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| 1 // Copyright 2005, 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. | |
| 29 // | |
| 30 // Author: wan@google.com (Zhanyong Wan) | |
| 31 // | |
| 32 // Tests for death tests. | |
| 33 | |
| 34 #include "gtest/gtest-death-test.h" | |
| 35 #include "gtest/gtest.h" | |
| 36 #include "gtest/internal/gtest-filepath.h" | |
| 37 | |
| 38 using testing::internal::AlwaysFalse; | |
| 39 using testing::internal::AlwaysTrue; | |
| 40 | |
| 41 #if GTEST_HAS_DEATH_TEST | |
| 42 | |
| 43 # if GTEST_OS_WINDOWS | |
| 44 # include <direct.h> // For chdir(). | |
| 45 # else | |
| 46 # include <unistd.h> | |
| 47 # include <sys/wait.h> // For waitpid. | |
| 48 # include <limits> // For std::numeric_limits. | |
| 49 # endif // GTEST_OS_WINDOWS | |
| 50 | |
| 51 # include <limits.h> | |
| 52 # include <signal.h> | |
| 53 # include <stdio.h> | |
| 54 | |
| 55 # include "gtest/gtest-spi.h" | |
| 56 | |
| 57 // Indicates that this translation unit is part of Google Test's | |
| 58 // implementation. It must come before gtest-internal-inl.h is | |
| 59 // included, or there will be a compiler error. This trick is to | |
| 60 // prevent a user from accidentally including gtest-internal-inl.h in | |
| 61 // his code. | |
| 62 # define GTEST_IMPLEMENTATION_ 1 | |
| 63 # include "src/gtest-internal-inl.h" | |
| 64 # undef GTEST_IMPLEMENTATION_ | |
| 65 | |
| 66 namespace posix = ::testing::internal::posix; | |
| 67 | |
| 68 using testing::Message; | |
| 69 using testing::internal::DeathTest; | |
| 70 using testing::internal::DeathTestFactory; | |
| 71 using testing::internal::FilePath; | |
| 72 using testing::internal::GetLastErrnoDescription; | |
| 73 using testing::internal::GetUnitTestImpl; | |
| 74 using testing::internal::ParseNaturalNumber; | |
| 75 using testing::internal::String; | |
| 76 | |
| 77 namespace testing { | |
| 78 namespace internal { | |
| 79 | |
| 80 // A helper class whose objects replace the death test factory for a | |
| 81 // single UnitTest object during their lifetimes. | |
| 82 class ReplaceDeathTestFactory { | |
| 83 public: | |
| 84 explicit ReplaceDeathTestFactory(DeathTestFactory* new_factory) | |
| 85 : unit_test_impl_(GetUnitTestImpl()) { | |
| 86 old_factory_ = unit_test_impl_->death_test_factory_.release(); | |
| 87 unit_test_impl_->death_test_factory_.reset(new_factory); | |
| 88 } | |
| 89 | |
| 90 ~ReplaceDeathTestFactory() { | |
| 91 unit_test_impl_->death_test_factory_.release(); | |
| 92 unit_test_impl_->death_test_factory_.reset(old_factory_); | |
| 93 } | |
| 94 private: | |
| 95 // Prevents copying ReplaceDeathTestFactory objects. | |
| 96 ReplaceDeathTestFactory(const ReplaceDeathTestFactory&); | |
| 97 void operator=(const ReplaceDeathTestFactory&); | |
| 98 | |
| 99 UnitTestImpl* unit_test_impl_; | |
| 100 DeathTestFactory* old_factory_; | |
| 101 }; | |
| 102 | |
| 103 } // namespace internal | |
| 104 } // namespace testing | |
| 105 | |
| 106 void DieWithMessage(const ::std::string& message) { | |
| 107 fprintf(stderr, "%s", message.c_str()); | |
| 108 fflush(stderr); // Make sure the text is printed before the process exits. | |
| 109 | |
| 110 // We call _exit() instead of exit(), as the former is a direct | |
| 111 // system call and thus safer in the presence of threads. exit() | |
| 112 // will invoke user-defined exit-hooks, which may do dangerous | |
| 113 // things that conflict with death tests. | |
| 114 // | |
| 115 // Some compilers can recognize that _exit() never returns and issue the | |
| 116 // 'unreachable code' warning for code following this function, unless | |
| 117 // fooled by a fake condition. | |
| 118 if (AlwaysTrue()) | |
| 119 _exit(1); | |
| 120 } | |
| 121 | |
| 122 void DieInside(const ::std::string& function) { | |
| 123 DieWithMessage("death inside " + function + "()."); | |
| 124 } | |
| 125 | |
| 126 // Tests that death tests work. | |
| 127 | |
| 128 class TestForDeathTest : public testing::Test { | |
| 129 protected: | |
| 130 TestForDeathTest() : original_dir_(FilePath::GetCurrentDir()) {} | |
| 131 | |
| 132 virtual ~TestForDeathTest() { | |
| 133 posix::ChDir(original_dir_.c_str()); | |
| 134 } | |
| 135 | |
| 136 // A static member function that's expected to die. | |
| 137 static void StaticMemberFunction() { DieInside("StaticMemberFunction"); } | |
| 138 | |
| 139 // A method of the test fixture that may die. | |
| 140 void MemberFunction() { | |
| 141 if (should_die_) | |
| 142 DieInside("MemberFunction"); | |
| 143 } | |
| 144 | |
| 145 // True iff MemberFunction() should die. | |
| 146 bool should_die_; | |
| 147 const FilePath original_dir_; | |
| 148 }; | |
| 149 | |
| 150 // A class with a member function that may die. | |
| 151 class MayDie { | |
| 152 public: | |
| 153 explicit MayDie(bool should_die) : should_die_(should_die) {} | |
| 154 | |
| 155 // A member function that may die. | |
| 156 void MemberFunction() const { | |
| 157 if (should_die_) | |
| 158 DieInside("MayDie::MemberFunction"); | |
| 159 } | |
| 160 | |
| 161 private: | |
| 162 // True iff MemberFunction() should die. | |
| 163 bool should_die_; | |
| 164 }; | |
| 165 | |
| 166 // A global function that's expected to die. | |
| 167 void GlobalFunction() { DieInside("GlobalFunction"); } | |
| 168 | |
| 169 // A non-void function that's expected to die. | |
| 170 int NonVoidFunction() { | |
| 171 DieInside("NonVoidFunction"); | |
| 172 return 1; | |
| 173 } | |
| 174 | |
| 175 // A unary function that may die. | |
| 176 void DieIf(bool should_die) { | |
| 177 if (should_die) | |
| 178 DieInside("DieIf"); | |
| 179 } | |
| 180 | |
| 181 // A binary function that may die. | |
| 182 bool DieIfLessThan(int x, int y) { | |
| 183 if (x < y) { | |
| 184 DieInside("DieIfLessThan"); | |
| 185 } | |
| 186 return true; | |
| 187 } | |
| 188 | |
| 189 // Tests that ASSERT_DEATH can be used outside a TEST, TEST_F, or test fixture. | |
| 190 void DeathTestSubroutine() { | |
| 191 EXPECT_DEATH(GlobalFunction(), "death.*GlobalFunction"); | |
| 192 ASSERT_DEATH(GlobalFunction(), "death.*GlobalFunction"); | |
| 193 } | |
| 194 | |
| 195 // Death in dbg, not opt. | |
| 196 int DieInDebugElse12(int* sideeffect) { | |
| 197 if (sideeffect) *sideeffect = 12; | |
| 198 | |
| 199 # ifndef NDEBUG | |
| 200 | |
| 201 DieInside("DieInDebugElse12"); | |
| 202 | |
| 203 # endif // NDEBUG | |
| 204 | |
| 205 return 12; | |
| 206 } | |
| 207 | |
| 208 # if GTEST_OS_WINDOWS | |
| 209 | |
| 210 // Tests the ExitedWithCode predicate. | |
| 211 TEST(ExitStatusPredicateTest, ExitedWithCode) { | |
| 212 // On Windows, the process's exit code is the same as its exit status, | |
| 213 // so the predicate just compares the its input with its parameter. | |
| 214 EXPECT_TRUE(testing::ExitedWithCode(0)(0)); | |
| 215 EXPECT_TRUE(testing::ExitedWithCode(1)(1)); | |
| 216 EXPECT_TRUE(testing::ExitedWithCode(42)(42)); | |
| 217 EXPECT_FALSE(testing::ExitedWithCode(0)(1)); | |
| 218 EXPECT_FALSE(testing::ExitedWithCode(1)(0)); | |
| 219 } | |
| 220 | |
| 221 # else | |
| 222 | |
| 223 // Returns the exit status of a process that calls _exit(2) with a | |
| 224 // given exit code. This is a helper function for the | |
| 225 // ExitStatusPredicateTest test suite. | |
| 226 static int NormalExitStatus(int exit_code) { | |
| 227 pid_t child_pid = fork(); | |
| 228 if (child_pid == 0) { | |
| 229 _exit(exit_code); | |
| 230 } | |
| 231 int status; | |
| 232 waitpid(child_pid, &status, 0); | |
| 233 return status; | |
| 234 } | |
| 235 | |
| 236 // Returns the exit status of a process that raises a given signal. | |
| 237 // If the signal does not cause the process to die, then it returns | |
| 238 // instead the exit status of a process that exits normally with exit | |
| 239 // code 1. This is a helper function for the ExitStatusPredicateTest | |
| 240 // test suite. | |
| 241 static int KilledExitStatus(int signum) { | |
| 242 pid_t child_pid = fork(); | |
| 243 if (child_pid == 0) { | |
| 244 raise(signum); | |
| 245 _exit(1); | |
| 246 } | |
| 247 int status; | |
| 248 waitpid(child_pid, &status, 0); | |
| 249 return status; | |
| 250 } | |
| 251 | |
| 252 // Tests the ExitedWithCode predicate. | |
| 253 TEST(ExitStatusPredicateTest, ExitedWithCode) { | |
| 254 const int status0 = NormalExitStatus(0); | |
| 255 const int status1 = NormalExitStatus(1); | |
| 256 const int status42 = NormalExitStatus(42); | |
| 257 const testing::ExitedWithCode pred0(0); | |
| 258 const testing::ExitedWithCode pred1(1); | |
| 259 const testing::ExitedWithCode pred42(42); | |
| 260 EXPECT_PRED1(pred0, status0); | |
| 261 EXPECT_PRED1(pred1, status1); | |
| 262 EXPECT_PRED1(pred42, status42); | |
| 263 EXPECT_FALSE(pred0(status1)); | |
| 264 EXPECT_FALSE(pred42(status0)); | |
| 265 EXPECT_FALSE(pred1(status42)); | |
| 266 } | |
| 267 | |
| 268 // Tests the KilledBySignal predicate. | |
| 269 TEST(ExitStatusPredicateTest, KilledBySignal) { | |
| 270 const int status_segv = KilledExitStatus(SIGSEGV); | |
| 271 const int status_kill = KilledExitStatus(SIGKILL); | |
| 272 const testing::KilledBySignal pred_segv(SIGSEGV); | |
| 273 const testing::KilledBySignal pred_kill(SIGKILL); | |
| 274 EXPECT_PRED1(pred_segv, status_segv); | |
| 275 EXPECT_PRED1(pred_kill, status_kill); | |
| 276 EXPECT_FALSE(pred_segv(status_kill)); | |
| 277 EXPECT_FALSE(pred_kill(status_segv)); | |
| 278 } | |
| 279 | |
| 280 # endif // GTEST_OS_WINDOWS | |
| 281 | |
| 282 // Tests that the death test macros expand to code which may or may not | |
| 283 // be followed by operator<<, and that in either case the complete text | |
| 284 // comprises only a single C++ statement. | |
| 285 TEST_F(TestForDeathTest, SingleStatement) { | |
| 286 if (AlwaysFalse()) | |
| 287 // This would fail if executed; this is a compilation test only | |
| 288 ASSERT_DEATH(return, ""); | |
| 289 | |
| 290 if (AlwaysTrue()) | |
| 291 EXPECT_DEATH(_exit(1), ""); | |
| 292 else | |
| 293 // This empty "else" branch is meant to ensure that EXPECT_DEATH | |
| 294 // doesn't expand into an "if" statement without an "else" | |
| 295 ; | |
| 296 | |
| 297 if (AlwaysFalse()) | |
| 298 ASSERT_DEATH(return, "") << "did not die"; | |
| 299 | |
| 300 if (AlwaysFalse()) | |
| 301 ; | |
| 302 else | |
| 303 EXPECT_DEATH(_exit(1), "") << 1 << 2 << 3; | |
| 304 } | |
| 305 | |
| 306 void DieWithEmbeddedNul() { | |
| 307 fprintf(stderr, "Hello%cmy null world.\n", '\0'); | |
| 308 fflush(stderr); | |
| 309 _exit(1); | |
| 310 } | |
| 311 | |
| 312 # if GTEST_USES_PCRE | |
| 313 // Tests that EXPECT_DEATH and ASSERT_DEATH work when the error | |
| 314 // message has a NUL character in it. | |
| 315 TEST_F(TestForDeathTest, EmbeddedNulInMessage) { | |
| 316 // TODO(wan@google.com): <regex.h> doesn't support matching strings | |
| 317 // with embedded NUL characters - find a way to workaround it. | |
| 318 EXPECT_DEATH(DieWithEmbeddedNul(), "my null world"); | |
| 319 ASSERT_DEATH(DieWithEmbeddedNul(), "my null world"); | |
| 320 } | |
| 321 # endif // GTEST_USES_PCRE | |
| 322 | |
| 323 // Tests that death test macros expand to code which interacts well with switch | |
| 324 // statements. | |
| 325 TEST_F(TestForDeathTest, SwitchStatement) { | |
| 326 // Microsoft compiler usually complains about switch statements without | |
| 327 // case labels. We suppress that warning for this test. | |
| 328 # ifdef _MSC_VER | |
| 329 # pragma warning(push) | |
| 330 # pragma warning(disable: 4065) | |
| 331 # endif // _MSC_VER | |
| 332 | |
| 333 switch (0) | |
| 334 default: | |
| 335 ASSERT_DEATH(_exit(1), "") << "exit in default switch handler"; | |
| 336 | |
| 337 switch (0) | |
| 338 case 0: | |
| 339 EXPECT_DEATH(_exit(1), "") << "exit in switch case"; | |
| 340 | |
| 341 # ifdef _MSC_VER | |
| 342 # pragma warning(pop) | |
| 343 # endif // _MSC_VER | |
| 344 } | |
| 345 | |
| 346 // Tests that a static member function can be used in a "fast" style | |
| 347 // death test. | |
| 348 TEST_F(TestForDeathTest, StaticMemberFunctionFastStyle) { | |
| 349 testing::GTEST_FLAG(death_test_style) = "fast"; | |
| 350 ASSERT_DEATH(StaticMemberFunction(), "death.*StaticMember"); | |
| 351 } | |
| 352 | |
| 353 // Tests that a method of the test fixture can be used in a "fast" | |
| 354 // style death test. | |
| 355 TEST_F(TestForDeathTest, MemberFunctionFastStyle) { | |
| 356 testing::GTEST_FLAG(death_test_style) = "fast"; | |
| 357 should_die_ = true; | |
| 358 EXPECT_DEATH(MemberFunction(), "inside.*MemberFunction"); | |
| 359 } | |
| 360 | |
| 361 void ChangeToRootDir() { posix::ChDir(GTEST_PATH_SEP_); } | |
| 362 | |
| 363 // Tests that death tests work even if the current directory has been | |
| 364 // changed. | |
| 365 TEST_F(TestForDeathTest, FastDeathTestInChangedDir) { | |
| 366 testing::GTEST_FLAG(death_test_style) = "fast"; | |
| 367 | |
| 368 ChangeToRootDir(); | |
| 369 EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), ""); | |
| 370 | |
| 371 ChangeToRootDir(); | |
| 372 ASSERT_DEATH(_exit(1), ""); | |
| 373 } | |
| 374 | |
| 375 // Repeats a representative sample of death tests in the "threadsafe" style: | |
| 376 | |
| 377 TEST_F(TestForDeathTest, StaticMemberFunctionThreadsafeStyle) { | |
| 378 testing::GTEST_FLAG(death_test_style) = "threadsafe"; | |
| 379 ASSERT_DEATH(StaticMemberFunction(), "death.*StaticMember"); | |
| 380 } | |
| 381 | |
| 382 TEST_F(TestForDeathTest, MemberFunctionThreadsafeStyle) { | |
| 383 testing::GTEST_FLAG(death_test_style) = "threadsafe"; | |
| 384 should_die_ = true; | |
| 385 EXPECT_DEATH(MemberFunction(), "inside.*MemberFunction"); | |
| 386 } | |
| 387 | |
| 388 TEST_F(TestForDeathTest, ThreadsafeDeathTestInLoop) { | |
| 389 testing::GTEST_FLAG(death_test_style) = "threadsafe"; | |
| 390 | |
| 391 for (int i = 0; i < 3; ++i) | |
| 392 EXPECT_EXIT(_exit(i), testing::ExitedWithCode(i), "") << ": i = " << i; | |
| 393 } | |
| 394 | |
| 395 TEST_F(TestForDeathTest, ThreadsafeDeathTestInChangedDir) { | |
| 396 testing::GTEST_FLAG(death_test_style) = "threadsafe"; | |
| 397 | |
| 398 ChangeToRootDir(); | |
| 399 EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), ""); | |
| 400 | |
| 401 ChangeToRootDir(); | |
| 402 ASSERT_DEATH(_exit(1), ""); | |
| 403 } | |
| 404 | |
| 405 TEST_F(TestForDeathTest, MixedStyles) { | |
| 406 testing::GTEST_FLAG(death_test_style) = "threadsafe"; | |
| 407 EXPECT_DEATH(_exit(1), ""); | |
| 408 testing::GTEST_FLAG(death_test_style) = "fast"; | |
| 409 EXPECT_DEATH(_exit(1), ""); | |
| 410 } | |
| 411 | |
| 412 namespace { | |
| 413 | |
| 414 bool pthread_flag; | |
| 415 | |
| 416 void SetPthreadFlag() { | |
| 417 pthread_flag = true; | |
| 418 } | |
| 419 | |
| 420 } // namespace | |
| 421 | |
| 422 # if GTEST_HAS_CLONE && GTEST_HAS_PTHREAD | |
| 423 | |
| 424 TEST_F(TestForDeathTest, DoesNotExecuteAtforkHooks) { | |
| 425 if (!testing::GTEST_FLAG(death_test_use_fork)) { | |
| 426 testing::GTEST_FLAG(death_test_style) = "threadsafe"; | |
| 427 pthread_flag = false; | |
| 428 ASSERT_EQ(0, pthread_atfork(&SetPthreadFlag, NULL, NULL)); | |
| 429 ASSERT_DEATH(_exit(1), ""); | |
| 430 ASSERT_FALSE(pthread_flag); | |
| 431 } | |
| 432 } | |
| 433 | |
| 434 # endif // GTEST_HAS_CLONE && GTEST_HAS_PTHREAD | |
| 435 | |
| 436 // Tests that a method of another class can be used in a death test. | |
| 437 TEST_F(TestForDeathTest, MethodOfAnotherClass) { | |
| 438 const MayDie x(true); | |
| 439 ASSERT_DEATH(x.MemberFunction(), "MayDie\\:\\:MemberFunction"); | |
| 440 } | |
| 441 | |
| 442 // Tests that a global function can be used in a death test. | |
| 443 TEST_F(TestForDeathTest, GlobalFunction) { | |
| 444 EXPECT_DEATH(GlobalFunction(), "GlobalFunction"); | |
| 445 } | |
| 446 | |
| 447 // Tests that any value convertible to an RE works as a second | |
| 448 // argument to EXPECT_DEATH. | |
| 449 TEST_F(TestForDeathTest, AcceptsAnythingConvertibleToRE) { | |
| 450 static const char regex_c_str[] = "GlobalFunction"; | |
| 451 EXPECT_DEATH(GlobalFunction(), regex_c_str); | |
| 452 | |
| 453 const testing::internal::RE regex(regex_c_str); | |
| 454 EXPECT_DEATH(GlobalFunction(), regex); | |
| 455 | |
| 456 # if GTEST_HAS_GLOBAL_STRING | |
| 457 | |
| 458 const string regex_str(regex_c_str); | |
| 459 EXPECT_DEATH(GlobalFunction(), regex_str); | |
| 460 | |
| 461 # endif // GTEST_HAS_GLOBAL_STRING | |
| 462 | |
| 463 const ::std::string regex_std_str(regex_c_str); | |
| 464 EXPECT_DEATH(GlobalFunction(), regex_std_str); | |
| 465 } | |
| 466 | |
| 467 // Tests that a non-void function can be used in a death test. | |
| 468 TEST_F(TestForDeathTest, NonVoidFunction) { | |
| 469 ASSERT_DEATH(NonVoidFunction(), "NonVoidFunction"); | |
| 470 } | |
| 471 | |
| 472 // Tests that functions that take parameter(s) can be used in a death test. | |
| 473 TEST_F(TestForDeathTest, FunctionWithParameter) { | |
| 474 EXPECT_DEATH(DieIf(true), "DieIf\\(\\)"); | |
| 475 EXPECT_DEATH(DieIfLessThan(2, 3), "DieIfLessThan"); | |
| 476 } | |
| 477 | |
| 478 // Tests that ASSERT_DEATH can be used outside a TEST, TEST_F, or test fixture. | |
| 479 TEST_F(TestForDeathTest, OutsideFixture) { | |
| 480 DeathTestSubroutine(); | |
| 481 } | |
| 482 | |
| 483 // Tests that death tests can be done inside a loop. | |
| 484 TEST_F(TestForDeathTest, InsideLoop) { | |
| 485 for (int i = 0; i < 5; i++) { | |
| 486 EXPECT_DEATH(DieIfLessThan(-1, i), "DieIfLessThan") << "where i == " << i; | |
| 487 } | |
| 488 } | |
| 489 | |
| 490 // Tests that a compound statement can be used in a death test. | |
| 491 TEST_F(TestForDeathTest, CompoundStatement) { | |
| 492 EXPECT_DEATH({ // NOLINT | |
| 493 const int x = 2; | |
| 494 const int y = x + 1; | |
| 495 DieIfLessThan(x, y); | |
| 496 }, | |
| 497 "DieIfLessThan"); | |
| 498 } | |
| 499 | |
| 500 // Tests that code that doesn't die causes a death test to fail. | |
| 501 TEST_F(TestForDeathTest, DoesNotDie) { | |
| 502 EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(DieIf(false), "DieIf"), | |
| 503 "failed to die"); | |
| 504 } | |
| 505 | |
| 506 // Tests that a death test fails when the error message isn't expected. | |
| 507 TEST_F(TestForDeathTest, ErrorMessageMismatch) { | |
| 508 EXPECT_NONFATAL_FAILURE({ // NOLINT | |
| 509 EXPECT_DEATH(DieIf(true), "DieIfLessThan") << "End of death test message."; | |
| 510 }, "died but not with expected error"); | |
| 511 } | |
| 512 | |
| 513 // On exit, *aborted will be true iff the EXPECT_DEATH() statement | |
| 514 // aborted the function. | |
| 515 void ExpectDeathTestHelper(bool* aborted) { | |
| 516 *aborted = true; | |
| 517 EXPECT_DEATH(DieIf(false), "DieIf"); // This assertion should fail. | |
| 518 *aborted = false; | |
| 519 } | |
| 520 | |
| 521 // Tests that EXPECT_DEATH doesn't abort the test on failure. | |
| 522 TEST_F(TestForDeathTest, EXPECT_DEATH) { | |
| 523 bool aborted = true; | |
| 524 EXPECT_NONFATAL_FAILURE(ExpectDeathTestHelper(&aborted), | |
| 525 "failed to die"); | |
| 526 EXPECT_FALSE(aborted); | |
| 527 } | |
| 528 | |
| 529 // Tests that ASSERT_DEATH does abort the test on failure. | |
| 530 TEST_F(TestForDeathTest, ASSERT_DEATH) { | |
| 531 static bool aborted; | |
| 532 EXPECT_FATAL_FAILURE({ // NOLINT | |
| 533 aborted = true; | |
| 534 ASSERT_DEATH(DieIf(false), "DieIf"); // This assertion should fail. | |
| 535 aborted = false; | |
| 536 }, "failed to die"); | |
| 537 EXPECT_TRUE(aborted); | |
| 538 } | |
| 539 | |
| 540 // Tests that EXPECT_DEATH evaluates the arguments exactly once. | |
| 541 TEST_F(TestForDeathTest, SingleEvaluation) { | |
| 542 int x = 3; | |
| 543 EXPECT_DEATH(DieIf((++x) == 4), "DieIf"); | |
| 544 | |
| 545 const char* regex = "DieIf"; | |
| 546 const char* regex_save = regex; | |
| 547 EXPECT_DEATH(DieIfLessThan(3, 4), regex++); | |
| 548 EXPECT_EQ(regex_save + 1, regex); | |
| 549 } | |
| 550 | |
| 551 // Tests that run-away death tests are reported as failures. | |
| 552 TEST_F(TestForDeathTest, RunawayIsFailure) { | |
| 553 EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(static_cast<void>(0), "Foo"), | |
| 554 "failed to die."); | |
| 555 } | |
| 556 | |
| 557 // Tests that death tests report executing 'return' in the statement as | |
| 558 // failure. | |
| 559 TEST_F(TestForDeathTest, ReturnIsFailure) { | |
| 560 EXPECT_FATAL_FAILURE(ASSERT_DEATH(return, "Bar"), | |
| 561 "illegal return in test statement."); | |
| 562 } | |
| 563 | |
| 564 // Tests that EXPECT_DEBUG_DEATH works as expected, | |
| 565 // that is, in debug mode, it: | |
| 566 // 1. Asserts on death. | |
| 567 // 2. Has no side effect. | |
| 568 // | |
| 569 // And in opt mode, it: | |
| 570 // 1. Has side effects but does not assert. | |
| 571 TEST_F(TestForDeathTest, TestExpectDebugDeath) { | |
| 572 int sideeffect = 0; | |
| 573 | |
| 574 EXPECT_DEBUG_DEATH(DieInDebugElse12(&sideeffect), | |
| 575 "death.*DieInDebugElse12"); | |
| 576 | |
| 577 # ifdef NDEBUG | |
| 578 | |
| 579 // Checks that the assignment occurs in opt mode (sideeffect). | |
| 580 EXPECT_EQ(12, sideeffect); | |
| 581 | |
| 582 # else | |
| 583 | |
| 584 // Checks that the assignment does not occur in dbg mode (no sideeffect). | |
| 585 EXPECT_EQ(0, sideeffect); | |
| 586 | |
| 587 # endif | |
| 588 } | |
| 589 | |
| 590 // Tests that ASSERT_DEBUG_DEATH works as expected | |
| 591 // In debug mode: | |
| 592 // 1. Asserts on debug death. | |
| 593 // 2. Has no side effect. | |
| 594 // | |
| 595 // In opt mode: | |
| 596 // 1. Has side effects and returns the expected value (12). | |
| 597 TEST_F(TestForDeathTest, TestAssertDebugDeath) { | |
| 598 int sideeffect = 0; | |
| 599 | |
| 600 ASSERT_DEBUG_DEATH({ // NOLINT | |
| 601 // Tests that the return value is 12 in opt mode. | |
| 602 EXPECT_EQ(12, DieInDebugElse12(&sideeffect)); | |
| 603 // Tests that the side effect occurred in opt mode. | |
| 604 EXPECT_EQ(12, sideeffect); | |
| 605 }, "death.*DieInDebugElse12"); | |
| 606 | |
| 607 # ifdef NDEBUG | |
| 608 | |
| 609 // Checks that the assignment occurs in opt mode (sideeffect). | |
| 610 EXPECT_EQ(12, sideeffect); | |
| 611 | |
| 612 # else | |
| 613 | |
| 614 // Checks that the assignment does not occur in dbg mode (no sideeffect). | |
| 615 EXPECT_EQ(0, sideeffect); | |
| 616 | |
| 617 # endif | |
| 618 } | |
| 619 | |
| 620 # ifndef NDEBUG | |
| 621 | |
| 622 void ExpectDebugDeathHelper(bool* aborted) { | |
| 623 *aborted = true; | |
| 624 EXPECT_DEBUG_DEATH(return, "") << "This is expected to fail."; | |
| 625 *aborted = false; | |
| 626 } | |
| 627 | |
| 628 # if GTEST_OS_WINDOWS | |
| 629 TEST(PopUpDeathTest, DoesNotShowPopUpOnAbort) { | |
| 630 printf("This test should be considered failing if it shows " | |
| 631 "any pop-up dialogs.\n"); | |
| 632 fflush(stdout); | |
| 633 | |
| 634 EXPECT_DEATH({ | |
| 635 testing::GTEST_FLAG(catch_exceptions) = false; | |
| 636 abort(); | |
| 637 }, ""); | |
| 638 } | |
| 639 # endif // GTEST_OS_WINDOWS | |
| 640 | |
| 641 // Tests that EXPECT_DEBUG_DEATH in debug mode does not abort | |
| 642 // the function. | |
| 643 TEST_F(TestForDeathTest, ExpectDebugDeathDoesNotAbort) { | |
| 644 bool aborted = true; | |
| 645 EXPECT_NONFATAL_FAILURE(ExpectDebugDeathHelper(&aborted), ""); | |
| 646 EXPECT_FALSE(aborted); | |
| 647 } | |
| 648 | |
| 649 void AssertDebugDeathHelper(bool* aborted) { | |
| 650 *aborted = true; | |
| 651 ASSERT_DEBUG_DEATH(return, "") << "This is expected to fail."; | |
| 652 *aborted = false; | |
| 653 } | |
| 654 | |
| 655 // Tests that ASSERT_DEBUG_DEATH in debug mode aborts the function on | |
| 656 // failure. | |
| 657 TEST_F(TestForDeathTest, AssertDebugDeathAborts) { | |
| 658 static bool aborted; | |
| 659 aborted = false; | |
| 660 EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), ""); | |
| 661 EXPECT_TRUE(aborted); | |
| 662 } | |
| 663 | |
| 664 # endif // _NDEBUG | |
| 665 | |
| 666 // Tests the *_EXIT family of macros, using a variety of predicates. | |
| 667 static void TestExitMacros() { | |
| 668 EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), ""); | |
| 669 ASSERT_EXIT(_exit(42), testing::ExitedWithCode(42), ""); | |
| 670 | |
| 671 # if GTEST_OS_WINDOWS | |
| 672 | |
| 673 // Of all signals effects on the process exit code, only those of SIGABRT | |
| 674 // are documented on Windows. | |
| 675 // See http://msdn.microsoft.com/en-us/library/dwwzkt4c(VS.71).aspx. | |
| 676 EXPECT_EXIT(raise(SIGABRT), testing::ExitedWithCode(3), ""); | |
| 677 | |
| 678 # else | |
| 679 | |
| 680 EXPECT_EXIT(raise(SIGKILL), testing::KilledBySignal(SIGKILL), "") << "foo"; | |
| 681 ASSERT_EXIT(raise(SIGUSR2), testing::KilledBySignal(SIGUSR2), "") << "bar"; | |
| 682 | |
| 683 EXPECT_FATAL_FAILURE({ // NOLINT | |
| 684 ASSERT_EXIT(_exit(0), testing::KilledBySignal(SIGSEGV), "") | |
| 685 << "This failure is expected, too."; | |
| 686 }, "This failure is expected, too."); | |
| 687 | |
| 688 # endif // GTEST_OS_WINDOWS | |
| 689 | |
| 690 EXPECT_NONFATAL_FAILURE({ // NOLINT | |
| 691 EXPECT_EXIT(raise(SIGSEGV), testing::ExitedWithCode(0), "") | |
| 692 << "This failure is expected."; | |
| 693 }, "This failure is expected."); | |
| 694 } | |
| 695 | |
| 696 TEST_F(TestForDeathTest, ExitMacros) { | |
| 697 TestExitMacros(); | |
| 698 } | |
| 699 | |
| 700 TEST_F(TestForDeathTest, ExitMacrosUsingFork) { | |
| 701 testing::GTEST_FLAG(death_test_use_fork) = true; | |
| 702 TestExitMacros(); | |
| 703 } | |
| 704 | |
| 705 TEST_F(TestForDeathTest, InvalidStyle) { | |
| 706 testing::GTEST_FLAG(death_test_style) = "rococo"; | |
| 707 EXPECT_NONFATAL_FAILURE({ // NOLINT | |
| 708 EXPECT_DEATH(_exit(0), "") << "This failure is expected."; | |
| 709 }, "This failure is expected."); | |
| 710 } | |
| 711 | |
| 712 TEST_F(TestForDeathTest, DeathTestFailedOutput) { | |
| 713 testing::GTEST_FLAG(death_test_style) = "fast"; | |
| 714 EXPECT_NONFATAL_FAILURE( | |
| 715 EXPECT_DEATH(DieWithMessage("death\n"), | |
| 716 "expected message"), | |
| 717 "Actual msg:\n" | |
| 718 "[ DEATH ] death\n"); | |
| 719 } | |
| 720 | |
| 721 TEST_F(TestForDeathTest, DeathTestUnexpectedReturnOutput) { | |
| 722 testing::GTEST_FLAG(death_test_style) = "fast"; | |
| 723 EXPECT_NONFATAL_FAILURE( | |
| 724 EXPECT_DEATH({ | |
| 725 fprintf(stderr, "returning\n"); | |
| 726 fflush(stderr); | |
| 727 return; | |
| 728 }, ""), | |
| 729 " Result: illegal return in test statement.\n" | |
| 730 " Error msg:\n" | |
| 731 "[ DEATH ] returning\n"); | |
| 732 } | |
| 733 | |
| 734 TEST_F(TestForDeathTest, DeathTestBadExitCodeOutput) { | |
| 735 testing::GTEST_FLAG(death_test_style) = "fast"; | |
| 736 EXPECT_NONFATAL_FAILURE( | |
| 737 EXPECT_EXIT(DieWithMessage("exiting with rc 1\n"), | |
| 738 testing::ExitedWithCode(3), | |
| 739 "expected message"), | |
| 740 " Result: died but not with expected exit code:\n" | |
| 741 " Exited with exit status 1\n" | |
| 742 "Actual msg:\n" | |
| 743 "[ DEATH ] exiting with rc 1\n"); | |
| 744 } | |
| 745 | |
| 746 TEST_F(TestForDeathTest, DeathTestMultiLineMatchFail) { | |
| 747 testing::GTEST_FLAG(death_test_style) = "fast"; | |
| 748 EXPECT_NONFATAL_FAILURE( | |
| 749 EXPECT_DEATH(DieWithMessage("line 1\nline 2\nline 3\n"), | |
| 750 "line 1\nxyz\nline 3\n"), | |
| 751 "Actual msg:\n" | |
| 752 "[ DEATH ] line 1\n" | |
| 753 "[ DEATH ] line 2\n" | |
| 754 "[ DEATH ] line 3\n"); | |
| 755 } | |
| 756 | |
| 757 TEST_F(TestForDeathTest, DeathTestMultiLineMatchPass) { | |
| 758 testing::GTEST_FLAG(death_test_style) = "fast"; | |
| 759 EXPECT_DEATH(DieWithMessage("line 1\nline 2\nline 3\n"), | |
| 760 "line 1\nline 2\nline 3\n"); | |
| 761 } | |
| 762 | |
| 763 // A DeathTestFactory that returns MockDeathTests. | |
| 764 class MockDeathTestFactory : public DeathTestFactory { | |
| 765 public: | |
| 766 MockDeathTestFactory(); | |
| 767 virtual bool Create(const char* statement, | |
| 768 const ::testing::internal::RE* regex, | |
| 769 const char* file, int line, DeathTest** test); | |
| 770 | |
| 771 // Sets the parameters for subsequent calls to Create. | |
| 772 void SetParameters(bool create, DeathTest::TestRole role, | |
| 773 int status, bool passed); | |
| 774 | |
| 775 // Accessors. | |
| 776 int AssumeRoleCalls() const { return assume_role_calls_; } | |
| 777 int WaitCalls() const { return wait_calls_; } | |
| 778 int PassedCalls() const { return passed_args_.size(); } | |
| 779 bool PassedArgument(int n) const { return passed_args_[n]; } | |
| 780 int AbortCalls() const { return abort_args_.size(); } | |
| 781 DeathTest::AbortReason AbortArgument(int n) const { | |
| 782 return abort_args_[n]; | |
| 783 } | |
| 784 bool TestDeleted() const { return test_deleted_; } | |
| 785 | |
| 786 private: | |
| 787 friend class MockDeathTest; | |
| 788 // If true, Create will return a MockDeathTest; otherwise it returns | |
| 789 // NULL. | |
| 790 bool create_; | |
| 791 // The value a MockDeathTest will return from its AssumeRole method. | |
| 792 DeathTest::TestRole role_; | |
| 793 // The value a MockDeathTest will return from its Wait method. | |
| 794 int status_; | |
| 795 // The value a MockDeathTest will return from its Passed method. | |
| 796 bool passed_; | |
| 797 | |
| 798 // Number of times AssumeRole was called. | |
| 799 int assume_role_calls_; | |
| 800 // Number of times Wait was called. | |
| 801 int wait_calls_; | |
| 802 // The arguments to the calls to Passed since the last call to | |
| 803 // SetParameters. | |
| 804 std::vector<bool> passed_args_; | |
| 805 // The arguments to the calls to Abort since the last call to | |
| 806 // SetParameters. | |
| 807 std::vector<DeathTest::AbortReason> abort_args_; | |
| 808 // True if the last MockDeathTest returned by Create has been | |
| 809 // deleted. | |
| 810 bool test_deleted_; | |
| 811 }; | |
| 812 | |
| 813 | |
| 814 // A DeathTest implementation useful in testing. It returns values set | |
| 815 // at its creation from its various inherited DeathTest methods, and | |
| 816 // reports calls to those methods to its parent MockDeathTestFactory | |
| 817 // object. | |
| 818 class MockDeathTest : public DeathTest { | |
| 819 public: | |
| 820 MockDeathTest(MockDeathTestFactory *parent, | |
| 821 TestRole role, int status, bool passed) : | |
| 822 parent_(parent), role_(role), status_(status), passed_(passed) { | |
| 823 } | |
| 824 virtual ~MockDeathTest() { | |
| 825 parent_->test_deleted_ = true; | |
| 826 } | |
| 827 virtual TestRole AssumeRole() { | |
| 828 ++parent_->assume_role_calls_; | |
| 829 return role_; | |
| 830 } | |
| 831 virtual int Wait() { | |
| 832 ++parent_->wait_calls_; | |
| 833 return status_; | |
| 834 } | |
| 835 virtual bool Passed(bool exit_status_ok) { | |
| 836 parent_->passed_args_.push_back(exit_status_ok); | |
| 837 return passed_; | |
| 838 } | |
| 839 virtual void Abort(AbortReason reason) { | |
| 840 parent_->abort_args_.push_back(reason); | |
| 841 } | |
| 842 private: | |
| 843 MockDeathTestFactory* const parent_; | |
| 844 const TestRole role_; | |
| 845 const int status_; | |
| 846 const bool passed_; | |
| 847 }; | |
| 848 | |
| 849 | |
| 850 // MockDeathTestFactory constructor. | |
| 851 MockDeathTestFactory::MockDeathTestFactory() | |
| 852 : create_(true), | |
| 853 role_(DeathTest::OVERSEE_TEST), | |
| 854 status_(0), | |
| 855 passed_(true), | |
| 856 assume_role_calls_(0), | |
| 857 wait_calls_(0), | |
| 858 passed_args_(), | |
| 859 abort_args_() { | |
| 860 } | |
| 861 | |
| 862 | |
| 863 // Sets the parameters for subsequent calls to Create. | |
| 864 void MockDeathTestFactory::SetParameters(bool create, | |
| 865 DeathTest::TestRole role, | |
| 866 int status, bool passed) { | |
| 867 create_ = create; | |
| 868 role_ = role; | |
| 869 status_ = status; | |
| 870 passed_ = passed; | |
| 871 | |
| 872 assume_role_calls_ = 0; | |
| 873 wait_calls_ = 0; | |
| 874 passed_args_.clear(); | |
| 875 abort_args_.clear(); | |
| 876 } | |
| 877 | |
| 878 | |
| 879 // Sets test to NULL (if create_ is false) or to the address of a new | |
| 880 // MockDeathTest object with parameters taken from the last call | |
| 881 // to SetParameters (if create_ is true). Always returns true. | |
| 882 bool MockDeathTestFactory::Create(const char* /*statement*/, | |
| 883 const ::testing::internal::RE* /*regex*/, | |
| 884 const char* /*file*/, | |
| 885 int /*line*/, | |
| 886 DeathTest** test) { | |
| 887 test_deleted_ = false; | |
| 888 if (create_) { | |
| 889 *test = new MockDeathTest(this, role_, status_, passed_); | |
| 890 } else { | |
| 891 *test = NULL; | |
| 892 } | |
| 893 return true; | |
| 894 } | |
| 895 | |
| 896 // A test fixture for testing the logic of the GTEST_DEATH_TEST_ macro. | |
| 897 // It installs a MockDeathTestFactory that is used for the duration | |
| 898 // of the test case. | |
| 899 class MacroLogicDeathTest : public testing::Test { | |
| 900 protected: | |
| 901 static testing::internal::ReplaceDeathTestFactory* replacer_; | |
| 902 static MockDeathTestFactory* factory_; | |
| 903 | |
| 904 static void SetUpTestCase() { | |
| 905 factory_ = new MockDeathTestFactory; | |
| 906 replacer_ = new testing::internal::ReplaceDeathTestFactory(factory_); | |
| 907 } | |
| 908 | |
| 909 static void TearDownTestCase() { | |
| 910 delete replacer_; | |
| 911 replacer_ = NULL; | |
| 912 delete factory_; | |
| 913 factory_ = NULL; | |
| 914 } | |
| 915 | |
| 916 // Runs a death test that breaks the rules by returning. Such a death | |
| 917 // test cannot be run directly from a test routine that uses a | |
| 918 // MockDeathTest, or the remainder of the routine will not be executed. | |
| 919 static void RunReturningDeathTest(bool* flag) { | |
| 920 ASSERT_DEATH({ // NOLINT | |
| 921 *flag = true; | |
| 922 return; | |
| 923 }, ""); | |
| 924 } | |
| 925 }; | |
| 926 | |
| 927 testing::internal::ReplaceDeathTestFactory* MacroLogicDeathTest::replacer_ | |
| 928 = NULL; | |
| 929 MockDeathTestFactory* MacroLogicDeathTest::factory_ = NULL; | |
| 930 | |
| 931 | |
| 932 // Test that nothing happens when the factory doesn't return a DeathTest: | |
| 933 TEST_F(MacroLogicDeathTest, NothingHappens) { | |
| 934 bool flag = false; | |
| 935 factory_->SetParameters(false, DeathTest::OVERSEE_TEST, 0, true); | |
| 936 EXPECT_DEATH(flag = true, ""); | |
| 937 EXPECT_FALSE(flag); | |
| 938 EXPECT_EQ(0, factory_->AssumeRoleCalls()); | |
| 939 EXPECT_EQ(0, factory_->WaitCalls()); | |
| 940 EXPECT_EQ(0, factory_->PassedCalls()); | |
| 941 EXPECT_EQ(0, factory_->AbortCalls()); | |
| 942 EXPECT_FALSE(factory_->TestDeleted()); | |
| 943 } | |
| 944 | |
| 945 // Test that the parent process doesn't run the death test code, | |
| 946 // and that the Passed method returns false when the (simulated) | |
| 947 // child process exits with status 0: | |
| 948 TEST_F(MacroLogicDeathTest, ChildExitsSuccessfully) { | |
| 949 bool flag = false; | |
| 950 factory_->SetParameters(true, DeathTest::OVERSEE_TEST, 0, true); | |
| 951 EXPECT_DEATH(flag = true, ""); | |
| 952 EXPECT_FALSE(flag); | |
| 953 EXPECT_EQ(1, factory_->AssumeRoleCalls()); | |
| 954 EXPECT_EQ(1, factory_->WaitCalls()); | |
| 955 ASSERT_EQ(1, factory_->PassedCalls()); | |
| 956 EXPECT_FALSE(factory_->PassedArgument(0)); | |
| 957 EXPECT_EQ(0, factory_->AbortCalls()); | |
| 958 EXPECT_TRUE(factory_->TestDeleted()); | |
| 959 } | |
| 960 | |
| 961 // Tests that the Passed method was given the argument "true" when | |
| 962 // the (simulated) child process exits with status 1: | |
| 963 TEST_F(MacroLogicDeathTest, ChildExitsUnsuccessfully) { | |
| 964 bool flag = false; | |
| 965 factory_->SetParameters(true, DeathTest::OVERSEE_TEST, 1, true); | |
| 966 EXPECT_DEATH(flag = true, ""); | |
| 967 EXPECT_FALSE(flag); | |
| 968 EXPECT_EQ(1, factory_->AssumeRoleCalls()); | |
| 969 EXPECT_EQ(1, factory_->WaitCalls()); | |
| 970 ASSERT_EQ(1, factory_->PassedCalls()); | |
| 971 EXPECT_TRUE(factory_->PassedArgument(0)); | |
| 972 EXPECT_EQ(0, factory_->AbortCalls()); | |
| 973 EXPECT_TRUE(factory_->TestDeleted()); | |
| 974 } | |
| 975 | |
| 976 // Tests that the (simulated) child process executes the death test | |
| 977 // code, and is aborted with the correct AbortReason if it | |
| 978 // executes a return statement. | |
| 979 TEST_F(MacroLogicDeathTest, ChildPerformsReturn) { | |
| 980 bool flag = false; | |
| 981 factory_->SetParameters(true, DeathTest::EXECUTE_TEST, 0, true); | |
| 982 RunReturningDeathTest(&flag); | |
| 983 EXPECT_TRUE(flag); | |
| 984 EXPECT_EQ(1, factory_->AssumeRoleCalls()); | |
| 985 EXPECT_EQ(0, factory_->WaitCalls()); | |
| 986 EXPECT_EQ(0, factory_->PassedCalls()); | |
| 987 EXPECT_EQ(1, factory_->AbortCalls()); | |
| 988 EXPECT_EQ(DeathTest::TEST_ENCOUNTERED_RETURN_STATEMENT, | |
| 989 factory_->AbortArgument(0)); | |
| 990 EXPECT_TRUE(factory_->TestDeleted()); | |
| 991 } | |
| 992 | |
| 993 // Tests that the (simulated) child process is aborted with the | |
| 994 // correct AbortReason if it does not die. | |
| 995 TEST_F(MacroLogicDeathTest, ChildDoesNotDie) { | |
| 996 bool flag = false; | |
| 997 factory_->SetParameters(true, DeathTest::EXECUTE_TEST, 0, true); | |
| 998 EXPECT_DEATH(flag = true, ""); | |
| 999 EXPECT_TRUE(flag); | |
| 1000 EXPECT_EQ(1, factory_->AssumeRoleCalls()); | |
| 1001 EXPECT_EQ(0, factory_->WaitCalls()); | |
| 1002 EXPECT_EQ(0, factory_->PassedCalls()); | |
| 1003 // This time there are two calls to Abort: one since the test didn't | |
| 1004 // die, and another from the ReturnSentinel when it's destroyed. The | |
| 1005 // sentinel normally isn't destroyed if a test doesn't die, since | |
| 1006 // _exit(2) is called in that case by ForkingDeathTest, but not by | |
| 1007 // our MockDeathTest. | |
| 1008 ASSERT_EQ(2, factory_->AbortCalls()); | |
| 1009 EXPECT_EQ(DeathTest::TEST_DID_NOT_DIE, | |
| 1010 factory_->AbortArgument(0)); | |
| 1011 EXPECT_EQ(DeathTest::TEST_ENCOUNTERED_RETURN_STATEMENT, | |
| 1012 factory_->AbortArgument(1)); | |
| 1013 EXPECT_TRUE(factory_->TestDeleted()); | |
| 1014 } | |
| 1015 | |
| 1016 // Tests that a successful death test does not register a successful | |
| 1017 // test part. | |
| 1018 TEST(SuccessRegistrationDeathTest, NoSuccessPart) { | |
| 1019 EXPECT_DEATH(_exit(1), ""); | |
| 1020 EXPECT_EQ(0, GetUnitTestImpl()->current_test_result()->total_part_count()); | |
| 1021 } | |
| 1022 | |
| 1023 TEST(StreamingAssertionsDeathTest, DeathTest) { | |
| 1024 EXPECT_DEATH(_exit(1), "") << "unexpected failure"; | |
| 1025 ASSERT_DEATH(_exit(1), "") << "unexpected failure"; | |
| 1026 EXPECT_NONFATAL_FAILURE({ // NOLINT | |
| 1027 EXPECT_DEATH(_exit(0), "") << "expected failure"; | |
| 1028 }, "expected failure"); | |
| 1029 EXPECT_FATAL_FAILURE({ // NOLINT | |
| 1030 ASSERT_DEATH(_exit(0), "") << "expected failure"; | |
| 1031 }, "expected failure"); | |
| 1032 } | |
| 1033 | |
| 1034 // Tests that GetLastErrnoDescription returns an empty string when the | |
| 1035 // last error is 0 and non-empty string when it is non-zero. | |
| 1036 TEST(GetLastErrnoDescription, GetLastErrnoDescriptionWorks) { | |
| 1037 errno = ENOENT; | |
| 1038 EXPECT_STRNE("", GetLastErrnoDescription().c_str()); | |
| 1039 errno = 0; | |
| 1040 EXPECT_STREQ("", GetLastErrnoDescription().c_str()); | |
| 1041 } | |
| 1042 | |
| 1043 # if GTEST_OS_WINDOWS | |
| 1044 TEST(AutoHandleTest, AutoHandleWorks) { | |
| 1045 HANDLE handle = ::CreateEvent(NULL, FALSE, FALSE, NULL); | |
| 1046 ASSERT_NE(INVALID_HANDLE_VALUE, handle); | |
| 1047 | |
| 1048 // Tests that the AutoHandle is correctly initialized with a handle. | |
| 1049 testing::internal::AutoHandle auto_handle(handle); | |
| 1050 EXPECT_EQ(handle, auto_handle.Get()); | |
| 1051 | |
| 1052 // Tests that Reset assigns INVALID_HANDLE_VALUE. | |
| 1053 // Note that this cannot verify whether the original handle is closed. | |
| 1054 auto_handle.Reset(); | |
| 1055 EXPECT_EQ(INVALID_HANDLE_VALUE, auto_handle.Get()); | |
| 1056 | |
| 1057 // Tests that Reset assigns the new handle. | |
| 1058 // Note that this cannot verify whether the original handle is closed. | |
| 1059 handle = ::CreateEvent(NULL, FALSE, FALSE, NULL); | |
| 1060 ASSERT_NE(INVALID_HANDLE_VALUE, handle); | |
| 1061 auto_handle.Reset(handle); | |
| 1062 EXPECT_EQ(handle, auto_handle.Get()); | |
| 1063 | |
| 1064 // Tests that AutoHandle contains INVALID_HANDLE_VALUE by default. | |
| 1065 testing::internal::AutoHandle auto_handle2; | |
| 1066 EXPECT_EQ(INVALID_HANDLE_VALUE, auto_handle2.Get()); | |
| 1067 } | |
| 1068 # endif // GTEST_OS_WINDOWS | |
| 1069 | |
| 1070 # if GTEST_OS_WINDOWS | |
| 1071 typedef unsigned __int64 BiggestParsable; | |
| 1072 typedef signed __int64 BiggestSignedParsable; | |
| 1073 const BiggestParsable kBiggestParsableMax = ULLONG_MAX; | |
| 1074 const BiggestSignedParsable kBiggestSignedParsableMax = LLONG_MAX; | |
| 1075 # else | |
| 1076 typedef unsigned long long BiggestParsable; | |
| 1077 typedef signed long long BiggestSignedParsable; | |
| 1078 const BiggestParsable kBiggestParsableMax = | |
| 1079 ::std::numeric_limits<BiggestParsable>::max(); | |
| 1080 const BiggestSignedParsable kBiggestSignedParsableMax = | |
| 1081 ::std::numeric_limits<BiggestSignedParsable>::max(); | |
| 1082 # endif // GTEST_OS_WINDOWS | |
| 1083 | |
| 1084 TEST(ParseNaturalNumberTest, RejectsInvalidFormat) { | |
| 1085 BiggestParsable result = 0; | |
| 1086 | |
| 1087 // Rejects non-numbers. | |
| 1088 EXPECT_FALSE(ParseNaturalNumber(String("non-number string"), &result)); | |
| 1089 | |
| 1090 // Rejects numbers with whitespace prefix. | |
| 1091 EXPECT_FALSE(ParseNaturalNumber(String(" 123"), &result)); | |
| 1092 | |
| 1093 // Rejects negative numbers. | |
| 1094 EXPECT_FALSE(ParseNaturalNumber(String("-123"), &result)); | |
| 1095 | |
| 1096 // Rejects numbers starting with a plus sign. | |
| 1097 EXPECT_FALSE(ParseNaturalNumber(String("+123"), &result)); | |
| 1098 errno = 0; | |
| 1099 } | |
| 1100 | |
| 1101 TEST(ParseNaturalNumberTest, RejectsOverflownNumbers) { | |
| 1102 BiggestParsable result = 0; | |
| 1103 | |
| 1104 EXPECT_FALSE(ParseNaturalNumber(String("99999999999999999999999"), &result)); | |
| 1105 | |
| 1106 signed char char_result = 0; | |
| 1107 EXPECT_FALSE(ParseNaturalNumber(String("200"), &char_result)); | |
| 1108 errno = 0; | |
| 1109 } | |
| 1110 | |
| 1111 TEST(ParseNaturalNumberTest, AcceptsValidNumbers) { | |
| 1112 BiggestParsable result = 0; | |
| 1113 | |
| 1114 result = 0; | |
| 1115 ASSERT_TRUE(ParseNaturalNumber(String("123"), &result)); | |
| 1116 EXPECT_EQ(123U, result); | |
| 1117 | |
| 1118 // Check 0 as an edge case. | |
| 1119 result = 1; | |
| 1120 ASSERT_TRUE(ParseNaturalNumber(String("0"), &result)); | |
| 1121 EXPECT_EQ(0U, result); | |
| 1122 | |
| 1123 result = 1; | |
| 1124 ASSERT_TRUE(ParseNaturalNumber(String("00000"), &result)); | |
| 1125 EXPECT_EQ(0U, result); | |
| 1126 } | |
| 1127 | |
| 1128 TEST(ParseNaturalNumberTest, AcceptsTypeLimits) { | |
| 1129 Message msg; | |
| 1130 msg << kBiggestParsableMax; | |
| 1131 | |
| 1132 BiggestParsable result = 0; | |
| 1133 EXPECT_TRUE(ParseNaturalNumber(msg.GetString(), &result)); | |
| 1134 EXPECT_EQ(kBiggestParsableMax, result); | |
| 1135 | |
| 1136 Message msg2; | |
| 1137 msg2 << kBiggestSignedParsableMax; | |
| 1138 | |
| 1139 BiggestSignedParsable signed_result = 0; | |
| 1140 EXPECT_TRUE(ParseNaturalNumber(msg2.GetString(), &signed_result)); | |
| 1141 EXPECT_EQ(kBiggestSignedParsableMax, signed_result); | |
| 1142 | |
| 1143 Message msg3; | |
| 1144 msg3 << INT_MAX; | |
| 1145 | |
| 1146 int int_result = 0; | |
| 1147 EXPECT_TRUE(ParseNaturalNumber(msg3.GetString(), &int_result)); | |
| 1148 EXPECT_EQ(INT_MAX, int_result); | |
| 1149 | |
| 1150 Message msg4; | |
| 1151 msg4 << UINT_MAX; | |
| 1152 | |
| 1153 unsigned int uint_result = 0; | |
| 1154 EXPECT_TRUE(ParseNaturalNumber(msg4.GetString(), &uint_result)); | |
| 1155 EXPECT_EQ(UINT_MAX, uint_result); | |
| 1156 } | |
| 1157 | |
| 1158 TEST(ParseNaturalNumberTest, WorksForShorterIntegers) { | |
| 1159 short short_result = 0; | |
| 1160 ASSERT_TRUE(ParseNaturalNumber(String("123"), &short_result)); | |
| 1161 EXPECT_EQ(123, short_result); | |
| 1162 | |
| 1163 signed char char_result = 0; | |
| 1164 ASSERT_TRUE(ParseNaturalNumber(String("123"), &char_result)); | |
| 1165 EXPECT_EQ(123, char_result); | |
| 1166 } | |
| 1167 | |
| 1168 # if GTEST_OS_WINDOWS | |
| 1169 TEST(EnvironmentTest, HandleFitsIntoSizeT) { | |
| 1170 // TODO(vladl@google.com): Remove this test after this condition is verified | |
| 1171 // in a static assertion in gtest-death-test.cc in the function | |
| 1172 // GetStatusFileDescriptor. | |
| 1173 ASSERT_TRUE(sizeof(HANDLE) <= sizeof(size_t)); | |
| 1174 } | |
| 1175 # endif // GTEST_OS_WINDOWS | |
| 1176 | |
| 1177 // Tests that EXPECT_DEATH_IF_SUPPORTED/ASSERT_DEATH_IF_SUPPORTED trigger | |
| 1178 // failures when death tests are available on the system. | |
| 1179 TEST(ConditionalDeathMacrosDeathTest, ExpectsDeathWhenDeathTestsAvailable) { | |
| 1180 EXPECT_DEATH_IF_SUPPORTED(DieInside("CondDeathTestExpectMacro"), | |
| 1181 "death inside CondDeathTestExpectMacro"); | |
| 1182 ASSERT_DEATH_IF_SUPPORTED(DieInside("CondDeathTestAssertMacro"), | |
| 1183 "death inside CondDeathTestAssertMacro"); | |
| 1184 | |
| 1185 // Empty statement will not crash, which must trigger a failure. | |
| 1186 EXPECT_NONFATAL_FAILURE(EXPECT_DEATH_IF_SUPPORTED(;, ""), ""); | |
| 1187 EXPECT_FATAL_FAILURE(ASSERT_DEATH_IF_SUPPORTED(;, ""), ""); | |
| 1188 } | |
| 1189 | |
| 1190 #else | |
| 1191 | |
| 1192 using testing::internal::CaptureStderr; | |
| 1193 using testing::internal::GetCapturedStderr; | |
| 1194 using testing::internal::String; | |
| 1195 | |
| 1196 // Tests that EXPECT_DEATH_IF_SUPPORTED/ASSERT_DEATH_IF_SUPPORTED are still | |
| 1197 // defined but do not trigger failures when death tests are not available on | |
| 1198 // the system. | |
| 1199 TEST(ConditionalDeathMacrosTest, WarnsWhenDeathTestsNotAvailable) { | |
| 1200 // Empty statement will not crash, but that should not trigger a failure | |
| 1201 // when death tests are not supported. | |
| 1202 CaptureStderr(); | |
| 1203 EXPECT_DEATH_IF_SUPPORTED(;, ""); | |
| 1204 String output = GetCapturedStderr(); | |
| 1205 ASSERT_TRUE(NULL != strstr(output.c_str(), | |
| 1206 "Death tests are not supported on this platform")); | |
| 1207 ASSERT_TRUE(NULL != strstr(output.c_str(), ";")); | |
| 1208 | |
| 1209 // The streamed message should not be printed as there is no test failure. | |
| 1210 CaptureStderr(); | |
| 1211 EXPECT_DEATH_IF_SUPPORTED(;, "") << "streamed message"; | |
| 1212 output = GetCapturedStderr(); | |
| 1213 ASSERT_TRUE(NULL == strstr(output.c_str(), "streamed message")); | |
| 1214 | |
| 1215 CaptureStderr(); | |
| 1216 ASSERT_DEATH_IF_SUPPORTED(;, ""); // NOLINT | |
| 1217 output = GetCapturedStderr(); | |
| 1218 ASSERT_TRUE(NULL != strstr(output.c_str(), | |
| 1219 "Death tests are not supported on this platform")); | |
| 1220 ASSERT_TRUE(NULL != strstr(output.c_str(), ";")); | |
| 1221 | |
| 1222 CaptureStderr(); | |
| 1223 ASSERT_DEATH_IF_SUPPORTED(;, "") << "streamed message"; // NOLINT | |
| 1224 output = GetCapturedStderr(); | |
| 1225 ASSERT_TRUE(NULL == strstr(output.c_str(), "streamed message")); | |
| 1226 } | |
| 1227 | |
| 1228 void FuncWithAssert(int* n) { | |
| 1229 ASSERT_DEATH_IF_SUPPORTED(return;, ""); | |
| 1230 (*n)++; | |
| 1231 } | |
| 1232 | |
| 1233 // Tests that ASSERT_DEATH_IF_SUPPORTED does not return from the current | |
| 1234 // function (as ASSERT_DEATH does) if death tests are not supported. | |
| 1235 TEST(ConditionalDeathMacrosTest, AssertDeatDoesNotReturnhIfUnsupported) { | |
| 1236 int n = 0; | |
| 1237 FuncWithAssert(&n); | |
| 1238 EXPECT_EQ(1, n); | |
| 1239 } | |
| 1240 #endif // GTEST_HAS_DEATH_TEST | |
| 1241 | |
| 1242 // Tests that the death test macros expand to code which may or may not | |
| 1243 // be followed by operator<<, and that in either case the complete text | |
| 1244 // comprises only a single C++ statement. | |
| 1245 // | |
| 1246 // The syntax should work whether death tests are available or not. | |
| 1247 TEST(ConditionalDeathMacrosSyntaxDeathTest, SingleStatement) { | |
| 1248 if (AlwaysFalse()) | |
| 1249 // This would fail if executed; this is a compilation test only | |
| 1250 ASSERT_DEATH_IF_SUPPORTED(return, ""); | |
| 1251 | |
| 1252 if (AlwaysTrue()) | |
| 1253 EXPECT_DEATH_IF_SUPPORTED(_exit(1), ""); | |
| 1254 else | |
| 1255 // This empty "else" branch is meant to ensure that EXPECT_DEATH | |
| 1256 // doesn't expand into an "if" statement without an "else" | |
| 1257 ; // NOLINT | |
| 1258 | |
| 1259 if (AlwaysFalse()) | |
| 1260 ASSERT_DEATH_IF_SUPPORTED(return, "") << "did not die"; | |
| 1261 | |
| 1262 if (AlwaysFalse()) | |
| 1263 ; // NOLINT | |
| 1264 else | |
| 1265 EXPECT_DEATH_IF_SUPPORTED(_exit(1), "") << 1 << 2 << 3; | |
| 1266 } | |
| 1267 | |
| 1268 // Tests that conditional death test macros expand to code which interacts | |
| 1269 // well with switch statements. | |
| 1270 TEST(ConditionalDeathMacrosSyntaxDeathTest, SwitchStatement) { | |
| 1271 // Microsoft compiler usually complains about switch statements without | |
| 1272 // case labels. We suppress that warning for this test. | |
| 1273 #ifdef _MSC_VER | |
| 1274 # pragma warning(push) | |
| 1275 # pragma warning(disable: 4065) | |
| 1276 #endif // _MSC_VER | |
| 1277 | |
| 1278 switch (0) | |
| 1279 default: | |
| 1280 ASSERT_DEATH_IF_SUPPORTED(_exit(1), "") | |
| 1281 << "exit in default switch handler"; | |
| 1282 | |
| 1283 switch (0) | |
| 1284 case 0: | |
| 1285 EXPECT_DEATH_IF_SUPPORTED(_exit(1), "") << "exit in switch case"; | |
| 1286 | |
| 1287 #ifdef _MSC_VER | |
| 1288 # pragma warning(pop) | |
| 1289 #endif // _MSC_VER | |
| 1290 } | |
| 1291 | |
| 1292 // Tests that a test case whose name ends with "DeathTest" works fine | |
| 1293 // on Windows. | |
| 1294 TEST(NotADeathTest, Test) { | |
| 1295 SUCCEED(); | |
| 1296 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 47873006:
libvpx: Pull from upstream (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/