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/*! ========================================================================
** Extended Template and Library Test Suite
** Clock Test
** $Id$
**
** Copyright (c) 2002 Robert B. Quattlebaum Jr.
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
** published by the Free Software Foundation; either version 2 of
** the License, or (at your option) any later version.
**
** This package is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details.
**
** === N O T E S ===========================================================
**
** ========================================================================= */
/* === H E A D E R S ======================================================= */
#include <ETL/clock>
#include <stdio.h>
#include <chrono>
#include <thread>
/* === M A C R O S ========================================================= */
using namespace etl;
/* === C L A S S E S ======================================================= */
/* === P R O C E D U R E S ================================================= */
int basic_test(void)
{
int ret=0;
etl::clock timer;
float amount, total;
for(amount=3.0;amount>=0.00015;amount/=2.0)
{
if(amount*1000000.0<1000.0f)
fprintf(stderr,"waiting %f microseconds...\n",amount*1000000.0);
else if(amount*1000.0<400.0f)
fprintf(stderr,"waiting %f milliseconds...\n",amount*1000.0);
else
fprintf(stderr,"waiting %f seconds...\n",amount);
timer.reset();
std::this_thread::sleep_for(std::chrono::microseconds ((std::int64_t)(amount*1000000.f)));
total=timer();
if((total-amount)*1000000.0<1000.0f)
fprintf(stderr," ** I waited %f seconds, error of %f microseconds\n",total,(total-amount)*1000000);
else if((total-amount)*1000.0<400.0f)
fprintf(stderr," ** I waited %f seconds, error of %f milliseconds\n",total,(total-amount)*1000);
else
fprintf(stderr," ** I waited %f seconds, error of %f seconds\n",total,total-amount);
}
return ret;
}
/* === E N T R Y P O I N T ================================================= */
int main()
{
int error=0;
error+=basic_test();
return error;
}
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