Page Speed Optimization Libraries  1.2.24.1
net/instaweb/util/public/mock_timer.h
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00001 /*
00002  * Copyright 2010 Google Inc.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *      http:///www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00018 
00019 #ifndef NET_INSTAWEB_UTIL_PUBLIC_MOCK_TIMER_H_
00020 #define NET_INSTAWEB_UTIL_PUBLIC_MOCK_TIMER_H_
00021 
00022 #include <set>
00023 
00024 #include "net/instaweb/util/public/abstract_mutex.h"
00025 #include "net/instaweb/util/public/basictypes.h"
00026 #include "net/instaweb/util/public/scoped_ptr.h"
00027 #include "net/instaweb/util/public/timer.h"
00028 
00029 namespace net_instaweb {
00030 
00031 class Function;
00032 
00033 class MockTimer : public Timer {
00034  public:
00036   static const int64 kApr_5_2010_ms;
00037 
00038   explicit MockTimer(int64 time_ms);
00039   virtual ~MockTimer();
00040 
00043   void SetTimeUs(int64 new_time_us);
00044   void SetTimeMs(int64 new_time_ms) { SetTimeUs(1000 * new_time_ms); }
00045 
00047   void AdvanceUs(int64 delta_us) { SetTimeUs(time_us_ + delta_us); }
00048 
00050   void AdvanceMs(int64 delta_ms) { AdvanceUs(1000 * delta_ms); }
00051 
00053   virtual int64 NowUs() const;
00054   virtual void SleepUs(int64 us) { AdvanceUs(us); }
00055   virtual void SleepMs(int64 ms) { AdvanceUs(1000 * ms); }
00056 
00060   void set_mutex(AbstractMutex* mutex) { mutex_.reset(mutex); }
00061 
00062  private:
00063   int64 time_us_;
00064   scoped_ptr<AbstractMutex> mutex_;
00065 
00066   DISALLOW_COPY_AND_ASSIGN(MockTimer);
00067 };
00068 
00069 }  
00070 
00071 #endif  ///< NET_INSTAWEB_UTIL_PUBLIC_MOCK_TIMER_H_
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