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31 // Tests for death tests.
33 #include "gtest/gtest-death-test.h"
35 #include "gtest/gtest.h"
36 #include "gtest/internal/gtest-filepath.h"
38 using testing::internal::AlwaysFalse;
39 using testing::internal::AlwaysTrue;
41 #if GTEST_HAS_DEATH_TEST
44 # include <fcntl.h> // For O_BINARY
45 # include <direct.h> // For chdir().
49 # include <sys/wait.h> // For waitpid.
50 # endif // GTEST_OS_WINDOWS
57 # include <sys/time.h>
58 # endif // GTEST_OS_LINUX
60 # include "gtest/gtest-spi.h"
61 # include "src/gtest-internal-inl.h"
63 namespace posix = ::testing::internal::posix;
65 using testing::ContainsRegex;
66 using testing::Matcher;
67 using testing::Message;
68 using testing::internal::DeathTest;
69 using testing::internal::DeathTestFactory;
70 using testing::internal::FilePath;
71 using testing::internal::GetLastErrnoDescription;
72 using testing::internal::GetUnitTestImpl;
73 using testing::internal::InDeathTestChild;
74 using testing::internal::ParseNaturalNumber;
79 // A helper class whose objects replace the death test factory for a
80 // single UnitTest object during their lifetimes.
81 class ReplaceDeathTestFactory {
83 explicit ReplaceDeathTestFactory(DeathTestFactory* new_factory)
84 : unit_test_impl_(GetUnitTestImpl()) {
85 old_factory_ = unit_test_impl_->death_test_factory_.release();
86 unit_test_impl_->death_test_factory_.reset(new_factory);
89 ~ReplaceDeathTestFactory() {
90 unit_test_impl_->death_test_factory_.release();
91 unit_test_impl_->death_test_factory_.reset(old_factory_);
94 // Prevents copying ReplaceDeathTestFactory objects.
95 ReplaceDeathTestFactory(const ReplaceDeathTestFactory&);
96 void operator=(const ReplaceDeathTestFactory&);
98 UnitTestImpl* unit_test_impl_;
99 DeathTestFactory* old_factory_;
102 } // namespace internal
103 } // namespace testing
107 void DieWithMessage(const ::std::string& message) {
108 fprintf(stderr, "%s", message.c_str());
109 fflush(stderr); // Make sure the text is printed before the process exits.
111 // We call _exit() instead of exit(), as the former is a direct
112 // system call and thus safer in the presence of threads. exit()
113 // will invoke user-defined exit-hooks, which may do dangerous
114 // things that conflict with death tests.
116 // Some compilers can recognize that _exit() never returns and issue the
117 // 'unreachable code' warning for code following this function, unless
118 // fooled by a fake condition.
123 void DieInside(const ::std::string& function) {
124 DieWithMessage("death inside " + function + "().");
127 // Tests that death tests work.
129 class TestForDeathTest : public testing::Test {
131 TestForDeathTest() : original_dir_(FilePath::GetCurrentDir()) {}
133 ~TestForDeathTest() override { posix::ChDir(original_dir_.c_str()); }
135 // A static member function that's expected to die.
136 static void StaticMemberFunction() { DieInside("StaticMemberFunction"); }
138 // A method of the test fixture that may die.
139 void MemberFunction() {
141 DieInside("MemberFunction");
144 // True if and only if MemberFunction() should die.
146 const FilePath original_dir_;
149 // A class with a member function that may die.
152 explicit MayDie(bool should_die) : should_die_(should_die) {}
154 // A member function that may die.
155 void MemberFunction() const {
157 DieInside("MayDie::MemberFunction");
161 // True if and only if MemberFunction() should die.
165 // A global function that's expected to die.
166 void GlobalFunction() { DieInside("GlobalFunction"); }
168 // A non-void function that's expected to die.
169 int NonVoidFunction() {
170 DieInside("NonVoidFunction");
174 // A unary function that may die.
175 void DieIf(bool should_die) {
180 // A binary function that may die.
181 bool DieIfLessThan(int x, int y) {
183 DieInside("DieIfLessThan");
188 // Tests that ASSERT_DEATH can be used outside a TEST, TEST_F, or test fixture.
189 void DeathTestSubroutine() {
190 EXPECT_DEATH(GlobalFunction(), "death.*GlobalFunction");
191 ASSERT_DEATH(GlobalFunction(), "death.*GlobalFunction");
194 // Death in dbg, not opt.
195 int DieInDebugElse12(int* sideeffect) {
196 if (sideeffect) *sideeffect = 12;
200 DieInside("DieInDebugElse12");
207 # if GTEST_OS_WINDOWS
209 // Death in dbg due to Windows CRT assertion failure, not opt.
210 int DieInCRTDebugElse12(int* sideeffect) {
211 if (sideeffect) *sideeffect = 12;
213 // Create an invalid fd by closing a valid one
215 EXPECT_EQ(_pipe(fdpipe, 256, O_BINARY), 0);
216 EXPECT_EQ(_close(fdpipe[0]), 0);
217 EXPECT_EQ(_close(fdpipe[1]), 0);
219 // _dup() should crash in debug mode
220 EXPECT_EQ(_dup(fdpipe[0]), -1);
225 #endif // GTEST_OS_WINDOWS
227 # if GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA
229 // Tests the ExitedWithCode predicate.
230 TEST(ExitStatusPredicateTest, ExitedWithCode) {
231 // On Windows, the process's exit code is the same as its exit status,
232 // so the predicate just compares the its input with its parameter.
233 EXPECT_TRUE(testing::ExitedWithCode(0)(0));
234 EXPECT_TRUE(testing::ExitedWithCode(1)(1));
235 EXPECT_TRUE(testing::ExitedWithCode(42)(42));
236 EXPECT_FALSE(testing::ExitedWithCode(0)(1));
237 EXPECT_FALSE(testing::ExitedWithCode(1)(0));
242 // Returns the exit status of a process that calls _exit(2) with a
243 // given exit code. This is a helper function for the
244 // ExitStatusPredicateTest test suite.
245 static int NormalExitStatus(int exit_code) {
246 pid_t child_pid = fork();
247 if (child_pid == 0) {
251 waitpid(child_pid, &status, 0);
255 // Returns the exit status of a process that raises a given signal.
256 // If the signal does not cause the process to die, then it returns
257 // instead the exit status of a process that exits normally with exit
258 // code 1. This is a helper function for the ExitStatusPredicateTest
260 static int KilledExitStatus(int signum) {
261 pid_t child_pid = fork();
262 if (child_pid == 0) {
267 waitpid(child_pid, &status, 0);
271 // Tests the ExitedWithCode predicate.
272 TEST(ExitStatusPredicateTest, ExitedWithCode) {
273 const int status0 = NormalExitStatus(0);
274 const int status1 = NormalExitStatus(1);
275 const int status42 = NormalExitStatus(42);
276 const testing::ExitedWithCode pred0(0);
277 const testing::ExitedWithCode pred1(1);
278 const testing::ExitedWithCode pred42(42);
279 EXPECT_PRED1(pred0, status0);
280 EXPECT_PRED1(pred1, status1);
281 EXPECT_PRED1(pred42, status42);
282 EXPECT_FALSE(pred0(status1));
283 EXPECT_FALSE(pred42(status0));
284 EXPECT_FALSE(pred1(status42));
287 // Tests the KilledBySignal predicate.
288 TEST(ExitStatusPredicateTest, KilledBySignal) {
289 const int status_segv = KilledExitStatus(SIGSEGV);
290 const int status_kill = KilledExitStatus(SIGKILL);
291 const testing::KilledBySignal pred_segv(SIGSEGV);
292 const testing::KilledBySignal pred_kill(SIGKILL);
293 EXPECT_PRED1(pred_segv, status_segv);
294 EXPECT_PRED1(pred_kill, status_kill);
295 EXPECT_FALSE(pred_segv(status_kill));
296 EXPECT_FALSE(pred_kill(status_segv));
299 # endif // GTEST_OS_WINDOWS || GTEST_OS_FUCHSIA
301 // Tests that the death test macros expand to code which may or may not
302 // be followed by operator<<, and that in either case the complete text
303 // comprises only a single C++ statement.
304 TEST_F(TestForDeathTest, SingleStatement) {
306 // This would fail if executed; this is a compilation test only
307 ASSERT_DEATH(return, "");
310 EXPECT_DEATH(_exit(1), "");
312 // This empty "else" branch is meant to ensure that EXPECT_DEATH
313 // doesn't expand into an "if" statement without an "else"
317 ASSERT_DEATH(return, "") << "did not die";
322 EXPECT_DEATH(_exit(1), "") << 1 << 2 << 3;
327 void DieWithEmbeddedNul() {
328 fprintf(stderr, "Hello%cmy null world.\n", '\0');
333 // Tests that EXPECT_DEATH and ASSERT_DEATH work when the error
334 // message has a NUL character in it.
335 TEST_F(TestForDeathTest, EmbeddedNulInMessage) {
336 EXPECT_DEATH(DieWithEmbeddedNul(), "my null world");
337 ASSERT_DEATH(DieWithEmbeddedNul(), "my null world");
340 # endif // GTEST_USES_PCRE
342 // Tests that death test macros expand to code which interacts well with switch
344 TEST_F(TestForDeathTest, SwitchStatement) {
345 // Microsoft compiler usually complains about switch statements without
346 // case labels. We suppress that warning for this test.
347 GTEST_DISABLE_MSC_WARNINGS_PUSH_(4065)
351 ASSERT_DEATH(_exit(1), "") << "exit in default switch handler";
355 EXPECT_DEATH(_exit(1), "") << "exit in switch case";
357 GTEST_DISABLE_MSC_WARNINGS_POP_()
360 // Tests that a static member function can be used in a "fast" style
362 TEST_F(TestForDeathTest, StaticMemberFunctionFastStyle) {
363 testing::GTEST_FLAG(death_test_style) = "fast";
364 ASSERT_DEATH(StaticMemberFunction(), "death.*StaticMember");
367 // Tests that a method of the test fixture can be used in a "fast"
369 TEST_F(TestForDeathTest, MemberFunctionFastStyle) {
370 testing::GTEST_FLAG(death_test_style) = "fast";
372 EXPECT_DEATH(MemberFunction(), "inside.*MemberFunction");
375 void ChangeToRootDir() { posix::ChDir(GTEST_PATH_SEP_); }
377 // Tests that death tests work even if the current directory has been
379 TEST_F(TestForDeathTest, FastDeathTestInChangedDir) {
380 testing::GTEST_FLAG(death_test_style) = "fast";
383 EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), "");
386 ASSERT_DEATH(_exit(1), "");
390 void SigprofAction(int, siginfo_t*, void*) { /* no op */ }
392 // Sets SIGPROF action and ITIMER_PROF timer (interval: 1ms).
393 void SetSigprofActionAndTimer() {
394 struct itimerval timer;
395 timer.it_interval.tv_sec = 0;
396 timer.it_interval.tv_usec = 1;
397 timer.it_value = timer.it_interval;
398 ASSERT_EQ(0, setitimer(ITIMER_PROF, &timer, nullptr));
399 struct sigaction signal_action;
400 memset(&signal_action, 0, sizeof(signal_action));
401 sigemptyset(&signal_action.sa_mask);
402 signal_action.sa_sigaction = SigprofAction;
403 signal_action.sa_flags = SA_RESTART | SA_SIGINFO;
404 ASSERT_EQ(0, sigaction(SIGPROF, &signal_action, nullptr));
407 // Disables ITIMER_PROF timer and ignores SIGPROF signal.
408 void DisableSigprofActionAndTimer(struct sigaction* old_signal_action) {
409 struct itimerval timer;
410 timer.it_interval.tv_sec = 0;
411 timer.it_interval.tv_usec = 0;
412 timer.it_value = timer.it_interval;
413 ASSERT_EQ(0, setitimer(ITIMER_PROF, &timer, nullptr));
414 struct sigaction signal_action;
415 memset(&signal_action, 0, sizeof(signal_action));
416 sigemptyset(&signal_action.sa_mask);
417 signal_action.sa_handler = SIG_IGN;
418 ASSERT_EQ(0, sigaction(SIGPROF, &signal_action, old_signal_action));
421 // Tests that death tests work when SIGPROF handler and timer are set.
422 TEST_F(TestForDeathTest, FastSigprofActionSet) {
423 testing::GTEST_FLAG(death_test_style) = "fast";
424 SetSigprofActionAndTimer();
425 EXPECT_DEATH(_exit(1), "");
426 struct sigaction old_signal_action;
427 DisableSigprofActionAndTimer(&old_signal_action);
428 EXPECT_TRUE(old_signal_action.sa_sigaction == SigprofAction);
431 TEST_F(TestForDeathTest, ThreadSafeSigprofActionSet) {
432 testing::GTEST_FLAG(death_test_style) = "threadsafe";
433 SetSigprofActionAndTimer();
434 EXPECT_DEATH(_exit(1), "");
435 struct sigaction old_signal_action;
436 DisableSigprofActionAndTimer(&old_signal_action);
437 EXPECT_TRUE(old_signal_action.sa_sigaction == SigprofAction);
439 # endif // GTEST_OS_LINUX
441 // Repeats a representative sample of death tests in the "threadsafe" style:
443 TEST_F(TestForDeathTest, StaticMemberFunctionThreadsafeStyle) {
444 testing::GTEST_FLAG(death_test_style) = "threadsafe";
445 ASSERT_DEATH(StaticMemberFunction(), "death.*StaticMember");
448 TEST_F(TestForDeathTest, MemberFunctionThreadsafeStyle) {
449 testing::GTEST_FLAG(death_test_style) = "threadsafe";
451 EXPECT_DEATH(MemberFunction(), "inside.*MemberFunction");
454 TEST_F(TestForDeathTest, ThreadsafeDeathTestInLoop) {
455 testing::GTEST_FLAG(death_test_style) = "threadsafe";
457 for (int i = 0; i < 3; ++i)
458 EXPECT_EXIT(_exit(i), testing::ExitedWithCode(i), "") << ": i = " << i;
461 TEST_F(TestForDeathTest, ThreadsafeDeathTestInChangedDir) {
462 testing::GTEST_FLAG(death_test_style) = "threadsafe";
465 EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), "");
468 ASSERT_DEATH(_exit(1), "");
471 TEST_F(TestForDeathTest, MixedStyles) {
472 testing::GTEST_FLAG(death_test_style) = "threadsafe";
473 EXPECT_DEATH(_exit(1), "");
474 testing::GTEST_FLAG(death_test_style) = "fast";
475 EXPECT_DEATH(_exit(1), "");
478 # if GTEST_HAS_CLONE && GTEST_HAS_PTHREAD
482 void SetPthreadFlag() {
486 TEST_F(TestForDeathTest, DoesNotExecuteAtforkHooks) {
487 if (!testing::GTEST_FLAG(death_test_use_fork)) {
488 testing::GTEST_FLAG(death_test_style) = "threadsafe";
489 pthread_flag = false;
490 ASSERT_EQ(0, pthread_atfork(&SetPthreadFlag, nullptr, nullptr));
491 ASSERT_DEATH(_exit(1), "");
492 ASSERT_FALSE(pthread_flag);
496 # endif // GTEST_HAS_CLONE && GTEST_HAS_PTHREAD
498 // Tests that a method of another class can be used in a death test.
499 TEST_F(TestForDeathTest, MethodOfAnotherClass) {
500 const MayDie x(true);
501 ASSERT_DEATH(x.MemberFunction(), "MayDie\\:\\:MemberFunction");
504 // Tests that a global function can be used in a death test.
505 TEST_F(TestForDeathTest, GlobalFunction) {
506 EXPECT_DEATH(GlobalFunction(), "GlobalFunction");
509 // Tests that any value convertible to an RE works as a second
510 // argument to EXPECT_DEATH.
511 TEST_F(TestForDeathTest, AcceptsAnythingConvertibleToRE) {
512 static const char regex_c_str[] = "GlobalFunction";
513 EXPECT_DEATH(GlobalFunction(), regex_c_str);
515 const testing::internal::RE regex(regex_c_str);
516 EXPECT_DEATH(GlobalFunction(), regex);
518 # if !GTEST_USES_PCRE
520 const ::std::string regex_std_str(regex_c_str);
521 EXPECT_DEATH(GlobalFunction(), regex_std_str);
523 // This one is tricky; a temporary pointer into another temporary. Reference
524 // lifetime extension of the pointer is not sufficient.
525 EXPECT_DEATH(GlobalFunction(), ::std::string(regex_c_str).c_str());
527 # endif // !GTEST_USES_PCRE
530 // Tests that a non-void function can be used in a death test.
531 TEST_F(TestForDeathTest, NonVoidFunction) {
532 ASSERT_DEATH(NonVoidFunction(), "NonVoidFunction");
535 // Tests that functions that take parameter(s) can be used in a death test.
536 TEST_F(TestForDeathTest, FunctionWithParameter) {
537 EXPECT_DEATH(DieIf(true), "DieIf\\(\\)");
538 EXPECT_DEATH(DieIfLessThan(2, 3), "DieIfLessThan");
541 // Tests that ASSERT_DEATH can be used outside a TEST, TEST_F, or test fixture.
542 TEST_F(TestForDeathTest, OutsideFixture) {
543 DeathTestSubroutine();
546 // Tests that death tests can be done inside a loop.
547 TEST_F(TestForDeathTest, InsideLoop) {
548 for (int i = 0; i < 5; i++) {
549 EXPECT_DEATH(DieIfLessThan(-1, i), "DieIfLessThan") << "where i == " << i;
553 // Tests that a compound statement can be used in a death test.
554 TEST_F(TestForDeathTest, CompoundStatement) {
555 EXPECT_DEATH({ // NOLINT
563 // Tests that code that doesn't die causes a death test to fail.
564 TEST_F(TestForDeathTest, DoesNotDie) {
565 EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(DieIf(false), "DieIf"),
569 // Tests that a death test fails when the error message isn't expected.
570 TEST_F(TestForDeathTest, ErrorMessageMismatch) {
571 EXPECT_NONFATAL_FAILURE({ // NOLINT
572 EXPECT_DEATH(DieIf(true), "DieIfLessThan") << "End of death test message.";
573 }, "died but not with expected error");
576 // On exit, *aborted will be true if and only if the EXPECT_DEATH()
577 // statement aborted the function.
578 void ExpectDeathTestHelper(bool* aborted) {
580 EXPECT_DEATH(DieIf(false), "DieIf"); // This assertion should fail.
584 // Tests that EXPECT_DEATH doesn't abort the test on failure.
585 TEST_F(TestForDeathTest, EXPECT_DEATH) {
587 EXPECT_NONFATAL_FAILURE(ExpectDeathTestHelper(&aborted),
589 EXPECT_FALSE(aborted);
592 // Tests that ASSERT_DEATH does abort the test on failure.
593 TEST_F(TestForDeathTest, ASSERT_DEATH) {
595 EXPECT_FATAL_FAILURE({ // NOLINT
597 ASSERT_DEATH(DieIf(false), "DieIf"); // This assertion should fail.
600 EXPECT_TRUE(aborted);
603 // Tests that EXPECT_DEATH evaluates the arguments exactly once.
604 TEST_F(TestForDeathTest, SingleEvaluation) {
606 EXPECT_DEATH(DieIf((++x) == 4), "DieIf");
608 const char* regex = "DieIf";
609 const char* regex_save = regex;
610 EXPECT_DEATH(DieIfLessThan(3, 4), regex++);
611 EXPECT_EQ(regex_save + 1, regex);
614 // Tests that run-away death tests are reported as failures.
615 TEST_F(TestForDeathTest, RunawayIsFailure) {
616 EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(static_cast<void>(0), "Foo"),
620 // Tests that death tests report executing 'return' in the statement as
622 TEST_F(TestForDeathTest, ReturnIsFailure) {
623 EXPECT_FATAL_FAILURE(ASSERT_DEATH(return, "Bar"),
624 "illegal return in test statement.");
627 // Tests that EXPECT_DEBUG_DEATH works as expected, that is, you can stream a
628 // message to it, and in debug mode it:
629 // 1. Asserts on death.
630 // 2. Has no side effect.
632 // And in opt mode, it:
633 // 1. Has side effects but does not assert.
634 TEST_F(TestForDeathTest, TestExpectDebugDeath) {
637 // Put the regex in a local variable to make sure we don't get an "unused"
638 // warning in opt mode.
639 const char* regex = "death.*DieInDebugElse12";
641 EXPECT_DEBUG_DEATH(DieInDebugElse12(&sideeffect), regex)
642 << "Must accept a streamed message";
646 // Checks that the assignment occurs in opt mode (sideeffect).
647 EXPECT_EQ(12, sideeffect);
651 // Checks that the assignment does not occur in dbg mode (no sideeffect).
652 EXPECT_EQ(0, sideeffect);
657 # if GTEST_OS_WINDOWS
659 // Tests that EXPECT_DEBUG_DEATH works as expected when in debug mode
660 // the Windows CRT crashes the process with an assertion failure.
661 // 1. Asserts on death.
662 // 2. Has no side effect (doesn't pop up a window or wait for user input).
664 // And in opt mode, it:
665 // 1. Has side effects but does not assert.
666 TEST_F(TestForDeathTest, CRTDebugDeath) {
669 // Put the regex in a local variable to make sure we don't get an "unused"
670 // warning in opt mode.
671 const char* regex = "dup.* : Assertion failed";
673 EXPECT_DEBUG_DEATH(DieInCRTDebugElse12(&sideeffect), regex)
674 << "Must accept a streamed message";
678 // Checks that the assignment occurs in opt mode (sideeffect).
679 EXPECT_EQ(12, sideeffect);
683 // Checks that the assignment does not occur in dbg mode (no sideeffect).
684 EXPECT_EQ(0, sideeffect);
689 # endif // GTEST_OS_WINDOWS
691 // Tests that ASSERT_DEBUG_DEATH works as expected, that is, you can stream a
692 // message to it, and in debug mode it:
693 // 1. Asserts on death.
694 // 2. Has no side effect.
696 // And in opt mode, it:
697 // 1. Has side effects but does not assert.
698 TEST_F(TestForDeathTest, TestAssertDebugDeath) {
701 ASSERT_DEBUG_DEATH(DieInDebugElse12(&sideeffect), "death.*DieInDebugElse12")
702 << "Must accept a streamed message";
706 // Checks that the assignment occurs in opt mode (sideeffect).
707 EXPECT_EQ(12, sideeffect);
711 // Checks that the assignment does not occur in dbg mode (no sideeffect).
712 EXPECT_EQ(0, sideeffect);
719 void ExpectDebugDeathHelper(bool* aborted) {
721 EXPECT_DEBUG_DEATH(return, "") << "This is expected to fail.";
725 # if GTEST_OS_WINDOWS
726 TEST(PopUpDeathTest, DoesNotShowPopUpOnAbort) {
727 printf("This test should be considered failing if it shows "
728 "any pop-up dialogs.\n");
732 testing::GTEST_FLAG(catch_exceptions) = false;
736 # endif // GTEST_OS_WINDOWS
738 // Tests that EXPECT_DEBUG_DEATH in debug mode does not abort
740 TEST_F(TestForDeathTest, ExpectDebugDeathDoesNotAbort) {
742 EXPECT_NONFATAL_FAILURE(ExpectDebugDeathHelper(&aborted), "");
743 EXPECT_FALSE(aborted);
746 void AssertDebugDeathHelper(bool* aborted) {
748 GTEST_LOG_(INFO) << "Before ASSERT_DEBUG_DEATH";
749 ASSERT_DEBUG_DEATH(GTEST_LOG_(INFO) << "In ASSERT_DEBUG_DEATH"; return, "")
750 << "This is expected to fail.";
751 GTEST_LOG_(INFO) << "After ASSERT_DEBUG_DEATH";
755 // Tests that ASSERT_DEBUG_DEATH in debug mode aborts the function on
757 TEST_F(TestForDeathTest, AssertDebugDeathAborts) {
760 EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
761 EXPECT_TRUE(aborted);
764 TEST_F(TestForDeathTest, AssertDebugDeathAborts2) {
767 EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
768 EXPECT_TRUE(aborted);
771 TEST_F(TestForDeathTest, AssertDebugDeathAborts3) {
774 EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
775 EXPECT_TRUE(aborted);
778 TEST_F(TestForDeathTest, AssertDebugDeathAborts4) {
781 EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
782 EXPECT_TRUE(aborted);
785 TEST_F(TestForDeathTest, AssertDebugDeathAborts5) {
788 EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
789 EXPECT_TRUE(aborted);
792 TEST_F(TestForDeathTest, AssertDebugDeathAborts6) {
795 EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
796 EXPECT_TRUE(aborted);
799 TEST_F(TestForDeathTest, AssertDebugDeathAborts7) {
802 EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
803 EXPECT_TRUE(aborted);
806 TEST_F(TestForDeathTest, AssertDebugDeathAborts8) {
809 EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
810 EXPECT_TRUE(aborted);
813 TEST_F(TestForDeathTest, AssertDebugDeathAborts9) {
816 EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
817 EXPECT_TRUE(aborted);
820 TEST_F(TestForDeathTest, AssertDebugDeathAborts10) {
823 EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), "");
824 EXPECT_TRUE(aborted);
829 // Tests the *_EXIT family of macros, using a variety of predicates.
830 static void TestExitMacros() {
831 EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), "");
832 ASSERT_EXIT(_exit(42), testing::ExitedWithCode(42), "");
834 # if GTEST_OS_WINDOWS
836 // Of all signals effects on the process exit code, only those of SIGABRT
837 // are documented on Windows.
838 // See https://msdn.microsoft.com/en-us/query-bi/m/dwwzkt4c.
839 EXPECT_EXIT(raise(SIGABRT), testing::ExitedWithCode(3), "") << "b_ar";
841 # elif !GTEST_OS_FUCHSIA
843 // Fuchsia has no unix signals.
844 EXPECT_EXIT(raise(SIGKILL), testing::KilledBySignal(SIGKILL), "") << "foo";
845 ASSERT_EXIT(raise(SIGUSR2), testing::KilledBySignal(SIGUSR2), "") << "bar";
847 EXPECT_FATAL_FAILURE({ // NOLINT
848 ASSERT_EXIT(_exit(0), testing::KilledBySignal(SIGSEGV), "")
849 << "This failure is expected, too.";
850 }, "This failure is expected, too.");
852 # endif // GTEST_OS_WINDOWS
854 EXPECT_NONFATAL_FAILURE({ // NOLINT
855 EXPECT_EXIT(raise(SIGSEGV), testing::ExitedWithCode(0), "")
856 << "This failure is expected.";
857 }, "This failure is expected.");
860 TEST_F(TestForDeathTest, ExitMacros) {
864 TEST_F(TestForDeathTest, ExitMacrosUsingFork) {
865 testing::GTEST_FLAG(death_test_use_fork) = true;
869 TEST_F(TestForDeathTest, InvalidStyle) {
870 testing::GTEST_FLAG(death_test_style) = "rococo";
871 EXPECT_NONFATAL_FAILURE({ // NOLINT
872 EXPECT_DEATH(_exit(0), "") << "This failure is expected.";
873 }, "This failure is expected.");
876 TEST_F(TestForDeathTest, DeathTestFailedOutput) {
877 testing::GTEST_FLAG(death_test_style) = "fast";
878 EXPECT_NONFATAL_FAILURE(
879 EXPECT_DEATH(DieWithMessage("death\n"),
882 "[ DEATH ] death\n");
885 TEST_F(TestForDeathTest, DeathTestUnexpectedReturnOutput) {
886 testing::GTEST_FLAG(death_test_style) = "fast";
887 EXPECT_NONFATAL_FAILURE(
889 fprintf(stderr, "returning\n");
893 " Result: illegal return in test statement.\n"
895 "[ DEATH ] returning\n");
898 TEST_F(TestForDeathTest, DeathTestBadExitCodeOutput) {
899 testing::GTEST_FLAG(death_test_style) = "fast";
900 EXPECT_NONFATAL_FAILURE(
901 EXPECT_EXIT(DieWithMessage("exiting with rc 1\n"),
902 testing::ExitedWithCode(3),
904 " Result: died but not with expected exit code:\n"
905 " Exited with exit status 1\n"
907 "[ DEATH ] exiting with rc 1\n");
910 TEST_F(TestForDeathTest, DeathTestMultiLineMatchFail) {
911 testing::GTEST_FLAG(death_test_style) = "fast";
912 EXPECT_NONFATAL_FAILURE(
913 EXPECT_DEATH(DieWithMessage("line 1\nline 2\nline 3\n"),
914 "line 1\nxyz\nline 3\n"),
918 "[ DEATH ] line 3\n");
921 TEST_F(TestForDeathTest, DeathTestMultiLineMatchPass) {
922 testing::GTEST_FLAG(death_test_style) = "fast";
923 EXPECT_DEATH(DieWithMessage("line 1\nline 2\nline 3\n"),
924 "line 1\nline 2\nline 3\n");
927 // A DeathTestFactory that returns MockDeathTests.
928 class MockDeathTestFactory : public DeathTestFactory {
930 MockDeathTestFactory();
931 bool Create(const char* statement,
932 testing::Matcher<const std::string&> matcher, const char* file,
933 int line, DeathTest** test) override;
935 // Sets the parameters for subsequent calls to Create.
936 void SetParameters(bool create, DeathTest::TestRole role,
937 int status, bool passed);
940 int AssumeRoleCalls() const { return assume_role_calls_; }
941 int WaitCalls() const { return wait_calls_; }
942 size_t PassedCalls() const { return passed_args_.size(); }
943 bool PassedArgument(int n) const {
944 return passed_args_[static_cast<size_t>(n)];
946 size_t AbortCalls() const { return abort_args_.size(); }
947 DeathTest::AbortReason AbortArgument(int n) const {
948 return abort_args_[static_cast<size_t>(n)];
950 bool TestDeleted() const { return test_deleted_; }
953 friend class MockDeathTest;
954 // If true, Create will return a MockDeathTest; otherwise it returns
957 // The value a MockDeathTest will return from its AssumeRole method.
958 DeathTest::TestRole role_;
959 // The value a MockDeathTest will return from its Wait method.
961 // The value a MockDeathTest will return from its Passed method.
964 // Number of times AssumeRole was called.
965 int assume_role_calls_;
966 // Number of times Wait was called.
968 // The arguments to the calls to Passed since the last call to
970 std::vector<bool> passed_args_;
971 // The arguments to the calls to Abort since the last call to
973 std::vector<DeathTest::AbortReason> abort_args_;
974 // True if the last MockDeathTest returned by Create has been
980 // A DeathTest implementation useful in testing. It returns values set
981 // at its creation from its various inherited DeathTest methods, and
982 // reports calls to those methods to its parent MockDeathTestFactory
984 class MockDeathTest : public DeathTest {
986 MockDeathTest(MockDeathTestFactory *parent,
987 TestRole role, int status, bool passed) :
988 parent_(parent), role_(role), status_(status), passed_(passed) {
990 ~MockDeathTest() override { parent_->test_deleted_ = true; }
991 TestRole AssumeRole() override {
992 ++parent_->assume_role_calls_;
995 int Wait() override {
996 ++parent_->wait_calls_;
999 bool Passed(bool exit_status_ok) override {
1000 parent_->passed_args_.push_back(exit_status_ok);
1003 void Abort(AbortReason reason) override {
1004 parent_->abort_args_.push_back(reason);
1008 MockDeathTestFactory* const parent_;
1009 const TestRole role_;
1015 // MockDeathTestFactory constructor.
1016 MockDeathTestFactory::MockDeathTestFactory()
1018 role_(DeathTest::OVERSEE_TEST),
1021 assume_role_calls_(0),
1028 // Sets the parameters for subsequent calls to Create.
1029 void MockDeathTestFactory::SetParameters(bool create,
1030 DeathTest::TestRole role,
1031 int status, bool passed) {
1037 assume_role_calls_ = 0;
1039 passed_args_.clear();
1040 abort_args_.clear();
1044 // Sets test to NULL (if create_ is false) or to the address of a new
1045 // MockDeathTest object with parameters taken from the last call
1046 // to SetParameters (if create_ is true). Always returns true.
1047 bool MockDeathTestFactory::Create(
1048 const char* /*statement*/, testing::Matcher<const std::string&> /*matcher*/,
1049 const char* /*file*/, int /*line*/, DeathTest** test) {
1050 test_deleted_ = false;
1052 *test = new MockDeathTest(this, role_, status_, passed_);
1059 // A test fixture for testing the logic of the GTEST_DEATH_TEST_ macro.
1060 // It installs a MockDeathTestFactory that is used for the duration
1061 // of the test case.
1062 class MacroLogicDeathTest : public testing::Test {
1064 static testing::internal::ReplaceDeathTestFactory* replacer_;
1065 static MockDeathTestFactory* factory_;
1067 static void SetUpTestSuite() {
1068 factory_ = new MockDeathTestFactory;
1069 replacer_ = new testing::internal::ReplaceDeathTestFactory(factory_);
1072 static void TearDownTestSuite() {
1074 replacer_ = nullptr;
1079 // Runs a death test that breaks the rules by returning. Such a death
1080 // test cannot be run directly from a test routine that uses a
1081 // MockDeathTest, or the remainder of the routine will not be executed.
1082 static void RunReturningDeathTest(bool* flag) {
1083 ASSERT_DEATH({ // NOLINT
1090 testing::internal::ReplaceDeathTestFactory* MacroLogicDeathTest::replacer_ =
1092 MockDeathTestFactory* MacroLogicDeathTest::factory_ = nullptr;
1094 // Test that nothing happens when the factory doesn't return a DeathTest:
1095 TEST_F(MacroLogicDeathTest, NothingHappens) {
1097 factory_->SetParameters(false, DeathTest::OVERSEE_TEST, 0, true);
1098 EXPECT_DEATH(flag = true, "");
1100 EXPECT_EQ(0, factory_->AssumeRoleCalls());
1101 EXPECT_EQ(0, factory_->WaitCalls());
1102 EXPECT_EQ(0U, factory_->PassedCalls());
1103 EXPECT_EQ(0U, factory_->AbortCalls());
1104 EXPECT_FALSE(factory_->TestDeleted());
1107 // Test that the parent process doesn't run the death test code,
1108 // and that the Passed method returns false when the (simulated)
1109 // child process exits with status 0:
1110 TEST_F(MacroLogicDeathTest, ChildExitsSuccessfully) {
1112 factory_->SetParameters(true, DeathTest::OVERSEE_TEST, 0, true);
1113 EXPECT_DEATH(flag = true, "");
1115 EXPECT_EQ(1, factory_->AssumeRoleCalls());
1116 EXPECT_EQ(1, factory_->WaitCalls());
1117 ASSERT_EQ(1U, factory_->PassedCalls());
1118 EXPECT_FALSE(factory_->PassedArgument(0));
1119 EXPECT_EQ(0U, factory_->AbortCalls());
1120 EXPECT_TRUE(factory_->TestDeleted());
1123 // Tests that the Passed method was given the argument "true" when
1124 // the (simulated) child process exits with status 1:
1125 TEST_F(MacroLogicDeathTest, ChildExitsUnsuccessfully) {
1127 factory_->SetParameters(true, DeathTest::OVERSEE_TEST, 1, true);
1128 EXPECT_DEATH(flag = true, "");
1130 EXPECT_EQ(1, factory_->AssumeRoleCalls());
1131 EXPECT_EQ(1, factory_->WaitCalls());
1132 ASSERT_EQ(1U, factory_->PassedCalls());
1133 EXPECT_TRUE(factory_->PassedArgument(0));
1134 EXPECT_EQ(0U, factory_->AbortCalls());
1135 EXPECT_TRUE(factory_->TestDeleted());
1138 // Tests that the (simulated) child process executes the death test
1139 // code, and is aborted with the correct AbortReason if it
1140 // executes a return statement.
1141 TEST_F(MacroLogicDeathTest, ChildPerformsReturn) {
1143 factory_->SetParameters(true, DeathTest::EXECUTE_TEST, 0, true);
1144 RunReturningDeathTest(&flag);
1146 EXPECT_EQ(1, factory_->AssumeRoleCalls());
1147 EXPECT_EQ(0, factory_->WaitCalls());
1148 EXPECT_EQ(0U, factory_->PassedCalls());
1149 EXPECT_EQ(1U, factory_->AbortCalls());
1150 EXPECT_EQ(DeathTest::TEST_ENCOUNTERED_RETURN_STATEMENT,
1151 factory_->AbortArgument(0));
1152 EXPECT_TRUE(factory_->TestDeleted());
1155 // Tests that the (simulated) child process is aborted with the
1156 // correct AbortReason if it does not die.
1157 TEST_F(MacroLogicDeathTest, ChildDoesNotDie) {
1159 factory_->SetParameters(true, DeathTest::EXECUTE_TEST, 0, true);
1160 EXPECT_DEATH(flag = true, "");
1162 EXPECT_EQ(1, factory_->AssumeRoleCalls());
1163 EXPECT_EQ(0, factory_->WaitCalls());
1164 EXPECT_EQ(0U, factory_->PassedCalls());
1165 // This time there are two calls to Abort: one since the test didn't
1166 // die, and another from the ReturnSentinel when it's destroyed. The
1167 // sentinel normally isn't destroyed if a test doesn't die, since
1168 // _exit(2) is called in that case by ForkingDeathTest, but not by
1169 // our MockDeathTest.
1170 ASSERT_EQ(2U, factory_->AbortCalls());
1171 EXPECT_EQ(DeathTest::TEST_DID_NOT_DIE,
1172 factory_->AbortArgument(0));
1173 EXPECT_EQ(DeathTest::TEST_ENCOUNTERED_RETURN_STATEMENT,
1174 factory_->AbortArgument(1));
1175 EXPECT_TRUE(factory_->TestDeleted());
1178 // Tests that a successful death test does not register a successful
1180 TEST(SuccessRegistrationDeathTest, NoSuccessPart) {
1181 EXPECT_DEATH(_exit(1), "");
1182 EXPECT_EQ(0, GetUnitTestImpl()->current_test_result()->total_part_count());
1185 TEST(StreamingAssertionsDeathTest, DeathTest) {
1186 EXPECT_DEATH(_exit(1), "") << "unexpected failure";
1187 ASSERT_DEATH(_exit(1), "") << "unexpected failure";
1188 EXPECT_NONFATAL_FAILURE({ // NOLINT
1189 EXPECT_DEATH(_exit(0), "") << "expected failure";
1190 }, "expected failure");
1191 EXPECT_FATAL_FAILURE({ // NOLINT
1192 ASSERT_DEATH(_exit(0), "") << "expected failure";
1193 }, "expected failure");
1196 // Tests that GetLastErrnoDescription returns an empty string when the
1197 // last error is 0 and non-empty string when it is non-zero.
1198 TEST(GetLastErrnoDescription, GetLastErrnoDescriptionWorks) {
1200 EXPECT_STRNE("", GetLastErrnoDescription().c_str());
1202 EXPECT_STREQ("", GetLastErrnoDescription().c_str());
1205 # if GTEST_OS_WINDOWS
1206 TEST(AutoHandleTest, AutoHandleWorks) {
1207 HANDLE handle = ::CreateEvent(NULL, FALSE, FALSE, NULL);
1208 ASSERT_NE(INVALID_HANDLE_VALUE, handle);
1210 // Tests that the AutoHandle is correctly initialized with a handle.
1211 testing::internal::AutoHandle auto_handle(handle);
1212 EXPECT_EQ(handle, auto_handle.Get());
1214 // Tests that Reset assigns INVALID_HANDLE_VALUE.
1215 // Note that this cannot verify whether the original handle is closed.
1216 auto_handle.Reset();
1217 EXPECT_EQ(INVALID_HANDLE_VALUE, auto_handle.Get());
1219 // Tests that Reset assigns the new handle.
1220 // Note that this cannot verify whether the original handle is closed.
1221 handle = ::CreateEvent(NULL, FALSE, FALSE, NULL);
1222 ASSERT_NE(INVALID_HANDLE_VALUE, handle);
1223 auto_handle.Reset(handle);
1224 EXPECT_EQ(handle, auto_handle.Get());
1226 // Tests that AutoHandle contains INVALID_HANDLE_VALUE by default.
1227 testing::internal::AutoHandle auto_handle2;
1228 EXPECT_EQ(INVALID_HANDLE_VALUE, auto_handle2.Get());
1230 # endif // GTEST_OS_WINDOWS
1232 # if GTEST_OS_WINDOWS
1233 typedef unsigned __int64 BiggestParsable;
1234 typedef signed __int64 BiggestSignedParsable;
1236 typedef unsigned long long BiggestParsable;
1237 typedef signed long long BiggestSignedParsable;
1238 # endif // GTEST_OS_WINDOWS
1240 // We cannot use std::numeric_limits<T>::max() as it clashes with the
1241 // max() macro defined by <windows.h>.
1242 const BiggestParsable kBiggestParsableMax = ULLONG_MAX;
1243 const BiggestSignedParsable kBiggestSignedParsableMax = LLONG_MAX;
1245 TEST(ParseNaturalNumberTest, RejectsInvalidFormat) {
1246 BiggestParsable result = 0;
1248 // Rejects non-numbers.
1249 EXPECT_FALSE(ParseNaturalNumber("non-number string", &result));
1251 // Rejects numbers with whitespace prefix.
1252 EXPECT_FALSE(ParseNaturalNumber(" 123", &result));
1254 // Rejects negative numbers.
1255 EXPECT_FALSE(ParseNaturalNumber("-123", &result));
1257 // Rejects numbers starting with a plus sign.
1258 EXPECT_FALSE(ParseNaturalNumber("+123", &result));
1262 TEST(ParseNaturalNumberTest, RejectsOverflownNumbers) {
1263 BiggestParsable result = 0;
1265 EXPECT_FALSE(ParseNaturalNumber("99999999999999999999999", &result));
1267 signed char char_result = 0;
1268 EXPECT_FALSE(ParseNaturalNumber("200", &char_result));
1272 TEST(ParseNaturalNumberTest, AcceptsValidNumbers) {
1273 BiggestParsable result = 0;
1276 ASSERT_TRUE(ParseNaturalNumber("123", &result));
1277 EXPECT_EQ(123U, result);
1279 // Check 0 as an edge case.
1281 ASSERT_TRUE(ParseNaturalNumber("0", &result));
1282 EXPECT_EQ(0U, result);
1285 ASSERT_TRUE(ParseNaturalNumber("00000", &result));
1286 EXPECT_EQ(0U, result);
1289 TEST(ParseNaturalNumberTest, AcceptsTypeLimits) {
1291 msg << kBiggestParsableMax;
1293 BiggestParsable result = 0;
1294 EXPECT_TRUE(ParseNaturalNumber(msg.GetString(), &result));
1295 EXPECT_EQ(kBiggestParsableMax, result);
1298 msg2 << kBiggestSignedParsableMax;
1300 BiggestSignedParsable signed_result = 0;
1301 EXPECT_TRUE(ParseNaturalNumber(msg2.GetString(), &signed_result));
1302 EXPECT_EQ(kBiggestSignedParsableMax, signed_result);
1308 EXPECT_TRUE(ParseNaturalNumber(msg3.GetString(), &int_result));
1309 EXPECT_EQ(INT_MAX, int_result);
1314 unsigned int uint_result = 0;
1315 EXPECT_TRUE(ParseNaturalNumber(msg4.GetString(), &uint_result));
1316 EXPECT_EQ(UINT_MAX, uint_result);
1319 TEST(ParseNaturalNumberTest, WorksForShorterIntegers) {
1320 short short_result = 0;
1321 ASSERT_TRUE(ParseNaturalNumber("123", &short_result));
1322 EXPECT_EQ(123, short_result);
1324 signed char char_result = 0;
1325 ASSERT_TRUE(ParseNaturalNumber("123", &char_result));
1326 EXPECT_EQ(123, char_result);
1329 # if GTEST_OS_WINDOWS
1330 TEST(EnvironmentTest, HandleFitsIntoSizeT) {
1331 ASSERT_TRUE(sizeof(HANDLE) <= sizeof(size_t));
1333 # endif // GTEST_OS_WINDOWS
1335 // Tests that EXPECT_DEATH_IF_SUPPORTED/ASSERT_DEATH_IF_SUPPORTED trigger
1336 // failures when death tests are available on the system.
1337 TEST(ConditionalDeathMacrosDeathTest, ExpectsDeathWhenDeathTestsAvailable) {
1338 EXPECT_DEATH_IF_SUPPORTED(DieInside("CondDeathTestExpectMacro"),
1339 "death inside CondDeathTestExpectMacro");
1340 ASSERT_DEATH_IF_SUPPORTED(DieInside("CondDeathTestAssertMacro"),
1341 "death inside CondDeathTestAssertMacro");
1343 // Empty statement will not crash, which must trigger a failure.
1344 EXPECT_NONFATAL_FAILURE(EXPECT_DEATH_IF_SUPPORTED(;, ""), "");
1345 EXPECT_FATAL_FAILURE(ASSERT_DEATH_IF_SUPPORTED(;, ""), "");
1348 TEST(InDeathTestChildDeathTest, ReportsDeathTestCorrectlyInFastStyle) {
1349 testing::GTEST_FLAG(death_test_style) = "fast";
1350 EXPECT_FALSE(InDeathTestChild());
1352 fprintf(stderr, InDeathTestChild() ? "Inside" : "Outside");
1358 TEST(InDeathTestChildDeathTest, ReportsDeathTestCorrectlyInThreadSafeStyle) {
1359 testing::GTEST_FLAG(death_test_style) = "threadsafe";
1360 EXPECT_FALSE(InDeathTestChild());
1362 fprintf(stderr, InDeathTestChild() ? "Inside" : "Outside");
1368 void DieWithMessage(const char* message) {
1369 fputs(message, stderr);
1370 fflush(stderr); // Make sure the text is printed before the process exits.
1374 TEST(MatcherDeathTest, DoesNotBreakBareRegexMatching) {
1375 // googletest tests this, of course; here we ensure that including googlemock
1376 // has not broken it.
1377 EXPECT_DEATH(DieWithMessage("O, I die, Horatio."), "I d[aeiou]e");
1380 TEST(MatcherDeathTest, MonomorphicMatcherMatches) {
1381 EXPECT_DEATH(DieWithMessage("Behind O, I am slain!"),
1382 Matcher<const std::string&>(ContainsRegex("I am slain")));
1385 TEST(MatcherDeathTest, MonomorphicMatcherDoesNotMatch) {
1386 EXPECT_NONFATAL_FAILURE(
1388 DieWithMessage("Behind O, I am slain!"),
1389 Matcher<const std::string&>(ContainsRegex("Ow, I am slain"))),
1390 "Expected: contains regular expression \"Ow, I am slain\"");
1393 TEST(MatcherDeathTest, PolymorphicMatcherMatches) {
1394 EXPECT_DEATH(DieWithMessage("The rest is silence."),
1395 ContainsRegex("rest is silence"));
1398 TEST(MatcherDeathTest, PolymorphicMatcherDoesNotMatch) {
1399 EXPECT_NONFATAL_FAILURE(
1400 EXPECT_DEATH(DieWithMessage("The rest is silence."),
1401 ContainsRegex("rest is science")),
1402 "Expected: contains regular expression \"rest is science\"");
1407 #else // !GTEST_HAS_DEATH_TEST follows
1411 using testing::internal::CaptureStderr;
1412 using testing::internal::GetCapturedStderr;
1414 // Tests that EXPECT_DEATH_IF_SUPPORTED/ASSERT_DEATH_IF_SUPPORTED are still
1415 // defined but do not trigger failures when death tests are not available on
1417 TEST(ConditionalDeathMacrosTest, WarnsWhenDeathTestsNotAvailable) {
1418 // Empty statement will not crash, but that should not trigger a failure
1419 // when death tests are not supported.
1421 EXPECT_DEATH_IF_SUPPORTED(;, "");
1422 std::string output = GetCapturedStderr();
1423 ASSERT_TRUE(NULL != strstr(output.c_str(),
1424 "Death tests are not supported on this platform"));
1425 ASSERT_TRUE(NULL != strstr(output.c_str(), ";"));
1427 // The streamed message should not be printed as there is no test failure.
1429 EXPECT_DEATH_IF_SUPPORTED(;, "") << "streamed message";
1430 output = GetCapturedStderr();
1431 ASSERT_TRUE(NULL == strstr(output.c_str(), "streamed message"));
1434 ASSERT_DEATH_IF_SUPPORTED(;, ""); // NOLINT
1435 output = GetCapturedStderr();
1436 ASSERT_TRUE(NULL != strstr(output.c_str(),
1437 "Death tests are not supported on this platform"));
1438 ASSERT_TRUE(NULL != strstr(output.c_str(), ";"));
1441 ASSERT_DEATH_IF_SUPPORTED(;, "") << "streamed message"; // NOLINT
1442 output = GetCapturedStderr();
1443 ASSERT_TRUE(NULL == strstr(output.c_str(), "streamed message"));
1446 void FuncWithAssert(int* n) {
1447 ASSERT_DEATH_IF_SUPPORTED(return;, "");
1451 // Tests that ASSERT_DEATH_IF_SUPPORTED does not return from the current
1452 // function (as ASSERT_DEATH does) if death tests are not supported.
1453 TEST(ConditionalDeathMacrosTest, AssertDeatDoesNotReturnhIfUnsupported) {
1461 #endif // !GTEST_HAS_DEATH_TEST
1465 // Tests that the death test macros expand to code which may or may not
1466 // be followed by operator<<, and that in either case the complete text
1467 // comprises only a single C++ statement.
1469 // The syntax should work whether death tests are available or not.
1470 TEST(ConditionalDeathMacrosSyntaxDeathTest, SingleStatement) {
1472 // This would fail if executed; this is a compilation test only
1473 ASSERT_DEATH_IF_SUPPORTED(return, "");
1476 EXPECT_DEATH_IF_SUPPORTED(_exit(1), "");
1478 // This empty "else" branch is meant to ensure that EXPECT_DEATH
1479 // doesn't expand into an "if" statement without an "else"
1483 ASSERT_DEATH_IF_SUPPORTED(return, "") << "did not die";
1488 EXPECT_DEATH_IF_SUPPORTED(_exit(1), "") << 1 << 2 << 3;
1491 // Tests that conditional death test macros expand to code which interacts
1492 // well with switch statements.
1493 TEST(ConditionalDeathMacrosSyntaxDeathTest, SwitchStatement) {
1494 // Microsoft compiler usually complains about switch statements without
1495 // case labels. We suppress that warning for this test.
1496 GTEST_DISABLE_MSC_WARNINGS_PUSH_(4065)
1500 ASSERT_DEATH_IF_SUPPORTED(_exit(1), "")
1501 << "exit in default switch handler";
1505 EXPECT_DEATH_IF_SUPPORTED(_exit(1), "") << "exit in switch case";
1507 GTEST_DISABLE_MSC_WARNINGS_POP_()
1510 // Tests that a test case whose name ends with "DeathTest" works fine
1512 TEST(NotADeathTest, Test) {