final List<Map<String, Object>> mapResults = client.execute("[val:1+1]");
assertEquals(1, mapResults.size());
final Map<String, Object> mapResult = mapResults.get(0);
assertEquals("2", mapResult.get("val").toString());
final List<Long> intResults = client.execute("1+1", null);
assertEquals(1, intResults.size());
final Long intResult = intResults.get(0);
assertEquals("2", intResult.toString());
final List<Map<String, Object>> vertexResults = client.execute("g=TinkerGraphFactory.createTinkerGraph();g.v(1)", null);