@Test
  public void dropIntIndexTest() {
    ThunderGraph thunderGraph = new ThunderGraph(this.dbPath);
    try {
      thunderGraph.createKeyIndex("name1", Vertex.class);
      thunderGraph.commit();

      Vertex v1 = thunderGraph.addVertex(null);
      v1.setProperty("name1", 1);
      Vertex v2 = thunderGraph.addVertex(null);
      v2.setProperty("name1", 1);
      Vertex v3 = thunderGraph.addVertex(null);
      v3.setProperty("name1", 1);

      thunderGraph.commit();

      Assert.assertEquals(3, count(thunderGraph.getVertices("name1", 1)));
      Assert.assertEquals(3, thunderGraph.getDbEntries(DbEnum.VERTEX_INT_INDEX));

      thunderGraph.dropKeyIndex("name1", Vertex.class);

      thunderGraph.commit();

      // Still finds it just not via the index
      Assert.assertEquals(0, thunderGraph.getDbEntries(DbEnum.VERTEX_INT_INDEX));
      Assert.assertEquals(3, count(thunderGraph.getVertices("name1", 1)));
    } finally {
      thunderGraph.shutdown();
    }
  }
  @Test
  public void testUpdateIndexedFieldOnEdge() {

    ThunderGraph thunderGraph = new ThunderGraph(this.dbPath);
    try {
      thunderGraph.createKeyIndex("name1", Edge.class);
      Vertex v1 = thunderGraph.addVertex(null);
      Vertex v2 = thunderGraph.addVertex(null);
      Vertex v3 = thunderGraph.addVertex(null);
      Vertex v4 = thunderGraph.addVertex(null);
      Edge e1 = v1.addEdge("label1", v2);
      Edge e2 = v1.addEdge("label1", v3);
      Edge e3 = v1.addEdge("label1", v4);
      e1.setProperty("name1", 1);
      e2.setProperty("name1", 1);
      e3.setProperty("name1", 1);
      thunderGraph.commit();

      Assert.assertEquals(3, count(thunderGraph.getEdges("name1", 1)));
      e1.setProperty("name1", 2);
      thunderGraph.commit();

      Assert.assertEquals(2, count(thunderGraph.getEdges("name1", 1)));
      e2.setProperty("name1", 2);
      thunderGraph.commit();

      Assert.assertEquals(1, count(thunderGraph.getEdges("name1", 1)));
      e3.setProperty("name1", 2);
      thunderGraph.commit();

      Assert.assertEquals(0, count(thunderGraph.getEdges("name1", 1)));
      Assert.assertEquals(3, count(thunderGraph.getEdges("name1", 2)));

      thunderGraph.printDb(DbEnum.EDGE_INT_INDEX);
      thunderGraph.dropKeyIndex("name1", Edge.class);
      thunderGraph.printDb(DbEnum.EDGE_INT_INDEX);

    } finally {
      thunderGraph.shutdown();
    }
  }