#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/copy.hpp>
#include <cassert>

using namespace std;

int main(int,char**)
{
  typedef boost::adjacency_list<> g_t;
  typedef g_t::vertex_descriptor vd;
  typedef g_t::edge_descriptor ed;
  
  g_t G,H;
  
  vd a = add_vertex(G);
  vd b = add_vertex(G);
  ed ab = add_edge(a,b,G).first;

  assert( target(ab,G) == b );
    
  vd a_copy = copy_component( G, a, H );
  ed ab_copy = *out_edges( a_copy, H ).first;
  
  assert( target(ab_copy,H) != a_copy );
}