catch2/include/internal/catch_timer.hpp

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/*
* Created by Phil on 05/08/2013.
* Copyright 2013 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#include "catch_timer.h"
#include <chrono>
namespace Catch {
namespace {
uint64_t getCurrentMicrosecondsSinceEpoch() {
return std::chrono::duration_cast<std::chrono::microseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
}
}
void Timer::start() {
m_microSeconds = getCurrentMicrosecondsSinceEpoch();
}
unsigned int Timer::getElapsedMicroseconds() const {
return static_cast<unsigned int>(getCurrentMicrosecondsSinceEpoch() - m_microSeconds);
}
unsigned int Timer::getElapsedMilliseconds() const {
return static_cast<unsigned int>(getElapsedMicroseconds()/1000);
}
double Timer::getElapsedSeconds() const {
return getElapsedMicroseconds()/1000000.0;
}
} // namespace Catch