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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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