text: /*=========================================================================
  
    Program:   Insight Segmentation & Registration Toolkit
    Module:    itkLabelContourImageFilterTest.cxx
    Language:  C++
    Date:      $Date$
    Version:   $Revision$
  
    Copyright (c) Insight Software Consortium. All rights reserved.
    See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
  
       This software is distributed WITHOUT ANY WARRANTY; without even 
       the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
       PURPOSE.  See the above copyright notices for more information.
  
  =========================================================================*/
  
  #if defined(_MSC_VER)
  #pragma warning ( disable : 4786 )
  #endif
  
  #include "itkImageFileReader.h"
  #include "itkImageFileWriter.h"
  
  #include "itkSimpleFilterWatcher.h"
  #include <itkLabelContourImageFilter.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;
      }
  
    const int dim = 3;
    
    typedef unsigned char            PType;
    typedef itk::Image< PType, dim > IType;
  
    typedef itk::ImageFileReader< IType > ReaderType;
    ReaderType::Pointer reader = ReaderType::New();
    reader->SetFileName( argv[1] );
  
    typedef itk::LabelContourImageFilter< IType, IType > FilterType;
    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
    //
    try
      {
      filter->Update();
      std::cerr << "Failed to throw expected exception" << std::endl;
      return EXIT_FAILURE;
      }
    catch( itk::ExceptionObject & excp )
      {
      std::cout << excp << std::endl;
      std::cout << "caught EXPECTED exception for empty image as input" << std::endl;
      // TODO: should ResetPipeline() be required?
      filter->ResetPipeline();
      }
  
    filter->FullyConnectedOn();
    if( !filter->GetFullyConnected() )
      {
      std::cerr << "Set/GetFullyConnected() error" << std::endl;
      return EXIT_FAILURE;
      }
  
    filter->FullyConnectedOff();
    if( filter->GetFullyConnected() )
      {
      std::cerr << "Set/GetFullyConnected() error" << std::endl;
      return EXIT_FAILURE;
      }
  
  
    // set the inputs
  
    filter->SetInput( reader->GetOutput() );
    
    filter->SetFullyConnected( atoi(argv[3]) );
    if ( filter->GetFullyConnected( ) != (bool)atoi(argv[3]) )
      {
      std::cerr << "Set/Get FullyConnected problem." << std::endl;
      return EXIT_FAILURE;
      }
    
    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");
  
    typedef itk::ImageFileWriter< IType > WriterType;
    WriterType::Pointer writer = WriterType::New();
    writer->SetInput( filter->GetOutput() );
    writer->SetFileName( argv[2] );
    writer->Update();
  
    try
      {
      writer->Update();
      }
    catch ( itk::ExceptionObject & excp )
      {
      std::cerr << excp << std::endl;
      return EXIT_FAILURE;
      }
  
    return EXIT_SUCCESS;
  
  }
  