int cliqueSize = 5;
Graph g = GraphLib.getClique(cliqueSize);
Edge[] edges = new Edge[4];
Node rem = (Node)g.nodes().next();
Iterator it = rem.edges();
for ( int i=0; it.hasNext(); ++i ) {
edges[i] = (Edge)it.next();
}
assertEquals(true, g.removeNode(rem));