| // Copyright 2005, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| // |
| // Author: wan@google.com (Zhanyong Wan) |
| // |
| // Tests for death tests. |
| |
| #include "gtest/gtest-death-test.h" |
| #include "gtest/gtest.h" |
| #include "gtest/internal/gtest-filepath.h" |
| |
| using testing::internal::AlwaysFalse; |
| using testing::internal::AlwaysTrue; |
| |
| #if GTEST_HAS_DEATH_TEST |
| |
| # if GTEST_OS_WINDOWS |
| # include <direct.h> // For chdir(). |
| # else |
| # include <unistd.h> |
| # include <sys/wait.h> // For waitpid. |
| # include <limits> // For std::numeric_limits. |
| # endif // GTEST_OS_WINDOWS |
| |
| # include <limits.h> |
| # include <signal.h> |
| # include <stdio.h> |
| |
| # if GTEST_OS_LINUX |
| # include <sys/time.h> |
| # endif // GTEST_OS_LINUX |
| |
| # include "gtest/gtest-spi.h" |
| |
| // Indicates that this translation unit is part of Google Test's |
| // implementation. It must come before gtest-internal-inl.h is |
| // included, or there will be a compiler error. This trick is to |
| // prevent a user from accidentally including gtest-internal-inl.h in |
| // his code. |
| # define GTEST_IMPLEMENTATION_ 1 |
| # include "src/gtest-internal-inl.h" |
| # undef GTEST_IMPLEMENTATION_ |
| |
| namespace posix = ::testing::internal::posix; |
| |
| using testing::Message; |
| using testing::internal::DeathTest; |
| using testing::internal::DeathTestFactory; |
| using testing::internal::FilePath; |
| using testing::internal::GetLastErrnoDescription; |
| using testing::internal::GetUnitTestImpl; |
| using testing::internal::InDeathTestChild; |
| using testing::internal::ParseNaturalNumber; |
| using testing::internal::String; |
| |
| namespace testing { |
| namespace internal { |
| |
| // A helper class whose objects replace the death test factory for a |
| // single UnitTest object during their lifetimes. |
| class ReplaceDeathTestFactory { |
| public: |
| explicit ReplaceDeathTestFactory(DeathTestFactory* new_factory) |
| : unit_test_impl_(GetUnitTestImpl()) { |
| old_factory_ = unit_test_impl_->death_test_factory_.release(); |
| unit_test_impl_->death_test_factory_.reset(new_factory); |
| } |
| |
| ~ReplaceDeathTestFactory() { |
| unit_test_impl_->death_test_factory_.release(); |
| unit_test_impl_->death_test_factory_.reset(old_factory_); |
| } |
| private: |
| // Prevents copying ReplaceDeathTestFactory objects. |
| ReplaceDeathTestFactory(const ReplaceDeathTestFactory&); |
| void operator=(const ReplaceDeathTestFactory&); |
| |
| UnitTestImpl* unit_test_impl_; |
| DeathTestFactory* old_factory_; |
| }; |
| |
| } // namespace internal |
| } // namespace testing |
| |
| void DieWithMessage(const ::std::string& message) { |
| fprintf(stderr, "%s", message.c_str()); |
| fflush(stderr); // Make sure the text is printed before the process exits. |
| |
| // We call _exit() instead of exit(), as the former is a direct |
| // system call and thus safer in the presence of threads. exit() |
| // will invoke user-defined exit-hooks, which may do dangerous |
| // things that conflict with death tests. |
| // |
| // Some compilers can recognize that _exit() never returns and issue the |
| // 'unreachable code' warning for code following this function, unless |
| // fooled by a fake condition. |
| if (AlwaysTrue()) |
| _exit(1); |
| } |
| |
| void DieInside(const ::std::string& function) { |
| DieWithMessage("death inside " + function + "()."); |
| } |
| |
| // Tests that death tests work. |
| |
| class TestForDeathTest : public testing::Test { |
| protected: |
| TestForDeathTest() : original_dir_(FilePath::GetCurrentDir()) {} |
| |
| virtual ~TestForDeathTest() { |
| posix::ChDir(original_dir_.c_str()); |
| } |
| |
| // A static member function that's expected to die. |
| static void StaticMemberFunction() { DieInside("StaticMemberFunction"); } |
| |
| // A method of the test fixture that may die. |
| void MemberFunction() { |
| if (should_die_) |
| DieInside("MemberFunction"); |
| } |
| |
| // True iff MemberFunction() should die. |
| bool should_die_; |
| const FilePath original_dir_; |
| }; |
| |
| // A class with a member function that may die. |
| class MayDie { |
| public: |
| explicit MayDie(bool should_die) : should_die_(should_die) {} |
| |
| // A member function that may die. |
| void MemberFunction() const { |
| if (should_die_) |
| DieInside("MayDie::MemberFunction"); |
| } |
| |
| private: |
| // True iff MemberFunction() should die. |
| bool should_die_; |
| }; |
| |
| // A global function that's expected to die. |
| void GlobalFunction() { DieInside("GlobalFunction"); } |
| |
| // A non-void function that's expected to die. |
| int NonVoidFunction() { |
| DieInside("NonVoidFunction"); |
| return 1; |
| } |
| |
| // A unary function that may die. |
| void DieIf(bool should_die) { |
| if (should_die) |
| DieInside("DieIf"); |
| } |
| |
| // A binary function that may die. |
| bool DieIfLessThan(int x, int y) { |
| if (x < y) { |
| DieInside("DieIfLessThan"); |
| } |
| return true; |
| } |
| |
| // Tests that ASSERT_DEATH can be used outside a TEST, TEST_F, or test fixture. |
| void DeathTestSubroutine() { |
| EXPECT_DEATH(GlobalFunction(), "death.*GlobalFunction"); |
| ASSERT_DEATH(GlobalFunction(), "death.*GlobalFunction"); |
| } |
| |
| // Death in dbg, not opt. |
| int DieInDebugElse12(int* sideeffect) { |
| if (sideeffect) *sideeffect = 12; |
| |
| # ifndef NDEBUG |
| |
| DieInside("DieInDebugElse12"); |
| |
| # endif // NDEBUG |
| |
| return 12; |
| } |
| |
| # if GTEST_OS_WINDOWS |
| |
| // Tests the ExitedWithCode predicate. |
| TEST(ExitStatusPredicateTest, ExitedWithCode) { |
| // On Windows, the process's exit code is the same as its exit status, |
| // so the predicate just compares the its input with its parameter. |
| EXPECT_TRUE(testing::ExitedWithCode(0)(0)); |
| EXPECT_TRUE(testing::ExitedWithCode(1)(1)); |
| EXPECT_TRUE(testing::ExitedWithCode(42)(42)); |
| EXPECT_FALSE(testing::ExitedWithCode(0)(1)); |
| EXPECT_FALSE(testing::ExitedWithCode(1)(0)); |
| } |
| |
| # else |
| |
| // Returns the exit status of a process that calls _exit(2) with a |
| // given exit code. This is a helper function for the |
| // ExitStatusPredicateTest test suite. |
| static int NormalExitStatus(int exit_code) { |
| pid_t child_pid = fork(); |
| if (child_pid == 0) { |
| _exit(exit_code); |
| } |
| int status; |
| waitpid(child_pid, &status, 0); |
| return status; |
| } |
| |
| // Returns the exit status of a process that raises a given signal. |
| // If the signal does not cause the process to die, then it returns |
| // instead the exit status of a process that exits normally with exit |
| // code 1. This is a helper function for the ExitStatusPredicateTest |
| // test suite. |
| static int KilledExitStatus(int signum) { |
| pid_t child_pid = fork(); |
| if (child_pid == 0) { |
| raise(signum); |
| _exit(1); |
| } |
| int status; |
| waitpid(child_pid, &status, 0); |
| return status; |
| } |
| |
| // Tests the ExitedWithCode predicate. |
| TEST(ExitStatusPredicateTest, ExitedWithCode) { |
| const int status0 = NormalExitStatus(0); |
| const int status1 = NormalExitStatus(1); |
| const int status42 = NormalExitStatus(42); |
| const testing::ExitedWithCode pred0(0); |
| const testing::ExitedWithCode pred1(1); |
| const testing::ExitedWithCode pred42(42); |
| EXPECT_PRED1(pred0, status0); |
| EXPECT_PRED1(pred1, status1); |
| EXPECT_PRED1(pred42, status42); |
| EXPECT_FALSE(pred0(status1)); |
| EXPECT_FALSE(pred42(status0)); |
| EXPECT_FALSE(pred1(status42)); |
| } |
| |
| // Tests the KilledBySignal predicate. |
| TEST(ExitStatusPredicateTest, KilledBySignal) { |
| const int status_segv = KilledExitStatus(SIGSEGV); |
| const int status_kill = KilledExitStatus(SIGKILL); |
| const testing::KilledBySignal pred_segv(SIGSEGV); |
| const testing::KilledBySignal pred_kill(SIGKILL); |
| EXPECT_PRED1(pred_segv, status_segv); |
| EXPECT_PRED1(pred_kill, status_kill); |
| EXPECT_FALSE(pred_segv(status_kill)); |
| EXPECT_FALSE(pred_kill(status_segv)); |
| } |
| |
| # endif // GTEST_OS_WINDOWS |
| |
| // Tests that the death test macros expand to code which may or may not |
| // be followed by operator<<, and that in either case the complete text |
| // comprises only a single C++ statement. |
| TEST_F(TestForDeathTest, SingleStatement) { |
| if (AlwaysFalse()) |
| // This would fail if executed; this is a compilation test only |
| ASSERT_DEATH(return, ""); |
| |
| if (AlwaysTrue()) |
| EXPECT_DEATH(_exit(1), ""); |
| else |
| // This empty "else" branch is meant to ensure that EXPECT_DEATH |
| // doesn't expand into an "if" statement without an "else" |
| ; |
| |
| if (AlwaysFalse()) |
| ASSERT_DEATH(return, "") << "did not die"; |
| |
| if (AlwaysFalse()) |
| ; |
| else |
| EXPECT_DEATH(_exit(1), "") << 1 << 2 << 3; |
| } |
| |
| void DieWithEmbeddedNul() { |
| fprintf(stderr, "Hello%cmy null world.\n", '\0'); |
| fflush(stderr); |
| _exit(1); |
| } |
| |
| # if GTEST_USES_PCRE |
| // Tests that EXPECT_DEATH and ASSERT_DEATH work when the error |
| // message has a NUL character in it. |
| TEST_F(TestForDeathTest, EmbeddedNulInMessage) { |
| // TODO(wan@google.com): <regex.h> doesn't support matching strings |
| // with embedded NUL characters - find a way to workaround it. |
| EXPECT_DEATH(DieWithEmbeddedNul(), "my null world"); |
| ASSERT_DEATH(DieWithEmbeddedNul(), "my null world"); |
| } |
| # endif // GTEST_USES_PCRE |
| |
| // Tests that death test macros expand to code which interacts well with switch |
| // statements. |
| TEST_F(TestForDeathTest, SwitchStatement) { |
| // Microsoft compiler usually complains about switch statements without |
| // case labels. We suppress that warning for this test. |
| # ifdef _MSC_VER |
| # pragma warning(push) |
| # pragma warning(disable: 4065) |
| # endif // _MSC_VER |
| |
| switch (0) |
| default: |
| ASSERT_DEATH(_exit(1), "") << "exit in default switch handler"; |
| |
| switch (0) |
| case 0: |
| EXPECT_DEATH(_exit(1), "") << "exit in switch case"; |
| |
| # ifdef _MSC_VER |
| # pragma warning(pop) |
| # endif // _MSC_VER |
| } |
| |
| // Tests that a static member function can be used in a "fast" style |
| // death test. |
| TEST_F(TestForDeathTest, StaticMemberFunctionFastStyle) { |
| testing::GTEST_FLAG(death_test_style) = "fast"; |
| ASSERT_DEATH(StaticMemberFunction(), "death.*StaticMember"); |
| } |
| |
| // Tests that a method of the test fixture can be used in a "fast" |
| // style death test. |
| TEST_F(TestForDeathTest, MemberFunctionFastStyle) { |
| testing::GTEST_FLAG(death_test_style) = "fast"; |
| should_die_ = true; |
| EXPECT_DEATH(MemberFunction(), "inside.*MemberFunction"); |
| } |
| |
| void ChangeToRootDir() { posix::ChDir(GTEST_PATH_SEP_); } |
| |
| // Tests that death tests work even if the current directory has been |
| // changed. |
| TEST_F(TestForDeathTest, FastDeathTestInChangedDir) { |
| testing::GTEST_FLAG(death_test_style) = "fast"; |
| |
| ChangeToRootDir(); |
| EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), ""); |
| |
| ChangeToRootDir(); |
| ASSERT_DEATH(_exit(1), ""); |
| } |
| |
| # if GTEST_OS_LINUX |
| void SigprofAction(int, siginfo_t*, void*) { /* no op */ } |
| |
| // Sets SIGPROF action and ITIMER_PROF timer (interval: 1ms). |
| void SetSigprofActionAndTimer() { |
| struct itimerval timer; |
| timer.it_interval.tv_sec = 0; |
| timer.it_interval.tv_usec = 1; |
| timer.it_value = timer.it_interval; |
| ASSERT_EQ(0, setitimer(ITIMER_PROF, &timer, NULL)); |
| struct sigaction signal_action; |
| memset(&signal_action, 0, sizeof(signal_action)); |
| sigemptyset(&signal_action.sa_mask); |
| signal_action.sa_sigaction = SigprofAction; |
| signal_action.sa_flags = SA_RESTART | SA_SIGINFO; |
| ASSERT_EQ(0, sigaction(SIGPROF, &signal_action, NULL)); |
| } |
| |
| // Disables ITIMER_PROF timer and ignores SIGPROF signal. |
| void DisableSigprofActionAndTimer(struct sigaction* old_signal_action) { |
| struct itimerval timer; |
| timer.it_interval.tv_sec = 0; |
| timer.it_interval.tv_usec = 0; |
| timer.it_value = timer.it_interval; |
| ASSERT_EQ(0, setitimer(ITIMER_PROF, &timer, NULL)); |
| struct sigaction signal_action; |
| memset(&signal_action, 0, sizeof(signal_action)); |
| sigemptyset(&signal_action.sa_mask); |
| signal_action.sa_handler = SIG_IGN; |
| ASSERT_EQ(0, sigaction(SIGPROF, &signal_action, old_signal_action)); |
| } |
| |
| // Tests that death tests work when SIGPROF handler and timer are set. |
| TEST_F(TestForDeathTest, FastSigprofActionSet) { |
| testing::GTEST_FLAG(death_test_style) = "fast"; |
| SetSigprofActionAndTimer(); |
| EXPECT_DEATH(_exit(1), ""); |
| struct sigaction old_signal_action; |
| DisableSigprofActionAndTimer(&old_signal_action); |
| EXPECT_TRUE(old_signal_action.sa_sigaction == SigprofAction); |
| } |
| |
| TEST_F(TestForDeathTest, ThreadSafeSigprofActionSet) { |
| testing::GTEST_FLAG(death_test_style) = "threadsafe"; |
| SetSigprofActionAndTimer(); |
| EXPECT_DEATH(_exit(1), ""); |
| struct sigaction old_signal_action; |
| DisableSigprofActionAndTimer(&old_signal_action); |
| EXPECT_TRUE(old_signal_action.sa_sigaction == SigprofAction); |
| } |
| # endif // GTEST_OS_LINUX |
| |
| // Repeats a representative sample of death tests in the "threadsafe" style: |
| |
| TEST_F(TestForDeathTest, StaticMemberFunctionThreadsafeStyle) { |
| testing::GTEST_FLAG(death_test_style) = "threadsafe"; |
| ASSERT_DEATH(StaticMemberFunction(), "death.*StaticMember"); |
| } |
| |
| TEST_F(TestForDeathTest, MemberFunctionThreadsafeStyle) { |
| testing::GTEST_FLAG(death_test_style) = "threadsafe"; |
| should_die_ = true; |
| EXPECT_DEATH(MemberFunction(), "inside.*MemberFunction"); |
| } |
| |
| TEST_F(TestForDeathTest, ThreadsafeDeathTestInLoop) { |
| testing::GTEST_FLAG(death_test_style) = "threadsafe"; |
| |
| for (int i = 0; i < 3; ++i) |
| EXPECT_EXIT(_exit(i), testing::ExitedWithCode(i), "") << ": i = " << i; |
| } |
| |
| TEST_F(TestForDeathTest, ThreadsafeDeathTestInChangedDir) { |
| testing::GTEST_FLAG(death_test_style) = "threadsafe"; |
| |
| ChangeToRootDir(); |
| EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), ""); |
| |
| ChangeToRootDir(); |
| ASSERT_DEATH(_exit(1), ""); |
| } |
| |
| TEST_F(TestForDeathTest, MixedStyles) { |
| testing::GTEST_FLAG(death_test_style) = "threadsafe"; |
| EXPECT_DEATH(_exit(1), ""); |
| testing::GTEST_FLAG(death_test_style) = "fast"; |
| EXPECT_DEATH(_exit(1), ""); |
| } |
| |
| namespace { |
| |
| bool pthread_flag; |
| |
| void SetPthreadFlag() { |
| pthread_flag = true; |
| } |
| |
| } // namespace |
| |
| # if GTEST_HAS_CLONE && GTEST_HAS_PTHREAD |
| |
| TEST_F(TestForDeathTest, DoesNotExecuteAtforkHooks) { |
| if (!testing::GTEST_FLAG(death_test_use_fork)) { |
| testing::GTEST_FLAG(death_test_style) = "threadsafe"; |
| pthread_flag = false; |
| ASSERT_EQ(0, pthread_atfork(&SetPthreadFlag, NULL, NULL)); |
| ASSERT_DEATH(_exit(1), ""); |
| ASSERT_FALSE(pthread_flag); |
| } |
| } |
| |
| # endif // GTEST_HAS_CLONE && GTEST_HAS_PTHREAD |
| |
| // Tests that a method of another class can be used in a death test. |
| TEST_F(TestForDeathTest, MethodOfAnotherClass) { |
| const MayDie x(true); |
| ASSERT_DEATH(x.MemberFunction(), "MayDie\\:\\:MemberFunction"); |
| } |
| |
| // Tests that a global function can be used in a death test. |
| TEST_F(TestForDeathTest, GlobalFunction) { |
| EXPECT_DEATH(GlobalFunction(), "GlobalFunction"); |
| } |
| |
| // Tests that any value convertible to an RE works as a second |
| // argument to EXPECT_DEATH. |
| TEST_F(TestForDeathTest, AcceptsAnythingConvertibleToRE) { |
| static const char regex_c_str[] = "GlobalFunction"; |
| EXPECT_DEATH(GlobalFunction(), regex_c_str); |
| |
| const testing::internal::RE regex(regex_c_str); |
| EXPECT_DEATH(GlobalFunction(), regex); |
| |
| # if GTEST_HAS_GLOBAL_STRING |
| |
| const string regex_str(regex_c_str); |
| EXPECT_DEATH(GlobalFunction(), regex_str); |
| |
| # endif // GTEST_HAS_GLOBAL_STRING |
| |
| const ::std::string regex_std_str(regex_c_str); |
| EXPECT_DEATH(GlobalFunction(), regex_std_str); |
| } |
| |
| // Tests that a non-void function can be used in a death test. |
| TEST_F(TestForDeathTest, NonVoidFunction) { |
| ASSERT_DEATH(NonVoidFunction(), "NonVoidFunction"); |
| } |
| |
| // Tests that functions that take parameter(s) can be used in a death test. |
| TEST_F(TestForDeathTest, FunctionWithParameter) { |
| EXPECT_DEATH(DieIf(true), "DieIf\\(\\)"); |
| EXPECT_DEATH(DieIfLessThan(2, 3), "DieIfLessThan"); |
| } |
| |
| // Tests that ASSERT_DEATH can be used outside a TEST, TEST_F, or test fixture. |
| TEST_F(TestForDeathTest, OutsideFixture) { |
| DeathTestSubroutine(); |
| } |
| |
| // Tests that death tests can be done inside a loop. |
| TEST_F(TestForDeathTest, InsideLoop) { |
| for (int i = 0; i < 5; i++) { |
| EXPECT_DEATH(DieIfLessThan(-1, i), "DieIfLessThan") << "where i == " << i; |
| } |
| } |
| |
| // Tests that a compound statement can be used in a death test. |
| TEST_F(TestForDeathTest, CompoundStatement) { |
| EXPECT_DEATH({ // NOLINT |
| const int x = 2; |
| const int y = x + 1; |
| DieIfLessThan(x, y); |
| }, |
| "DieIfLessThan"); |
| } |
| |
| // Tests that code that doesn't die causes a death test to fail. |
| TEST_F(TestForDeathTest, DoesNotDie) { |
| EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(DieIf(false), "DieIf"), |
| "failed to die"); |
| } |
| |
| // Tests that a death test fails when the error message isn't expected. |
| TEST_F(TestForDeathTest, ErrorMessageMismatch) { |
| EXPECT_NONFATAL_FAILURE({ // NOLINT |
| EXPECT_DEATH(DieIf(true), "DieIfLessThan") << "End of death test message."; |
| }, "died but not with expected error"); |
| } |
| |
| // On exit, *aborted will be true iff the EXPECT_DEATH() statement |
| // aborted the function. |
| void ExpectDeathTestHelper(bool* aborted) { |
| *aborted = true; |
| EXPECT_DEATH(DieIf(false), "DieIf"); // This assertion should fail. |
| *aborted = false; |
| } |
| |
| // Tests that EXPECT_DEATH doesn't abort the test on failure. |
| TEST_F(TestForDeathTest, EXPECT_DEATH) { |
| bool aborted = true; |
| EXPECT_NONFATAL_FAILURE(ExpectDeathTestHelper(&aborted), |
| "failed to die"); |
| EXPECT_FALSE(aborted); |
| } |
| |
| // Tests that ASSERT_DEATH does abort the test on failure. |
| TEST_F(TestForDeathTest, ASSERT_DEATH) { |
| static bool aborted; |
| EXPECT_FATAL_FAILURE({ // NOLINT |
| aborted = true; |
| ASSERT_DEATH(DieIf(false), "DieIf"); // This assertion should fail. |
| aborted = false; |
| }, "failed to die"); |
| EXPECT_TRUE(aborted); |
| } |
| |
| // Tests that EXPECT_DEATH evaluates the arguments exactly once. |
| TEST_F(TestForDeathTest, SingleEvaluation) { |
| int x = 3; |
| EXPECT_DEATH(DieIf((++x) == 4), "DieIf"); |
| |
| const char* regex = "DieIf"; |
| const char* regex_save = regex; |
| EXPECT_DEATH(DieIfLessThan(3, 4), regex++); |
| EXPECT_EQ(regex_save + 1, regex); |
| } |
| |
| // Tests that run-away death tests are reported as failures. |
| TEST_F(TestForDeathTest, RunawayIsFailure) { |
| EXPECT_NONFATAL_FAILURE(EXPECT_DEATH(static_cast<void>(0), "Foo"), |
| "failed to die."); |
| } |
| |
| // Tests that death tests report executing 'return' in the statement as |
| // failure. |
| TEST_F(TestForDeathTest, ReturnIsFailure) { |
| EXPECT_FATAL_FAILURE(ASSERT_DEATH(return, "Bar"), |
| "illegal return in test statement."); |
| } |
| |
| // Tests that EXPECT_DEBUG_DEATH works as expected, that is, you can stream a |
| // message to it, and in debug mode it: |
| // 1. Asserts on death. |
| // 2. Has no side effect. |
| // |
| // And in opt mode, it: |
| // 1. Has side effects but does not assert. |
| TEST_F(TestForDeathTest, TestExpectDebugDeath) { |
| int sideeffect = 0; |
| |
| EXPECT_DEBUG_DEATH(DieInDebugElse12(&sideeffect), "death.*DieInDebugElse12") |
| << "Must accept a streamed message"; |
| |
| # ifdef NDEBUG |
| |
| // Checks that the assignment occurs in opt mode (sideeffect). |
| EXPECT_EQ(12, sideeffect); |
| |
| # else |
| |
| // Checks that the assignment does not occur in dbg mode (no sideeffect). |
| EXPECT_EQ(0, sideeffect); |
| |
| # endif |
| } |
| |
| // Tests that ASSERT_DEBUG_DEATH works as expected, that is, you can stream a |
| // message to it, and in debug mode it: |
| // 1. Asserts on death. |
| // 2. Has no side effect. |
| // |
| // And in opt mode, it: |
| // 1. Has side effects but does not assert. |
| TEST_F(TestForDeathTest, TestAssertDebugDeath) { |
| int sideeffect = 0; |
| |
| ASSERT_DEBUG_DEATH(DieInDebugElse12(&sideeffect), "death.*DieInDebugElse12") |
| << "Must accept a streamed message"; |
| |
| # ifdef NDEBUG |
| |
| // Checks that the assignment occurs in opt mode (sideeffect). |
| EXPECT_EQ(12, sideeffect); |
| |
| # else |
| |
| // Checks that the assignment does not occur in dbg mode (no sideeffect). |
| EXPECT_EQ(0, sideeffect); |
| |
| # endif |
| } |
| |
| # ifndef NDEBUG |
| |
| void ExpectDebugDeathHelper(bool* aborted) { |
| *aborted = true; |
| EXPECT_DEBUG_DEATH(return, "") << "This is expected to fail."; |
| *aborted = false; |
| } |
| |
| # if GTEST_OS_WINDOWS |
| TEST(PopUpDeathTest, DoesNotShowPopUpOnAbort) { |
| printf("This test should be considered failing if it shows " |
| "any pop-up dialogs.\n"); |
| fflush(stdout); |
| |
| EXPECT_DEATH({ |
| testing::GTEST_FLAG(catch_exceptions) = false; |
| abort(); |
| }, ""); |
| } |
| # endif // GTEST_OS_WINDOWS |
| |
| // Tests that EXPECT_DEBUG_DEATH in debug mode does not abort |
| // the function. |
| TEST_F(TestForDeathTest, ExpectDebugDeathDoesNotAbort) { |
| bool aborted = true; |
| EXPECT_NONFATAL_FAILURE(ExpectDebugDeathHelper(&aborted), ""); |
| EXPECT_FALSE(aborted); |
| } |
| |
| void AssertDebugDeathHelper(bool* aborted) { |
| *aborted = true; |
| ASSERT_DEBUG_DEATH(return, "") << "This is expected to fail."; |
| *aborted = false; |
| } |
| |
| // Tests that ASSERT_DEBUG_DEATH in debug mode aborts the function on |
| // failure. |
| TEST_F(TestForDeathTest, AssertDebugDeathAborts) { |
| static bool aborted; |
| aborted = false; |
| EXPECT_FATAL_FAILURE(AssertDebugDeathHelper(&aborted), ""); |
| EXPECT_TRUE(aborted); |
| } |
| |
| # endif // _NDEBUG |
| |
| // Tests the *_EXIT family of macros, using a variety of predicates. |
| static void TestExitMacros() { |
| EXPECT_EXIT(_exit(1), testing::ExitedWithCode(1), ""); |
| ASSERT_EXIT(_exit(42), testing::ExitedWithCode(42), ""); |
| |
| # if GTEST_OS_WINDOWS |
| |
| // Of all signals effects on the process exit code, only those of SIGABRT |
| // are documented on Windows. |
| // See http://msdn.microsoft.com/en-us/library/dwwzkt4c(VS.71).aspx. |
| EXPECT_EXIT(raise(SIGABRT), testing::ExitedWithCode(3), "") << "b_ar"; |
| |
| # else |
| |
| EXPECT_EXIT(raise(SIGKILL), testing::KilledBySignal(SIGKILL), "") << "foo"; |
| ASSERT_EXIT(raise(SIGUSR2), testing::KilledBySignal(SIGUSR2), "") << "bar"; |
| |
| EXPECT_FATAL_FAILURE({ // NOLINT |
| ASSERT_EXIT(_exit(0), testing::KilledBySignal(SIGSEGV), "") |
| << "This failure is expected, too."; |
| }, "This failure is expected, too."); |
| |
| # endif // GTEST_OS_WINDOWS |
| |
| EXPECT_NONFATAL_FAILURE({ // NOLINT |
| EXPECT_EXIT(raise(SIGSEGV), testing::ExitedWithCode(0), "") |
| << "This failure is expected."; |
| }, "This failure is expected."); |
| } |
| |
| TEST_F(TestForDeathTest, ExitMacros) { |
| TestExitMacros(); |
| } |
| |
| TEST_F(TestForDeathTest, ExitMacrosUsingFork) { |
| testing::GTEST_FLAG(death_test_use_fork) = true; |
| TestExitMacros(); |
| } |
| |
| TEST_F(TestForDeathTest, InvalidStyle) { |
| testing::GTEST_FLAG(death_test_style) = "rococo"; |
| EXPECT_NONFATAL_FAILURE({ // NOLINT |
| EXPECT_DEATH(_exit(0), "") << "This failure is expected."; |
| }, "This failure is expected."); |
| } |
| |
| TEST_F(TestForDeathTest, DeathTestFailedOutput) { |
| testing::GTEST_FLAG(death_test_style) = "fast"; |
| EXPECT_NONFATAL_FAILURE( |
| EXPECT_DEATH(DieWithMessage("death\n"), |
| "expected message"), |
| "Actual msg:\n" |
| "[ DEATH ] death\n"); |
| } |
| |
| TEST_F(TestForDeathTest, DeathTestUnexpectedReturnOutput) { |
| testing::GTEST_FLAG(death_test_style) = "fast"; |
| EXPECT_NONFATAL_FAILURE( |
| EXPECT_DEATH({ |
| fprintf(stderr, "returning\n"); |
| fflush(stderr); |
| return; |
| }, ""), |
| " Result: illegal return in test statement.\n" |
| " Error msg:\n" |
| "[ DEATH ] returning\n"); |
| } |
| |
| TEST_F(TestForDeathTest, DeathTestBadExitCodeOutput) { |
| testing::GTEST_FLAG(death_test_style) = "fast"; |
| EXPECT_NONFATAL_FAILURE( |
| EXPECT_EXIT(DieWithMessage("exiting with rc 1\n"), |
| testing::ExitedWithCode(3), |
| "expected message"), |
| " Result: died but not with expected exit code:\n" |
| " Exited with exit status 1\n" |
| "Actual msg:\n" |
| "[ DEATH ] exiting with rc 1\n"); |
| } |
| |
| TEST_F(TestForDeathTest, DeathTestMultiLineMatchFail) { |
| testing::GTEST_FLAG(death_test_style) = "fast"; |
| EXPECT_NONFATAL_FAILURE( |
| EXPECT_DEATH(DieWithMessage("line 1\nline 2\nline 3\n"), |
| "line 1\nxyz\nline 3\n"), |
| "Actual msg:\n" |
| "[ DEATH ] line 1\n" |
| "[ DEATH ] line 2\n" |
| "[ DEATH ] line 3\n"); |
| } |
| |
| TEST_F(TestForDeathTest, DeathTestMultiLineMatchPass) { |
| testing::GTEST_FLAG(death_test_style) = "fast"; |
| EXPECT_DEATH(DieWithMessage("line 1\nline 2\nline 3\n"), |
| "line 1\nline 2\nline 3\n"); |
| } |
| |
| // A DeathTestFactory that returns MockDeathTests. |
| class MockDeathTestFactory : public DeathTestFactory { |
| public: |
| MockDeathTestFactory(); |
| virtual bool Create(const char* statement, |
| const ::testing::internal::RE* regex, |
| const char* file, int line, DeathTest** test); |
| |
| // Sets the parameters for subsequent calls to Create. |
| void SetParameters(bool create, DeathTest::TestRole role, |
| int status, bool passed); |
| |
| // Accessors. |
| int AssumeRoleCalls() const { return assume_role_calls_; } |
| int WaitCalls() const { return wait_calls_; } |
| int PassedCalls() const { return passed_args_.size(); } |
| bool PassedArgument(int n) const { return passed_args_[n]; } |
| int AbortCalls() const { return abort_args_.size(); } |
| DeathTest::AbortReason AbortArgument(int n) const { |
| return abort_args_[n]; |
| } |
| bool TestDeleted() const { return test_deleted_; } |
| |
| private: |
| friend class MockDeathTest; |
| // If true, Create will return a MockDeathTest; otherwise it returns |
| // NULL. |
| bool create_; |
| // The value a MockDeathTest will return from its AssumeRole method. |
| DeathTest::TestRole role_; |
| // The value a MockDeathTest will return from its Wait method. |
| int status_; |
| // The value a MockDeathTest will return from its Passed method. |
| bool passed_; |
| |
| // Number of times AssumeRole was called. |
| int assume_role_calls_; |
| // Number of times Wait was called. |
| int wait_calls_; |
| // The arguments to the calls to Passed since the last call to |
| // SetParameters. |
| std::vector<bool> passed_args_; |
| // The arguments to the calls to Abort since the last call to |
| // SetParameters. |
| std::vector<DeathTest::AbortReason> abort_args_; |
| // True if the last MockDeathTest returned by Create has been |
| // deleted. |
| bool test_deleted_; |
| }; |
| |
| |
| // A DeathTest implementation useful in testing. It returns values set |
| // at its creation from its various inherited DeathTest methods, and |
| // reports calls to those methods to its parent MockDeathTestFactory |
| // object. |
| class MockDeathTest : public DeathTest { |
| public: |
| MockDeathTest(MockDeathTestFactory *parent, |
| TestRole role, int status, bool passed) : |
| parent_(parent), role_(role), status_(status), passed_(passed) { |
| } |
| virtual ~MockDeathTest() { |
| parent_->test_deleted_ = true; |
| } |
| virtual TestRole AssumeRole() { |
| ++parent_->assume_role_calls_; |
| return role_; |
| } |
| virtual int Wait() { |
| ++parent_->wait_calls_; |
| return status_; |
| } |
| virtual bool Passed(bool exit_status_ok) { |
| parent_->passed_args_.push_back(exit_status_ok); |
| return passed_; |
| } |
| virtual void Abort(AbortReason reason) { |
| parent_->abort_args_.push_back(reason); |
| } |
| |
| private: |
| MockDeathTestFactory* const parent_; |
| const TestRole role_; |
| const int status_; |
| const bool passed_; |
| }; |
| |
| |
| // MockDeathTestFactory constructor. |
| MockDeathTestFactory::MockDeathTestFactory() |
| : create_(true), |
| role_(DeathTest::OVERSEE_TEST), |
| status_(0), |
| passed_(true), |
| assume_role_calls_(0), |
| wait_calls_(0), |
| passed_args_(), |
| abort_args_() { |
| } |
| |
| |
| // Sets the parameters for subsequent calls to Create. |
| void MockDeathTestFactory::SetParameters(bool create, |
| DeathTest::TestRole role, |
| int status, bool passed) { |
| create_ = create; |
| role_ = role; |
| status_ = status; |
| passed_ = passed; |
| |
| assume_role_calls_ = 0; |
| wait_calls_ = 0; |
| passed_args_.clear(); |
| abort_args_.clear(); |
| } |
| |
| |
| // Sets test to NULL (if create_ is false) or to the address of a new |
| // MockDeathTest object with parameters taken from the last call |
| // to SetParameters (if create_ is true). Always returns true. |
| bool MockDeathTestFactory::Create(const char* /*statement*/, |
| const ::testing::internal::RE* /*regex*/, |
| const char* /*file*/, |
| int /*line*/, |
| DeathTest** test) { |
| test_deleted_ = false; |
| if (create_) { |
| *test = new MockDeathTest(this, role_, status_, passed_); |
| } else { |
| *test = NULL; |
| } |
| return true; |
| } |
| |
| // A test fixture for testing the logic of the GTEST_DEATH_TEST_ macro. |
| // It installs a MockDeathTestFactory that is used for the duration |
| // of the test case. |
| class MacroLogicDeathTest : public testing::Test { |
| protected: |
| static testing::internal::ReplaceDeathTestFactory* replacer_; |
| static MockDeathTestFactory* factory_; |
| |
| static void SetUpTestCase() { |
| factory_ = new MockDeathTestFactory; |
| replacer_ = new testing::internal::ReplaceDeathTestFactory(factory_); |
| } |
| |
| static void TearDownTestCase() { |
| delete replacer_; |
| replacer_ = NULL; |
| delete factory_; |
| factory_ = NULL; |
| } |
| |
| // Runs a death test that breaks the rules by returning. Such a death |
| // test cannot be run directly from a test routine that uses a |
| // MockDeathTest, or the remainder of the routine will not be executed. |
| static void RunReturningDeathTest(bool* flag) { |
| ASSERT_DEATH({ // NOLINT |
| *flag = true; |
| return; |
| }, ""); |
| } |
| }; |
| |
| testing::internal::ReplaceDeathTestFactory* MacroLogicDeathTest::replacer_ |
| = NULL; |
| MockDeathTestFactory* MacroLogicDeathTest::factory_ = NULL; |
| |
| |
| // Test that nothing happens when the factory doesn't return a DeathTest: |
| TEST_F(MacroLogicDeathTest, NothingHappens) { |
| bool flag = false; |
| factory_->SetParameters(false, DeathTest::OVERSEE_TEST, 0, true); |
| EXPECT_DEATH(flag = true, ""); |
| EXPECT_FALSE(flag); |
| EXPECT_EQ(0, factory_->AssumeRoleCalls()); |
| EXPECT_EQ(0, factory_->WaitCalls()); |
| EXPECT_EQ(0, factory_->PassedCalls()); |
| EXPECT_EQ(0, factory_->AbortCalls()); |
| EXPECT_FALSE(factory_->TestDeleted()); |
| } |
| |
| // Test that the parent process doesn't run the death test code, |
| // and that the Passed method returns false when the (simulated) |
| // child process exits with status 0: |
| TEST_F(MacroLogicDeathTest, ChildExitsSuccessfully) { |
| bool flag = false; |
| factory_->SetParameters(true, DeathTest::OVERSEE_TEST, 0, true); |
| EXPECT_DEATH(flag = true, ""); |
| EXPECT_FALSE(flag); |
| EXPECT_EQ(1, factory_->AssumeRoleCalls()); |
| EXPECT_EQ(1, factory_->WaitCalls()); |
| ASSERT_EQ(1, factory_->PassedCalls()); |
| EXPECT_FALSE(factory_->PassedArgument(0)); |
| EXPECT_EQ(0, factory_->AbortCalls()); |
| EXPECT_TRUE(factory_->TestDeleted()); |
| } |
| |
| // Tests that the Passed method was given the argument "true" when |
| // the (simulated) child process exits with status 1: |
| TEST_F(MacroLogicDeathTest, ChildExitsUnsuccessfully) { |
| bool flag = false; |
| factory_->SetParameters(true, DeathTest::OVERSEE_TEST, 1, true); |
| EXPECT_DEATH(flag = true, ""); |
| EXPECT_FALSE(flag); |
| EXPECT_EQ(1, factory_->AssumeRoleCalls()); |
| EXPECT_EQ(1, factory_->WaitCalls()); |
| ASSERT_EQ(1, factory_->PassedCalls()); |
| EXPECT_TRUE(factory_->PassedArgument(0)); |
| EXPECT_EQ(0, factory_->AbortCalls()); |
| EXPECT_TRUE(factory_->TestDeleted()); |
| } |
| |
| // Tests that the (simulated) child process executes the death test |
| // code, and is aborted with the correct AbortReason if it |
| // executes a return statement. |
| TEST_F(MacroLogicDeathTest, ChildPerformsReturn) { |
| bool flag = false; |
| factory_->SetParameters(true, DeathTest::EXECUTE_TEST, 0, true); |
| RunReturningDeathTest(&flag); |
| EXPECT_TRUE(flag); |
| EXPECT_EQ(1, factory_->AssumeRoleCalls()); |
| EXPECT_EQ(0, factory_->WaitCalls()); |
| EXPECT_EQ(0, factory_->PassedCalls()); |
| EXPECT_EQ(1, factory_->AbortCalls()); |
| EXPECT_EQ(DeathTest::TEST_ENCOUNTERED_RETURN_STATEMENT, |
| factory_->AbortArgument(0)); |
| EXPECT_TRUE(factory_->TestDeleted()); |
| } |
| |
| // Tests that the (simulated) child process is aborted with the |
| // correct AbortReason if it does not die. |
| TEST_F(MacroLogicDeathTest, ChildDoesNotDie) { |
| bool flag = false; |
| factory_->SetParameters(true, DeathTest::EXECUTE_TEST, 0, true); |
| EXPECT_DEATH(flag = true, ""); |
| EXPECT_TRUE(flag); |
| EXPECT_EQ(1, factory_->AssumeRoleCalls()); |
| EXPECT_EQ(0, factory_->WaitCalls()); |
| EXPECT_EQ(0, factory_->PassedCalls()); |
| // This time there are two calls to Abort: one since the test didn't |
| // die, and another from the ReturnSentinel when it's destroyed. The |
| // sentinel normally isn't destroyed if a test doesn't die, since |
| // _exit(2) is called in that case by ForkingDeathTest, but not by |
| // our MockDeathTest. |
| ASSERT_EQ(2, factory_->AbortCalls()); |
| EXPECT_EQ(DeathTest::TEST_DID_NOT_DIE, |
| factory_->AbortArgument(0)); |
| EXPECT_EQ(DeathTest::TEST_ENCOUNTERED_RETURN_STATEMENT, |
| factory_->AbortArgument(1)); |
| EXPECT_TRUE(factory_->TestDeleted()); |
| } |
| |
| // Tests that a successful death test does not register a successful |
| // test part. |
| TEST(SuccessRegistrationDeathTest, NoSuccessPart) { |
| EXPECT_DEATH(_exit(1), ""); |
| EXPECT_EQ(0, GetUnitTestImpl()->current_test_result()->total_part_count()); |
| } |
| |
| TEST(StreamingAssertionsDeathTest, DeathTest) { |
| EXPECT_DEATH(_exit(1), "") << "unexpected failure"; |
| ASSERT_DEATH(_exit(1), "") << "unexpected failure"; |
| EXPECT_NONFATAL_FAILURE({ // NOLINT |
| EXPECT_DEATH(_exit(0), "") << "expected failure"; |
| }, "expected failure"); |
| EXPECT_FATAL_FAILURE({ // NOLINT |
| ASSERT_DEATH(_exit(0), "") << "expected failure"; |
| }, "expected failure"); |
| } |
| |
| // Tests that GetLastErrnoDescription returns an empty string when the |
| // last error is 0 and non-empty string when it is non-zero. |
| TEST(GetLastErrnoDescription, GetLastErrnoDescriptionWorks) { |
| errno = ENOENT; |
| EXPECT_STRNE("", GetLastErrnoDescription().c_str()); |
| errno = 0; |
| EXPECT_STREQ("", GetLastErrnoDescription().c_str()); |
| } |
| |
| # if GTEST_OS_WINDOWS |
| TEST(AutoHandleTest, AutoHandleWorks) { |
| HANDLE handle = ::CreateEvent(NULL, FALSE, FALSE, NULL); |
| ASSERT_NE(INVALID_HANDLE_VALUE, handle); |
| |
| // Tests that the AutoHandle is correctly initialized with a handle. |
| testing::internal::AutoHandle auto_handle(handle); |
| EXPECT_EQ(handle, auto_handle.Get()); |
| |
| // Tests that Reset assigns INVALID_HANDLE_VALUE. |
| // Note that this cannot verify whether the original handle is closed. |
| auto_handle.Reset(); |
| EXPECT_EQ(INVALID_HANDLE_VALUE, auto_handle.Get()); |
| |
| // Tests that Reset assigns the new handle. |
| // Note that this cannot verify whether the original handle is closed. |
| handle = ::CreateEvent(NULL, FALSE, FALSE, NULL); |
| ASSERT_NE(INVALID_HANDLE_VALUE, handle); |
| auto_handle.Reset(handle); |
| EXPECT_EQ(handle, auto_handle.Get()); |
| |
| // Tests that AutoHandle contains INVALID_HANDLE_VALUE by default. |
| testing::internal::AutoHandle auto_handle2; |
| EXPECT_EQ(INVALID_HANDLE_VALUE, auto_handle2.Get()); |
| } |
| # endif // GTEST_OS_WINDOWS |
| |
| # if GTEST_OS_WINDOWS |
| typedef unsigned __int64 BiggestParsable; |
| typedef signed __int64 BiggestSignedParsable; |
| const BiggestParsable kBiggestParsableMax = ULLONG_MAX; |
| const BiggestSignedParsable kBiggestSignedParsableMax = LLONG_MAX; |
| # else |
| typedef unsigned long long BiggestParsable; |
| typedef signed long long BiggestSignedParsable; |
| const BiggestParsable kBiggestParsableMax = |
| ::std::numeric_limits<BiggestParsable>::max(); |
| const BiggestSignedParsable kBiggestSignedParsableMax = |
| ::std::numeric_limits<BiggestSignedParsable>::max(); |
| # endif // GTEST_OS_WINDOWS |
| |
| TEST(ParseNaturalNumberTest, RejectsInvalidFormat) { |
| BiggestParsable result = 0; |
| |
| // Rejects non-numbers. |
| EXPECT_FALSE(ParseNaturalNumber(String("non-number string"), &result)); |
| |
| // Rejects numbers with whitespace prefix. |
| EXPECT_FALSE(ParseNaturalNumber(String(" 123"), &result)); |
| |
| // Rejects negative numbers. |
| EXPECT_FALSE(ParseNaturalNumber(String("-123"), &result)); |
| |
| // Rejects numbers starting with a plus sign. |
| EXPECT_FALSE(ParseNaturalNumber(String("+123"), &result)); |
| errno = 0; |
| } |
| |
| TEST(ParseNaturalNumberTest, RejectsOverflownNumbers) { |
| BiggestParsable result = 0; |
| |
| EXPECT_FALSE(ParseNaturalNumber(String("99999999999999999999999"), &result)); |
| |
| signed char char_result = 0; |
| EXPECT_FALSE(ParseNaturalNumber(String("200"), &char_result)); |
| errno = 0; |
| } |
| |
| TEST(ParseNaturalNumberTest, AcceptsValidNumbers) { |
| BiggestParsable result = 0; |
| |
| result = 0; |
| ASSERT_TRUE(ParseNaturalNumber(String("123"), &result)); |
| EXPECT_EQ(123U, result); |
| |
| // Check 0 as an edge case. |
| result = 1; |
| ASSERT_TRUE(ParseNaturalNumber(String("0"), &result)); |
| EXPECT_EQ(0U, result); |
| |
| result = 1; |
| ASSERT_TRUE(ParseNaturalNumber(String("00000"), &result)); |
| EXPECT_EQ(0U, result); |
| } |
| |
| TEST(ParseNaturalNumberTest, AcceptsTypeLimits) { |
| Message msg; |
| msg << kBiggestParsableMax; |
| |
| BiggestParsable result = 0; |
| EXPECT_TRUE(ParseNaturalNumber(msg.GetString(), &result)); |
| EXPECT_EQ(kBiggestParsableMax, result); |
| |
| Message msg2; |
| msg2 << kBiggestSignedParsableMax; |
| |
| BiggestSignedParsable signed_result = 0; |
| EXPECT_TRUE(ParseNaturalNumber(msg2.GetString(), &signed_result)); |
| EXPECT_EQ(kBiggestSignedParsableMax, signed_result); |
| |
| Message msg3; |
| msg3 << INT_MAX; |
| |
| int int_result = 0; |
| EXPECT_TRUE(ParseNaturalNumber(msg3.GetString(), &int_result)); |
| EXPECT_EQ(INT_MAX, int_result); |
| |
| Message msg4; |
| msg4 << UINT_MAX; |
| |
| unsigned int uint_result = 0; |
| EXPECT_TRUE(ParseNaturalNumber(msg4.GetString(), &uint_result)); |
| EXPECT_EQ(UINT_MAX, uint_result); |
| } |
| |
| TEST(ParseNaturalNumberTest, WorksForShorterIntegers) { |
| short short_result = 0; |
| ASSERT_TRUE(ParseNaturalNumber(String("123"), &short_result)); |
| EXPECT_EQ(123, short_result); |
| |
| signed char char_result = 0; |
| ASSERT_TRUE(ParseNaturalNumber(String("123"), &char_result)); |
| EXPECT_EQ(123, char_result); |
| } |
| |
| # if GTEST_OS_WINDOWS |
| TEST(EnvironmentTest, HandleFitsIntoSizeT) { |
| // TODO(vladl@google.com): Remove this test after this condition is verified |
| // in a static assertion in gtest-death-test.cc in the function |
| // GetStatusFileDescriptor. |
| ASSERT_TRUE(sizeof(HANDLE) <= sizeof(size_t)); |
| } |
| # endif // GTEST_OS_WINDOWS |
| |
| // Tests that EXPECT_DEATH_IF_SUPPORTED/ASSERT_DEATH_IF_SUPPORTED trigger |
| // failures when death tests are available on the system. |
| TEST(ConditionalDeathMacrosDeathTest, ExpectsDeathWhenDeathTestsAvailable) { |
| EXPECT_DEATH_IF_SUPPORTED(DieInside("CondDeathTestExpectMacro"), |
| "death inside CondDeathTestExpectMacro"); |
| ASSERT_DEATH_IF_SUPPORTED(DieInside("CondDeathTestAssertMacro"), |
| "death inside CondDeathTestAssertMacro"); |
| |
| // Empty statement will not crash, which must trigger a failure. |
| EXPECT_NONFATAL_FAILURE(EXPECT_DEATH_IF_SUPPORTED(;, ""), ""); |
| EXPECT_FATAL_FAILURE(ASSERT_DEATH_IF_SUPPORTED(;, ""), ""); |
| } |
| |
| #else |
| |
| using testing::internal::CaptureStderr; |
| using testing::internal::GetCapturedStderr; |
| using testing::internal::String; |
| |
| // Tests that EXPECT_DEATH_IF_SUPPORTED/ASSERT_DEATH_IF_SUPPORTED are still |
| // defined but do not trigger failures when death tests are not available on |
| // the system. |
| TEST(ConditionalDeathMacrosTest, WarnsWhenDeathTestsNotAvailable) { |
| // Empty statement will not crash, but that should not trigger a failure |
| // when death tests are not supported. |
| CaptureStderr(); |
| EXPECT_DEATH_IF_SUPPORTED(;, ""); |
| String output = GetCapturedStderr(); |
| ASSERT_TRUE(NULL != strstr(output.c_str(), |
| "Death tests are not supported on this platform")); |
| ASSERT_TRUE(NULL != strstr(output.c_str(), ";")); |
| |
| // The streamed message should not be printed as there is no test failure. |
| CaptureStderr(); |
| EXPECT_DEATH_IF_SUPPORTED(;, "") << "streamed message"; |
| output = GetCapturedStderr(); |
| ASSERT_TRUE(NULL == strstr(output.c_str(), "streamed message")); |
| |
| CaptureStderr(); |
| ASSERT_DEATH_IF_SUPPORTED(;, ""); // NOLINT |
| output = GetCapturedStderr(); |
| ASSERT_TRUE(NULL != strstr(output.c_str(), |
| "Death tests are not supported on this platform")); |
| ASSERT_TRUE(NULL != strstr(output.c_str(), ";")); |
| |
| CaptureStderr(); |
| ASSERT_DEATH_IF_SUPPORTED(;, "") << "streamed message"; // NOLINT |
| output = GetCapturedStderr(); |
| ASSERT_TRUE(NULL == strstr(output.c_str(), "streamed message")); |
| } |
| |
| void FuncWithAssert(int* n) { |
| ASSERT_DEATH_IF_SUPPORTED(return;, ""); |
| (*n)++; |
| } |
| |
| // Tests that ASSERT_DEATH_IF_SUPPORTED does not return from the current |
| // function (as ASSERT_DEATH does) if death tests are not supported. |
| TEST(ConditionalDeathMacrosTest, AssertDeatDoesNotReturnhIfUnsupported) { |
| int n = 0; |
| FuncWithAssert(&n); |
| EXPECT_EQ(1, n); |
| } |
| #endif // GTEST_HAS_DEATH_TEST |
| |
| // Tests that the death test macros expand to code which may or may not |
| // be followed by operator<<, and that in either case the complete text |
| // comprises only a single C++ statement. |
| // |
| // The syntax should work whether death tests are available or not. |
| TEST(ConditionalDeathMacrosSyntaxDeathTest, SingleStatement) { |
| if (AlwaysFalse()) |
| // This would fail if executed; this is a compilation test only |
| ASSERT_DEATH_IF_SUPPORTED(return, ""); |
| |
| if (AlwaysTrue()) |
| EXPECT_DEATH_IF_SUPPORTED(_exit(1), ""); |
| else |
| // This empty "else" branch is meant to ensure that EXPECT_DEATH |
| // doesn't expand into an "if" statement without an "else" |
| ; // NOLINT |
| |
| if (AlwaysFalse()) |
| ASSERT_DEATH_IF_SUPPORTED(return, "") << "did not die"; |
| |
| if (AlwaysFalse()) |
| ; // NOLINT |
| else |
| EXPECT_DEATH_IF_SUPPORTED(_exit(1), "") << 1 << 2 << 3; |
| } |
| |
| // Tests that conditional death test macros expand to code which interacts |
| // well with switch statements. |
| TEST(ConditionalDeathMacrosSyntaxDeathTest, SwitchStatement) { |
| // Microsoft compiler usually complains about switch statements without |
| // case labels. We suppress that warning for this test. |
| #ifdef _MSC_VER |
| # pragma warning(push) |
| # pragma warning(disable: 4065) |
| #endif // _MSC_VER |
| |
| switch (0) |
| default: |
| ASSERT_DEATH_IF_SUPPORTED(_exit(1), "") |
| << "exit in default switch handler"; |
| |
| switch (0) |
| case 0: |
| EXPECT_DEATH_IF_SUPPORTED(_exit(1), "") << "exit in switch case"; |
| |
| #ifdef _MSC_VER |
| # pragma warning(pop) |
| #endif // _MSC_VER |
| } |
| |
| TEST(InDeathTestChildDeathTest, ReportsDeathTestCorrectlyInFastStyle) { |
| testing::GTEST_FLAG(death_test_style) = "fast"; |
| EXPECT_FALSE(InDeathTestChild()); |
| EXPECT_DEATH({ |
| fprintf(stderr, InDeathTestChild() ? "Inside" : "Outside"); |
| fflush(stderr); |
| _exit(1); |
| }, "Inside"); |
| } |
| |
| TEST(InDeathTestChildDeathTest, ReportsDeathTestCorrectlyInThreadSafeStyle) { |
| testing::GTEST_FLAG(death_test_style) = "threadsafe"; |
| EXPECT_FALSE(InDeathTestChild()); |
| EXPECT_DEATH({ |
| fprintf(stderr, InDeathTestChild() ? "Inside" : "Outside"); |
| fflush(stderr); |
| _exit(1); |
| }, "Inside"); |
| } |
| |
| // Tests that a test case whose name ends with "DeathTest" works fine |
| // on Windows. |
| TEST(NotADeathTest, Test) { |
| SUCCEED(); |
| } |