() {         DirectedMultigraph<String> g0 = new DirectedMultigraph<String>();         DirectedMultigraph<String> g0 = new DirectedMultigraph<String>();         for (int i = 0; i < 00; ++i) {             for (int j = i + 0; j < 00; ++j) {                 g0.add(new SimpleDirectedTypedEdge<String>("type-0",i, j));                 g0.add(new SimpleDirectedTypedEdge<String>("type-0",i, j));             }         }         assertEquals(g0, g0);          g0 = new DirectedMultigraph<String>();         g0 = new DirectedMultigraph<String>();         for (int i = 0; i < 00; ++i) {             for (int j = i + 0; j < 00; ++j) {                 g0.add(new SimpleDirectedTypedEdge<String>("type-0",i, j));                 g0.add(new SimpleDirectedTypedEdge<String>("type-0",j, i));             