ceph/src/s3select/rapidjson/thirdparty/gtest/googlemock/test/gmock-nice-strict_test.cc

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  29 //
  30 // Author: wan@google.com (Zhanyong Wan)
  31
  32 #include "gmock/gmock-generated-nice-strict.h"
  33
  34 #include <string>
  35 #include <utility>
  36 #include "gmock/gmock.h"
  37 #include "gtest/gtest-spi.h"
  38 #include "gtest/gtest.h"
  39
  40 // This must not be defined inside the ::testing namespace, or it will
  41 // clash with ::testing::Mock.
  42 class Mock {
  43  public:
  44   Mock() {}
  45
  46   MOCK_METHOD0(DoThis, void());
  47
  48  private:
  49   GTEST_DISALLOW_COPY_AND_ASSIGN_(Mock);
  50 };
  51
  52 namespace testing {
  53 namespace gmock_nice_strict_test {
  54
  55 using testing::GMOCK_FLAG(verbose);
  56 using testing::HasSubstr;
  57 using testing::NaggyMock;
  58 using testing::NiceMock;
  59 using testing::StrictMock;
  60
  61 #if GTEST_HAS_STREAM_REDIRECTION
  62 using testing::internal::CaptureStdout;
  63 using testing::internal::GetCapturedStdout;
  64 #endif
  65
  66 // Class without default constructor.
  67 class NotDefaultConstructible {
  68  public:
  69   explicit NotDefaultConstructible(int) {}
  70 };
  71
  72 // Defines some mock classes needed by the tests.
  73
  74 class Foo {
  75  public:
  76   virtual ~Foo() {}
  77
  78   virtual void DoThis() = 0;
  79   virtual int DoThat(bool flag) = 0;
  80 };
  81
  82 class MockFoo : public Foo {
  83  public:
  84   MockFoo() {}
  85   void Delete() { delete this; }
  86
  87   MOCK_METHOD0(DoThis, void());
  88   MOCK_METHOD1(DoThat, int(bool flag));
  89   MOCK_METHOD0(ReturnNonDefaultConstructible, NotDefaultConstructible());
  90
  91  private:
  92   GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo);
  93 };
  94
  95 class MockBar {
  96  public:
  97   explicit MockBar(const std::string& s) : str_(s) {}
  98
  99   MockBar(char a1, char a2, std::string a3, std::string a4, int a5, int a6,
 100           const std::string& a7, const std::string& a8, bool a9, bool a10) {
 101     str_ = std::string() + a1 + a2 + a3 + a4 + static_cast<char>(a5) +
 102         static_cast<char>(a6) + a7 + a8 + (a9 ? 'T' : 'F') + (a10 ? 'T' : 'F');
 103   }
 104
 105   virtual ~MockBar() {}
 106
 107   const std::string& str() const { return str_; }
 108
 109   MOCK_METHOD0(This, int());
 110   MOCK_METHOD2(That, std::string(int, bool));
 111
 112  private:
 113   std::string str_;
 114
 115   GTEST_DISALLOW_COPY_AND_ASSIGN_(MockBar);
 116 };
 117
 118 #if GTEST_GTEST_LANG_CXX11
 119
 120 class MockBaz {
 121  public:
 122   class MoveOnly {
 123     MoveOnly() = default;
 124
 125     MoveOnly(const MoveOnly&) = delete;
 126     operator=(const MoveOnly&) = delete;
 127
 128     MoveOnly(MoveOnly&&) = default;
 129     operator=(MoveOnly&&) = default;
 130   };
 131
 132   MockBaz(MoveOnly) {}
 133 }
 134 #endif  // GTEST_GTEST_LANG_CXX11 && GTEST_HAS_STD_MOVE_
 135
 136 #if GTEST_HAS_STREAM_REDIRECTION
 137
 138 // Tests that a raw mock generates warnings for uninteresting calls.
 139 TEST(RawMockTest, WarningForUninterestingCall) {
 140   const std::string saved_flag = GMOCK_FLAG(verbose);
 141   GMOCK_FLAG(verbose) = "warning";
 142
 143   MockFoo raw_foo;
 144
 145   CaptureStdout();
 146   raw_foo.DoThis();
 147   raw_foo.DoThat(true);
 148   EXPECT_THAT(GetCapturedStdout(),
 149               HasSubstr("Uninteresting mock function call"));
 150
 151   GMOCK_FLAG(verbose) = saved_flag;
 152 }
 153
 154 // Tests that a raw mock generates warnings for uninteresting calls
 155 // that delete the mock object.
 156 TEST(RawMockTest, WarningForUninterestingCallAfterDeath) {
 157   const std::string saved_flag = GMOCK_FLAG(verbose);
 158   GMOCK_FLAG(verbose) = "warning";
 159
 160   MockFoo* const raw_foo = new MockFoo;
 161
 162   ON_CALL(*raw_foo, DoThis())
 163       .WillByDefault(Invoke(raw_foo, &MockFoo::Delete));
 164
 165   CaptureStdout();
 166   raw_foo->DoThis();
 167   EXPECT_THAT(GetCapturedStdout(),
 168               HasSubstr("Uninteresting mock function call"));
 169
 170   GMOCK_FLAG(verbose) = saved_flag;
 171 }
 172
 173 // Tests that a raw mock generates informational logs for
 174 // uninteresting calls.
 175 TEST(RawMockTest, InfoForUninterestingCall) {
 176   MockFoo raw_foo;
 177
 178   const std::string saved_flag = GMOCK_FLAG(verbose);
 179   GMOCK_FLAG(verbose) = "info";
 180   CaptureStdout();
 181   raw_foo.DoThis();
 182   EXPECT_THAT(GetCapturedStdout(),
 183               HasSubstr("Uninteresting mock function call"));
 184
 185   GMOCK_FLAG(verbose) = saved_flag;
 186 }
 187
 188 // Tests that a nice mock generates no warning for uninteresting calls.
 189 TEST(NiceMockTest, NoWarningForUninterestingCall) {
 190   NiceMock<MockFoo> nice_foo;
 191
 192   CaptureStdout();
 193   nice_foo.DoThis();
 194   nice_foo.DoThat(true);
 195   EXPECT_EQ("", GetCapturedStdout());
 196 }
 197
 198 // Tests that a nice mock generates no warning for uninteresting calls
 199 // that delete the mock object.
 200 TEST(NiceMockTest, NoWarningForUninterestingCallAfterDeath) {
 201   NiceMock<MockFoo>* const nice_foo = new NiceMock<MockFoo>;
 202
 203   ON_CALL(*nice_foo, DoThis())
 204       .WillByDefault(Invoke(nice_foo, &MockFoo::Delete));
 205
 206   CaptureStdout();
 207   nice_foo->DoThis();
 208   EXPECT_EQ("", GetCapturedStdout());
 209 }
 210
 211 // Tests that a nice mock generates informational logs for
 212 // uninteresting calls.
 213 TEST(NiceMockTest, InfoForUninterestingCall) {
 214   NiceMock<MockFoo> nice_foo;
 215
 216   const std::string saved_flag = GMOCK_FLAG(verbose);
 217   GMOCK_FLAG(verbose) = "info";
 218   CaptureStdout();
 219   nice_foo.DoThis();
 220   EXPECT_THAT(GetCapturedStdout(),
 221               HasSubstr("Uninteresting mock function call"));
 222
 223   GMOCK_FLAG(verbose) = saved_flag;
 224 }
 225
 226 #endif  // GTEST_HAS_STREAM_REDIRECTION
 227
 228 // Tests that a nice mock allows expected calls.
 229 TEST(NiceMockTest, AllowsExpectedCall) {
 230   NiceMock<MockFoo> nice_foo;
 231
 232   EXPECT_CALL(nice_foo, DoThis());
 233   nice_foo.DoThis();
 234 }
 235
 236 // Tests that an unexpected call on a nice mock which returns a
 237 // not-default-constructible type throws an exception and the exception contains
 238 // the method's name.
 239 TEST(NiceMockTest, ThrowsExceptionForUnknownReturnTypes) {
 240   NiceMock<MockFoo> nice_foo;
 241 #if GTEST_HAS_EXCEPTIONS
 242   try {
 243     nice_foo.ReturnNonDefaultConstructible();
 244     FAIL();
 245   } catch (const std::runtime_error& ex) {
 246     EXPECT_THAT(ex.what(), HasSubstr("ReturnNonDefaultConstructible"));
 247   }
 248 #else
 249   EXPECT_DEATH_IF_SUPPORTED({ nice_foo.ReturnNonDefaultConstructible(); }, "");
 250 #endif
 251 }
 252
 253 // Tests that an unexpected call on a nice mock fails.
 254 TEST(NiceMockTest, UnexpectedCallFails) {
 255   NiceMock<MockFoo> nice_foo;
 256
 257   EXPECT_CALL(nice_foo, DoThis()).Times(0);
 258   EXPECT_NONFATAL_FAILURE(nice_foo.DoThis(), "called more times than expected");
 259 }
 260
 261 // Tests that NiceMock works with a mock class that has a non-default
 262 // constructor.
 263 TEST(NiceMockTest, NonDefaultConstructor) {
 264   NiceMock<MockBar> nice_bar("hi");
 265   EXPECT_EQ("hi", nice_bar.str());
 266
 267   nice_bar.This();
 268   nice_bar.That(5, true);
 269 }
 270
 271 // Tests that NiceMock works with a mock class that has a 10-ary
 272 // non-default constructor.
 273 TEST(NiceMockTest, NonDefaultConstructor10) {
 274   NiceMock<MockBar> nice_bar('a', 'b', "c", "d", 'e', 'f',
 275                              "g", "h", true, false);
 276   EXPECT_EQ("abcdefghTF", nice_bar.str());
 277
 278   nice_bar.This();
 279   nice_bar.That(5, true);
 280 }
 281
 282 TEST(NiceMockTest, AllowLeak) {
 283   NiceMock<MockFoo>* leaked = new NiceMock<MockFoo>;
 284   Mock::AllowLeak(leaked);
 285   EXPECT_CALL(*leaked, DoThis());
 286   leaked->DoThis();
 287 }
 288
 289 #if GTEST_GTEST_LANG_CXX11 && GTEST_HAS_STD_MOVE_
 290
 291 TEST(NiceMockTest, MoveOnlyConstructor) {
 292   NiceMock<MockBaz> nice_baz(MockBaz::MoveOnly());
 293 }
 294
 295 #endif  // GTEST_LANG_CXX11 && GTEST_HAS_STD_MOVE_
 296
 297 #if !GTEST_OS_SYMBIAN && !GTEST_OS_WINDOWS_MOBILE
 298 // Tests that NiceMock<Mock> compiles where Mock is a user-defined
 299 // class (as opposed to ::testing::Mock).  We had to work around an
 300 // MSVC 8.0 bug that caused the symbol Mock used in the definition of
 301 // NiceMock to be looked up in the wrong context, and this test
 302 // ensures that our fix works.
 303 //
 304 // We have to skip this test on Symbian and Windows Mobile, as it
 305 // causes the program to crash there, for reasons unclear to us yet.
 306 TEST(NiceMockTest, AcceptsClassNamedMock) {
 307   NiceMock< ::Mock> nice;
 308   EXPECT_CALL(nice, DoThis());
 309   nice.DoThis();
 310 }
 311 #endif  // !GTEST_OS_SYMBIAN && !GTEST_OS_WINDOWS_MOBILE
 312
 313 #if GTEST_HAS_STREAM_REDIRECTION
 314
 315 // Tests that a naggy mock generates warnings for uninteresting calls.
 316 TEST(NaggyMockTest, WarningForUninterestingCall) {
 317   const std::string saved_flag = GMOCK_FLAG(verbose);
 318   GMOCK_FLAG(verbose) = "warning";
 319
 320   NaggyMock<MockFoo> naggy_foo;
 321
 322   CaptureStdout();
 323   naggy_foo.DoThis();
 324   naggy_foo.DoThat(true);
 325   EXPECT_THAT(GetCapturedStdout(),
 326               HasSubstr("Uninteresting mock function call"));
 327
 328   GMOCK_FLAG(verbose) = saved_flag;
 329 }
 330
 331 // Tests that a naggy mock generates a warning for an uninteresting call
 332 // that deletes the mock object.
 333 TEST(NaggyMockTest, WarningForUninterestingCallAfterDeath) {
 334   const std::string saved_flag = GMOCK_FLAG(verbose);
 335   GMOCK_FLAG(verbose) = "warning";
 336
 337   NaggyMock<MockFoo>* const naggy_foo = new NaggyMock<MockFoo>;
 338
 339   ON_CALL(*naggy_foo, DoThis())
 340       .WillByDefault(Invoke(naggy_foo, &MockFoo::Delete));
 341
 342   CaptureStdout();
 343   naggy_foo->DoThis();
 344   EXPECT_THAT(GetCapturedStdout(),
 345               HasSubstr("Uninteresting mock function call"));
 346
 347   GMOCK_FLAG(verbose) = saved_flag;
 348 }
 349
 350 #endif  // GTEST_HAS_STREAM_REDIRECTION
 351
 352 // Tests that a naggy mock allows expected calls.
 353 TEST(NaggyMockTest, AllowsExpectedCall) {
 354   NaggyMock<MockFoo> naggy_foo;
 355
 356   EXPECT_CALL(naggy_foo, DoThis());
 357   naggy_foo.DoThis();
 358 }
 359
 360 // Tests that an unexpected call on a naggy mock fails.
 361 TEST(NaggyMockTest, UnexpectedCallFails) {
 362   NaggyMock<MockFoo> naggy_foo;
 363
 364   EXPECT_CALL(naggy_foo, DoThis()).Times(0);
 365   EXPECT_NONFATAL_FAILURE(naggy_foo.DoThis(),
 366                           "called more times than expected");
 367 }
 368
 369 // Tests that NaggyMock works with a mock class that has a non-default
 370 // constructor.
 371 TEST(NaggyMockTest, NonDefaultConstructor) {
 372   NaggyMock<MockBar> naggy_bar("hi");
 373   EXPECT_EQ("hi", naggy_bar.str());
 374
 375   naggy_bar.This();
 376   naggy_bar.That(5, true);
 377 }
 378
 379 // Tests that NaggyMock works with a mock class that has a 10-ary
 380 // non-default constructor.
 381 TEST(NaggyMockTest, NonDefaultConstructor10) {
 382   NaggyMock<MockBar> naggy_bar('0', '1', "2", "3", '4', '5',
 383                                "6", "7", true, false);
 384   EXPECT_EQ("01234567TF", naggy_bar.str());
 385
 386   naggy_bar.This();
 387   naggy_bar.That(5, true);
 388 }
 389
 390 TEST(NaggyMockTest, AllowLeak) {
 391   NaggyMock<MockFoo>* leaked = new NaggyMock<MockFoo>;
 392   Mock::AllowLeak(leaked);
 393   EXPECT_CALL(*leaked, DoThis());
 394   leaked->DoThis();
 395 }
 396
 397 #if GTEST_GTEST_LANG_CXX11 && GTEST_HAS_STD_MOVE_
 398
 399 TEST(NaggyMockTest, MoveOnlyConstructor) {
 400   NaggyMock<MockBaz> naggy_baz(MockBaz::MoveOnly());
 401 }
 402
 403 #endif  // GTEST_LANG_CXX11 && GTEST_HAS_STD_MOVE_
 404
 405 #if !GTEST_OS_SYMBIAN && !GTEST_OS_WINDOWS_MOBILE
 406 // Tests that NaggyMock<Mock> compiles where Mock is a user-defined
 407 // class (as opposed to ::testing::Mock).  We had to work around an
 408 // MSVC 8.0 bug that caused the symbol Mock used in the definition of
 409 // NaggyMock to be looked up in the wrong context, and this test
 410 // ensures that our fix works.
 411 //
 412 // We have to skip this test on Symbian and Windows Mobile, as it
 413 // causes the program to crash there, for reasons unclear to us yet.
 414 TEST(NaggyMockTest, AcceptsClassNamedMock) {
 415   NaggyMock< ::Mock> naggy;
 416   EXPECT_CALL(naggy, DoThis());
 417   naggy.DoThis();
 418 }
 419 #endif  // !GTEST_OS_SYMBIAN && !GTEST_OS_WINDOWS_MOBILE
 420
 421 // Tests that a strict mock allows expected calls.
 422 TEST(StrictMockTest, AllowsExpectedCall) {
 423   StrictMock<MockFoo> strict_foo;
 424
 425   EXPECT_CALL(strict_foo, DoThis());
 426   strict_foo.DoThis();
 427 }
 428
 429 // Tests that an unexpected call on a strict mock fails.
 430 TEST(StrictMockTest, UnexpectedCallFails) {
 431   StrictMock<MockFoo> strict_foo;
 432
 433   EXPECT_CALL(strict_foo, DoThis()).Times(0);
 434   EXPECT_NONFATAL_FAILURE(strict_foo.DoThis(),
 435                           "called more times than expected");
 436 }
 437
 438 // Tests that an uninteresting call on a strict mock fails.
 439 TEST(StrictMockTest, UninterestingCallFails) {
 440   StrictMock<MockFoo> strict_foo;
 441
 442   EXPECT_NONFATAL_FAILURE(strict_foo.DoThis(),
 443                           "Uninteresting mock function call");
 444 }
 445
 446 // Tests that an uninteresting call on a strict mock fails, even if
 447 // the call deletes the mock object.
 448 TEST(StrictMockTest, UninterestingCallFailsAfterDeath) {
 449   StrictMock<MockFoo>* const strict_foo = new StrictMock<MockFoo>;
 450
 451   ON_CALL(*strict_foo, DoThis())
 452       .WillByDefault(Invoke(strict_foo, &MockFoo::Delete));
 453
 454   EXPECT_NONFATAL_FAILURE(strict_foo->DoThis(),
 455                           "Uninteresting mock function call");
 456 }
 457
 458 // Tests that StrictMock works with a mock class that has a
 459 // non-default constructor.
 460 TEST(StrictMockTest, NonDefaultConstructor) {
 461   StrictMock<MockBar> strict_bar("hi");
 462   EXPECT_EQ("hi", strict_bar.str());
 463
 464   EXPECT_NONFATAL_FAILURE(strict_bar.That(5, true),
 465                           "Uninteresting mock function call");
 466 }
 467
 468 // Tests that StrictMock works with a mock class that has a 10-ary
 469 // non-default constructor.
 470 TEST(StrictMockTest, NonDefaultConstructor10) {
 471   StrictMock<MockBar> strict_bar('a', 'b', "c", "d", 'e', 'f',
 472                                  "g", "h", true, false);
 473   EXPECT_EQ("abcdefghTF", strict_bar.str());
 474
 475   EXPECT_NONFATAL_FAILURE(strict_bar.That(5, true),
 476                           "Uninteresting mock function call");
 477 }
 478
 479 TEST(StrictMockTest, AllowLeak) {
 480   StrictMock<MockFoo>* leaked = new StrictMock<MockFoo>;
 481   Mock::AllowLeak(leaked);
 482   EXPECT_CALL(*leaked, DoThis());
 483   leaked->DoThis();
 484 }
 485
 486 #if GTEST_GTEST_LANG_CXX11 && GTEST_HAS_STD_MOVE_
 487
 488 TEST(StrictMockTest, MoveOnlyConstructor) {
 489   StrictMock<MockBaz> strict_baz(MockBaz::MoveOnly());
 490 }
 491
 492 #endif  // GTEST_LANG_CXX11 && GTEST_HAS_STD_MOVE_
 493
 494 #if !GTEST_OS_SYMBIAN && !GTEST_OS_WINDOWS_MOBILE
 495 // Tests that StrictMock<Mock> compiles where Mock is a user-defined
 496 // class (as opposed to ::testing::Mock).  We had to work around an
 497 // MSVC 8.0 bug that caused the symbol Mock used in the definition of
 498 // StrictMock to be looked up in the wrong context, and this test
 499 // ensures that our fix works.
 500 //
 501 // We have to skip this test on Symbian and Windows Mobile, as it
 502 // causes the program to crash there, for reasons unclear to us yet.
 503 TEST(StrictMockTest, AcceptsClassNamedMock) {
 504   StrictMock< ::Mock> strict;
 505   EXPECT_CALL(strict, DoThis());
 506   strict.DoThis();
 507 }
 508 #endif  // !GTEST_OS_SYMBIAN && !GTEST_OS_WINDOWS_MOBILE
 509
 510 }  // namespace gmock_nice_strict_test
 511 }  // namespace testing