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base / test / simple_test_clock.h [blame]
// Copyright 2012 The Chromium Authors
// 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_CLOCK_H_
#define BASE_TEST_SIMPLE_TEST_CLOCK_H_
#include "base/compiler_specific.h"
#include "base/synchronization/lock.h"
#include "base/time/clock.h"
#include "base/time/time.h"
namespace base {
// SimpleTestClock is a Clock implementation that gives control over
// the returned Time objects. All methods may be called from any
// thread.
class SimpleTestClock : public Clock {
public:
// Starts off with a clock set to Time().
SimpleTestClock();
~SimpleTestClock() override;
Time Now() const override;
// Advances the clock by |delta|.
void Advance(TimeDelta delta);
// Sets the clock to the given time.
void SetNow(Time now);
private:
// Protects |now_|.
mutable Lock lock_;
Time now_;
};
} // namespace base
#endif // BASE_TEST_SIMPLE_TEST_CLOCK_H_