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// Copyright (c) 2012 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 BASE_TEST_SIMPLE_TEST_TICK_CLOCK_H_
#define BASE_TEST_SIMPLE_TEST_TICK_CLOCK_H_
#include "base/compiler_specific.h"
#include "base/synchronization/lock.h"
#include "base/time/tick_clock.h"
#include "base/time/time.h"
namespace base {
// SimpleTestTickClock is a TickClock implementation that gives
// control over the returned TimeTicks objects. All methods may be
// called from any thread.
class SimpleTestTickClock : public TickClock {
public:
// Starts off with a clock set to TimeTicks().
SimpleTestTickClock();
~SimpleTestTickClock() override;
TimeTicks NowTicks() const override;
// Advances the clock by |delta|, which must not be negative.
void Advance(TimeDelta delta);
// Sets the clock to the given time.
void SetNowTicks(TimeTicks ticks);
private:
// Protects |now_ticks_|.
mutable Lock lock_;
TimeTicks now_ticks_;
};
} // namespace base
#endif // BASE_TEST_SIMPLE_TEST_TICK_CLOCK_H_