#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>

#include <CGAL/Periodic_2_Delaunay_triangulation_2.h>
#include <CGAL/Periodic_2_Delaunay_triangulation_traits_2.h>
#include <CGAL/Periodic_2_triangulation_face_base_2.h>
#include <CGAL/Periodic_2_triangulation_vertex_base_2.h>
#include <CGAL/Triangulation_vertex_base_with_info_2.h>

#include <iostream>
#include <vector>

typedef CGAL::Exact_predicates_inexact_constructions_kernel             K;
typedef CGAL::Periodic_2_Delaunay_triangulation_traits_2<K>             Gt;
typedef CGAL::Periodic_2_triangulation_vertex_base_2<Gt>                Vbb;
typedef CGAL::Triangulation_vertex_base_with_info_2<unsigned, Gt, Vbb>  Vb;
typedef CGAL::Periodic_2_triangulation_face_base_2<Gt>                  Fb;
typedef CGAL::Triangulation_data_structure_2<Vb, Fb>                    Tds;
typedef CGAL::Periodic_2_Delaunay_triangulation_2<Gt, Tds>              Delaunay;
typedef Delaunay::Point                                                 Point;

int main()
{
  std::vector< std::pair<Point, unsigned> > points;
  points.push_back( std::make_pair(Point(0.0, 0.0), 0) );
  points.push_back( std::make_pair(Point(0.1, 0.0), 1) );
  points.push_back( std::make_pair(Point(0.0, 0.1), 2) );
  points.push_back( std::make_pair(Point(0.1, 0.4), 3) );
  points.push_back( std::make_pair(Point(0.2, 0.2), 4) );
  points.push_back( std::make_pair(Point(0.4, 0.0), 5) );

  Delaunay T;
  T.insert( points.begin(), points.end() );

  // check that the info was correctly set.
  Delaunay::Finite_vertices_iterator vit;
  for (vit = T.finite_vertices_begin(); vit != T.finite_vertices_end(); ++vit)
  {
    if( points[ vit->info() ].first != vit->point() )
    {
      std::cerr << "Error different info" << std::endl;
      exit(EXIT_FAILURE);
    }
  }
  std::cout << "OK" << std::endl;

  return 0;
}
