@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 deleteIndexedVertex() {
    ThunderGraph thunderGraph = new ThunderGraph(this.dbPath);
    try {
      thunderGraph.createKeyIndex("name", Vertex.class);

      Vertex v1 = thunderGraph.addVertex(null);
      v1.setProperty("name", 1);
      thunderGraph.commit();
      Assert.assertEquals(1, thunderGraph.getDbEntries(DbEnum.VERTEX_INT_INDEX));

      v1.remove();
      thunderGraph.commit();
      Assert.assertEquals(0, thunderGraph.getDbEntries(DbEnum.VERTEX_INT_INDEX));
    } finally {
      thunderGraph.shutdown();
    }
  }