testDigitalMetricAdapter.cpp

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#include <iostream>
#include "DGtal/base/Common.h"
#include "ConfigTest.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/geometry/volumes/distance/CDigitalMetricSpace.h"
#include "DGtal/geometry/volumes/distance/DigitalMetricAdapter.h"
 
using namespace std;
using namespace DGtal;
 
// Functions for testing class DigitalMetricAdapter.
 
bool testConcepts()
{
  unsigned int nbok = 0;
  unsigned int nb = 0;
 
  typedef Z2i::L2Metric L2;
  L2 l2;
  typedef DigitalMetricAdapter<L2> Adapted;
 
  Adapted adapted(l2);
  
  BOOST_CONCEPT_ASSERT(( concepts::CDigitalMetricSpace<Adapted> ));
  
  return nbok == nb;
}
bool testVal()
{
  unsigned int nbok = 0;
  unsigned int nb = 0;
 
  typedef Z2i::L2Metric L2;
  L2 l2;
  typedef DigitalMetricAdapter<L2> Adapted;
  Adapted adapted(l2);
 
  BOOST_CONCEPT_ASSERT(( concepts::CDigitalMetricSpace<Adapted> ));
 
  L2::Point a(0,0), b(5,2);
 
  Adapted::Value d = adapted(a,b);
  trace.info() << "distance= "<< l2(a,b)<< " and adapted= "<< d << std::endl;
  nbok += (d == 6) ? 1 : 0; 
  nb++;
  trace.info() << "(" << nbok << "/" << nb << ") "
               << std::endl;
  return nbok == nb;
}
 
// Standard services - public :
 
int main( int argc, char** argv )
{
  trace.beginBlock ( "Testing class DigitalMetricAdapter" );
  trace.info() << "Args:";
  for ( int i = 0; i < argc; ++i )
    trace.info() << " " << argv[ i ];
  trace.info() << endl;
 
  bool res = testConcepts() && testVal(); // && ... other tests
  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
  trace.endBlock();
  return res ? 0 : 1;
}
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