Circulator/circulator_prog2.cpp

#include <cassert>
#include <vector>
#include <algorithm>
#include <CGAL/circulator.h>
 
typedef CGAL::Circulator_from_container< std::vector<int> >  Circulator;
typedef CGAL::Container_from_circulator<Circulator>          Container;
typedef Container::iterator                                  Iterator;
 
int main() {
    std::vector<int> v;
    v.push_back(5);
    v.push_back(2);
    v.push_back(9);
    Circulator c( &v);
    Container  container( c);
    std::sort( container.begin(), container.end());
    Iterator i = container.begin();
    assert( *i == 2);
    i++;    assert( *i == 5);
    i++;    assert( *i == 9);
    i++;    assert(  i == container.end());
    return 0;
}