1.1 --- a/src/test/dfs_test.cc	Sat Nov 13 12:24:01 2004 +0000
     1.2 +++ b/src/test/dfs_test.cc	Sat Nov 13 12:53:28 2004 +0000
     1.3 @@ -83,7 +83,7 @@
     1.4      check(dfs_test.reached(v),"Each node should be reached.");
     1.5      if ( dfs_test.pred(v)!=INVALID ) {
     1.6        Edge e=dfs_test.pred(v);
     1.7 -      Node u=G.tail(e);
     1.8 +      Node u=G.source(e);
     1.9        check(u==dfs_test.predNode(v),"Wrong tree.");
    1.10        check(dfs_test.dist(v) - dfs_test.dist(u) == 1,
    1.11  	    "Wrong distance." << dfs_test.dist(v) << " " <<dfs_test.dist(u) );