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// 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.
#include "base/at_exit.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
int g_test_counter_1 = 0;
int g_test_counter_2 = 0;
void IncrementTestCounter1() {
++g_test_counter_1;
}
void IncrementTestCounter2() {
++g_test_counter_2;
}
void ZeroTestCounters() {
g_test_counter_1 = 0;
g_test_counter_2 = 0;
}
void ExpectCounter1IsZero() {
EXPECT_EQ(0, g_test_counter_1);
}
} // namespace
TEST(AtExitTest, Basic) {
ZeroTestCounters();
base::AtExitManager::RegisterCallback(&IncrementTestCounter1);
base::AtExitManager::RegisterCallback(&IncrementTestCounter2);
base::AtExitManager::RegisterCallback(&IncrementTestCounter1);
EXPECT_EQ(0, g_test_counter_1);
EXPECT_EQ(0, g_test_counter_2);
base::AtExitManager::ProcessCallbacksNow();
EXPECT_EQ(2, g_test_counter_1);
EXPECT_EQ(1, g_test_counter_2);
}
TEST(AtExitTest, LIFOOrder) {
ZeroTestCounters();
base::AtExitManager::RegisterCallback(&IncrementTestCounter1);
base::AtExitManager::RegisterCallback(&ExpectCounter1IsZero);
base::AtExitManager::RegisterCallback(&IncrementTestCounter2);
EXPECT_EQ(0, g_test_counter_1);
EXPECT_EQ(0, g_test_counter_2);
base::AtExitManager::ProcessCallbacksNow();
EXPECT_EQ(1, g_test_counter_1);
EXPECT_EQ(1, g_test_counter_2);
}
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