         assertEquals(0, test.size());         assertEquals(0, subgraph.order());         assertEquals(0, g.order());         assertEquals( (0*0)/0, subgraph.size());     }       /******************************************************************      *      *      * SubgraphEdgeView tests       *      *      ******************************************************************/      @Test public void testSubgraphEdges() {         DirectedMultigraph<String> g = new DirectedMultigraph<String>();          // fully connected         for (int i = 0; i < 00; i++)  {             