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1 | // Copyright 2008, 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. | |
9f95a23c | 29 | |
7c673cae FG |
30 | |
31 | // Tests Google Mock's output in various scenarios. This ensures that | |
32 | // Google Mock's messages are readable and useful. | |
33 | ||
34 | #include "gmock/gmock.h" | |
35 | ||
36 | #include <stdio.h> | |
37 | #include <string> | |
38 | ||
39 | #include "gtest/gtest.h" | |
40 | ||
9f95a23c TL |
41 | // Silence C4100 (unreferenced formal parameter) |
42 | #ifdef _MSC_VER | |
43 | # pragma warning(push) | |
44 | # pragma warning(disable:4100) | |
45 | #endif | |
46 | ||
7c673cae FG |
47 | using testing::_; |
48 | using testing::AnyNumber; | |
49 | using testing::Ge; | |
50 | using testing::InSequence; | |
51 | using testing::NaggyMock; | |
52 | using testing::Ref; | |
53 | using testing::Return; | |
54 | using testing::Sequence; | |
9f95a23c | 55 | using testing::Value; |
7c673cae FG |
56 | |
57 | class MockFoo { | |
58 | public: | |
59 | MockFoo() {} | |
60 | ||
61 | MOCK_METHOD3(Bar, char(const std::string& s, int i, double x)); | |
62 | MOCK_METHOD2(Bar2, bool(int x, int y)); | |
63 | MOCK_METHOD2(Bar3, void(int x, int y)); | |
64 | ||
65 | private: | |
66 | GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo); | |
67 | }; | |
68 | ||
69 | class GMockOutputTest : public testing::Test { | |
70 | protected: | |
71 | NaggyMock<MockFoo> foo_; | |
72 | }; | |
73 | ||
74 | TEST_F(GMockOutputTest, ExpectedCall) { | |
75 | testing::GMOCK_FLAG(verbose) = "info"; | |
76 | ||
77 | EXPECT_CALL(foo_, Bar2(0, _)); | |
78 | foo_.Bar2(0, 0); // Expected call | |
79 | ||
80 | testing::GMOCK_FLAG(verbose) = "warning"; | |
81 | } | |
82 | ||
83 | TEST_F(GMockOutputTest, ExpectedCallToVoidFunction) { | |
84 | testing::GMOCK_FLAG(verbose) = "info"; | |
85 | ||
86 | EXPECT_CALL(foo_, Bar3(0, _)); | |
87 | foo_.Bar3(0, 0); // Expected call | |
88 | ||
89 | testing::GMOCK_FLAG(verbose) = "warning"; | |
90 | } | |
91 | ||
92 | TEST_F(GMockOutputTest, ExplicitActionsRunOut) { | |
93 | EXPECT_CALL(foo_, Bar2(_, _)) | |
94 | .Times(2) | |
95 | .WillOnce(Return(false)); | |
96 | foo_.Bar2(2, 2); | |
97 | foo_.Bar2(1, 1); // Explicit actions in EXPECT_CALL run out. | |
98 | } | |
99 | ||
100 | TEST_F(GMockOutputTest, UnexpectedCall) { | |
101 | EXPECT_CALL(foo_, Bar2(0, _)); | |
102 | ||
103 | foo_.Bar2(1, 0); // Unexpected call | |
104 | foo_.Bar2(0, 0); // Expected call | |
105 | } | |
106 | ||
107 | TEST_F(GMockOutputTest, UnexpectedCallToVoidFunction) { | |
108 | EXPECT_CALL(foo_, Bar3(0, _)); | |
109 | ||
110 | foo_.Bar3(1, 0); // Unexpected call | |
111 | foo_.Bar3(0, 0); // Expected call | |
112 | } | |
113 | ||
114 | TEST_F(GMockOutputTest, ExcessiveCall) { | |
115 | EXPECT_CALL(foo_, Bar2(0, _)); | |
116 | ||
117 | foo_.Bar2(0, 0); // Expected call | |
118 | foo_.Bar2(0, 1); // Excessive call | |
119 | } | |
120 | ||
121 | TEST_F(GMockOutputTest, ExcessiveCallToVoidFunction) { | |
122 | EXPECT_CALL(foo_, Bar3(0, _)); | |
123 | ||
124 | foo_.Bar3(0, 0); // Expected call | |
125 | foo_.Bar3(0, 1); // Excessive call | |
126 | } | |
127 | ||
128 | TEST_F(GMockOutputTest, UninterestingCall) { | |
129 | foo_.Bar2(0, 1); // Uninteresting call | |
130 | } | |
131 | ||
132 | TEST_F(GMockOutputTest, UninterestingCallToVoidFunction) { | |
133 | foo_.Bar3(0, 1); // Uninteresting call | |
134 | } | |
135 | ||
136 | TEST_F(GMockOutputTest, RetiredExpectation) { | |
137 | EXPECT_CALL(foo_, Bar2(_, _)) | |
138 | .RetiresOnSaturation(); | |
139 | EXPECT_CALL(foo_, Bar2(0, 0)); | |
140 | ||
141 | foo_.Bar2(1, 1); | |
142 | foo_.Bar2(1, 1); // Matches a retired expectation | |
143 | foo_.Bar2(0, 0); | |
144 | } | |
145 | ||
146 | TEST_F(GMockOutputTest, UnsatisfiedPrerequisite) { | |
147 | { | |
148 | InSequence s; | |
149 | EXPECT_CALL(foo_, Bar(_, 0, _)); | |
150 | EXPECT_CALL(foo_, Bar2(0, 0)); | |
151 | EXPECT_CALL(foo_, Bar2(1, _)); | |
152 | } | |
153 | ||
154 | foo_.Bar2(1, 0); // Has one immediate unsatisfied pre-requisite | |
155 | foo_.Bar("Hi", 0, 0); | |
156 | foo_.Bar2(0, 0); | |
157 | foo_.Bar2(1, 0); | |
158 | } | |
159 | ||
160 | TEST_F(GMockOutputTest, UnsatisfiedPrerequisites) { | |
161 | Sequence s1, s2; | |
162 | ||
163 | EXPECT_CALL(foo_, Bar(_, 0, _)) | |
164 | .InSequence(s1); | |
165 | EXPECT_CALL(foo_, Bar2(0, 0)) | |
166 | .InSequence(s2); | |
167 | EXPECT_CALL(foo_, Bar2(1, _)) | |
168 | .InSequence(s1, s2); | |
169 | ||
170 | foo_.Bar2(1, 0); // Has two immediate unsatisfied pre-requisites | |
171 | foo_.Bar("Hi", 0, 0); | |
172 | foo_.Bar2(0, 0); | |
173 | foo_.Bar2(1, 0); | |
174 | } | |
175 | ||
176 | TEST_F(GMockOutputTest, UnsatisfiedWith) { | |
177 | EXPECT_CALL(foo_, Bar2(_, _)).With(Ge()); | |
178 | } | |
179 | ||
180 | TEST_F(GMockOutputTest, UnsatisfiedExpectation) { | |
181 | EXPECT_CALL(foo_, Bar(_, _, _)); | |
182 | EXPECT_CALL(foo_, Bar2(0, _)) | |
183 | .Times(2); | |
184 | ||
185 | foo_.Bar2(0, 1); | |
186 | } | |
187 | ||
188 | TEST_F(GMockOutputTest, MismatchArguments) { | |
189 | const std::string s = "Hi"; | |
190 | EXPECT_CALL(foo_, Bar(Ref(s), _, Ge(0))); | |
191 | ||
192 | foo_.Bar("Ho", 0, -0.1); // Mismatch arguments | |
193 | foo_.Bar(s, 0, 0); | |
194 | } | |
195 | ||
196 | TEST_F(GMockOutputTest, MismatchWith) { | |
197 | EXPECT_CALL(foo_, Bar2(Ge(2), Ge(1))) | |
198 | .With(Ge()); | |
199 | ||
200 | foo_.Bar2(2, 3); // Mismatch With() | |
201 | foo_.Bar2(2, 1); | |
202 | } | |
203 | ||
204 | TEST_F(GMockOutputTest, MismatchArgumentsAndWith) { | |
205 | EXPECT_CALL(foo_, Bar2(Ge(2), Ge(1))) | |
206 | .With(Ge()); | |
207 | ||
208 | foo_.Bar2(1, 3); // Mismatch arguments and mismatch With() | |
209 | foo_.Bar2(2, 1); | |
210 | } | |
211 | ||
212 | TEST_F(GMockOutputTest, UnexpectedCallWithDefaultAction) { | |
213 | ON_CALL(foo_, Bar2(_, _)) | |
214 | .WillByDefault(Return(true)); // Default action #1 | |
215 | ON_CALL(foo_, Bar2(1, _)) | |
216 | .WillByDefault(Return(false)); // Default action #2 | |
217 | ||
218 | EXPECT_CALL(foo_, Bar2(2, 2)); | |
219 | foo_.Bar2(1, 0); // Unexpected call, takes default action #2. | |
220 | foo_.Bar2(0, 0); // Unexpected call, takes default action #1. | |
221 | foo_.Bar2(2, 2); // Expected call. | |
222 | } | |
223 | ||
224 | TEST_F(GMockOutputTest, ExcessiveCallWithDefaultAction) { | |
225 | ON_CALL(foo_, Bar2(_, _)) | |
226 | .WillByDefault(Return(true)); // Default action #1 | |
227 | ON_CALL(foo_, Bar2(1, _)) | |
228 | .WillByDefault(Return(false)); // Default action #2 | |
229 | ||
230 | EXPECT_CALL(foo_, Bar2(2, 2)); | |
231 | EXPECT_CALL(foo_, Bar2(1, 1)); | |
232 | ||
233 | foo_.Bar2(2, 2); // Expected call. | |
234 | foo_.Bar2(2, 2); // Excessive call, takes default action #1. | |
235 | foo_.Bar2(1, 1); // Expected call. | |
236 | foo_.Bar2(1, 1); // Excessive call, takes default action #2. | |
237 | } | |
238 | ||
239 | TEST_F(GMockOutputTest, UninterestingCallWithDefaultAction) { | |
240 | ON_CALL(foo_, Bar2(_, _)) | |
241 | .WillByDefault(Return(true)); // Default action #1 | |
242 | ON_CALL(foo_, Bar2(1, _)) | |
243 | .WillByDefault(Return(false)); // Default action #2 | |
244 | ||
245 | foo_.Bar2(2, 2); // Uninteresting call, takes default action #1. | |
246 | foo_.Bar2(1, 1); // Uninteresting call, takes default action #2. | |
247 | } | |
248 | ||
249 | TEST_F(GMockOutputTest, ExplicitActionsRunOutWithDefaultAction) { | |
250 | ON_CALL(foo_, Bar2(_, _)) | |
251 | .WillByDefault(Return(true)); // Default action #1 | |
252 | ||
253 | EXPECT_CALL(foo_, Bar2(_, _)) | |
254 | .Times(2) | |
255 | .WillOnce(Return(false)); | |
256 | foo_.Bar2(2, 2); | |
257 | foo_.Bar2(1, 1); // Explicit actions in EXPECT_CALL run out. | |
258 | } | |
259 | ||
260 | TEST_F(GMockOutputTest, CatchesLeakedMocks) { | |
261 | MockFoo* foo1 = new MockFoo; | |
262 | MockFoo* foo2 = new MockFoo; | |
263 | ||
264 | // Invokes ON_CALL on foo1. | |
265 | ON_CALL(*foo1, Bar(_, _, _)).WillByDefault(Return('a')); | |
266 | ||
267 | // Invokes EXPECT_CALL on foo2. | |
268 | EXPECT_CALL(*foo2, Bar2(_, _)); | |
269 | EXPECT_CALL(*foo2, Bar2(1, _)); | |
270 | EXPECT_CALL(*foo2, Bar3(_, _)).Times(AnyNumber()); | |
271 | foo2->Bar2(2, 1); | |
272 | foo2->Bar2(1, 1); | |
273 | ||
274 | // Both foo1 and foo2 are deliberately leaked. | |
275 | } | |
276 | ||
9f95a23c TL |
277 | MATCHER_P2(IsPair, first, second, "") { |
278 | return Value(arg.first, first) && Value(arg.second, second); | |
279 | } | |
280 | ||
281 | TEST_F(GMockOutputTest, PrintsMatcher) { | |
282 | const testing::Matcher<int> m1 = Ge(48); | |
283 | EXPECT_THAT((std::pair<int, bool>(42, true)), IsPair(m1, true)); | |
284 | } | |
285 | ||
7c673cae FG |
286 | void TestCatchesLeakedMocksInAdHocTests() { |
287 | MockFoo* foo = new MockFoo; | |
288 | ||
289 | // Invokes EXPECT_CALL on foo. | |
290 | EXPECT_CALL(*foo, Bar2(_, _)); | |
291 | foo->Bar2(2, 1); | |
292 | ||
293 | // foo is deliberately leaked. | |
294 | } | |
295 | ||
296 | int main(int argc, char **argv) { | |
297 | testing::InitGoogleMock(&argc, argv); | |
7c673cae FG |
298 | // Ensures that the tests pass no matter what value of |
299 | // --gmock_catch_leaked_mocks and --gmock_verbose the user specifies. | |
300 | testing::GMOCK_FLAG(catch_leaked_mocks) = true; | |
301 | testing::GMOCK_FLAG(verbose) = "warning"; | |
302 | ||
303 | TestCatchesLeakedMocksInAdHocTests(); | |
304 | return RUN_ALL_TESTS(); | |
305 | } | |
9f95a23c TL |
306 | |
307 | #ifdef _MSC_VER | |
308 | # pragma warning(pop) | |
309 | #endif |