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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "gtest/gtest.h"
#include "chre/util/conditional_lock_guard.h"
using chre::ConditionalLockGuard;
class MockMutex {
public:
MockMutex() : mLockCount(0) {}
void lock() {
mLockCount++;
}
void unlock() {
mLockCount--;
}
int getLockCount() {
return mLockCount;
}
private:
int mLockCount;
};
TEST(ConditionalLockGuard, LockUnlock) {
MockMutex mutex;
ASSERT_EQ(mutex.getLockCount(), 0);
{
ConditionalLockGuard<MockMutex> lock(mutex, true);
EXPECT_EQ(mutex.getLockCount(), 1);
}
EXPECT_EQ(mutex.getLockCount(), 0);
}
TEST(ConditionalLockGuard, DontLock) {
MockMutex mutex;
ASSERT_EQ(mutex.getLockCount(), 0);
{
ConditionalLockGuard<MockMutex> lock(mutex, false);
EXPECT_EQ(mutex.getLockCount(), 0);
}
EXPECT_EQ(mutex.getLockCount(), 0);
}