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// Copyright (c) 2018 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 "thread_annotations.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
class LOCKABLE Lock {
public:
void Acquire() EXCLUSIVE_LOCK_FUNCTION() {}
void Release() UNLOCK_FUNCTION() {}
};
class SCOPED_LOCKABLE AutoLock {
public:
AutoLock(Lock& lock) EXCLUSIVE_LOCK_FUNCTION(lock) : lock_(lock) {
lock.Acquire();
}
~AutoLock() UNLOCK_FUNCTION() { lock_.Release(); }
private:
Lock& lock_;
};
class ThreadSafe {
public:
void ExplicitIncrement();
void ImplicitIncrement();
private:
Lock lock_;
int counter_ GUARDED_BY(lock_);
};
void ThreadSafe::ExplicitIncrement() {
lock_.Acquire();
++counter_;
lock_.Release();
}
void ThreadSafe::ImplicitIncrement() {
AutoLock auto_lock(lock_);
counter_++;
}
TEST(ThreadAnnotationsTest, ExplicitIncrement) {
ThreadSafe thread_safe;
thread_safe.ExplicitIncrement();
}
TEST(ThreadAnnotationsTest, ImplicitIncrement) {
ThreadSafe thread_safe;
thread_safe.ImplicitIncrement();
}
} // anonymous namespace
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