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| 1 /* | 1 /* |
| 2 * Copyright 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright 2016 The WebRTC project authors. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ | 9 */ |
| 10 | 10 |
| 11 #ifndef WEBRTC_BASE_FAKECLOCK_H_ | 11 #ifndef WEBRTC_BASE_FAKECLOCK_H_ |
| 12 #define WEBRTC_BASE_FAKECLOCK_H_ | 12 #define WEBRTC_BASE_FAKECLOCK_H_ |
| 13 | 13 |
| 14 #include "webrtc/base/criticalsection.h" | |
| 15 #include "webrtc/base/timedelta.h" | |
| 16 #include "webrtc/base/timeutils.h" | |
| 17 | 14 |
| 18 namespace rtc { | 15 // This header is deprecated and is just left here temporarily during |
| 19 | 16 // refactoring. See https://bugs.webrtc.org/7634 for more details. |
| 20 // Fake clock for use with unit tests, which does not tick on its own. | 17 #include "webrtc/rtc_base/fakeclock.h" |
| 21 // Starts at time 0. | |
| 22 // | |
| 23 // TODO(deadbeef): Unify with webrtc::SimulatedClock. | |
| 24 class FakeClock : public ClockInterface { | |
| 25 public: | |
| 26 ~FakeClock() override {} | |
| 27 | |
| 28 // ClockInterface implementation. | |
| 29 int64_t TimeNanos() const override; | |
| 30 | |
| 31 // Methods that can be used by the test to control the time. | |
| 32 | |
| 33 // Should only be used to set a time in the future. | |
| 34 void SetTimeNanos(int64_t nanos); | |
| 35 void SetTimeMicros(int64_t micros) { | |
| 36 SetTimeNanos(kNumNanosecsPerMicrosec * micros); | |
| 37 } | |
| 38 | |
| 39 void AdvanceTime(TimeDelta delta); | |
| 40 void AdvanceTimeMicros(int64_t micros) { | |
| 41 AdvanceTime(rtc::TimeDelta::FromMicroseconds(micros)); | |
| 42 } | |
| 43 private: | |
| 44 CriticalSection lock_; | |
| 45 int64_t time_ GUARDED_BY(lock_) = 0; | |
| 46 }; | |
| 47 | |
| 48 // Helper class that sets itself as the global clock in its constructor and | |
| 49 // unsets it in its destructor. | |
| 50 class ScopedFakeClock : public FakeClock { | |
| 51 public: | |
| 52 ScopedFakeClock(); | |
| 53 ~ScopedFakeClock() override; | |
| 54 | |
| 55 private: | |
| 56 ClockInterface* prev_clock_; | |
| 57 }; | |
| 58 | |
| 59 // Helper class to "undo" the fake clock temporarily. | |
| 60 class ScopedRealClock { | |
| 61 public: | |
| 62 ScopedRealClock(); | |
| 63 ~ScopedRealClock(); | |
| 64 | |
| 65 private: | |
| 66 ClockInterface* prev_clock_; | |
| 67 }; | |
| 68 | |
| 69 } // namespace rtc | |
| 70 | 18 |
| 71 #endif // WEBRTC_BASE_FAKECLOCK_H_ | 19 #endif // WEBRTC_BASE_FAKECLOCK_H_ |
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