text: /*=========================================================================
   *
   *  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
   *
   *         http://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 "itkImageFileReader.h"
  #include "itkImageFileWriter.h"
  #include "itkAddImageFilter.h"
  #include "itkImageRegionIteratorWithIndex.h"
  #include "itkPipelineMonitorImageFilter.h"
  #include "itkTestingMacros.h"
  
  int
  itkAddImageFilterTest2(int argc, char * argv[])
  {
    if (argc != 3)
    {
      std::cerr << "Missing parameters." << std::endl;
      std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv);
      std::cerr << " <InputImage> <OutputImage>" << std::endl;
      return EXIT_FAILURE;
    }
    const char * inputImage = argv[1];
    const char * outputImage = argv[2];
  
    // Define the dimension of the images
    constexpr unsigned int Dimension = 2;
  
    using FloatPixelType = float;
    using IntegerPixelType = unsigned short;
  
    using FloatImageType = itk::Image<FloatPixelType, Dimension>;
    using IntegerImageType = itk::Image<IntegerPixelType, Dimension>;
  
    using FloatReaderType = itk::ImageFileReader<FloatImageType>;
    FloatReaderType::Pointer floatReader = FloatReaderType::New();
    floatReader->SetFileName(inputImage);
    floatReader->SetUseStreaming(true);
  
    using IntegerReaderType = itk::ImageFileReader<IntegerImageType>;
    IntegerReaderType::Pointer integerReader = IntegerReaderType::New();
    integerReader->SetFileName(inputImage);
    integerReader->SetUseStreaming(true);
  
    constexpr unsigned int streams = 4;
  
    using IntegerMonitorFilterType = itk::PipelineMonitorImageFilter<IntegerImageType>;
    IntegerMonitorFilterType::Pointer integerMonitorFilter = IntegerMonitorFilterType::New();
    integerMonitorFilter->SetInput(integerReader->GetOutput());
  
    // Test with different input types.
    using AddFilterType = itk::AddImageFilter<FloatImageType, IntegerImageType, FloatImageType>;
    AddFilterType::Pointer addFilter = AddFilterType::New();
    addFilter->SetInput1(floatReader->GetOutput());
    addFilter->SetInput2(integerMonitorFilter->GetOutput());
  
    using MonitorFilterType = itk::PipelineMonitorImageFilter<FloatImageType>;
    MonitorFilterType::Pointer monitorFilter = MonitorFilterType::New();
    monitorFilter->SetInput(addFilter->GetOutput());
  
    using WriterType = itk::ImageFileWriter<FloatImageType>;
    WriterType::Pointer writer = WriterType::New();
    writer->SetInput(monitorFilter->GetOutput());
    writer->SetNumberOfStreamDivisions(streams);
    writer->SetFileName(outputImage);
  
    ITK_TRY_EXPECT_NO_EXCEPTION(writer->Update());
  
    ITK_TEST_EXPECT_TRUE(monitorFilter->VerifyInputFilterExecutedStreaming(streams));
    ITK_TEST_EXPECT_TRUE(integerMonitorFilter->VerifyInputFilterExecutedStreaming(streams));
  
    return EXIT_SUCCESS;
  }
  