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253 lines
8.0 KiB
253 lines
8.0 KiB
// Copyright 2008, Google Inc. |
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// All rights reserved. |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions are |
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// met: |
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// |
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// * Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// * Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following disclaimer |
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// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Google Inc. nor the names of its |
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// contributors may be used to endorse or promote products derived from |
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// this software without specific prior written permission. |
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// |
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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// |
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// Author: wan@google.com (Zhanyong Wan) |
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// Tests the --gtest_repeat=number flag. |
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#include <stdlib.h> |
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#include <iostream> |
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#include "gtest/gtest.h" |
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// Indicates that this translation unit is part of Google Test's |
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// implementation. It must come before gtest-internal-inl.h is |
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// included, or there will be a compiler error. This trick is to |
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// prevent a user from accidentally including gtest-internal-inl.h in |
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// his code. |
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#define GTEST_IMPLEMENTATION_ 1 |
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#include "src/gtest-internal-inl.h" |
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#undef GTEST_IMPLEMENTATION_ |
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namespace testing { |
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GTEST_DECLARE_string_(death_test_style); |
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GTEST_DECLARE_string_(filter); |
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GTEST_DECLARE_int32_(repeat); |
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} // namespace testing |
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using testing::GTEST_FLAG(death_test_style); |
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using testing::GTEST_FLAG(filter); |
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using testing::GTEST_FLAG(repeat); |
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namespace { |
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// We need this when we are testing Google Test itself and therefore |
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// cannot use Google Test assertions. |
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#define GTEST_CHECK_INT_EQ_(expected, actual) \ |
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do {\ |
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const int expected_val = (expected);\ |
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const int actual_val = (actual);\ |
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if (::testing::internal::IsTrue(expected_val != actual_val)) {\ |
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::std::cout << "Value of: " #actual "\n"\ |
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<< " Actual: " << actual_val << "\n"\ |
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<< "Expected: " #expected "\n"\ |
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<< "Which is: " << expected_val << "\n";\ |
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::testing::internal::posix::Abort();\ |
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}\ |
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} while (::testing::internal::AlwaysFalse()) |
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// Used for verifying that global environment set-up and tear-down are |
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// inside the gtest_repeat loop. |
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int g_environment_set_up_count = 0; |
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int g_environment_tear_down_count = 0; |
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class MyEnvironment : public testing::Environment { |
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public: |
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MyEnvironment() {} |
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virtual void SetUp() { g_environment_set_up_count++; } |
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virtual void TearDown() { g_environment_tear_down_count++; } |
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}; |
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// A test that should fail. |
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int g_should_fail_count = 0; |
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TEST(FooTest, ShouldFail) { |
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g_should_fail_count++; |
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EXPECT_EQ(0, 1) << "Expected failure."; |
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} |
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// A test that should pass. |
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int g_should_pass_count = 0; |
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TEST(FooTest, ShouldPass) { |
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g_should_pass_count++; |
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} |
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// A test that contains a thread-safe death test and a fast death |
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// test. It should pass. |
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int g_death_test_count = 0; |
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TEST(BarDeathTest, ThreadSafeAndFast) { |
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g_death_test_count++; |
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GTEST_FLAG(death_test_style) = "threadsafe"; |
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EXPECT_DEATH_IF_SUPPORTED(::testing::internal::posix::Abort(), ""); |
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GTEST_FLAG(death_test_style) = "fast"; |
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EXPECT_DEATH_IF_SUPPORTED(::testing::internal::posix::Abort(), ""); |
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} |
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#if GTEST_HAS_PARAM_TEST |
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int g_param_test_count = 0; |
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const int kNumberOfParamTests = 10; |
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class MyParamTest : public testing::TestWithParam<int> {}; |
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TEST_P(MyParamTest, ShouldPass) { |
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// TODO(vladl@google.com): Make parameter value checking robust |
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// WRT order of tests. |
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GTEST_CHECK_INT_EQ_(g_param_test_count % kNumberOfParamTests, GetParam()); |
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g_param_test_count++; |
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} |
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INSTANTIATE_TEST_CASE_P(MyParamSequence, |
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MyParamTest, |
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testing::Range(0, kNumberOfParamTests)); |
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#endif // GTEST_HAS_PARAM_TEST |
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// Resets the count for each test. |
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void ResetCounts() { |
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g_environment_set_up_count = 0; |
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g_environment_tear_down_count = 0; |
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g_should_fail_count = 0; |
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g_should_pass_count = 0; |
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g_death_test_count = 0; |
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#if GTEST_HAS_PARAM_TEST |
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g_param_test_count = 0; |
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#endif // GTEST_HAS_PARAM_TEST |
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} |
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// Checks that the count for each test is expected. |
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void CheckCounts(int expected) { |
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GTEST_CHECK_INT_EQ_(expected, g_environment_set_up_count); |
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GTEST_CHECK_INT_EQ_(expected, g_environment_tear_down_count); |
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GTEST_CHECK_INT_EQ_(expected, g_should_fail_count); |
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GTEST_CHECK_INT_EQ_(expected, g_should_pass_count); |
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GTEST_CHECK_INT_EQ_(expected, g_death_test_count); |
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#if GTEST_HAS_PARAM_TEST |
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GTEST_CHECK_INT_EQ_(expected * kNumberOfParamTests, g_param_test_count); |
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#endif // GTEST_HAS_PARAM_TEST |
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} |
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// Tests the behavior of Google Test when --gtest_repeat is not specified. |
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void TestRepeatUnspecified() { |
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ResetCounts(); |
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GTEST_CHECK_INT_EQ_(1, RUN_ALL_TESTS()); |
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CheckCounts(1); |
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} |
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// Tests the behavior of Google Test when --gtest_repeat has the given value. |
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void TestRepeat(int repeat) { |
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GTEST_FLAG(repeat) = repeat; |
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ResetCounts(); |
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GTEST_CHECK_INT_EQ_(repeat > 0 ? 1 : 0, RUN_ALL_TESTS()); |
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CheckCounts(repeat); |
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} |
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// Tests using --gtest_repeat when --gtest_filter specifies an empty |
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// set of tests. |
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void TestRepeatWithEmptyFilter(int repeat) { |
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GTEST_FLAG(repeat) = repeat; |
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GTEST_FLAG(filter) = "None"; |
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ResetCounts(); |
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GTEST_CHECK_INT_EQ_(0, RUN_ALL_TESTS()); |
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CheckCounts(0); |
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} |
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// Tests using --gtest_repeat when --gtest_filter specifies a set of |
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// successful tests. |
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void TestRepeatWithFilterForSuccessfulTests(int repeat) { |
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GTEST_FLAG(repeat) = repeat; |
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GTEST_FLAG(filter) = "*-*ShouldFail"; |
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ResetCounts(); |
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GTEST_CHECK_INT_EQ_(0, RUN_ALL_TESTS()); |
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GTEST_CHECK_INT_EQ_(repeat, g_environment_set_up_count); |
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GTEST_CHECK_INT_EQ_(repeat, g_environment_tear_down_count); |
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GTEST_CHECK_INT_EQ_(0, g_should_fail_count); |
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GTEST_CHECK_INT_EQ_(repeat, g_should_pass_count); |
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GTEST_CHECK_INT_EQ_(repeat, g_death_test_count); |
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#if GTEST_HAS_PARAM_TEST |
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GTEST_CHECK_INT_EQ_(repeat * kNumberOfParamTests, g_param_test_count); |
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#endif // GTEST_HAS_PARAM_TEST |
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} |
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// Tests using --gtest_repeat when --gtest_filter specifies a set of |
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// failed tests. |
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void TestRepeatWithFilterForFailedTests(int repeat) { |
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GTEST_FLAG(repeat) = repeat; |
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GTEST_FLAG(filter) = "*ShouldFail"; |
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ResetCounts(); |
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GTEST_CHECK_INT_EQ_(1, RUN_ALL_TESTS()); |
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GTEST_CHECK_INT_EQ_(repeat, g_environment_set_up_count); |
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GTEST_CHECK_INT_EQ_(repeat, g_environment_tear_down_count); |
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GTEST_CHECK_INT_EQ_(repeat, g_should_fail_count); |
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GTEST_CHECK_INT_EQ_(0, g_should_pass_count); |
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GTEST_CHECK_INT_EQ_(0, g_death_test_count); |
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#if GTEST_HAS_PARAM_TEST |
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GTEST_CHECK_INT_EQ_(0, g_param_test_count); |
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#endif // GTEST_HAS_PARAM_TEST |
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} |
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} // namespace |
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int main(int argc, char **argv) { |
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testing::InitGoogleTest(&argc, argv); |
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testing::AddGlobalTestEnvironment(new MyEnvironment); |
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TestRepeatUnspecified(); |
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TestRepeat(0); |
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TestRepeat(1); |
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TestRepeat(5); |
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TestRepeatWithEmptyFilter(2); |
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TestRepeatWithEmptyFilter(3); |
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TestRepeatWithFilterForSuccessfulTests(3); |
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TestRepeatWithFilterForFailedTests(4); |
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// It would be nice to verify that the tests indeed loop forever |
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// when GTEST_FLAG(repeat) is negative, but this test will be quite |
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// complicated to write. Since this flag is for interactive |
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// debugging only and doesn't affect the normal test result, such a |
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// test would be an overkill. |
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printf("PASS\n"); |
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return 0; |
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}
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