ref: 33afddadb9af6569bd8296ef1d48d0511b651e9d
dir: /third_party/googletest/src/test/gtest_repeat_test.cc/
// Copyright 2008, 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 the --gtest_repeat=number flag. #include <stdlib.h> #include <iostream> #include "gtest/gtest.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 testing { GTEST_DECLARE_string_(death_test_style); GTEST_DECLARE_string_(filter); GTEST_DECLARE_int32_(repeat); } // namespace testing using testing::GTEST_FLAG(death_test_style); using testing::GTEST_FLAG(filter); using testing::GTEST_FLAG(repeat); namespace { // We need this when we are testing Google Test itself and therefore // cannot use Google Test assertions. #define GTEST_CHECK_INT_EQ_(expected, actual) \ do {\ const int expected_val = (expected);\ const int actual_val = (actual);\ if (::testing::internal::IsTrue(expected_val != actual_val)) {\ ::std::cout << "Value of: " #actual "\n"\ << " Actual: " << actual_val << "\n"\ << "Expected: " #expected "\n"\ << "Which is: " << expected_val << "\n";\ ::testing::internal::posix::Abort();\ }\ } while(::testing::internal::AlwaysFalse()) // Used for verifying that global environment set-up and tear-down are // inside the gtest_repeat loop. int g_environment_set_up_count = 0; int g_environment_tear_down_count = 0; class MyEnvironment : public testing::Environment { public: MyEnvironment() {} virtual void SetUp() { g_environment_set_up_count++; } virtual void TearDown() { g_environment_tear_down_count++; } }; // A test that should fail. int g_should_fail_count = 0; TEST(FooTest, ShouldFail) { g_should_fail_count++; EXPECT_EQ(0, 1) << "Expected failure."; } // A test that should pass. int g_should_pass_count = 0; TEST(FooTest, ShouldPass) { g_should_pass_count++; } // A test that contains a thread-safe death test and a fast death // test. It should pass. int g_death_test_count = 0; TEST(BarDeathTest, ThreadSafeAndFast) { g_death_test_count++; GTEST_FLAG(death_test_style) = "threadsafe"; EXPECT_DEATH_IF_SUPPORTED(::testing::internal::posix::Abort(), ""); GTEST_FLAG(death_test_style) = "fast"; EXPECT_DEATH_IF_SUPPORTED(::testing::internal::posix::Abort(), ""); } #if GTEST_HAS_PARAM_TEST int g_param_test_count = 0; const int kNumberOfParamTests = 10; class MyParamTest : public testing::TestWithParam<int> {}; TEST_P(MyParamTest, ShouldPass) { // TODO(vladl@google.com): Make parameter value checking robust // WRT order of tests. GTEST_CHECK_INT_EQ_(g_param_test_count % kNumberOfParamTests, GetParam()); g_param_test_count++; } INSTANTIATE_TEST_CASE_P(MyParamSequence, MyParamTest, testing::Range(0, kNumberOfParamTests)); #endif // GTEST_HAS_PARAM_TEST // Resets the count for each test. void ResetCounts() { g_environment_set_up_count = 0; g_environment_tear_down_count = 0; g_should_fail_count = 0; g_should_pass_count = 0; g_death_test_count = 0; #if GTEST_HAS_PARAM_TEST g_param_test_count = 0; #endif // GTEST_HAS_PARAM_TEST } // Checks that the count for each test is expected. void CheckCounts(int expected) { GTEST_CHECK_INT_EQ_(expected, g_environment_set_up_count); GTEST_CHECK_INT_EQ_(expected, g_environment_tear_down_count); GTEST_CHECK_INT_EQ_(expected, g_should_fail_count); GTEST_CHECK_INT_EQ_(expected, g_should_pass_count); GTEST_CHECK_INT_EQ_(expected, g_death_test_count); #if GTEST_HAS_PARAM_TEST GTEST_CHECK_INT_EQ_(expected * kNumberOfParamTests, g_param_test_count); #endif // GTEST_HAS_PARAM_TEST } // Tests the behavior of Google Test when --gtest_repeat is not specified. void TestRepeatUnspecified() { ResetCounts(); GTEST_CHECK_INT_EQ_(1, RUN_ALL_TESTS()); CheckCounts(1); } // Tests the behavior of Google Test when --gtest_repeat has the given value. void TestRepeat(int repeat) { GTEST_FLAG(repeat) = repeat; ResetCounts(); GTEST_CHECK_INT_EQ_(repeat > 0 ? 1 : 0, RUN_ALL_TESTS()); CheckCounts(repeat); } // Tests using --gtest_repeat when --gtest_filter specifies an empty // set of tests. void TestRepeatWithEmptyFilter(int repeat) { GTEST_FLAG(repeat) = repeat; GTEST_FLAG(filter) = "None"; ResetCounts(); GTEST_CHECK_INT_EQ_(0, RUN_ALL_TESTS()); CheckCounts(0); } // Tests using --gtest_repeat when --gtest_filter specifies a set of // successful tests. void TestRepeatWithFilterForSuccessfulTests(int repeat) { GTEST_FLAG(repeat) = repeat; GTEST_FLAG(filter) = "*-*ShouldFail"; ResetCounts(); GTEST_CHECK_INT_EQ_(0, RUN_ALL_TESTS()); GTEST_CHECK_INT_EQ_(repeat, g_environment_set_up_count); GTEST_CHECK_INT_EQ_(repeat, g_environment_tear_down_count); GTEST_CHECK_INT_EQ_(0, g_should_fail_count); GTEST_CHECK_INT_EQ_(repeat, g_should_pass_count); GTEST_CHECK_INT_EQ_(repeat, g_death_test_count); #if GTEST_HAS_PARAM_TEST GTEST_CHECK_INT_EQ_(repeat * kNumberOfParamTests, g_param_test_count); #endif // GTEST_HAS_PARAM_TEST } // Tests using --gtest_repeat when --gtest_filter specifies a set of // failed tests. void TestRepeatWithFilterForFailedTests(int repeat) { GTEST_FLAG(repeat) = repeat; GTEST_FLAG(filter) = "*ShouldFail"; ResetCounts(); GTEST_CHECK_INT_EQ_(1, RUN_ALL_TESTS()); GTEST_CHECK_INT_EQ_(repeat, g_environment_set_up_count); GTEST_CHECK_INT_EQ_(repeat, g_environment_tear_down_count); GTEST_CHECK_INT_EQ_(repeat, g_should_fail_count); GTEST_CHECK_INT_EQ_(0, g_should_pass_count); GTEST_CHECK_INT_EQ_(0, g_death_test_count); #if GTEST_HAS_PARAM_TEST GTEST_CHECK_INT_EQ_(0, g_param_test_count); #endif // GTEST_HAS_PARAM_TEST } } // namespace int main(int argc, char **argv) { testing::InitGoogleTest(&argc, argv); testing::AddGlobalTestEnvironment(new MyEnvironment); TestRepeatUnspecified(); TestRepeat(0); TestRepeat(1); TestRepeat(5); TestRepeatWithEmptyFilter(2); TestRepeatWithEmptyFilter(3); TestRepeatWithFilterForSuccessfulTests(3); TestRepeatWithFilterForFailedTests(4); // It would be nice to verify that the tests indeed loop forever // when GTEST_FLAG(repeat) is negative, but this test will be quite // complicated to write. Since this flag is for interactive // debugging only and doesn't affect the normal test result, such a // test would be an overkill. printf("PASS\n"); return 0; }