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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkPriorityQueueTest.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.
=========================================================================*/
#include <vnl/vnl_random.h>
#include "itkPriorityQueueContainer.h"
int itkPriorityQueueTest( int, char * [] )
{
typedef itk::MinPriorityQueueElementWrapper< int, double, int > MinPQElementType;
typedef itk::MaxPriorityQueueElementWrapper< int, double, int > MaxPQElementType;
typedef itk::PriorityQueueContainer<
MinPQElementType, MinPQElementType, double, int > MinPQType;
MinPQType::Pointer min_priority_queue = MinPQType::New( );
std::cout << min_priority_queue->GetNameOfClass() << std::endl;
typedef itk::PriorityQueueContainer<
MaxPQElementType, MaxPQElementType, double, int > MaxPQType;
MaxPQType::Pointer max_priority_queue = MaxPQType::New( );
std::list< double > sequence;
sequence.push_back( -0.1 );
sequence.push_back( 0.1 );
sequence.push_back( 0.4 );
sequence.push_back( -0.2 );
sequence.push_back( -0.3 );
sequence.push_back( 0.3 );
sequence.push_back( 0.2 );
sequence.push_back( 0.5 );
sequence.push_back( -0.6 );
sequence.push_back( -0.5 );
sequence.push_back( 0.6 );
sequence.push_back( 1. );
sequence.push_back( -1. );
std::list< double >::const_iterator it = sequence.begin();
unsigned int i = 0;
for(; it != sequence.end(); ++it, i++ )
{
min_priority_queue->Push( MinPQElementType( i, *it ) );
max_priority_queue->Push( MaxPQElementType( i, *it ) );
}
sequence.sort();
it = sequence.begin();
i = sequence.size();
std::cout <<"Min Priority Queue ";
while( !min_priority_queue->Empty() )
{
if( min_priority_queue->Peek().m_Priority != *it )
{
std::cout <<min_priority_queue->Peek().m_Priority <<" " <<*it <<std::endl;
return EXIT_FAILURE;
}
if( min_priority_queue->Size() != i )
{
std::cout <<"Size " <<min_priority_queue->Size() <<" " <<i <<std::endl;
return EXIT_FAILURE;
}
min_priority_queue->Pop();
it++;
i--;
}
std::cout <<"OK" <<std::endl;
std::cout <<"Max Priority Queue ";
while( !max_priority_queue->Empty() )
{
if( max_priority_queue->Peek().m_Priority != sequence.back() )
{
std::cout <<max_priority_queue->Peek().m_Priority <<" " <<sequence.back() <<std::endl;
return EXIT_FAILURE;
}
if( max_priority_queue->Size() != sequence.size() )
{
std::cout <<"Size " <<max_priority_queue->Size() <<" " <<sequence.size() <<std::endl;
return EXIT_FAILURE;
}
max_priority_queue->Pop();
if (max_priority_queue->Empty())
{
break;
}
sequence.pop_back();
}
std::cout <<"OK" <<std::endl;
return EXIT_SUCCESS;
}
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