testMetrics.cpp

#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/geometry/volumes/distance/SeparableMetricHelper.h"

using namespace std;
using namespace DGtal;

// Functions for testing class Metrics.
bool testMetrics()
{
  unsigned int nbok = 0;
  unsigned int nb = 0;
  
  trace.beginBlock ( "Testing separable metrics ..." );

  Z2i::Point a( 0,0), b(5, 0), bb(5,-10), bbb(5,5),c(10,0);
  Z2i::Point starting( 0, 5), endpoint(10,5);
  
  SeparableMetricHelper<Z2i::Point, DGtal::uint64_t, 3> metric;

  trace.info()<< "a= "<<a<<std::endl;
  trace.info()<< "b= "<<b<<std::endl;
  trace.info()<< "bb= "<<bb<<std::endl;
  trace.info()<< "bbb= "<<bbb<<std::endl;
  trace.info()<< "c= "<<c<<std::endl;


  bool hidden  =metric.hiddenBy(a,b,c,starting,endpoint,0); 
  nbok += (!hidden) ? 1 : 0; 
  nb++;
  trace.info() << "(" << nbok << "/" << nb << ") "
               << "(a,b,c) returns false" << std::endl;
      
  hidden  =metric.hiddenBy(a,bb,c,starting,endpoint,0); 
  nbok += (hidden) ? 1 : 0; 
  nb++;
  trace.info() << "(" << nbok << "/" << nb << ") "
               << "(a,bb,c) returns true" << std::endl;
  
  hidden  =metric.hiddenBy(a,bbb,c,starting,endpoint,0); 
  nbok += (!hidden) ? 1 : 0; 
  nb++;
  trace.info() << "(" << nbok << "/" << nb << ") "
               << "(a,bbb,c) returns false" << std::endl;
  
  trace.endBlock();
  
  return nbok == nb;
}

// Standard services - public :

int main( int argc, char** argv )
{
  trace.beginBlock ( "Testing class Metrics" );
  trace.info() << "Args:";
  for ( int i = 0; i < argc; ++i )
    trace.info() << " " << argv[ i ];
  trace.info() << endl;

  bool res = testMetrics(); // && ... other tests
  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
  trace.endBlock();
  return res ? 0 : 1;
}
//                                                                           //