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ENH: Add
itk::RelabelComponenetsImageFilter
signedness test
Add a test to check that the `itk::RelabelComponenetsImageFilter` class does not trigger compiler warnings with signed pixel types. Ensures regressions are not introduced after the fix in commit 108a2cf.
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...es/Segmentation/ConnectedComponents/test/itkRelabelComponentImageFilterSignednessTest.cxx
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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. | ||
* | ||
*=========================================================================*/ | ||
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#include "itkImage.h" | ||
#include "itkRelabelComponentImageFilter.h" | ||
#include "itkTestingMacros.h" | ||
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int | ||
itkRelabelComponentImageFilterSignednessTest(int, char *[]) | ||
{ | ||
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constexpr unsigned int Dimension = 3; | ||
// Use a signed type | ||
using PixelType = signed short; | ||
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using ImageType = itk::Image<PixelType, Dimension>; | ||
using FilterType = itk::RelabelComponentImageFilter<ImageType, ImageType>; | ||
using LabelType = FilterType::LabelType; | ||
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auto relabeler = FilterType::New(); | ||
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// Call itk::RelabelComponentImageFilter methods to ensure that using a signed image does not raise any | ||
// signedness compilation warning in them | ||
LabelType label{}; | ||
itk::SizeValueType obj{}; | ||
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ITK_TEST_EXPECT_EQUAL(0, relabeler->GetSizeOfObjectInPixels(label)); | ||
ITK_TEST_EXPECT_EQUAL(0, relabeler->GetSizeOfObjectInPixels(obj)); | ||
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ITK_TEST_EXPECT_EQUAL(0, relabeler->GetSizeOfObjectInPhysicalUnits(label)); | ||
ITK_TEST_EXPECT_EQUAL(0, relabeler->GetSizeOfObjectInPhysicalUnits(obj)); | ||
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std::cout << "Test finished." << std::endl; | ||
return EXIT_SUCCESS; | ||
} |