diff -r e619a466ca5d -r 10d378f2821c src/test/graph_wrapper_test.cc
--- a/src/test/graph_wrapper_test.cc	Sun Nov 14 13:15:46 2004 +0000
+++ b/src/test/graph_wrapper_test.cc	Mon Nov 15 12:25:39 2004 +0000
@@ -46,15 +46,20 @@
 
 //     function_requires<StaticGraphConcept<RevGraphWrapper<Graph> > >();
 
-//     function_requires<StaticGraphConcept<SubGraphWrapper<Graph, Graph::NodeMap<bool> , Graph::EdgeMap<bool> > > >();
-//     function_requires<StaticGraphConcept<NodeSubGraphWrapper<Graph, Graph::NodeMap<bool> > > >();
-//     function_requires<StaticGraphConcept<EdgeSubGraphWrapper<Graph, Graph::EdgeMap<bool> > > >();
+    checkConcept<StaticGraph, SubGraphWrapper<StaticGraph, 
+      StaticGraph::NodeMap<bool> , StaticGraph::EdgeMap<bool> > >();
+    checkConcept<StaticGraph, NodeSubGraphWrapper<StaticGraph, 
+      StaticGraph::NodeMap<bool> > >();
+    checkConcept<StaticGraph, EdgeSubGraphWrapper<StaticGraph, 
+      StaticGraph::EdgeMap<bool> > >();
+    
+    checkConcept<StaticGraph, SubBidirGraphWrapper<StaticGraph, 
+      StaticGraph::EdgeMap<bool>, StaticGraph::EdgeMap<bool> > >();
 
-//     function_requires<StaticGraphConcept<SubBidirGraphWrapper<Graph, Graph::EdgeMap<bool>, Graph::EdgeMap<bool> > > > ();
+    checkConcept<StaticGraph, BidirGraph<StaticGraph> >();
 
-//     function_requires<StaticGraphConcept<BidirGraph<Graph> > >();
-
-//     function_requires<StaticGraphConcept<ResGraphWrapper<Graph, int, Graph::EdgeMap<int>, Graph::EdgeMap<int> > > >();
+    checkConcept<StaticGraph, ResGraphWrapper<StaticGraph, int, 
+      StaticGraph::EdgeMap<int>, StaticGraph::EdgeMap<int> > >();
 
 //     function_requires<StaticGraphConcept<ErasingFirstGraphWrapper<Graph, Graph::NodeMap<Graph::Edge> > > >();
   }