@Test
        public void shouldUseLongIdManagerToCoerceTypes() {
            final Graph graph = TinkerGraph.open(longIdManagerConfig);
            final Vertex v = graph.addVertex(T.id, vertexIdValue);
            final VertexProperty vp = v.property(VertexProperty.Cardinality.single, "test", "value", T.id, vertexPropertyIdValue);
            final Edge e = v.addEdge("self", v, T.id, edgeIdValue);

            assertEquals(100l, v.id());
            assertEquals(200l, e.id());
            assertEquals(300l, vp.id());
        }
@author Stephen Mallette (http://stephen.genoprime.com)
tinkergraph-gremlin/src/test/java/org/apache/tinkerpop/gremlin/tinkergraph/structure/TinkerGraphIdManagerTest.java