text: /*=========================================================================
   *
   *  Copyright Insight Software Consortium
   *
   *  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 "itkSimpleFilterWatcher.h"
  #include "itkLabelContourImageFilter.h"
  #include "itkTestingMacros.h"
  
  int itkLabelContourImageFilterTest(int argc, char * argv[])
  {
    if( argc != 5 )
      {
      std::cerr << "usage: " << argv[0] << " intput output fullyConnected bg" << std::endl;
      std::cerr << " input: the input image" << std::endl;
      std::cerr << " output: the output image" << std::endl;
      std::cerr << " fullyConnected: 0 or 1" << std::endl;
      return EXIT_FAILURE;
      }
  
    constexpr int dim = 3;
  
    using PType = unsigned char;
    using IType = itk::Image< PType, dim >;
  
    using ReaderType = itk::ImageFileReader< IType >;
    ReaderType::Pointer reader = ReaderType::New();
    reader->SetFileName( argv[1] );
  
    using FilterType = itk::LabelContourImageFilter< IType, IType >;
    FilterType::Pointer filter = FilterType::New();
  
    // test default values
    if ( filter->GetFullyConnected( ) != false )
      {
      std::cerr << "Wrong default FullyConnected." << std::endl;
      return EXIT_FAILURE;
      }
    if ( filter->GetBackgroundValue( ) != 0 )
      {
      std::cerr << "Wrong default background value." << std::endl;
      return EXIT_FAILURE;
      }
  
    // Tests for raising code coverage
    EXERCISE_BASIC_OBJECT_METHODS(filter, LabelContourImageFilter, InPlaceImageFilter);
    TRY_EXPECT_EXCEPTION(filter->Update());
    TEST_SET_GET_BOOLEAN(filter, FullyConnected, atoi(argv[3]));
  
    filter->SetInput( reader->GetOutput() );
  
    filter->SetBackgroundValue( atoi(argv[4]) );
    if ( filter->GetBackgroundValue( ) != atoi(argv[4]) )
      {
      std::cerr << "Set/Get BackgroundValue problem." << std::endl;
      return EXIT_FAILURE;
      }
  
    itk::SimpleFilterWatcher watcher(filter, "filter");
  
    using WriterType = itk::ImageFileWriter< IType >;
    WriterType::Pointer writer = WriterType::New();
    writer->SetInput( filter->GetOutput() );
    writer->SetFileName( argv[2] );
  
    TRY_EXPECT_NO_EXCEPTION(writer->Update());
  
    return EXIT_SUCCESS;
  }
  