@Test
    @LoadGraphWith(MODERN)
    public void g_V_asXaX_hasXname_markoX_asXbX_asXcX_selectXa_b_cX_by_byXnameX_byXageX() {
        final Traversal<Vertex, Map<String, Object>> traversal = get_g_V_asXaX_hasXname_markoX_asXbX_asXcX_selectXa_b_cX_by_byXnameX_byXageX();
        printTraversalForm(traversal);
        assertTrue(traversal.hasNext());
        final Map<String, Object> map = traversal.next();
        assertEquals(3, map.size());
        assertEquals(g.V(convertToVertexId("marko")).next(), map.get("a"));
        assertEquals("marko", map.get("b"));
        assertEquals(29, map.get("c"));
        assertFalse(traversal.hasNext());
    }
@author Marko A. Rodriguez (http://markorodriguez.com)
@author Stephen Mallette (http://stephen.genoprime.com)
@author Daniel Kuppitz (http://gremlin.guru)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/SelectTest.java