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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include <iostream>
#include "itkIndent.h"
#include "itkTimeProbe.h"
#include "itkMath.h"
int
itkTimeProbeTest(int, char *[])
{
// Create an ITK time probe
itk::TimeProbe localTimer;
// Print the initial values
std::cout << "Testing itk::TimeProbe" << std::endl;
std::cout << "Type: " << localTimer.GetType() << std::endl;
std::cout << "Unit: " << localTimer.GetUnit() << std::endl;
std::cout << "NumberOfStarts: " << localTimer.GetNumberOfStarts() << std::endl;
std::cout << "NumberOfStops: " << localTimer.GetNumberOfStops() << std::endl;
std::cout << "InstantValue: " << localTimer.GetInstantValue() << std::endl;
std::cout << "Total: " << localTimer.GetTotal() << std::endl;
std::cout << "Mean: " << localTimer.GetMean() << std::endl;
// time a task
localTimer.Start();
// usleep( 1000000 );//not portable
double sum = 0.0;
for (unsigned int i = 0; i < 1e6; ++i)
{
sum += i;
}
std::cout << "Dummy sum: " << sum << std::endl;
localTimer.Stop();
// Print current values
std::cout << "NumberOfStarts: " << localTimer.GetNumberOfStarts() << std::endl;
std::cout << "NumberOfStops: " << localTimer.GetNumberOfStops() << std::endl;
std::cout << "InstantValue: " << localTimer.GetInstantValue() << std::endl;
std::cout << "Total: " << localTimer.GetTotal() << std::endl;
std::cout << "Mean: " << localTimer.GetMean() << std::endl;
// invoke reset
localTimer.Reset();
if (localTimer.GetNumberOfStarts() != 0)
{
std::cerr << "Reset() failure" << std::endl;
return EXIT_FAILURE;
}
if (localTimer.GetNumberOfStops() != itk::TimeProbe::CountType{})
{
std::cerr << "Reset() failure" << std::endl;
return EXIT_FAILURE;
}
if (itk::Math::NotExactlyEquals(localTimer.GetTotal(), itk::TimeProbe::TimeStampType{}))
{
std::cerr << "Reset() failure" << std::endl;
return EXIT_FAILURE;
}
if (itk::Math::NotExactlyEquals(localTimer.GetMean(), itk::TimeProbe::TimeStampType{}))
{
std::cerr << "Reset() failure" << std::endl;
return EXIT_FAILURE;
}
/** Invoke GetRealTimeClock. */
itk::RealTimeStamp timeStamp = localTimer.GetRealTimeClock()->GetRealTimeStamp();
std::cout << "TimeInDays: " << timeStamp.GetTimeInDays() << std::endl;
std::cout << "TimeInHours: " << timeStamp.GetTimeInHours() << std::endl;
std::cout << "TimeInMinutes: " << timeStamp.GetTimeInMinutes() << std::endl;
std::cout << "TimeInSeconds: " << timeStamp.GetTimeInSeconds() << std::endl;
std::cout << "TimeInMilliSeconds: " << timeStamp.GetTimeInMilliSeconds() << std::endl;
std::cout << "TimeInMicroSeconds: " << timeStamp.GetTimeInMicroSeconds() << std::endl;
// Exercise the Print method
itk::Indent indent{};
localTimer.Print(std::cout, indent);
std::cout << "Test finished." << std::endl;
return EXIT_SUCCESS;
}
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