in contrib/googletest/googletest/src/gtest.cc [5772:5968]
bool UnitTestImpl::RunAllTests() {
// True if and only if Google Test is initialized before RUN_ALL_TESTS() is
// called.
const bool gtest_is_initialized_before_run_all_tests = GTestIsInitialized();
// Do not run any test if the --help flag was specified.
if (g_help_flag)
return true;
// Repeats the call to the post-flag parsing initialization in case the
// user didn't call InitGoogleTest.
PostFlagParsingInit();
// Even if sharding is not on, test runners may want to use the
// GTEST_SHARD_STATUS_FILE to query whether the test supports the sharding
// protocol.
internal::WriteToShardStatusFileIfNeeded();
// True if and only if we are in a subprocess for running a thread-safe-style
// death test.
bool in_subprocess_for_death_test = false;
#if GTEST_HAS_DEATH_TEST
in_subprocess_for_death_test =
(internal_run_death_test_flag_.get() != nullptr);
# if defined(GTEST_EXTRA_DEATH_TEST_CHILD_SETUP_)
if (in_subprocess_for_death_test) {
GTEST_EXTRA_DEATH_TEST_CHILD_SETUP_();
}
# endif // defined(GTEST_EXTRA_DEATH_TEST_CHILD_SETUP_)
#endif // GTEST_HAS_DEATH_TEST
const bool should_shard = ShouldShard(kTestTotalShards, kTestShardIndex,
in_subprocess_for_death_test);
// Compares the full test names with the filter to decide which
// tests to run.
const bool has_tests_to_run = FilterTests(should_shard
? HONOR_SHARDING_PROTOCOL
: IGNORE_SHARDING_PROTOCOL) > 0;
// Lists the tests and exits if the --gtest_list_tests flag was specified.
if (GTEST_FLAG_GET(list_tests)) {
// This must be called *after* FilterTests() has been called.
ListTestsMatchingFilter();
return true;
}
random_seed_ = GTEST_FLAG_GET(shuffle)
? GetRandomSeedFromFlag(GTEST_FLAG_GET(random_seed))
: 0;
// True if and only if at least one test has failed.
bool failed = false;
TestEventListener* repeater = listeners()->repeater();
start_timestamp_ = GetTimeInMillis();
repeater->OnTestProgramStart(*parent_);
// How many times to repeat the tests? We don't want to repeat them
// when we are inside the subprocess of a death test.
const int repeat = in_subprocess_for_death_test ? 1 : GTEST_FLAG_GET(repeat);
// Repeats forever if the repeat count is negative.
const bool gtest_repeat_forever = repeat < 0;
// Should test environments be set up and torn down for each repeat, or only
// set up on the first and torn down on the last iteration? If there is no
// "last" iteration because the tests will repeat forever, always recreate the
// environments to avoid leaks in case one of the environments is using
// resources that are external to this process. Without this check there would
// be no way to clean up those external resources automatically.
const bool recreate_environments_when_repeating =
GTEST_FLAG_GET(recreate_environments_when_repeating) ||
gtest_repeat_forever;
for (int i = 0; gtest_repeat_forever || i != repeat; i++) {
// We want to preserve failures generated by ad-hoc test
// assertions executed before RUN_ALL_TESTS().
ClearNonAdHocTestResult();
Timer timer;
// Shuffles test suites and tests if requested.
if (has_tests_to_run && GTEST_FLAG_GET(shuffle)) {
random()->Reseed(static_cast<uint32_t>(random_seed_));
// This should be done before calling OnTestIterationStart(),
// such that a test event listener can see the actual test order
// in the event.
ShuffleTests();
}
// Tells the unit test event listeners that the tests are about to start.
repeater->OnTestIterationStart(*parent_, i);
// Runs each test suite if there is at least one test to run.
if (has_tests_to_run) {
// Sets up all environments beforehand. If test environments aren't
// recreated for each iteration, only do so on the first iteration.
if (i == 0 || recreate_environments_when_repeating) {
repeater->OnEnvironmentsSetUpStart(*parent_);
ForEach(environments_, SetUpEnvironment);
repeater->OnEnvironmentsSetUpEnd(*parent_);
}
// Runs the tests only if there was no fatal failure or skip triggered
// during global set-up.
if (Test::IsSkipped()) {
// Emit diagnostics when global set-up calls skip, as it will not be
// emitted by default.
TestResult& test_result =
*internal::GetUnitTestImpl()->current_test_result();
for (int j = 0; j < test_result.total_part_count(); ++j) {
const TestPartResult& test_part_result =
test_result.GetTestPartResult(j);
if (test_part_result.type() == TestPartResult::kSkip) {
const std::string& result = test_part_result.message();
printf("%s\n", result.c_str());
}
}
fflush(stdout);
} else if (!Test::HasFatalFailure()) {
for (int test_index = 0; test_index < total_test_suite_count();
test_index++) {
GetMutableSuiteCase(test_index)->Run();
if (GTEST_FLAG_GET(fail_fast) &&
GetMutableSuiteCase(test_index)->Failed()) {
for (int j = test_index + 1; j < total_test_suite_count(); j++) {
GetMutableSuiteCase(j)->Skip();
}
break;
}
}
} else if (Test::HasFatalFailure()) {
// If there was a fatal failure during the global setup then we know we
// aren't going to run any tests. Explicitly mark all of the tests as
// skipped to make this obvious in the output.
for (int test_index = 0; test_index < total_test_suite_count();
test_index++) {
GetMutableSuiteCase(test_index)->Skip();
}
}
// Tears down all environments in reverse order afterwards. If test
// environments aren't recreated for each iteration, only do so on the
// last iteration.
if (i == repeat - 1 || recreate_environments_when_repeating) {
repeater->OnEnvironmentsTearDownStart(*parent_);
std::for_each(environments_.rbegin(), environments_.rend(),
TearDownEnvironment);
repeater->OnEnvironmentsTearDownEnd(*parent_);
}
}
elapsed_time_ = timer.Elapsed();
// Tells the unit test event listener that the tests have just finished.
repeater->OnTestIterationEnd(*parent_, i);
// Gets the result and clears it.
if (!Passed()) {
failed = true;
}
// Restores the original test order after the iteration. This
// allows the user to quickly repro a failure that happens in the
// N-th iteration without repeating the first (N - 1) iterations.
// This is not enclosed in "if (GTEST_FLAG(shuffle)) { ... }", in
// case the user somehow changes the value of the flag somewhere
// (it's always safe to unshuffle the tests).
UnshuffleTests();
if (GTEST_FLAG_GET(shuffle)) {
// Picks a new random seed for each iteration.
random_seed_ = GetNextRandomSeed(random_seed_);
}
}
repeater->OnTestProgramEnd(*parent_);
if (!gtest_is_initialized_before_run_all_tests) {
ColoredPrintf(
GTestColor::kRed,
"\nIMPORTANT NOTICE - DO NOT IGNORE:\n"
"This test program did NOT call " GTEST_INIT_GOOGLE_TEST_NAME_
"() before calling RUN_ALL_TESTS(). This is INVALID. Soon " GTEST_NAME_
" will start to enforce the valid usage. "
"Please fix it ASAP, or IT WILL START TO FAIL.\n"); // NOLINT
#if GTEST_FOR_GOOGLE_
ColoredPrintf(GTestColor::kRed,
"For more details, see http://wiki/Main/ValidGUnitMain.\n");
#endif // GTEST_FOR_GOOGLE_
}
return !failed;
}