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// Copyright 2014 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 CC_TEST_TEST_NOW_SOURCE_H_
#define CC_TEST_TEST_NOW_SOURCE_H_
#include <string>
#include "base/basictypes.h"
#include "base/logging.h"
#include "base/trace_event/trace_event.h"
#include "base/trace_event/trace_event_argument.h"
namespace cc {
class TestNowSource : public base::RefCounted<TestNowSource> {
public:
static scoped_refptr<TestNowSource> Create();
static scoped_refptr<TestNowSource> Create(int64_t initial);
static scoped_refptr<TestNowSource> Create(base::TimeTicks initial);
virtual void Reset();
virtual base::TimeTicks Now() const;
virtual void SetNow(base::TimeTicks time);
virtual void AdvanceNow(base::TimeDelta period);
// Convenience functions to make it the now source easier to use in unit
// tests.
void AdvanceNowMicroseconds(int64_t period_in_microseconds);
void SetNowMicroseconds(int64_t time_in_microseconds);
static const base::TimeTicks kAbsoluteMaxNow;
// Tracing functions
scoped_refptr<base::trace_event::ConvertableToTraceFormat> AsValue() const;
void AsValueInto(base::trace_event::TracedValue* state) const;
std::string ToString() const;
protected:
TestNowSource();
explicit TestNowSource(int64_t initial);
explicit TestNowSource(base::TimeTicks initial);
base::TimeTicks initial_;
base::TimeTicks now_;
private:
friend class base::RefCounted<TestNowSource>;
virtual ~TestNowSource();
};
// gtest pretty printing functions
void PrintTo(const scoped_refptr<TestNowSource>& src, ::std::ostream* os);
::std::ostream& operator<<(::std::ostream& os,
const scoped_refptr<TestNowSource>& src);
} // namespace cc
#endif // CC_TEST_TEST_NOW_SOURCE_H_
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