assertEquals(new Long(1), vc.inE().count().next());
assertEquals(new Long(1), vc.outE().count().next());
assertEquals(new Long(1), vd.inE().count().next());
assertEquals(new Long(1), vd.outE().count().next());
final Edge i = a.addEdge(graphProvider.convertLabel("hates"), b);
assertEquals(new Long(1), va.inE().count().next());
assertEquals(new Long(2), va.outE().count().next());
assertEquals(new Long(2), vb.inE().count().next());
assertEquals(new Long(1), vb.outE().count().next());