// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_TEST_SIMPLE_TEST_CLOCK_H_
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#define BASE_TEST_SIMPLE_TEST_CLOCK_H_
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#include "base/compiler_specific.h"
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#include "base/synchronization/lock.h"
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#include "base/time/clock.h"
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#include "base/time/time.h"
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namespace base {
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// SimpleTestClock is a Clock implementation that gives control over
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// the returned Time objects. All methods may be called from any
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// thread.
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class SimpleTestClock : public Clock {
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public:
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// Starts off with a clock set to Time().
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SimpleTestClock();
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~SimpleTestClock() override;
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Time Now() const override;
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// Advances the clock by |delta|.
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void Advance(TimeDelta delta);
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// Sets the clock to the given time.
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void SetNow(Time now);
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private:
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// Protects |now_|.
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mutable Lock lock_;
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Time now_;
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};
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} // namespace base
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#endif // BASE_TEST_SIMPLE_TEST_CLOCK_H_
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