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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/at_exit.h"
#include "base/bind.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
int g_test_counter_1 = 0;
int g_test_counter_2 = 0;
void IncrementTestCounter1(void* unused) {
++g_test_counter_1;
}
void IncrementTestCounter2(void* unused) {
++g_test_counter_2;
}
void ZeroTestCounters() {
g_test_counter_1 = 0;
g_test_counter_2 = 0;
}
void ExpectCounter1IsZero(void* unused) {
EXPECT_EQ(0, g_test_counter_1);
}
void ExpectParamIsNull(void* param) {
EXPECT_EQ(static_cast<void*>(NULL), param);
}
void ExpectParamIsCounter(void* param) {
EXPECT_EQ(&g_test_counter_1, param);
}
} // namespace
class AtExitTest : public testing::Test {
private:
// Don't test the global AtExitManager, because asking it to process its
// AtExit callbacks can ruin the global state that other tests may depend on.
base::ShadowingAtExitManager exit_manager_;
};
TEST_F(AtExitTest, Basic) {
ZeroTestCounters();
base::AtExitManager::RegisterCallback(&IncrementTestCounter1, NULL);
base::AtExitManager::RegisterCallback(&IncrementTestCounter2, NULL);
base::AtExitManager::RegisterCallback(&IncrementTestCounter1, NULL);
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_F(AtExitTest, LIFOOrder) {
ZeroTestCounters();
base::AtExitManager::RegisterCallback(&IncrementTestCounter1, NULL);
base::AtExitManager::RegisterCallback(&ExpectCounter1IsZero, NULL);
base::AtExitManager::RegisterCallback(&IncrementTestCounter2, NULL);
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);
}
TEST_F(AtExitTest, Param) {
base::AtExitManager::RegisterCallback(&ExpectParamIsNull, NULL);
base::AtExitManager::RegisterCallback(&ExpectParamIsCounter,
&g_test_counter_1);
base::AtExitManager::ProcessCallbacksNow();
}
TEST_F(AtExitTest, Task) {
ZeroTestCounters();
base::AtExitManager::RegisterTask(base::Bind(&ExpectParamIsCounter,
&g_test_counter_1));
base::AtExitManager::ProcessCallbacksNow();
}
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