// -*- C++ -*-

 #include <lemon/undir_graph_extender.h>

 #include <lemon/concept/undir_graph.h>

 #include <lemon/list_graph.h>

 #include <lemon/smart_graph.h>

 #include <lemon/full_graph.h>

 #include "test_tools.h"

 using namespace lemon;

 using namespace lemon::concept;

 int main() {

   typedef UndirGraphExtender<ListGraphBase> UndirListGraphBase;

   function_requires< BaseIterableUndirGraphConcept<UndirListGraphBase> >();

   typedef IterableUndirGraphExtender<

     AlterableUndirGraphExtender<UndirListGraphBase> > IterableUndirListGraph;

   function_requires< IterableUndirGraphConcept<IterableUndirListGraph> >();

   return 0;

 }