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// Copyright 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.
#ifndef PLATFORM_TEST_FAKE_CLOCK_H_
#define PLATFORM_TEST_FAKE_CLOCK_H_
#include <atomic>
#include <vector>
#include "platform/api/time.h"
namespace openscreen {
namespace platform {
class FakeTaskRunner;
class FakeClock {
public:
explicit FakeClock(Clock::time_point start_time);
~FakeClock();
void Advance(Clock::duration delta);
static Clock::time_point now() noexcept;
protected:
friend class FakeTaskRunner;
void SubscribeToTimeChanges(FakeTaskRunner* task_runner);
void UnsubscribeFromTimeChanges(FakeTaskRunner* task_runner);
private:
std::vector<FakeTaskRunner*> task_runners_;
static std::atomic<Clock::time_point> now_;
};
} // namespace platform
} // namespace openscreen
#endif // PLATFORM_TEST_FAKE_CLOCK_H_
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