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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkByteSwapTest.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 <iostream>
#include "itkByteSwapper.h"
#include "itkExceptionObject.h"
int itkByteSwapTest ( int, char*[] )
{
// Test out the Byte Swap code
std::cout << "Starting test" << std::endl;
unsigned char uc = 'a', uc1 = 'a';
unsigned short us = 1, us1 = 1;
unsigned int ui = 1, ui1 = 1;
unsigned long ul = 1, ul1 = 1;
float f = 1.0, f1 = 1.0;
double d = 1.0, d1 = 1.0;
// Try to swap a char
if ( itk::ByteSwapper<int>::SystemIsBigEndian() == itk::ByteSwapper<int>::SystemIsLE() )
{
return EXIT_FAILURE;
}
if ( itk::ByteSwapper<int>::SystemIsBE() == itk::ByteSwapper<int>::SystemIsLittleEndian() )
{
return EXIT_FAILURE;
}
if ( itk::ByteSwapper<int>::SystemIsBigEndian() )
{
itk::ByteSwapper<unsigned char>::SwapFromSystemToLittleEndian ( &uc );
itk::ByteSwapper<unsigned char>::SwapFromSystemToLittleEndian ( &uc );
}
else
{
itk::ByteSwapper<unsigned char>::SwapFromSystemToBigEndian ( &uc );
itk::ByteSwapper<unsigned char>::SwapFromSystemToBigEndian ( &uc );
}
if ( uc != uc1 )
{
return EXIT_FAILURE;
}
std::cout << "Passed unsigned char: " << uc << std::endl;
if ( itk::ByteSwapper<int>::SystemIsBE() )
{
itk::ByteSwapper<unsigned short>::SwapFromSystemToLittleEndian ( &us );
itk::ByteSwapper<unsigned short>::SwapFromSystemToLittleEndian ( &us );
}
else
{
itk::ByteSwapper<unsigned short>::SwapFromSystemToBigEndian ( &us );
itk::ByteSwapper<unsigned short>::SwapFromSystemToBigEndian ( &us );
}
if ( us != us1 )
{
return EXIT_FAILURE;
}
std::cout << "Passed unsigned short: " << us << std::endl;
if ( itk::ByteSwapper<int>::SystemIsBigEndian() )
{
itk::ByteSwapper<unsigned int>::SwapFromSystemToLittleEndian ( &ui );
itk::ByteSwapper<unsigned int>::SwapFromSystemToLittleEndian ( &ui );
}
else
{
itk::ByteSwapper<unsigned int>::SwapFromSystemToBigEndian ( &ui );
itk::ByteSwapper<unsigned int>::SwapFromSystemToBigEndian ( &ui );
}
if ( ui != ui1 )
{
return EXIT_FAILURE;
}
std::cout << "Passed unsigned int: " << ui << std::endl;
try
{
if ( itk::ByteSwapper<long>::SystemIsBigEndian() )
{
itk::ByteSwapper<unsigned long>::SwapFromSystemToLittleEndian ( &ul );
itk::ByteSwapper<unsigned long>::SwapFromSystemToLittleEndian ( &ul );
}
else
{
itk::ByteSwapper<unsigned long>::SwapFromSystemToBigEndian ( &ul );
itk::ByteSwapper<unsigned long>::SwapFromSystemToBigEndian ( &ul );
}
if ( ul != ul1 )
{
return EXIT_FAILURE;
}
std::cout << "Passed unsigned long: " << ul << std::endl;
}
catch ( itk::ExceptionObject &err )
{
std::cout << "Caught unsigned long exception size is: " << sizeof ( unsigned long ) << std::endl;
(&err)->Print(std::cerr);
}
try
{
if ( itk::ByteSwapper<int>::SystemIsBigEndian() )
{
itk::ByteSwapper<float>::SwapFromSystemToLittleEndian ( &f );
itk::ByteSwapper<float>::SwapFromSystemToLittleEndian ( &f );
}
else
{
itk::ByteSwapper<float>::SwapFromSystemToBigEndian ( &f );
itk::ByteSwapper<float>::SwapFromSystemToBigEndian ( &f );
}
if ( f != f1 )
{
return EXIT_FAILURE;
}
std::cout << "Passed float: " << f << std::endl;
}
catch ( itk::ExceptionObject &err )
{
std::cout << "Caught float exception size is: " << sizeof ( float ) << std::endl;
(&err)->Print(std::cerr);
return EXIT_FAILURE;
}
try
{
if ( itk::ByteSwapper<int>::SystemIsBigEndian() )
{
itk::ByteSwapper<double>::SwapFromSystemToLittleEndian ( &d );
itk::ByteSwapper<double>::SwapFromSystemToLittleEndian ( &d );
}
else
{
itk::ByteSwapper<double>::SwapFromSystemToBigEndian ( &d );
itk::ByteSwapper<double>::SwapFromSystemToBigEndian ( &d );
}
if ( d != d1 )
{
return EXIT_FAILURE;
}
std::cout << "Passed unsigned d: " << d << std::endl;
}
catch ( itk::ExceptionObject &err )
{
std::cout << "Good catch! Caught double exception size is: " << sizeof ( double ) << std::endl;
(&err)->Print(std::cerr);
return EXIT_FAILURE;
}
// we failed to throw an exception for the double swap (once it's implemented, this should return 0
return EXIT_SUCCESS;
}
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