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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_SIMPLE_TEST_TICK_CLOCK_H_ | 5 #ifndef BASE_SIMPLE_TEST_TICK_CLOCK_H_ |
6 #define BASE_SIMPLE_TEST_TICK_CLOCK_H_ | 6 #define BASE_SIMPLE_TEST_TICK_CLOCK_H_ |
7 | 7 |
8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
9 #include "base/synchronization/lock.h" | 9 #include "base/synchronization/lock.h" |
10 #include "base/time.h" | |
11 #include "base/time/tick_clock.h" | 10 #include "base/time/tick_clock.h" |
| 11 #include "base/time/time.h" |
12 | 12 |
13 namespace base { | 13 namespace base { |
14 | 14 |
15 // SimpleTestTickClock is a TickClock implementation that gives | 15 // SimpleTestTickClock is a TickClock implementation that gives |
16 // control over the returned TimeTicks objects. All methods may be | 16 // control over the returned TimeTicks objects. All methods may be |
17 // called from any thread. | 17 // called from any thread. |
18 class SimpleTestTickClock : public TickClock { | 18 class SimpleTestTickClock : public TickClock { |
19 public: | 19 public: |
20 // Starts off with a clock set to TimeTicks(). | 20 // Starts off with a clock set to TimeTicks(). |
21 SimpleTestTickClock(); | 21 SimpleTestTickClock(); |
22 virtual ~SimpleTestTickClock(); | 22 virtual ~SimpleTestTickClock(); |
23 | 23 |
24 virtual TimeTicks NowTicks() OVERRIDE; | 24 virtual TimeTicks NowTicks() OVERRIDE; |
25 | 25 |
26 // Advances the clock by |delta|, which must not be negative. | 26 // Advances the clock by |delta|, which must not be negative. |
27 void Advance(TimeDelta delta); | 27 void Advance(TimeDelta delta); |
28 | 28 |
29 private: | 29 private: |
30 // Protects |now_ticks_|. | 30 // Protects |now_ticks_|. |
31 Lock lock_; | 31 Lock lock_; |
32 | 32 |
33 TimeTicks now_ticks_; | 33 TimeTicks now_ticks_; |
34 }; | 34 }; |
35 | 35 |
36 } // namespace base | 36 } // namespace base |
37 | 37 |
38 #endif // BASE_SIMPLE_TEST_TICK_CLOCK_H_ | 38 #endif // BASE_SIMPLE_TEST_TICK_CLOCK_H_ |
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