/*=========================================================================

  Program:   Visualization Toolkit
  Module:    ArrayExtents.cxx

-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/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 notice for more information.

=========================================================================*/

#include <vtkArrayCoordinates.h>
#include <vtkArrayExtents.h>

#include <vtksys/ios/iostream>
#include <vtksys/ios/sstream>
#include <vtksys/stl/stdexcept>
#include "vtkSetGet.h"

#define test_expression(expression) \
{ \
  if(!(expression)) \
    { \
    vtksys_ios::ostringstream buffer; \
    buffer << "Expression failed at line " << __LINE__ << ": " << #expression; \
    throw std::runtime_error(buffer.str()); \
    } \
}

int TestArrayExtents(int vtkNotUsed(argc), char *vtkNotUsed(argv)[])
{
  try
    {
    vtkArrayExtents slice(vtkArrayRange(2, 4), vtkArrayRange(6, 9));

    test_expression(slice.GetDimensions() == 2);
    test_expression(slice[0].GetSize() == 2);
    test_expression(slice[1].GetSize() == 3);
    test_expression(slice.GetSize() == 6);

    vtkArrayCoordinates coordinates;
    for(vtkArrayExtents::SizeT n = 0; n != slice.GetSize(); ++n)
      {
      slice.GetLeftToRightCoordinatesN(n, coordinates);
      cerr << coordinates << endl;
      }

    slice.GetLeftToRightCoordinatesN(0, coordinates);
    test_expression(coordinates == vtkArrayCoordinates(2, 6));
    slice.GetLeftToRightCoordinatesN(1, coordinates);
    test_expression(coordinates == vtkArrayCoordinates(3, 6));
    slice.GetLeftToRightCoordinatesN(2, coordinates);
    test_expression(coordinates == vtkArrayCoordinates(2, 7));
    slice.GetLeftToRightCoordinatesN(3, coordinates);
    test_expression(coordinates == vtkArrayCoordinates(3, 7));
    slice.GetLeftToRightCoordinatesN(4, coordinates);
    test_expression(coordinates == vtkArrayCoordinates(2, 8));
    slice.GetLeftToRightCoordinatesN(5, coordinates);
    test_expression(coordinates == vtkArrayCoordinates(3, 8));

    test_expression(slice.Contains(vtkArrayCoordinates(3, 7)));
    test_expression(!slice.Contains(vtkArrayCoordinates(1, 7)));

    return 0;
    }
  catch(std::exception& e)
    {
    cerr << e.what() << endl;
    return 1;
    }
}
