// base/timer-test.cc
  
  // Copyright 2009-2011  Microsoft Corporation
  //                2014  Johns Hopkins University (author: Daniel Povey)
  
  // See ../../COPYING for clarification regarding multiple authors
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  
  //  http://www.apache.org/licenses/LICENSE-2.0
  
  // THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
  // WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
  // MERCHANTABLITY OR NON-INFRINGEMENT.
  // See the Apache 2 License for the specific language governing permissions and
  // limitations under the License.
  
  #include "base/timer.h"
  #include "base/kaldi-common.h"
  #include "base/kaldi-utils.h"
  
  
  namespace kaldi {
  
  void TimerTest() {
    float time_secs = 0.025 * (rand() % 10);
    std::cout << "target is " << time_secs << "
  ";
    Timer timer;
    Sleep(time_secs);
    BaseFloat f = timer.Elapsed();
    std::cout << "time is " << f << std::endl;
    if (fabs(time_secs - f) > 0.05)
      KALDI_ERR << "Timer fail: waited " << f << " seconds instead of "
                <<  time_secs << " secs.";
  }
  }
  
  
  int main() {
    for (int i = 0; i < 4; i++)
      kaldi::TimerTest();
  }