/***
* This file is based on or incorporates material from the UnitTest++ r30 open source project.
* Microsoft is not the original author of this code but has modified it and is licensing the code under 
* the MIT License. Microsoft reserves all other rights not expressly granted under the MIT License, 
* whether by implication, estoppel or otherwise. 
*
* UnitTest++ r30 
*
* Copyright (c) 2006 Noel Llopis and Charles Nicholson
* Portions Copyright (c) Microsoft Corporation
*
* All Rights Reserved.
*
* MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
* and associated documentation files (the "Software"), to deal in the Software without restriction, 
* including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or 
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE 
* AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
***/

#include "TimeHelpers.h"
#include <unistd.h>

namespace UnitTest {

Timer::Timer()
{
    m_startTime.tv_sec = 0;
    m_startTime.tv_usec = 0;
}

void Timer::Start()
{
    gettimeofday(&m_startTime, 0);
}

double Timer::GetTimeInMs() const
{
    struct timeval currentTime;
    gettimeofday(&currentTime, 0);

	double const dsecs = currentTime.tv_sec - m_startTime.tv_sec;
    double const dus = currentTime.tv_usec - m_startTime.tv_usec;

	return (dsecs * 1000.0) + (dus / 1000.0);
}

void TimeHelpers::SleepMs(int ms)
{
    usleep(ms * 1000);
}

}