akalin@chromium.org | 63bf588 | 2013-02-22 06:50:34 +0900 | [diff] [blame] | 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 |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef BASE_SIMPLE_TEST_TICK_CLOCK_H_ |
| 6 | #define BASE_SIMPLE_TEST_TICK_CLOCK_H_ |
| 7 | |
| 8 | #include "base/compiler_specific.h" |
| 9 | #include "base/synchronization/lock.h" |
| 10 | #include "base/time.h" |
| 11 | #include "base/time/tick_clock.h" |
| 12 | |
| 13 | namespace base { |
| 14 | |
| 15 | // SimpleTestTickClock is a TickClock implementation that gives |
akalin@chromium.org | 6ccc1fd | 2013-02-26 10:51:17 +0900 | [diff] [blame^] | 16 | // control over the returned TimeTicks objects. All methods may be |
akalin@chromium.org | 63bf588 | 2013-02-22 06:50:34 +0900 | [diff] [blame] | 17 | // called from any thread. |
| 18 | class SimpleTestTickClock : public TickClock { |
| 19 | public: |
| 20 | // Starts off with a clock set to TimeTicks(). |
| 21 | SimpleTestTickClock(); |
| 22 | virtual ~SimpleTestTickClock(); |
| 23 | |
| 24 | virtual TimeTicks NowTicks() OVERRIDE; |
| 25 | |
akalin@chromium.org | 6ccc1fd | 2013-02-26 10:51:17 +0900 | [diff] [blame^] | 26 | // Advances the clock by |delta|, which must not be negative. |
akalin@chromium.org | 63bf588 | 2013-02-22 06:50:34 +0900 | [diff] [blame] | 27 | void Advance(TimeDelta delta); |
| 28 | |
| 29 | private: |
| 30 | // Protects |now_ticks_|. |
| 31 | Lock lock_; |
| 32 | |
| 33 | TimeTicks now_ticks_; |
| 34 | }; |
| 35 | |
| 36 | } // namespace base |
| 37 | |
| 38 | #endif // BASE_SIMPLE_TEST_TICK_CLOCK_H_ |