blob: 4aecc54cc4ffee3e894cd4fef97760fce69338e8 [file] [log] [blame]
* Copyright 2016 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include "webrtc/base/criticalsection.h"
#include "webrtc/base/timedelta.h"
#include "webrtc/base/timeutils.h"
namespace rtc {
// Fake clock for use with unit tests, which does not tick on its own.
// Starts at time 0.
// TODO(deadbeef): Unify with webrtc::SimulatedClock.
class FakeClock : public ClockInterface {
~FakeClock() override {}
// ClockInterface implementation.
uint64_t TimeNanos() const override;
// Methods that can be used by the test to control the time.
// Should only be used to set a time in the future.
void SetTimeNanos(uint64_t nanos);
void AdvanceTime(TimeDelta delta);
CriticalSection lock_;
uint64_t time_ GUARDED_BY(lock_) = 0u;
// Helper class that sets itself as the global clock in its constructor and
// unsets it in its destructor.
class ScopedFakeClock : public FakeClock {
~ScopedFakeClock() override;
ClockInterface* prev_clock_;
} // namespace rtc