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Side by Side Diff: webrtc/base/fakeclock.h

Issue 2877023002: Move webrtc/{base => rtc_base} (Closed)
Patch Set: update presubmit.py and DEPS include rules Created 3 years, 5 months ago
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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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