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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 "itkConnectedComponentImageFilter.h"
#include "itkSimpleFilterWatcher.h"
int
itkConnectedComponentImageFilterTooManyObjectsTest(int itkNotUsed(argc), char *[] itkNotUsed(argv))
{
using PixelType = unsigned char;
constexpr unsigned int Dimension = 2;
using ImageType = itk::Image<PixelType, Dimension>;
// create a test input image with more objects in it than what the output type
// can handle - 255
auto img = ImageType::New();
ImageType::SizeType size;
size.Fill(512);
img->SetRegions(size);
img->Allocate();
img->FillBuffer(0);
for (int x = 0; x < 512; x += 2)
{
ImageType::IndexType idx;
idx[0] = x;
for (int y = 0; y < 512; y += 2)
{
idx[1] = y;
img->SetPixel(idx, 255);
}
}
using FilterType = itk::ConnectedComponentImageFilter<ImageType, ImageType>;
auto filter = FilterType::New();
filter->SetInput(img);
itk::SimpleFilterWatcher watcher(filter);
try
{
filter->Update();
// no exception - that's not normal
}
catch (const itk::ExceptionObject & excep)
{
std::cerr << "exception caught:" << std::endl;
std::cerr << excep << std::endl;
return EXIT_SUCCESS;
}
return EXIT_FAILURE;
}
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