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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 "itkThreadedImageRegionPartitioner.h"
#include "itkTestingMacros.h"
/*
* Main test entry function
*/
int
itkThreadedImageRegionPartitionerTest(int, char *[])
{
constexpr unsigned int Dimension = 2;
using ThreadedImageRegionPartitionerType = itk::ThreadedImageRegionPartitioner<Dimension>;
ThreadedImageRegionPartitionerType::Pointer threadedImageRegionPartitioner =
ThreadedImageRegionPartitionerType::New();
ITK_EXERCISE_BASIC_OBJECT_METHODS(
threadedImageRegionPartitioner, ThreadedImageRegionPartitioner, ThreadedDomainPartitioner);
using ImageRegionType = ThreadedImageRegionPartitionerType::DomainType;
using SizeType = ImageRegionType::SizeType;
using IndexType = ImageRegionType::IndexType;
SizeType size;
IndexType index;
size.Fill(97);
index.Fill(4);
ImageRegionType completeRegion;
completeRegion.SetSize(size);
completeRegion.SetIndex(index);
// Define the expected results
ImageRegionType expectedRegion;
std::vector<ImageRegionType> expectedSubRegions;
size[1] = 25;
expectedRegion.SetIndex(index);
expectedRegion.SetSize(size);
expectedSubRegions.push_back(expectedRegion);
index[1] = 29;
expectedRegion.SetIndex(index);
expectedSubRegions.push_back(expectedRegion);
index[1] = 54;
expectedRegion.SetIndex(index);
expectedSubRegions.push_back(expectedRegion);
index[1] = 79;
expectedRegion.SetIndex(index);
size[1] = 22;
expectedRegion.SetSize(size);
expectedSubRegions.push_back(expectedRegion);
constexpr itk::ThreadIdType totalThreads = 4;
ImageRegionType subRegion;
for (itk::ThreadIdType i = 0; i < totalThreads; ++i)
{
threadedImageRegionPartitioner->PartitionDomain(i, totalThreads, completeRegion, subRegion);
std::cout << "The resulting subregion for thread: " << i << " is : " << subRegion << std::endl;
if (expectedSubRegions[i] != subRegion)
{
std::cerr << "The calculated sub-region, " << subRegion
<< " did not match the expected region: " << expectedSubRegions[i] << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
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