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| 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_CLOCK_H_ |
| 6 #define BASE_SIMPLE_TEST_CLOCK_H_ |
| 7 |
| 8 #include "base/compiler_specific.h" |
| 9 #include "base/synchronization/lock.h" |
| 10 #include "base/time.h" |
| 11 #include "base/time/clock.h" |
| 12 |
| 13 namespace base { |
| 14 |
| 15 // SimpleTestClock is a Clock implementation that gives control over |
| 16 // the returned Time objects. All methods can be called from any |
| 17 // thread. |
| 18 class SimpleTestClock : public Clock { |
| 19 public: |
| 20 // Starts off with a clock set to Time(). |
| 21 SimpleTestClock(); |
| 22 virtual ~SimpleTestClock(); |
| 23 |
| 24 virtual Time Now() OVERRIDE; |
| 25 |
| 26 // Sets the current time forward by |delta|. Safe to call from any |
| 27 // thread. |
| 28 void Advance(TimeDelta delta); |
| 29 |
| 30 private: |
| 31 // Protects |now_|. |
| 32 Lock lock_; |
| 33 |
| 34 Time now_; |
| 35 }; |
| 36 |
| 37 } // namespace base |
| 38 |
| 39 #endif // BASE_SIMPLE_TEST_CLOCK_H_ |
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