/*=========================================================================
 *
 *  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 <iostream>
#include "itkZeroCrossingImageFilter.h"
#include "itkNullImageToImageFilterDriver.hxx"
#include "itkTestingMacros.h"

inline std::ostream &
operator<<(std::ostream & o, const itk::Vector<float, 3> & v)
{
  o << '[' << v[0] << ' ' << v[1] << ' ' << v[2] << ']';
  return o;
}

int
itkZeroCrossingImageFilterTest(int, char *[])
{

  constexpr unsigned int Dimension = 2;
  using PixelType = float;

  using ImageType = itk::Image<PixelType, Dimension>;
  using FilterType = itk::ZeroCrossingImageFilter<ImageType, ImageType>;

  // Set up filter
  auto filter = FilterType::New();

  ITK_EXERCISE_BASIC_OBJECT_METHODS(filter, ZeroCrossingImageFilter, ImageToImageFilter);


  typename FilterType::OutputImagePixelType foregroundValue =
    itk::NumericTraits<typename FilterType::OutputImagePixelType>::OneValue();
  filter->SetForegroundValue(foregroundValue);
  ITK_TEST_SET_GET_VALUE(foregroundValue, filter->GetForegroundValue());

  typename FilterType::OutputImagePixelType backgroundValue{};
  filter->SetBackgroundValue(backgroundValue);
  ITK_TEST_SET_GET_VALUE(backgroundValue, filter->GetBackgroundValue());

  // Run Test
  itk::Size<2> sz;
  sz[0] = 100;
  sz[1] = 100;

  itk::NullImageToImageFilterDriver<ImageType, ImageType> test1;
  test1.SetImageSize(sz);
  test1.SetFilter(filter);

  ITK_TRY_EXPECT_NO_EXCEPTION(test1.Execute());


  std::cout << "Test finished" << std::endl;
  return EXIT_SUCCESS;
}
