
7014 | Explain(m, std::make_tuple('a', 42, 42))); | |
7015 | EXPECT_EQ("whose fields (#0, #2) are ('\\0', 43)", | |
7016 | Explain(m, std::make_tuple('\0', 42, 43))); | |
7017 | } | |
7018 | ||
7019 | class PredicateFormatterFromMatcherTest : public ::testing::Test { | |
7020 | protected: | |
7021 | enum Behavior { kInitialSuccess, kAlwaysFail, kFlaky }; | |
7022 | ||
7023 | // A matcher that can return different results when used multiple times on the | |
7024 | // same input. No real matcher should do this; but this lets us test that we | |
7025 | // detect such behavior and fail appropriately. | |
7026 | class MockMatcher : public MatcherInterface<Behavior> { | |
7027 | public: | |
7028 | bool MatchAndExplain(Behavior behavior, | |
7029 | MatchResultListener* listener) const override { | |
7030 | *listener << "[MatchAndExplain]"; | |
7031 | switch (behavior) { | |
7032 | case kInitialSuccess: | |
7033 | // The first call to MatchAndExplain should use a "not interested" | |
7034 | // listener; so this is expected to return |true|. There should be no | |
7035 | // subsequent calls. | |
7036 | return !listener->IsInterested(); | |
7037 | ||
7038 | case kAlwaysFail: | |
7039 | return false; | |
7040 | ||
7041 | case kFlaky: | |
7042 | // The first call to MatchAndExplain should use a "not interested" | |
7043 | // listener; so this will return |false|. Subsequent calls should have | |
7044 | // an "interested" listener; so this will return |true|, thus | |
7045 | // simulating a flaky matcher. | |
7046 | return listener->IsInterested(); | |
7047 | } | |
7048 | ||
7049 | GTEST_LOG_(FATAL) << "This should never be reached"; | |
7050 | return false; | |
7051 | } | |
7052 | ||
7053 | void DescribeTo(ostream* os) const override { *os << "[DescribeTo]"; } | |
7054 | ||
7055 | void DescribeNegationTo(ostream* os) const override { | |
7056 | *os << "[DescribeNegationTo]"; | |
7057 | } | |
7058 | }; | |
7059 | ||
7060 | AssertionResult RunPredicateFormatter(Behavior behavior) { | |
7061 | auto matcher = MakeMatcher(new MockMatcher); | |
7062 | PredicateFormatterFromMatcher<Matcher<Behavior>> predicate_formatter( | |
7063 | matcher); | |
7064 | return predicate_formatter("dummy-name", behavior); | |
7065 | } | |
7066 | }; | |
7067 | ||
7068 | TEST_F(PredicateFormatterFromMatcherTest, ShortCircuitOnSuccess) { | |
7069 | AssertionResult result = RunPredicateFormatter(kInitialSuccess); | |
7070 | EXPECT_TRUE(result); // Implicit cast to bool. | |
7071 | std::string expect; | |
7072 | EXPECT_EQ(expect, result.message()); | |
7073 | } | |
7074 | ||
7075 | TEST_F(PredicateFormatterFromMatcherTest, NoShortCircuitOnFailure) { | |
7076 | AssertionResult result = RunPredicateFormatter(kAlwaysFail); | |
7077 | EXPECT_FALSE(result); // Implicit cast to bool. | |
7078 | std::string expect = | |
7079 | "Value of: dummy-name\nExpected: [DescribeTo]\n" | |
7080 | " Actual: 1" + | |
7081 | OfType(internal::GetTypeName<Behavior>()) + ", [MatchAndExplain]"; | |
7082 | EXPECT_EQ(expect, result.message()); | |
7083 | } | |
7084 | ||
7085 | TEST_F(PredicateFormatterFromMatcherTest, DetectsFlakyShortCircuit) { | |
7086 | AssertionResult result = RunPredicateFormatter(kFlaky); | |
7087 | EXPECT_FALSE(result); // Implicit cast to bool. | |
7088 | std::string expect = | |
7089 | "Value of: dummy-name\nExpected: [DescribeTo]\n" | |
7090 | " The matcher failed on the initial attempt; but passed when rerun to " | |
7091 | "generate the explanation.\n" | |
7092 | " Actual: 2" + | |
7093 | OfType(internal::GetTypeName<Behavior>()) + ", [MatchAndExplain]"; | |
7094 | EXPECT_EQ(expect, result.message()); | |
7095 | } | |
7096 | ||
7097 | // Tests for ElementsAre(). | |
7098 | ||
7099 | TEST(ElementsAreTest, CanDescribeExpectingNoElement) { | |
7100 | Matcher<const vector<int>&> m = ElementsAre(); | |
7101 | EXPECT_EQ("is empty", Describe(m)); | |
7102 | } | |
7103 | ||
7104 | TEST(ElementsAreTest, CanDescribeExpectingOneElement) { | |
7105 | Matcher<vector<int>> m = ElementsAre(Gt(5)); | |
7106 | EXPECT_EQ("has 1 element that is > 5", Describe(m)); | |
7107 | } | |
7108 | ||
7109 | TEST(ElementsAreTest, CanDescribeExpectingManyElements) { | |
7110 | Matcher<list<std::string>> m = ElementsAre(StrEq("one"), "two"); | |
7111 | EXPECT_EQ( | |
7112 | "has 2 elements where\n" | |
7113 | "element #0 is equal to \"one\",\n" | |
7114 | "element #1 is equal to \"two\"", | |
7115 | Describe(m)); | |
7116 | } | |
7117 | ||
7118 | TEST(ElementsAreTest, CanDescribeNegationOfExpectingNoElement) { | |
7119 | Matcher<vector<int>> m = ElementsAre(); | |
7120 | EXPECT_EQ("isn't empty", DescribeNegation(m)); | |
7121 | } | |
7122 | ||
7123 | TEST(ElementsAreTest, CanDescribeNegationOfExpectingOneElment) { | |
7124 | Matcher<const list<int>&> m = ElementsAre(Gt(5)); | |
7125 | EXPECT_EQ( | |
7126 | "doesn't have 1 element, or\n" | |
7127 | "element #0 isn't > 5", | |
7128 | DescribeNegation(m)); | |
7129 | } | |
7130 | ||
7131 | TEST(ElementsAreTest, CanDescribeNegationOfExpectingManyElements) { | |
7132 | Matcher<const list<std::string>&> m = ElementsAre("one", "two"); | |
7133 | EXPECT_EQ( | |
7134 | "doesn't have 2 elements, or\n" | |
7135 | "element #0 isn't equal to \"one\", or\n" | |
7136 | "element #1 isn't equal to \"two\"", | |
7137 | DescribeNegation(m)); | |
7138 | } | |
7139 | ||
7140 | TEST(ElementsAreTest, DoesNotExplainTrivialMatch) { | |
7141 | Matcher<const list<int>&> m = ElementsAre(1, Ne(2)); | |
7142 | ||
7143 | list<int> test_list; | |
7144 | test_list.push_back(1); | |
7145 | test_list.push_back(3); | |
7146 | EXPECT_EQ("", Explain(m, test_list)); // No need to explain anything. | |
7147 | } | |
7148 | ||
7149 | TEST(ElementsAreTest, ExplainsNonTrivialMatch) { | |
7150 | Matcher<const vector<int>&> m = | |
7151 | ElementsAre(GreaterThan(1), 0, GreaterThan(2)); | |
7152 | ||
7153 | const int a[] = {10, 0, 100}; | |
7154 | vector<int> test_vector(std::begin(a), std::end(a)); | |
7155 | EXPECT_EQ( | |
7156 | "whose element #0 matches, which is 9 more than 1,\n" | |
7157 | "and whose element #2 matches, which is 98 more than 2", | |
7158 | Explain(m, test_vector)); | |
7159 | } | |
7160 | ||
7161 | TEST(ElementsAreTest, CanExplainMismatchWrongSize) { | |
7162 | Matcher<const list<int>&> m = ElementsAre(1, 3); | |
7163 | ||
7164 | list<int> test_list; | |
7165 | // No need to explain when the container is empty. | |
7166 | EXPECT_EQ("", Explain(m, test_list)); | |
7167 | ||
7168 | test_list.push_back(1); | |
7169 | EXPECT_EQ("which has 1 element", Explain(m, test_list)); | |
7170 | } | |
7171 | ||
7172 | TEST(ElementsAreTest, CanExplainMismatchRightSize) { | |
7173 | Matcher<const vector<int>&> m = ElementsAre(1, GreaterThan(5)); | |
7174 | ||
7175 | vector<int> v; | |
7176 | v.push_back(2); | |
7177 | v.push_back(1); | |
7178 | EXPECT_EQ("whose element #0 doesn't match", Explain(m, v)); | |
7179 | ||
7180 | v[0] = 1; | |
7181 | EXPECT_EQ("whose element #1 doesn't match, which is 4 less than 5", | |
7182 | Explain(m, v)); | |
7183 | } | |
7184 | ||
7185 | TEST(ElementsAreTest, MatchesOneElementVector) { | |
7186 | vector<std::string> test_vector; | |
7187 | test_vector.push_back("test string"); | |
7188 | ||
7189 | EXPECT_THAT(test_vector, ElementsAre(StrEq("test string"))); | |
7190 | } | |
7191 | ||
7192 | TEST(ElementsAreTest, MatchesOneElementList) { | |
7193 | list<std::string> test_list; | |
7194 | test_list.push_back("test string"); | |
7195 | ||
7196 | EXPECT_THAT(test_list, ElementsAre("test string")); | |
7197 | } | |
7198 | ||
7199 | TEST(ElementsAreTest, MatchesThreeElementVector) { | |
7200 | vector<std::string> test_vector; | |
7201 | test_vector.push_back("one"); | |
7202 | test_vector.push_back("two"); | |
7203 | test_vector.push_back("three"); | |
7204 | ||
7205 | EXPECT_THAT(test_vector, ElementsAre("one", StrEq("two"), _)); | |
7206 | } | |
7207 | ||
7208 | TEST(ElementsAreTest, MatchesOneElementEqMatcher) { | |
7209 | vector<int> test_vector; | |
7210 | test_vector.push_back(4); | |
7211 | ||
7212 | EXPECT_THAT(test_vector, ElementsAre(Eq(4))); | |
7213 | } | |
7214 | ||
7215 | TEST(ElementsAreTest, MatchesOneElementAnyMatcher) { | |
7216 | vector<int> test_vector; | |
7217 | test_vector.push_back(4); | |
7218 | ||
7219 | EXPECT_THAT(test_vector, ElementsAre(_)); | |
7220 | } | |
7221 | ||
7222 | TEST(ElementsAreTest, MatchesOneElementValue) { | |
7223 | vector<int> test_vector; | |
7224 | test_vector.push_back(4); | |
7225 | ||
7226 | EXPECT_THAT(test_vector, ElementsAre(4)); | |
7227 | } | |
7228 | ||
7229 | TEST(ElementsAreTest, MatchesThreeElementsMixedMatchers) { | |
7230 | vector<int> test_vector; | |
7231 | test_vector.push_back(1); | |
7232 | test_vector.push_back(2); | |
7233 | test_vector.push_back(3); | |
7234 | ||
7235 | EXPECT_THAT(test_vector, ElementsAre(1, Eq(2), _)); | |
7236 | } | |
7237 | ||
7238 | TEST(ElementsAreTest, MatchesTenElementVector) { | |
7239 | const int a[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; | |
7240 | vector<int> test_vector(std::begin(a), std::end(a)); | |
7241 | ||
7242 | EXPECT_THAT(test_vector, | |
7243 | // The element list can contain values and/or matchers | |
7244 | // of different types. | |
7245 | ElementsAre(0, Ge(0), _, 3, 4, Ne(2), Eq(6), 7, 8, _)); | |
7246 | } | |
7247 | ||
7248 | TEST(ElementsAreTest, DoesNotMatchWrongSize) { | |
7249 | vector<std::string> test_vector; | |
7250 | test_vector.push_back("test string"); | |
7251 | test_vector.push_back("test string"); | |
7252 | ||
7253 | Matcher<vector<std::string>> m = ElementsAre(StrEq("test string")); | |
7254 | EXPECT_FALSE(m.Matches(test_vector)); | |
7255 | } | |
7256 | ||
7257 | TEST(ElementsAreTest, DoesNotMatchWrongValue) { | |
7258 | vector<std::string> test_vector; | |
7259 | test_vector.push_back("other string"); | |
7260 | ||
7261 | Matcher<vector<std::string>> m = ElementsAre(StrEq("test string")); | |
7262 | EXPECT_FALSE(m.Matches(test_vector)); | |
7263 | } | |
7264 | ||
7265 | TEST(ElementsAreTest, DoesNotMatchWrongOrder) { | |
7266 | vector<std::string> test_vector; | |
7267 | test_vector.push_back("one"); | |
7268 | test_vector.push_back("three"); | |
7269 | test_vector.push_back("two"); | |
7270 | ||
7271 | Matcher<vector<std::string>> m = | |
7272 | ElementsAre(StrEq("one"), StrEq("two"), StrEq("three")); | |
7273 | EXPECT_FALSE(m.Matches(test_vector)); | |
7274 | } | |
7275 | ||
7276 | TEST(ElementsAreTest, WorksForNestedContainer) { | |
7277 | constexpr std::array<const char*, 2> strings = {{"Hi", "world"}}; | |
7278 | ||
7279 | vector<list<char>> nested; | |
7280 | for (const auto& s : strings) { | |
7281 | nested.emplace_back(s, s + strlen(s)); | |
7282 | } | |
7283 | ||
7284 | EXPECT_THAT(nested, ElementsAre(ElementsAre('H', Ne('e')), | |
7285 | ElementsAre('w', 'o', _, _, 'd'))); | |
7286 | EXPECT_THAT(nested, Not(ElementsAre(ElementsAre('H', 'e'), | |
7287 | ElementsAre('w', 'o', _, _, 'd')))); | |
7288 | } | |
7289 | ||
7290 | TEST(ElementsAreTest, WorksWithByRefElementMatchers) { | |
7291 | int a[] = {0, 1, 2}; | |
7292 | vector<int> v(std::begin(a), std::end(a)); | |
7293 | ||
7294 | EXPECT_THAT(v, ElementsAre(Ref(v[0]), Ref(v[1]), Ref(v[2]))); | |
7295 | EXPECT_THAT(v, Not(ElementsAre(Ref(v[0]), Ref(v[1]), Ref(a[2])))); | |
7296 | } | |
7297 | ||
7298 | TEST(ElementsAreTest, WorksWithContainerPointerUsingPointee) { | |
7299 | int a[] = {0, 1, 2}; | |
7300 | vector<int> v(std::begin(a), std::end(a)); | |
7301 | ||
7302 | EXPECT_THAT(&v, Pointee(ElementsAre(0, 1, _))); | |
7303 | EXPECT_THAT(&v, Not(Pointee(ElementsAre(0, _, 3)))); | |
7304 | } | |
7305 | ||
7306 | TEST(ElementsAreTest, WorksWithNativeArrayPassedByReference) { | |
7307 | int array[] = {0, 1, 2}; | |
7308 | EXPECT_THAT(array, ElementsAre(0, 1, _)); | |
7309 | EXPECT_THAT(array, Not(ElementsAre(1, _, _))); | |
7310 | EXPECT_THAT(array, Not(ElementsAre(0, _))); | |
7311 | } | |
7312 | ||
7313 | class NativeArrayPassedAsPointerAndSize { | |
7314 | public: | |
7315 | NativeArrayPassedAsPointerAndSize() {} | |
7316 | ||
7317 | MOCK_METHOD(void, Helper, (int* array, int size)); | |
7318 | ||
7319 | private: | |
7320 | GTEST_DISALLOW_COPY_AND_ASSIGN_(NativeArrayPassedAsPointerAndSize); | |
7321 | }; | |
7322 | ||
7323 | TEST(ElementsAreTest, WorksWithNativeArrayPassedAsPointerAndSize) { | |
7324 | int array[] = {0, 1}; | |
7325 | ::std::tuple<int*, size_t> array_as_tuple(array, 2); | |
7326 | EXPECT_THAT(array_as_tuple, ElementsAre(0, 1)); | |
7327 | EXPECT_THAT(array_as_tuple, Not(ElementsAre(0))); | |
7328 | ||
7329 | NativeArrayPassedAsPointerAndSize helper; | |
7330 | EXPECT_CALL(helper, Helper(_, _)).With(ElementsAre(0, 1)); | |
7331 | helper.Helper(array, 2); | |
7332 | } | |
7333 | ||
7334 | TEST(ElementsAreTest, WorksWithTwoDimensionalNativeArray) { | |
7335 | const char a2[][3] = {"hi", "lo"}; | |
7336 | EXPECT_THAT(a2, ElementsAre(ElementsAre('h', 'i', '\0'), | |
7337 | ElementsAre('l', 'o', '\0'))); | |
7338 | EXPECT_THAT(a2, ElementsAre(StrEq("hi"), StrEq("lo"))); | |
7339 | EXPECT_THAT(a2, ElementsAre(Not(ElementsAre('h', 'o', '\0')), | |
7340 | ElementsAre('l', 'o', '\0'))); | |
7341 | } | |
7342 | ||
7343 | TEST(ElementsAreTest, AcceptsStringLiteral) { | |
7344 | std::string array[] = {"hi", "one", "two"}; | |
7345 | EXPECT_THAT(array, ElementsAre("hi", "one", "two")); | |
7346 | EXPECT_THAT(array, Not(ElementsAre("hi", "one", "too"))); | |
7347 | } | |
7348 | ||
7349 | // Declared here with the size unknown. Defined AFTER the following test. | |
7350 | extern const char kHi[]; | |
7351 | ||
7352 | TEST(ElementsAreTest, AcceptsArrayWithUnknownSize) { | |
7353 | // The size of kHi is not known in this test, but ElementsAre() should | |
7354 | // still accept it. | |
7355 | ||
7356 | std::string array1[] = {"hi"}; | |
7357 | EXPECT_THAT(array1, ElementsAre(kHi)); | |
7358 | ||
7359 | std::string array2[] = {"ho"}; | |
7360 | EXPECT_THAT(array2, Not(ElementsAre(kHi))); | |
7361 | } | |
7362 | ||
7363 | const char kHi[] = "hi"; | |
7364 | ||
7365 | TEST(ElementsAreTest, MakesCopyOfArguments) { | |
7366 | int x = 1; | |
7367 | int y = 2; | |
7368 | // This should make a copy of x and y. | |
7369 | ::testing::internal::ElementsAreMatcher<std::tuple<int, int>> | |
7370 | polymorphic_matcher = ElementsAre(x, y); | |
7371 | // Changing x and y now shouldn't affect the meaning of the above matcher. | |
7372 | x = y = 0; | |
7373 | const int array1[] = {1, 2}; | |
7374 | EXPECT_THAT(array1, polymorphic_matcher); | |
7375 | const int array2[] = {0, 0}; | |
7376 | EXPECT_THAT(array2, Not(polymorphic_matcher)); | |
7377 | } | |
7378 | ||
7379 | // Tests for ElementsAreArray(). Since ElementsAreArray() shares most | |
7380 | // of the implementation with ElementsAre(), we don't test it as | |
7381 | // thoroughly here. | |
7382 | ||
7383 | TEST(ElementsAreArrayTest, CanBeCreatedWithValueArray) { | |
7384 | const int a[] = {1, 2, 3}; | |
7385 | ||
7386 | vector<int> test_vector(std::begin(a), std::end(a)); | |
7387 | EXPECT_THAT(test_vector, ElementsAreArray(a)); | |
7388 | ||
7389 | test_vector[2] = 0; | |
7390 | EXPECT_THAT(test_vector, Not(ElementsAreArray(a))); | |
7391 | } | |
7392 | ||
7393 | TEST(ElementsAreArrayTest, CanBeCreatedWithArraySize) { | |
7394 | std::array<const char*, 3> a = {{"one", "two", "three"}}; | |
7395 | ||
7396 | vector<std::string> test_vector(std::begin(a), std::end(a)); | |
7397 | EXPECT_THAT(test_vector, ElementsAreArray(a.data(), a.size())); | |
7398 | ||
7399 | const char** p = a.data(); | |
7400 | test_vector[0] = "1"; | |
7401 | EXPECT_THAT(test_vector, Not(ElementsAreArray(p, a.size()))); | |
7402 | } | |
7403 | ||
7404 | TEST(ElementsAreArrayTest, CanBeCreatedWithoutArraySize) { | |
7405 | const char* a[] = {"one", "two", "three"}; | |
7406 | ||
7407 | vector<std::string> test_vector(std::begin(a), std::end(a)); | |
7408 | EXPECT_THAT(test_vector, ElementsAreArray(a)); | |
7409 | ||
7410 | test_vector[0] = "1"; | |
7411 | EXPECT_THAT(test_vector, Not(ElementsAreArray(a))); | |
7412 | } | |
7413 | ||
7414 | TEST(ElementsAreArrayTest, CanBeCreatedWithMatcherArray) { | |
7415 | const Matcher<std::string> kMatcherArray[] = {StrEq("one"), StrEq("two"), | |
7416 | StrEq("three")}; | |
7417 | ||
7418 | vector<std::string> test_vector; | |
7419 | test_vector.push_back("one"); | |
7420 | test_vector.push_back("two"); | |
7421 | test_vector.push_back("three"); | |
7422 | EXPECT_THAT(test_vector, ElementsAreArray(kMatcherArray)); | |
7423 | ||
7424 | test_vector.push_back("three"); | |
7425 | EXPECT_THAT(test_vector, Not(ElementsAreArray(kMatcherArray))); | |
7426 | } | |
7427 | ||
7428 | TEST(ElementsAreArrayTest, CanBeCreatedWithVector) { | |
7429 | const int a[] = {1, 2, 3}; | |
7430 | vector<int> test_vector(std::begin(a), std::end(a)); | |
7431 | const vector<int> expected(std::begin(a), std::end(a)); | |
7432 | EXPECT_THAT(test_vector, ElementsAreArray(expected)); | |
7433 | test_vector.push_back(4); | |
7434 | EXPECT_THAT(test_vector, Not(ElementsAreArray(expected))); | |
7435 | } | |
7436 | ||
7437 | TEST(ElementsAreArrayTest, TakesInitializerList) { | |
7438 | const int a[5] = {1, 2, 3, 4, 5}; | |
7439 | EXPECT_THAT(a, ElementsAreArray({1, 2, 3, 4, 5})); | |
7440 | EXPECT_THAT(a, Not(ElementsAreArray({1, 2, 3, 5, 4}))); | |
7441 | EXPECT_THAT(a, Not(ElementsAreArray({1, 2, 3, 4, 6}))); | |
7442 | } | |
7443 | ||
7444 | TEST(ElementsAreArrayTest, TakesInitializerListOfCStrings) { | |
7445 | const std::string a[5] = {"a", "b", "c", "d", "e"}; | |
7446 | EXPECT_THAT(a, ElementsAreArray({"a", "b", "c", "d", "e"})); | |
7447 | EXPECT_THAT(a, Not(ElementsAreArray({"a", "b", "c", "e", "d"}))); | |
7448 | EXPECT_THAT(a, Not(ElementsAreArray({"a", "b", "c", "d", "ef"}))); | |
7449 | } | |
7450 | ||
7451 | TEST(ElementsAreArrayTest, TakesInitializerListOfSameTypedMatchers) { | |
7452 | const int a[5] = {1, 2, 3, 4, 5}; | |
7453 | EXPECT_THAT(a, ElementsAreArray({Eq(1), Eq(2), Eq(3), Eq(4), Eq(5)})); | |
7454 | EXPECT_THAT(a, Not(ElementsAreArray({Eq(1), Eq(2), Eq(3), Eq(4), Eq(6)}))); | |
7455 | } | |
7456 | ||
7457 | TEST(ElementsAreArrayTest, TakesInitializerListOfDifferentTypedMatchers) { | |
7458 | const int a[5] = {1, 2, 3, 4, 5}; | |
7459 | // The compiler cannot infer the type of the initializer list if its | |
7460 | // elements have different types. We must explicitly specify the | |
7461 | // unified element type in this case. | |
7462 | EXPECT_THAT( | |
7463 | a, ElementsAreArray<Matcher<int>>({Eq(1), Ne(-2), Ge(3), Le(4), Eq(5)})); | |
7464 | EXPECT_THAT(a, Not(ElementsAreArray<Matcher<int>>( | |
7465 | {Eq(1), Ne(-2), Ge(3), Le(4), Eq(6)}))); | |
7466 | } | |
7467 | ||
7468 | TEST(ElementsAreArrayTest, CanBeCreatedWithMatcherVector) { | |
7469 | const int a[] = {1, 2, 3}; | |
7470 | const Matcher<int> kMatchers[] = {Eq(1), Eq(2), Eq(3)}; | |
7471 | vector<int> test_vector(std::begin(a), std::end(a)); | |
7472 | const vector<Matcher<int>> expected(std::begin(kMatchers), | |
7473 | std::end(kMatchers)); | |
7474 | EXPECT_THAT(test_vector, ElementsAreArray(expected)); | |
7475 | test_vector.push_back(4); | |
7476 | EXPECT_THAT(test_vector, Not(ElementsAreArray(expected))); | |
7477 | } | |
7478 | ||
7479 | TEST(ElementsAreArrayTest, CanBeCreatedWithIteratorRange) { | |
7480 | const int a[] = {1, 2, 3}; | |
7481 | const vector<int> test_vector(std::begin(a), std::end(a)); | |
7482 | const vector<int> expected(std::begin(a), std::end(a)); | |
7483 | EXPECT_THAT(test_vector, ElementsAreArray(expected.begin(), expected.end())); | |
7484 | // Pointers are iterators, too. | |
7485 | EXPECT_THAT(test_vector, ElementsAreArray(std::begin(a), std::end(a))); | |
7486 | // The empty range of NULL pointers should also be okay. | |
7487 | int* const null_int = nullptr; | |
7488 | EXPECT_THAT(test_vector, Not(ElementsAreArray(null_int, null_int))); | |
7489 | EXPECT_THAT((vector<int>()), ElementsAreArray(null_int, null_int)); | |
7490 | } | |
7491 | ||
7492 | // Since ElementsAre() and ElementsAreArray() share much of the | |
7493 | // implementation, we only do a sanity test for native arrays here. | |
7494 | TEST(ElementsAreArrayTest, WorksWithNativeArray) { | |
7495 | ::std::string a[] = {"hi", "ho"}; | |
7496 | ::std::string b[] = {"hi", "ho"}; | |
7497 | ||
7498 | EXPECT_THAT(a, ElementsAreArray(b)); | |
7499 | EXPECT_THAT(a, ElementsAreArray(b, 2)); | |
7500 | EXPECT_THAT(a, Not(ElementsAreArray(b, 1))); | |
7501 | } | |
7502 | ||
7503 | TEST(ElementsAreArrayTest, SourceLifeSpan) { | |
7504 | const int a[] = {1, 2, 3}; | |
7505 | vector<int> test_vector(std::begin(a), std::end(a)); | |
7506 | vector<int> expect(std::begin(a), std::end(a)); | |
7507 | ElementsAreArrayMatcher<int> matcher_maker = | |
7508 | ElementsAreArray(expect.begin(), expect.end()); | |
7509 | EXPECT_THAT(test_vector, matcher_maker); | |
7510 | // Changing in place the values that initialized matcher_maker should not | |
7511 | // affect matcher_maker anymore. It should have made its own copy of them. | |
7512 | for (int& i : expect) { | |
7513 | i += 10; | |
7514 | } | |
7515 | EXPECT_THAT(test_vector, matcher_maker); | |
7516 | test_vector.push_back(3); | |
7517 | EXPECT_THAT(test_vector, Not(matcher_maker)); | |
7518 | } | |
7519 | ||
7520 | // Tests for the MATCHER*() macro family. | |
7521 | ||
7522 | // Tests that a simple MATCHER() definition works. | |
7523 | ||
7524 | MATCHER(IsEven, "") { return (arg % 2) == 0; } | |
7525 | ||
7526 | TEST(MatcherMacroTest, Works) { | |
7527 | const Matcher<int> m = IsEven(); | |
7528 | EXPECT_TRUE(m.Matches(6)); | |
7529 | EXPECT_FALSE(m.Matches(7)); | |
7530 | ||
7531 | EXPECT_EQ("is even", Describe(m)); | |
7532 | EXPECT_EQ("not (is even)", DescribeNegation(m)); | |
7533 | EXPECT_EQ("", Explain(m, 6)); | |
7534 | EXPECT_EQ("", Explain(m, 7)); | |
7535 | } | |
7536 | ||
7537 | // This also tests that the description string can reference 'negation'. | |
7538 | MATCHER(IsEven2, negation ? "is odd" : "is even") { | |
7539 | if ((arg % 2) == 0) { | |
7540 | // Verifies that we can stream to result_listener, a listener | |
7541 | // supplied by the MATCHER macro implicitly. | |
7542 | *result_listener << "OK"; | |
7543 | return true; | |
7544 | } else { | |
7545 | *result_listener << "% 2 == " << (arg % 2); | |
7546 | return false; | |
7547 | } | |
7548 | } | |
7549 | ||
7550 | // This also tests that the description string can reference matcher | |
7551 | // parameters. | |
7552 | MATCHER_P2(EqSumOf, x, y, | |
7553 | std::string(negation ? "doesn't equal" : "equals") + " the sum of " + | |
7554 | PrintToString(x) + " and " + PrintToString(y)) { | |
7555 | if (arg == (x + y)) { | |
7556 | *result_listener << "OK"; | |
7557 | return true; | |
7558 | } else { | |
7559 | // Verifies that we can stream to the underlying stream of | |
7560 | // result_listener. | |
7561 | if (result_listener->stream() != nullptr) { | |
7562 | *result_listener->stream() << "diff == " << (x + y - arg); | |
7563 | } | |
7564 | return false; | |
7565 | } | |
7566 | } | |
7567 | ||
7568 | // Tests that the matcher description can reference 'negation' and the | |
7569 | // matcher parameters. | |
7570 | TEST(MatcherMacroTest, DescriptionCanReferenceNegationAndParameters) { | |
7571 | const Matcher<int> m1 = IsEven2(); | |
7572 | EXPECT_EQ("is even", Describe(m1)); | |
7573 | EXPECT_EQ("is odd", DescribeNegation(m1)); | |
7574 | ||
7575 | const Matcher<int> m2 = EqSumOf(5, 9); | |
7576 | EXPECT_EQ("equals the sum of 5 and 9", Describe(m2)); | |
7577 | EXPECT_EQ("doesn't equal the sum of 5 and 9", DescribeNegation(m2)); | |
7578 | } | |
7579 | ||
7580 | // Tests explaining match result in a MATCHER* macro. | |
7581 | TEST(MatcherMacroTest, CanExplainMatchResult) { | |
7582 | const Matcher<int> m1 = IsEven2(); | |
7583 | EXPECT_EQ("OK", Explain(m1, 4)); | |
7584 | EXPECT_EQ("% 2 == 1", Explain(m1, 5)); | |
7585 | ||
7586 | const Matcher<int> m2 = EqSumOf(1, 2); | |
7587 | EXPECT_EQ("OK", Explain(m2, 3)); | |
7588 | EXPECT_EQ("diff == -1", Explain(m2, 4)); | |
7589 | } | |
7590 | ||
7591 | // Tests that the body of MATCHER() can reference the type of the | |
7592 | // value being matched. | |
7593 | ||
7594 | MATCHER(IsEmptyString, "") { | |
7595 | StaticAssertTypeEq<::std::string, arg_type>(); | |
7596 | return arg.empty(); | |
7597 | } | |
7598 | ||
7599 | MATCHER(IsEmptyStringByRef, "") { | |
7600 | StaticAssertTypeEq<const ::std::string&, arg_type>(); | |
7601 | return arg.empty(); | |
7602 | } | |
7603 | ||
7604 | TEST(MatcherMacroTest, CanReferenceArgType) { | |
7605 | const Matcher<::std::string> m1 = IsEmptyString(); | |
7606 | EXPECT_TRUE(m1.Matches("")); | |
7607 | ||
7608 | const Matcher<const ::std::string&> m2 = IsEmptyStringByRef(); | |
7609 | EXPECT_TRUE(m2.Matches("")); | |
7610 | } | |
7611 | ||
7612 | // Tests that MATCHER() can be used in a namespace. | |
7613 | ||
7614 | namespace matcher_test { | |
7615 | MATCHER(IsOdd, "") { return (arg % 2) != 0; } | |
7616 | } // namespace matcher_test | |
7617 | ||
7618 | TEST(MatcherMacroTest, WorksInNamespace) { | |
7619 | Matcher<int> m = matcher_test::IsOdd(); | |
7620 | EXPECT_FALSE(m.Matches(4)); | |
7621 | EXPECT_TRUE(m.Matches(5)); | |
7622 | } | |
7623 | ||
7624 | // Tests that Value() can be used to compose matchers. | |
7625 | MATCHER(IsPositiveOdd, "") { | |
7626 | return Value(arg, matcher_test::IsOdd()) && arg > 0; | |
7627 | } | |
7628 | ||
7629 | TEST(MatcherMacroTest, CanBeComposedUsingValue) { | |
7630 | EXPECT_THAT(3, IsPositiveOdd()); | |
7631 | EXPECT_THAT(4, Not(IsPositiveOdd())); | |
7632 | EXPECT_THAT(-1, Not(IsPositiveOdd())); | |
7633 | } | |
7634 | ||
7635 | // Tests that a simple MATCHER_P() definition works. | |
7636 | ||
7637 | MATCHER_P(IsGreaterThan32And, n, "") { return arg > 32 && arg > n; } | |
7638 | ||
7639 | TEST(MatcherPMacroTest, Works) { | |
7640 | const Matcher<int> m = IsGreaterThan32And(5); | |
7641 | EXPECT_TRUE(m.Matches(36)); | |
7642 | EXPECT_FALSE(m.Matches(5)); | |
7643 | ||
7644 | EXPECT_EQ("is greater than 32 and 5", Describe(m)); | |
7645 | EXPECT_EQ("not (is greater than 32 and 5)", DescribeNegation(m)); | |
7646 | EXPECT_EQ("", Explain(m, 36)); | |
7647 | EXPECT_EQ("", Explain(m, 5)); | |
7648 | } | |
7649 | ||
7650 | // Tests that the description is calculated correctly from the matcher name. | |
7651 | MATCHER_P(_is_Greater_Than32and_, n, "") { return arg > 32 && arg > n; } | |
7652 | ||
7653 | TEST(MatcherPMacroTest, GeneratesCorrectDescription) { | |
7654 | const Matcher<int> m = _is_Greater_Than32and_(5); | |
7655 | ||
7656 | EXPECT_EQ("is greater than 32 and 5", Describe(m)); | |
7657 | EXPECT_EQ("not (is greater than 32 and 5)", DescribeNegation(m)); | |
7658 | EXPECT_EQ("", Explain(m, 36)); | |
7659 | EXPECT_EQ("", Explain(m, 5)); | |
7660 | } | |
7661 | ||
7662 | // Tests that a MATCHER_P matcher can be explicitly instantiated with | |
7663 | // a reference parameter type. | |
7664 | ||
7665 | class UncopyableFoo { | |
7666 | public: | |
7667 | explicit UncopyableFoo(char value) : value_(value) { (void)value_; } | |
7668 | ||
7669 | UncopyableFoo(const UncopyableFoo&) = delete; | |
7670 | void operator=(const UncopyableFoo&) = delete; | |
7671 | ||
7672 | private: | |
7673 | char value_; | |
7674 | }; | |
7675 | ||
7676 | MATCHER_P(ReferencesUncopyable, variable, "") { return &arg == &variable; } | |
7677 | ||
7678 | TEST(MatcherPMacroTest, WorksWhenExplicitlyInstantiatedWithReference) { | |
7679 | UncopyableFoo foo1('1'), foo2('2'); | |
7680 | const Matcher<const UncopyableFoo&> m = | |
7681 | ReferencesUncopyable<const UncopyableFoo&>(foo1); | |
7682 | ||
7683 | EXPECT_TRUE(m.Matches(foo1)); | |
7684 | EXPECT_FALSE(m.Matches(foo2)); | |
7685 | ||
7686 | // We don't want the address of the parameter printed, as most | |
7687 | // likely it will just annoy the user. If the address is | |
7688 | // interesting, the user should consider passing the parameter by | |
7689 | // pointer instead. | |
7690 | EXPECT_EQ("references uncopyable 1-byte object <31>", Describe(m)); | |
7691 | } | |
7692 | ||
7693 | // Tests that the body of MATCHER_Pn() can reference the parameter | |
7694 | // types. | |
7695 | ||
7696 | MATCHER_P3(ParamTypesAreIntLongAndChar, foo, bar, baz, "") { | |
7697 | StaticAssertTypeEq<int, foo_type>(); | |
7698 | StaticAssertTypeEq<long, bar_type>(); // NOLINT | |
7699 | StaticAssertTypeEq<char, baz_type>(); | |
7700 | return arg == 0; | |
7701 | } | |
7702 | ||
7703 | TEST(MatcherPnMacroTest, CanReferenceParamTypes) { | |
7704 | EXPECT_THAT(0, ParamTypesAreIntLongAndChar(10, 20L, 'a')); | |
7705 | } | |
7706 | ||
7707 | // Tests that a MATCHER_Pn matcher can be explicitly instantiated with | |
7708 | // reference parameter types. | |
7709 | ||
7710 | MATCHER_P2(ReferencesAnyOf, variable1, variable2, "") { | |
7711 | return &arg == &variable1 || &arg == &variable2; | |
7712 | } | |
7713 | ||
7714 | TEST(MatcherPnMacroTest, WorksWhenExplicitlyInstantiatedWithReferences) { | |
7715 | UncopyableFoo foo1('1'), foo2('2'), foo3('3'); | |
7716 | const Matcher<const UncopyableFoo&> const_m = | |
7717 | ReferencesAnyOf<const UncopyableFoo&, const UncopyableFoo&>(foo1, foo2); | |
7718 | ||
7719 | EXPECT_TRUE(const_m.Matches(foo1)); | |
7720 | EXPECT_TRUE(const_m.Matches(foo2)); | |
7721 | EXPECT_FALSE(const_m.Matches(foo3)); | |
7722 | ||
7723 | const Matcher<UncopyableFoo&> m = | |
7724 | ReferencesAnyOf<UncopyableFoo&, UncopyableFoo&>(foo1, foo2); | |
7725 | ||
7726 | EXPECT_TRUE(m.Matches(foo1)); | |
7727 | EXPECT_TRUE(m.Matches(foo2)); | |
7728 | EXPECT_FALSE(m.Matches(foo3)); | |
7729 | } | |
7730 | ||
7731 | TEST(MatcherPnMacroTest, | |
7732 | GeneratesCorretDescriptionWhenExplicitlyInstantiatedWithReferences) { | |
7733 | UncopyableFoo foo1('1'), foo2('2'); | |
7734 | const Matcher<const UncopyableFoo&> m = | |
7735 | ReferencesAnyOf<const UncopyableFoo&, const UncopyableFoo&>(foo1, foo2); | |
7736 | ||
7737 | // We don't want the addresses of the parameters printed, as most | |
7738 | // likely they will just annoy the user. If the addresses are | |
7739 | // interesting, the user should consider passing the parameters by | |
7740 | // pointers instead. | |
7741 | EXPECT_EQ("references any of (1-byte object <31>, 1-byte object <32>)", | |
7742 | Describe(m)); | |
7743 | } | |
7744 | ||
7745 | // Tests that a simple MATCHER_P2() definition works. | |
7746 | ||
7747 | MATCHER_P2(IsNotInClosedRange, low, hi, "") { return arg < low || arg > hi; } | |
7748 | ||
7749 | TEST(MatcherPnMacroTest, Works) { | |
7750 | const Matcher<const long&> m = IsNotInClosedRange(10, 20); // NOLINT | |
7751 | EXPECT_TRUE(m.Matches(36L)); | |
7752 | EXPECT_FALSE(m.Matches(15L)); | |
7753 | ||
7754 | EXPECT_EQ("is not in closed range (10, 20)", Describe(m)); | |
7755 | EXPECT_EQ("not (is not in closed range (10, 20))", DescribeNegation(m)); | |
7756 | EXPECT_EQ("", Explain(m, 36L)); | |
7757 | EXPECT_EQ("", Explain(m, 15L)); | |
7758 | } | |
7759 | ||
7760 | // Tests that MATCHER*() definitions can be overloaded on the number | |
7761 | // of parameters; also tests MATCHER_Pn() where n >= 3. | |
7762 | ||
7763 | MATCHER(EqualsSumOf, "") { return arg == 0; } | |
7764 | MATCHER_P(EqualsSumOf, a, "") { return arg == a; } | |
7765 | MATCHER_P2(EqualsSumOf, a, b, "") { return arg == a + b; } | |
7766 | MATCHER_P3(EqualsSumOf, a, b, c, "") { return arg == a + b + c; } | |
7767 | MATCHER_P4(EqualsSumOf, a, b, c, d, "") { return arg == a + b + c + d; } | |
7768 | MATCHER_P5(EqualsSumOf, a, b, c, d, e, "") { return arg == a + b + c + d + e; } | |
7769 | MATCHER_P6(EqualsSumOf, a, b, c, d, e, f, "") { | |
7770 | return arg == a + b + c + d + e + f; | |
7771 | } | |
7772 | MATCHER_P7(EqualsSumOf, a, b, c, d, e, f, g, "") { | |
7773 | return arg == a + b + c + d + e + f + g; | |
7774 | } | |
7775 | MATCHER_P8(EqualsSumOf, a, b, c, d, e, f, g, h, "") { | |
7776 | return arg == a + b + c + d + e + f + g + h; | |
7777 | } | |
7778 | MATCHER_P9(EqualsSumOf, a, b, c, d, e, f, g, h, i, "") { | |
7779 | return arg == a + b + c + d + e + f + g + h + i; | |
7780 | } | |
7781 | MATCHER_P10(EqualsSumOf, a, b, c, d, e, f, g, h, i, j, "") { | |
7782 | return arg == a + b + c + d + e + f + g + h + i + j; | |
7783 | } | |
7784 | ||
7785 | TEST(MatcherPnMacroTest, CanBeOverloadedOnNumberOfParameters) { | |
7786 | EXPECT_THAT(0, EqualsSumOf()); | |
7787 | EXPECT_THAT(1, EqualsSumOf(1)); | |
7788 | EXPECT_THAT(12, EqualsSumOf(10, 2)); | |
7789 | EXPECT_THAT(123, EqualsSumOf(100, 20, 3)); | |
7790 | EXPECT_THAT(1234, EqualsSumOf(1000, 200, 30, 4)); | |
7791 | EXPECT_THAT(12345, EqualsSumOf(10000, 2000, 300, 40, 5)); | |
7792 | EXPECT_THAT("abcdef", | |
7793 | EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f')); | |
7794 | EXPECT_THAT("abcdefg", | |
7795 | EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g')); | |
7796 | EXPECT_THAT("abcdefgh", EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", | |
7797 | 'f', 'g', "h")); | |
7798 | EXPECT_THAT("abcdefghi", EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", | |
7799 | 'f', 'g', "h", 'i')); | |
7800 | EXPECT_THAT("abcdefghij", | |
7801 | EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g', "h", | |
7802 | 'i', ::std::string("j"))); | |
7803 | ||
7804 | EXPECT_THAT(1, Not(EqualsSumOf())); | |
7805 | EXPECT_THAT(-1, Not(EqualsSumOf(1))); | |
7806 | EXPECT_THAT(-12, Not(EqualsSumOf(10, 2))); | |
7807 | EXPECT_THAT(-123, Not(EqualsSumOf(100, 20, 3))); | |
7808 | EXPECT_THAT(-1234, Not(EqualsSumOf(1000, 200, 30, 4))); | |
7809 | EXPECT_THAT(-12345, Not(EqualsSumOf(10000, 2000, 300, 40, 5))); | |
7810 | EXPECT_THAT("abcdef ", | |
7811 | Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f'))); | |
7812 | EXPECT_THAT("abcdefg ", Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", | |
7813 | "e", 'f', 'g'))); | |
7814 | EXPECT_THAT("abcdefgh ", Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", | |
7815 | "e", 'f', 'g', "h"))); | |
7816 | EXPECT_THAT("abcdefghi ", Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", | |
7817 | "e", 'f', 'g', "h", 'i'))); | |
7818 | EXPECT_THAT("abcdefghij ", | |
7819 | Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g', | |
7820 | "h", 'i', ::std::string("j")))); | |
7821 | } | |
7822 | ||
7823 | // Tests that a MATCHER_Pn() definition can be instantiated with any | |
7824 | // compatible parameter types. | |
7825 | TEST(MatcherPnMacroTest, WorksForDifferentParameterTypes) { | |
7826 | EXPECT_THAT(123, EqualsSumOf(100L, 20, static_cast<char>(3))); | |
7827 | EXPECT_THAT("abcd", EqualsSumOf(::std::string("a"), "b", 'c', "d")); | |
7828 | ||
7829 | EXPECT_THAT(124, Not(EqualsSumOf(100L, 20, static_cast<char>(3)))); | |
7830 | EXPECT_THAT("abcde", Not(EqualsSumOf(::std::string("a"), "b", 'c', "d"))); | |
7831 | } | |
7832 | ||
7833 | // Tests that the matcher body can promote the parameter types. | |
7834 | ||
7835 | MATCHER_P2(EqConcat, prefix, suffix, "") { | |
7836 | // The following lines promote the two parameters to desired types. | |
7837 | std::string prefix_str(prefix); | |
7838 | char suffix_char = static_cast<char>(suffix); | |
7839 | return arg == prefix_str + suffix_char; | |
7840 | } | |
7841 | ||
7842 | TEST(MatcherPnMacroTest, SimpleTypePromotion) { | |
7843 | Matcher<std::string> no_promo = EqConcat(std::string("foo"), 't'); | |
7844 | Matcher<const std::string&> promo = EqConcat("foo", static_cast<int>('t')); | |
7845 | EXPECT_FALSE(no_promo.Matches("fool")); | |
7846 | EXPECT_FALSE(promo.Matches("fool")); | |
7847 | EXPECT_TRUE(no_promo.Matches("foot")); | |
7848 | EXPECT_TRUE(promo.Matches("foot")); | |
7849 | } | |
7850 | ||
7851 | // Verifies the type of a MATCHER*. | |
7852 | ||
7853 | TEST(MatcherPnMacroTest, TypesAreCorrect) { | |
7854 | // EqualsSumOf() must be assignable to a EqualsSumOfMatcher variable. | |
7855 | EqualsSumOfMatcher a0 = EqualsSumOf(); | |
7856 | ||
7857 | // EqualsSumOf(1) must be assignable to a EqualsSumOfMatcherP variable. | |
7858 | EqualsSumOfMatcherP<int> a1 = EqualsSumOf(1); | |
7859 | ||
7860 | // EqualsSumOf(p1, ..., pk) must be assignable to a EqualsSumOfMatcherPk | |
7861 | // variable, and so on. | |
7862 | EqualsSumOfMatcherP2<int, char> a2 = EqualsSumOf(1, '2'); | |
7863 | EqualsSumOfMatcherP3<int, int, char> a3 = EqualsSumOf(1, 2, '3'); | |
7864 | EqualsSumOfMatcherP4<int, int, int, char> a4 = EqualsSumOf(1, 2, 3, '4'); | |
7865 | EqualsSumOfMatcherP5<int, int, int, int, char> a5 = | |
7866 | EqualsSumOf(1, 2, 3, 4, '5'); | |
7867 | EqualsSumOfMatcherP6<int, int, int, int, int, char> a6 = | |
7868 | EqualsSumOf(1, 2, 3, 4, 5, '6'); | |
7869 | EqualsSumOfMatcherP7<int, int, int, int, int, int, char> a7 = | |
7870 | EqualsSumOf(1, 2, 3, 4, 5, 6, '7'); | |
7871 | EqualsSumOfMatcherP8<int, int, int, int, int, int, int, char> a8 = | |
7872 | EqualsSumOf(1, 2, 3, 4, 5, 6, 7, '8'); | |
7873 | EqualsSumOfMatcherP9<int, int, int, int, int, int, int, int, char> a9 = | |
7874 | EqualsSumOf(1, 2, 3, 4, 5, 6, 7, 8, '9'); | |
7875 | EqualsSumOfMatcherP10<int, int, int, int, int, int, int, int, int, char> a10 = | |
7876 | EqualsSumOf(1, 2, 3, 4, 5, 6, 7, 8, 9, '0'); | |
7877 | ||
7878 | // Avoid "unused variable" warnings. | |
7879 | (void)a0; | |
7880 | (void)a1; | |
7881 | (void)a2; | |
7882 | (void)a3; | |
7883 | (void)a4; | |
7884 | (void)a5; | |
7885 | (void)a6; | |
7886 | (void)a7; | |
7887 | (void)a8; | |
7888 | (void)a9; | |
7889 | (void)a10; | |
7890 | } | |
7891 | ||
7892 | // Tests that matcher-typed parameters can be used in Value() inside a | |
7893 | // MATCHER_Pn definition. | |
7894 | ||
7895 | // Succeeds if arg matches exactly 2 of the 3 matchers. | |
7896 | MATCHER_P3(TwoOf, m1, m2, m3, "") { | |
7897 | const int count = static_cast<int>(Value(arg, m1)) + | |
7898 | static_cast<int>(Value(arg, m2)) + | |
7899 | static_cast<int>(Value(arg, m3)); | |
7900 | return count == 2; | |
7901 | } | |
7902 | ||
7903 | TEST(MatcherPnMacroTest, CanUseMatcherTypedParameterInValue) { | |
7904 | EXPECT_THAT(42, TwoOf(Gt(0), Lt(50), Eq(10))); | |
7905 | EXPECT_THAT(0, Not(TwoOf(Gt(-1), Lt(1), Eq(0)))); | |
7906 | } | |
7907 | ||
7908 | // Tests Contains(). | |
7909 | ||
7910 | TEST(ContainsTest, ListMatchesWhenElementIsInContainer) { | |
7911 | list<int> some_list; | |
7912 | some_list.push_back(3); | |
7913 | some_list.push_back(1); | |
7914 | some_list.push_back(2); | |
7915 | EXPECT_THAT(some_list, Contains(1)); | |
7916 | EXPECT_THAT(some_list, Contains(Gt(2.5))); | |
7917 | EXPECT_THAT(some_list, Contains(Eq(2.0f))); | |
7918 | ||
7919 | list<std::string> another_list; | |
7920 | another_list.push_back("fee"); | |
7921 | another_list.push_back("fie"); | |
7922 | another_list.push_back("foe"); | |
7923 | another_list.push_back("fum"); | |
7924 | EXPECT_THAT(another_list, Contains(std::string("fee"))); | |
7925 | } | |
7926 | ||
7927 | TEST(ContainsTest, ListDoesNotMatchWhenElementIsNotInContainer) { | |
7928 | list<int> some_list; | |
7929 | some_list.push_back(3); | |
7930 | some_list.push_back(1); | |
7931 | EXPECT_THAT(some_list, Not(Contains(4))); | |
7932 | } | |
7933 | ||
7934 | TEST(ContainsTest, SetMatchesWhenElementIsInContainer) { | |
7935 | set<int> some_set; | |
7936 | some_set.insert(3); | |
7937 | some_set.insert(1); | |
7938 | some_set.insert(2); | |
7939 | EXPECT_THAT(some_set, Contains(Eq(1.0))); | |
7940 | EXPECT_THAT(some_set, Contains(Eq(3.0f))); | |
7941 | EXPECT_THAT(some_set, Contains(2)); | |
7942 | ||
7943 | set<std::string> another_set; | |
7944 | another_set.insert("fee"); | |
7945 | another_set.insert("fie"); | |
7946 | another_set.insert("foe"); | |
7947 | another_set.insert("fum"); | |
7948 | EXPECT_THAT(another_set, Contains(Eq(std::string("fum")))); | |
7949 | } | |
7950 | ||
7951 | TEST(ContainsTest, SetDoesNotMatchWhenElementIsNotInContainer) { | |
7952 | set<int> some_set; | |
7953 | some_set.insert(3); | |
7954 | some_set.insert(1); | |
7955 | EXPECT_THAT(some_set, Not(Contains(4))); | |
7956 | ||
7957 | set<std::string> c_string_set; | |
7958 | c_string_set.insert("hello"); | |
7959 | EXPECT_THAT(c_string_set, Not(Contains(std::string("goodbye")))); | |
7960 | } | |
7961 | ||
7962 | TEST(ContainsTest, ExplainsMatchResultCorrectly) { | |
7963 | const int a[2] = {1, 2}; | |
7964 | Matcher<const int(&)[2]> m = Contains(2); | |
7965 | EXPECT_EQ("whose element #1 matches", Explain(m, a)); | |
7966 | ||
7967 | m = Contains(3); | |
7968 | EXPECT_EQ("", Explain(m, a)); | |
7969 | ||
7970 | m = Contains(GreaterThan(0)); | |
7971 | EXPECT_EQ("whose element #0 matches, which is 1 more than 0", Explain(m, a)); | |
7972 | ||
7973 | m = Contains(GreaterThan(10)); | |
7974 | EXPECT_EQ("", Explain(m, a)); | |
7975 | } | |
7976 | ||
7977 | TEST(ContainsTest, DescribesItselfCorrectly) { | |
7978 | Matcher<vector<int>> m = Contains(1); | |
7979 | EXPECT_EQ("contains at least one element that is equal to 1", Describe(m)); | |
7980 | ||
7981 | Matcher<vector<int>> m2 = Not(m); | |
7982 | EXPECT_EQ("doesn't contain any element that is equal to 1", Describe(m2)); | |
7983 | } | |
7984 | ||
7985 | TEST(ContainsTest, MapMatchesWhenElementIsInContainer) { | |
7986 | map<std::string, int> my_map; | |
7987 | const char* bar = "a string"; | |
7988 | my_map[bar] = 2; | |
7989 | EXPECT_THAT(my_map, Contains(pair<const char* const, int>(bar, 2))); | |
7990 | ||
7991 | map<std::string, int> another_map; | |
7992 | another_map["fee"] = 1; | |
7993 | another_map["fie"] = 2; | |
7994 | another_map["foe"] = 3; | |
7995 | another_map["fum"] = 4; | |
7996 | EXPECT_THAT(another_map, | |
7997 | Contains(pair<const std::string, int>(std::string("fee"), 1))); | |
7998 | EXPECT_THAT(another_map, Contains(pair<const std::string, int>("fie", 2))); | |
7999 | } | |
8000 | ||
8001 | TEST(ContainsTest, MapDoesNotMatchWhenElementIsNotInContainer) { | |
8002 | map<int, int> some_map; | |
8003 | some_map[1] = 11; | |
8004 | some_map[2] = 22; | |
8005 | EXPECT_THAT(some_map, Not(Contains(pair<const int, int>(2, 23)))); | |
8006 | } | |
8007 | ||
8008 | TEST(ContainsTest, ArrayMatchesWhenElementIsInContainer) { | |
8009 | const char* string_array[] = {"fee", "fie", "foe", "fum"}; | |
8010 | EXPECT_THAT(string_array, Contains(Eq(std::string("fum")))); | |
8011 | } | |
8012 | ||
8013 | TEST(ContainsTest, ArrayDoesNotMatchWhenElementIsNotInContainer) { | |
8014 | int int_array[] = {1, 2, 3, 4}; | |
8015 | EXPECT_THAT(int_array, Not(Contains(5))); | |
8016 | } | |
8017 | ||
8018 | TEST(ContainsTest, AcceptsMatcher) { | |
8019 | const int a[] = {1, 2, 3}; | |
8020 | EXPECT_THAT(a, Contains(Gt(2))); | |
8021 | EXPECT_THAT(a, Not(Contains(Gt(4)))); | |
8022 | } | |
8023 | ||
8024 | TEST(ContainsTest, WorksForNativeArrayAsTuple) { | |
8025 | const int a[] = {1, 2}; | |
8026 | const int* const pointer = a; | |
8027 | EXPECT_THAT(std::make_tuple(pointer, 2), Contains(1)); | |
8028 | EXPECT_THAT(std::make_tuple(pointer, 2), Not(Contains(Gt(3)))); | |
8029 | } | |
8030 | ||
8031 | TEST(ContainsTest, WorksForTwoDimensionalNativeArray) { | |
8032 | int a[][3] = {{1, 2, 3}, {4, 5, 6}}; | |
8033 | EXPECT_THAT(a, Contains(ElementsAre(4, 5, 6))); | |
8034 | EXPECT_THAT(a, Contains(Contains(5))); | |
8035 | EXPECT_THAT(a, Not(Contains(ElementsAre(3, 4, 5)))); | |
8036 | EXPECT_THAT(a, Contains(Not(Contains(5)))); | |
8037 | } | |
8038 | ||
8039 | TEST(AllOfArrayTest, BasicForms) { | |
8040 | // Iterator | |
8041 | std::vector<int> v0{}; | |
8042 | std::vector<int> v1{1}; | |
8043 | std::vector<int> v2{2, 3}; | |
8044 | std::vector<int> v3{4, 4, 4}; | |
8045 | EXPECT_THAT(0, AllOfArray(v0.begin(), v0.end())); | |
8046 | EXPECT_THAT(1, AllOfArray(v1.begin(), v1.end())); | |
8047 | EXPECT_THAT(2, Not(AllOfArray(v1.begin(), v1.end()))); | |
8048 | EXPECT_THAT(3, Not(AllOfArray(v2.begin(), v2.end()))); | |
8049 | EXPECT_THAT(4, AllOfArray(v3.begin(), v3.end())); | |
8050 | // Pointer + size | |
8051 | int ar[6] = {1, 2, 3, 4, 4, 4}; | |
8052 | EXPECT_THAT(0, AllOfArray(ar, 0)); | |
8053 | EXPECT_THAT(1, AllOfArray(ar, 1)); | |
8054 | EXPECT_THAT(2, Not(AllOfArray(ar, 1))); | |
8055 | EXPECT_THAT(3, Not(AllOfArray(ar + 1, 3))); | |
8056 | EXPECT_THAT(4, AllOfArray(ar + 3, 3)); | |
8057 | // Array | |
8058 | // int ar0[0]; Not usable | |
8059 | int ar1[1] = {1}; | |
8060 | int ar2[2] = {2, 3}; | |
8061 | int ar3[3] = {4, 4, 4}; | |
8062 | // EXPECT_THAT(0, Not(AllOfArray(ar0))); // Cannot work | |
8063 | EXPECT_THAT(1, AllOfArray(ar1)); | |
8064 | EXPECT_THAT(2, Not(AllOfArray(ar1))); | |
8065 | EXPECT_THAT(3, Not(AllOfArray(ar2))); | |
8066 | EXPECT_THAT(4, AllOfArray(ar3)); | |
8067 | // Container | |
8068 | EXPECT_THAT(0, AllOfArray(v0)); | |
8069 | EXPECT_THAT(1, AllOfArray(v1)); | |
8070 | EXPECT_THAT(2, Not(AllOfArray(v1))); | |
8071 | EXPECT_THAT(3, Not(AllOfArray(v2))); | |
8072 | EXPECT_THAT(4, AllOfArray(v3)); | |
8073 | // Initializer | |
8074 | EXPECT_THAT(0, AllOfArray<int>({})); // Requires template arg. | |
8075 | EXPECT_THAT(1, AllOfArray({1})); | |
8076 | EXPECT_THAT(2, Not(AllOfArray({1}))); | |
8077 | EXPECT_THAT(3, Not(AllOfArray({2, 3}))); | |
8078 | EXPECT_THAT(4, AllOfArray({4, 4, 4})); | |
8079 | } | |
8080 | ||
8081 | TEST(AllOfArrayTest, Matchers) { | |
8082 | // vector | |
8083 | std::vector<Matcher<int>> matchers{Ge(1), Lt(2)}; | |
8084 | EXPECT_THAT(0, Not(AllOfArray(matchers))); | |
8085 | EXPECT_THAT(1, AllOfArray(matchers)); | |
8086 | EXPECT_THAT(2, Not(AllOfArray(matchers))); | |
8087 | // initializer_list | |
8088 | EXPECT_THAT(0, Not(AllOfArray({Ge(0), Ge(1)}))); | |
8089 | EXPECT_THAT(1, AllOfArray({Ge(0), Ge(1)})); | |
8090 | } | |
8091 | ||
8092 | TEST(AnyOfArrayTest, BasicForms) { | |
8093 | // Iterator | |
8094 | std::vector<int> v0{}; | |
8095 | std::vector<int> v1{1}; | |
8096 | std::vector<int> v2{2, 3}; | |
8097 | EXPECT_THAT(0, Not(AnyOfArray(v0.begin(), v0.end()))); | |
8098 | EXPECT_THAT(1, AnyOfArray(v1.begin(), v1.end())); | |
8099 | EXPECT_THAT(2, Not(AnyOfArray(v1.begin(), v1.end()))); | |
8100 | EXPECT_THAT(3, AnyOfArray(v2.begin(), v2.end())); | |
8101 | EXPECT_THAT(4, Not(AnyOfArray(v2.begin(), v2.end()))); | |
8102 | // Pointer + size | |
8103 | int ar[3] = {1, 2, 3}; | |
8104 | EXPECT_THAT(0, Not(AnyOfArray(ar, 0))); | |
8105 | EXPECT_THAT(1, AnyOfArray(ar, 1)); | |
8106 | EXPECT_THAT(2, Not(AnyOfArray(ar, 1))); | |
8107 | EXPECT_THAT(3, AnyOfArray(ar + 1, 2)); | |
8108 | EXPECT_THAT(4, Not(AnyOfArray(ar + 1, 2))); | |
8109 | // Array | |
8110 | // int ar0[0]; Not usable | |
8111 | int ar1[1] = {1}; | |
8112 | int ar2[2] = {2, 3}; | |
8113 | // EXPECT_THAT(0, Not(AnyOfArray(ar0))); // Cannot work | |
8114 | EXPECT_THAT(1, AnyOfArray(ar1)); | |
8115 | EXPECT_THAT(2, Not(AnyOfArray(ar1))); | |
8116 | EXPECT_THAT(3, AnyOfArray(ar2)); | |
8117 | EXPECT_THAT(4, Not(AnyOfArray(ar2))); | |
8118 | // Container | |
8119 | EXPECT_THAT(0, Not(AnyOfArray(v0))); | |
8120 | EXPECT_THAT(1, AnyOfArray(v1)); | |
8121 | EXPECT_THAT(2, Not(AnyOfArray(v1))); | |
8122 | EXPECT_THAT(3, AnyOfArray(v2)); | |
8123 | EXPECT_THAT(4, Not(AnyOfArray(v2))); | |
8124 | // Initializer | |
8125 | EXPECT_THAT(0, Not(AnyOfArray<int>({}))); // Requires template arg. | |
8126 | EXPECT_THAT(1, AnyOfArray({1})); | |
8127 | EXPECT_THAT(2, Not(AnyOfArray({1}))); | |
8128 | EXPECT_THAT(3, AnyOfArray({2, 3})); | |
8129 | EXPECT_THAT(4, Not(AnyOfArray({2, 3}))); | |
8130 | } | |
8131 | ||
8132 | TEST(AnyOfArrayTest, Matchers) { | |
8133 | // We negate test AllOfArrayTest.Matchers. | |
8134 | // vector | |
8135 | std::vector<Matcher<int>> matchers{Lt(1), Ge(2)}; | |
8136 | EXPECT_THAT(0, AnyOfArray(matchers)); | |
8137 | EXPECT_THAT(1, Not(AnyOfArray(matchers))); | |
8138 | EXPECT_THAT(2, AnyOfArray(matchers)); | |
8139 | // initializer_list | |
8140 | EXPECT_THAT(0, AnyOfArray({Lt(0), Lt(1)})); | |
8141 | EXPECT_THAT(1, Not(AllOfArray({Lt(0), Lt(1)}))); | |
8142 | } | |
8143 | ||
8144 | TEST(AnyOfArrayTest, ExplainsMatchResultCorrectly) { | |
8145 | // AnyOfArray and AllOfArry use the same underlying template-template, | |
8146 | // thus it is sufficient to test one here. | |
8147 | const std::vector<int> v0{}; | |
8148 | const std::vector<int> v1{1}; | |
8149 | const std::vector<int> v2{2, 3}; | |
8150 | const Matcher<int> m0 = AnyOfArray(v0); | |
8151 | const Matcher<int> m1 = AnyOfArray(v1); | |
8152 | const Matcher<int> m2 = AnyOfArray(v2); | |
8153 | EXPECT_EQ("", Explain(m0, 0)); | |
8154 | EXPECT_EQ("", Explain(m1, 1)); | |
8155 | EXPECT_EQ("", Explain(m1, 2)); | |
8156 | EXPECT_EQ("", Explain(m2, 3)); | |
8157 | EXPECT_EQ("", Explain(m2, 4)); | |
8158 | EXPECT_EQ("()", Describe(m0)); | |
8159 | EXPECT_EQ("(is equal to 1)", Describe(m1)); | |
8160 | EXPECT_EQ("(is equal to 2) or (is equal to 3)", Describe(m2)); | |
8161 | EXPECT_EQ("()", DescribeNegation(m0)); | |
8162 | EXPECT_EQ("(isn't equal to 1)", DescribeNegation(m1)); | |
8163 | EXPECT_EQ("(isn't equal to 2) and (isn't equal to 3)", DescribeNegation(m2)); | |
8164 | // Explain with matchers | |
8165 | const Matcher<int> g1 = AnyOfArray({GreaterThan(1)}); | |
8166 | const Matcher<int> g2 = AnyOfArray({GreaterThan(1), GreaterThan(2)}); | |
8167 | // Explains the first positiv match and all prior negative matches... | |
8168 | EXPECT_EQ("which is 1 less than 1", Explain(g1, 0)); | |
8169 | EXPECT_EQ("which is the same as 1", Explain(g1, 1)); | |
8170 | EXPECT_EQ("which is 1 more than 1", Explain(g1, 2)); | |
8171 | EXPECT_EQ("which is 1 less than 1, and which is 2 less than 2", | |
8172 | Explain(g2, 0)); | |
8173 | EXPECT_EQ("which is the same as 1, and which is 1 less than 2", | |
8174 | Explain(g2, 1)); | |
8175 | EXPECT_EQ("which is 1 more than 1", // Only the first | |
8176 | Explain(g2, 2)); | |
8177 | } | |
8178 | ||
8179 | TEST(AllOfTest, HugeMatcher) { | |
8180 | // Verify that using AllOf with many arguments doesn't cause | |
8181 | // the compiler to exceed template instantiation depth limit. | |
8182 | EXPECT_THAT(0, testing::AllOf(_, _, _, _, _, _, _, _, _, | |
8183 | testing::AllOf(_, _, _, _, _, _, _, _, _, _))); | |
8184 | } | |
8185 | ||
8186 | TEST(AnyOfTest, HugeMatcher) { | |
8187 | // Verify that using AnyOf with many arguments doesn't cause | |
8188 | // the compiler to exceed template instantiation depth limit. | |
8189 | EXPECT_THAT(0, testing::AnyOf(_, _, _, _, _, _, _, _, _, | |
8190 | testing::AnyOf(_, _, _, _, _, _, _, _, _, _))); | |
8191 | } | |
8192 | ||
8193 | namespace adl_test { | |
8194 | ||
8195 | // Verifies that the implementation of ::testing::AllOf and ::testing::AnyOf | |
8196 | // don't issue unqualified recursive calls. If they do, the argument dependent | |
8197 | // name lookup will cause AllOf/AnyOf in the 'adl_test' namespace to be found | |
8198 | // as a candidate and the compilation will break due to an ambiguous overload. | |
8199 | ||
8200 | // The matcher must be in the same namespace as AllOf/AnyOf to make argument | |
8201 | // dependent lookup find those. | |
8202 | MATCHER(M, "") { | |
8203 | (void)arg; | |
8204 | return true; | |
8205 | } | |
8206 | ||
8207 | template <typename T1, typename T2> | |
8208 | bool AllOf(const T1& /*t1*/, const T2& /*t2*/) { | |
8209 | return true; | |
8210 | } | |
8211 | ||
8212 | TEST(AllOfTest, DoesNotCallAllOfUnqualified) { | |
8213 | EXPECT_THAT(42, | |
8214 | testing::AllOf(M(), M(), M(), M(), M(), M(), M(), M(), M(), M())); | |
8215 | } | |
8216 | ||
8217 | template <typename T1, typename T2> | |
8218 | bool AnyOf(const T1&, const T2&) { | |
8219 | return true; | |
8220 | } | |
8221 | ||
8222 | TEST(AnyOfTest, DoesNotCallAnyOfUnqualified) { | |
8223 | EXPECT_THAT(42, | |
8224 | testing::AnyOf(M(), M(), M(), M(), M(), M(), M(), M(), M(), M())); | |
8225 | } | |
8226 | ||
8227 | } // namespace adl_test | |
8228 | ||
8229 | TEST(AllOfTest, WorksOnMoveOnlyType) { | |
8230 | std::unique_ptr<int> p(new int(3)); | |
8231 | EXPECT_THAT(p, AllOf(Pointee(Eq(3)), Pointee(Gt(0)), Pointee(Lt(5)))); | |
8232 | EXPECT_THAT(p, Not(AllOf(Pointee(Eq(3)), Pointee(Gt(0)), Pointee(Lt(3))))); | |
8233 | } | |
8234 | ||
8235 | TEST(AnyOfTest, WorksOnMoveOnlyType) { | |
8236 | std::unique_ptr<int> p(new int(3)); | |
8237 | EXPECT_THAT(p, AnyOf(Pointee(Eq(5)), Pointee(Lt(0)), Pointee(Lt(5)))); | |
8238 | EXPECT_THAT(p, Not(AnyOf(Pointee(Eq(5)), Pointee(Lt(0)), Pointee(Gt(5))))); | |
8239 | } | |
8240 | ||
8241 | MATCHER(IsNotNull, "") { return arg != nullptr; } | |
8242 | ||
8243 | // Verifies that a matcher defined using MATCHER() can work on | |
8244 | // move-only types. | |
8245 | TEST(MatcherMacroTest, WorksOnMoveOnlyType) { | |
8246 | std::unique_ptr<int> p(new int(3)); | |
8247 | EXPECT_THAT(p, IsNotNull()); | |
8248 | EXPECT_THAT(std::unique_ptr<int>(), Not(IsNotNull())); | |
8249 | } | |
8250 | ||
8251 | MATCHER_P(UniquePointee, pointee, "") { return *arg == pointee; } | |
8252 | ||
8253 | // Verifies that a matcher defined using MATCHER_P*() can work on | |
8254 | // move-only types. | |
8255 | TEST(MatcherPMacroTest, WorksOnMoveOnlyType) { | |
8256 | std::unique_ptr<int> p(new int(3)); | |
8257 | EXPECT_THAT(p, UniquePointee(3)); | |
8258 | EXPECT_THAT(p, Not(UniquePointee(2))); | |
8259 | } | |
8260 | ||
8261 | #if GTEST_HAS_EXCEPTIONS | |
8262 | ||
8263 | // std::function<void()> is used below for compatibility with older copies of | |
8264 | // GCC. Normally, a raw lambda is all that is needed. | |
8265 | ||
8266 | // Test that examples from documentation compile | |
8267 | TEST(ThrowsTest, Examples) { | |
8268 | EXPECT_THAT( | |
8269 | std::function<void()>([]() { throw std::runtime_error("message"); }), | |
8270 | Throws<std::runtime_error>()); | |
8271 | ||
8272 | EXPECT_THAT( | |
8273 | std::function<void()>([]() { throw std::runtime_error("message"); }), | |
8274 | ThrowsMessage<std::runtime_error>(HasSubstr("message"))); | |
8275 | } | |
8276 | ||
8277 | TEST(ThrowsTest, DoesNotGenerateDuplicateCatchClauseWarning) { | |
8278 | EXPECT_THAT(std::function<void()>([]() { throw std::exception(); }), | |
8279 | Throws<std::exception>()); | |
8280 | } | |
8281 | ||
8282 | TEST(ThrowsTest, CallableExecutedExactlyOnce) { | |
8283 | size_t a = 0; | |
8284 | ||
8285 | EXPECT_THAT(std::function<void()>([&a]() { | |
8286 | a++; | |
8287 | throw 10; | |
8288 | }), | |
8289 | Throws<int>()); | |
8290 | EXPECT_EQ(a, 1u); | |
8291 | ||
8292 | EXPECT_THAT(std::function<void()>([&a]() { | |
8293 | a++; | |
8294 | throw std::runtime_error("message"); | |
8295 | }), | |
8296 | Throws<std::runtime_error>()); | |
8297 | EXPECT_EQ(a, 2u); | |
8298 | ||
8299 | EXPECT_THAT(std::function<void()>([&a]() { | |
8300 | a++; | |
8301 | throw std::runtime_error("message"); | |
8302 | }), | |
8303 | ThrowsMessage<std::runtime_error>(HasSubstr("message"))); | |
8304 | EXPECT_EQ(a, 3u); | |
8305 | ||
8306 | EXPECT_THAT(std::function<void()>([&a]() { | |
8307 | a++; | |
8308 | throw std::runtime_error("message"); | |
8309 | }), | |
8310 | Throws<std::runtime_error>( | |
8311 | Property(&std::runtime_error::what, HasSubstr("message")))); | |
8312 | EXPECT_EQ(a, 4u); | |
8313 | } | |
8314 | ||
8315 | TEST(ThrowsTest, Describe) { | |
8316 | Matcher<std::function<void()>> matcher = Throws<std::runtime_error>(); | |
8317 | std::stringstream ss; | |
8318 | matcher.DescribeTo(&ss); | |
8319 | auto explanation = ss.str(); | |
8320 | EXPECT_THAT(explanation, HasSubstr("std::runtime_error")); | |
8321 | } | |
8322 | ||
8323 | TEST(ThrowsTest, Success) { | |
8324 | Matcher<std::function<void()>> matcher = Throws<std::runtime_error>(); | |
8325 | StringMatchResultListener listener; | |
8326 | EXPECT_TRUE(matcher.MatchAndExplain( | |
8327 | []() { throw std::runtime_error("error message"); }, &listener)); | |
8328 | EXPECT_THAT(listener.str(), HasSubstr("std::runtime_error")); | |
8329 | } | |
8330 | ||
8331 | TEST(ThrowsTest, FailWrongType) { | |
8332 | Matcher<std::function<void()>> matcher = Throws<std::runtime_error>(); | |
8333 | StringMatchResultListener listener; | |
8334 | EXPECT_FALSE(matcher.MatchAndExplain( | |
8335 | []() { throw std::logic_error("error message"); }, &listener)); | |
8336 | EXPECT_THAT(listener.str(), HasSubstr("std::logic_error")); | |
8337 | EXPECT_THAT(listener.str(), HasSubstr("\"error message\"")); | |
8338 | } | |
8339 | ||
8340 | TEST(ThrowsTest, FailWrongTypeNonStd) { | |
8341 | Matcher<std::function<void()>> matcher = Throws<std::runtime_error>(); | |
8342 | StringMatchResultListener listener; | |
8343 | EXPECT_FALSE(matcher.MatchAndExplain([]() { throw 10; }, &listener)); | |
8344 | EXPECT_THAT(listener.str(), | |
8345 | HasSubstr("throws an exception of an unknown type")); | |
8346 | } | |
8347 | ||
8348 | TEST(ThrowsTest, FailNoThrow) { | |
8349 | Matcher<std::function<void()>> matcher = Throws<std::runtime_error>(); | |
8350 | StringMatchResultListener listener; | |
8351 | EXPECT_FALSE(matcher.MatchAndExplain([]() { (void)0; }, &listener)); | |
8352 | EXPECT_THAT(listener.str(), HasSubstr("does not throw any exception")); | |
8353 | } | |
8354 | ||
8355 | class ThrowsPredicateTest | |
8356 | : public TestWithParam<Matcher<std::function<void()>>> {}; | |
8357 | ||
8358 | TEST_P(ThrowsPredicateTest, Describe) { | |
8359 | Matcher<std::function<void()>> matcher = GetParam(); | |
8360 | std::stringstream ss; | |
8361 | matcher.DescribeTo(&ss); | |
8362 | auto explanation = ss.str(); | |
8363 | EXPECT_THAT(explanation, HasSubstr("std::runtime_error")); | |
8364 | EXPECT_THAT(explanation, HasSubstr("error message")); | |
8365 | } | |
8366 | ||
8367 | TEST_P(ThrowsPredicateTest, Success) { | |
8368 | Matcher<std::function<void()>> matcher = GetParam(); | |
8369 | StringMatchResultListener listener; | |
8370 | EXPECT_TRUE(matcher.MatchAndExplain( | |
8371 | []() { throw std::runtime_error("error message"); }, &listener)); | |
8372 | EXPECT_THAT(listener.str(), HasSubstr("std::runtime_error")); | |
8373 | } | |
8374 | ||
8375 | TEST_P(ThrowsPredicateTest, FailWrongType) { | |
8376 | Matcher<std::function<void()>> matcher = GetParam(); | |
8377 | StringMatchResultListener listener; | |
8378 | EXPECT_FALSE(matcher.MatchAndExplain( | |
8379 | []() { throw std::logic_error("error message"); }, &listener)); | |
8380 | EXPECT_THAT(listener.str(), HasSubstr("std::logic_error")); | |
8381 | EXPECT_THAT(listener.str(), HasSubstr("\"error message\"")); | |
8382 | } | |
8383 | ||
8384 | TEST_P(ThrowsPredicateTest, FailWrongTypeNonStd) { | |
8385 | Matcher<std::function<void()>> matcher = GetParam(); | |
8386 | StringMatchResultListener listener; | |
8387 | EXPECT_FALSE(matcher.MatchAndExplain([]() { throw 10; }, &listener)); | |
8388 | EXPECT_THAT(listener.str(), | |
8389 | HasSubstr("throws an exception of an unknown type")); | |
8390 | } | |
8391 | ||
8392 | TEST_P(ThrowsPredicateTest, FailWrongMessage) { | |
8393 | Matcher<std::function<void()>> matcher = GetParam(); | |
8394 | StringMatchResultListener listener; | |
8395 | EXPECT_FALSE(matcher.MatchAndExplain( | |
8396 | []() { throw std::runtime_error("wrong message"); }, &listener)); | |
8397 | EXPECT_THAT(listener.str(), HasSubstr("std::runtime_error")); | |
8398 | EXPECT_THAT(listener.str(), Not(HasSubstr("wrong message"))); | |
8399 | } | |
8400 | ||
8401 | TEST_P(ThrowsPredicateTest, FailNoThrow) { | |
8402 | Matcher<std::function<void()>> matcher = GetParam(); | |
8403 | StringMatchResultListener listener; | |
8404 | EXPECT_FALSE(matcher.MatchAndExplain([]() {}, &listener)); | |
8405 | EXPECT_THAT(listener.str(), HasSubstr("does not throw any exception")); | |
8406 | } | |
8407 | ||
8408 | INSTANTIATE_TEST_SUITE_P( | |
8409 | AllMessagePredicates, ThrowsPredicateTest, | |
8410 | Values(Matcher<std::function<void()>>( | |
8411 | ThrowsMessage<std::runtime_error>(HasSubstr("error message"))))); | |
8412 | ||
8413 | // Tests that Throws<E1>(Matcher<E2>{}) compiles even when E2 != const E1&. | |
8414 | TEST(ThrowsPredicateCompilesTest, ExceptionMatcherAcceptsBroadType) { | |
8415 | { | |
8416 | Matcher<std::function<void()>> matcher = | |
8417 | ThrowsMessage<std::runtime_error>(HasSubstr("error message")); | |
8418 | EXPECT_TRUE( | |
8419 | matcher.Matches([]() { throw std::runtime_error("error message"); })); | |
8420 | EXPECT_FALSE( | |
8421 | matcher.Matches([]() { throw std::runtime_error("wrong message"); })); | |
8422 | } | |
8423 | ||
8424 | { | |
8425 | Matcher<uint64_t> inner = Eq(10); | |
8426 | Matcher<std::function<void()>> matcher = Throws<uint32_t>(inner); | |
8427 | EXPECT_TRUE(matcher.Matches([]() { throw(uint32_t) 10; })); | |
8428 | EXPECT_FALSE(matcher.Matches([]() { throw(uint32_t) 11; })); | |
8429 | } | |
8430 | } | |
8431 | ||
8432 | // Tests that ThrowsMessage("message") is equivalent | |
8433 | // to ThrowsMessage(Eq<std::string>("message")). | |
8434 | TEST(ThrowsPredicateCompilesTest, MessageMatcherAcceptsNonMatcher) { | |
8435 | Matcher<std::function<void()>> matcher = | |
8436 | ThrowsMessage<std::runtime_error>("error message"); | |
8437 | EXPECT_TRUE( | |
8438 | matcher.Matches([]() { throw std::runtime_error("error message"); })); | |
8439 | EXPECT_FALSE(matcher.Matches( | |
8440 | []() { throw std::runtime_error("wrong error message"); })); | |
8441 | } | |
8442 | ||
8443 | #endif // GTEST_HAS_EXCEPTIONS | |
8444 | ||
8445 | } // namespace | |
8446 | } // namespace gmock_matchers_test | |
8447 | } // namespace testing | |
8448 | ||
8449 | #ifdef _MSC_VER | |
8450 | # pragma warning(pop) | |
8451 | #endif |