@Test
  public void testCopy() {
    Graph g = initUnsorted(createGraph());
    EdgeIteratorState eb = g.edge(6, 5, 11, true);
    eb.setWayGeometry(Helper.createPointList(12, 10, -1, 3));
    LevelGraph lg = new GraphBuilder(encodingManager).levelGraphCreate();
    GHUtility.copyTo(g, lg);
    eb = lg.getEdgeProps(eb.getEdge(), 6);
    assertEquals(Helper.createPointList(-1, 3, 12, 10), eb.getWayGeometry());
    assertEquals(0, lg.getLevel(0));
    assertEquals(0, lg.getLevel(1));
    assertEquals(0, lg.getLatitude(0), 1e-6);
    assertEquals(1, lg.getLongitude(0), 1e-6);
    assertEquals(2.5, lg.getLatitude(1), 1e-6);
    assertEquals(4.5, lg.getLongitude(1), 1e-6);
    assertEquals(9, lg.getNodes());
    EdgeIterator iter = lg.createEdgeExplorer().setBaseNode(8);
    iter.next();
    assertEquals(2.05, iter.getDistance(), 1e-6);
    assertEquals("11", BitUtil.toBitString(iter.getFlags(), 2));
    iter.next();
    assertEquals(0.5, iter.getDistance(), 1e-6);
    assertEquals("11", BitUtil.toBitString(iter.getFlags(), 2));

    iter = lg.createEdgeExplorer().setBaseNode(7);
    iter.next();
    assertEquals(2.1, iter.getDistance(), 1e-6);
    assertEquals("01", BitUtil.toBitString(iter.getFlags(), 2));
    assertTrue(iter.next());
    assertEquals(0.7, iter.getDistance(), 1e-6);
  }
  @Test
  public void testCopyProperties() {
    graph = createGraph();
    EdgeIteratorState edge =
        graph.edge(1, 3, 10, false).setName("testing").setWayGeometry(Helper.createPointList(1, 2));

    EdgeIteratorState newEdge = graph.edge(1, 3, 10, false);
    edge.copyPropertiesTo(newEdge);
    assertEquals(edge.getName(), newEdge.getName());
    assertEquals(edge.getDistance(), newEdge.getDistance(), 1e-7);
    assertEquals(edge.getFlags(), newEdge.getFlags());
    assertEquals(edge.fetchWayGeometry(0), newEdge.fetchWayGeometry(0));
  }
  @Test
  public void testDetachEdge() {
    graph = createGraph();
    graph.edge(0, 1, 2, true);
    long flags = carEncoder.setProperties(10, true, false);
    graph.edge(0, 2, 2, true).setWayGeometry(Helper.createPointList(1, 2, 3, 4)).setFlags(flags);
    graph.edge(1, 2, 2, true);

    EdgeIterator iter = graph.createEdgeExplorer().setBaseNode(0);
    try {
      // currently not possible to detach without next, without introducing a new property inside
      // EdgeIterable
      iter.detach(false);
      assertTrue(false);
    } catch (Exception ex) {
    }

    iter.next();
    EdgeIteratorState edgeState2 = iter.detach(false);
    assertEquals(2, iter.getAdjNode());
    assertEquals(1, edgeState2.fetchWayGeometry(0).getLatitude(0), 1e-1);
    assertEquals(2, edgeState2.getAdjNode());
    assertTrue(carEncoder.isBool(edgeState2.getFlags(), FlagEncoder.K_FORWARD));

    EdgeIteratorState edgeState3 = iter.detach(true);
    assertEquals(0, edgeState3.getAdjNode());
    assertEquals(2, edgeState3.getBaseNode());
    assertEquals(3, edgeState3.fetchWayGeometry(0).getLatitude(0), 1e-1);
    assertFalse(carEncoder.isBool(edgeState3.getFlags(), FlagEncoder.K_FORWARD));
    assertEquals(GHUtility.getEdge(graph, 0, 2).getFlags(), edgeState2.getFlags());
    assertEquals(GHUtility.getEdge(graph, 2, 0).getFlags(), edgeState3.getFlags());

    iter.next();
    assertEquals(1, iter.getAdjNode());
    assertEquals(2, edgeState2.getAdjNode());
    assertEquals(2, edgeState3.getBaseNode());

    assertEquals(0, iter.fetchWayGeometry(0).size());
    assertEquals(1, edgeState2.fetchWayGeometry(0).getLatitude(0), 1e-1);
    assertEquals(3, edgeState3.fetchWayGeometry(0).getLatitude(0), 1e-1);

    // #162 a directed self referencing edge should be able to reverse its state too
    graph.edge(3, 3, 2, true).setFlags(flags);
    EdgeIterator iter2 = graph.createEdgeExplorer().setBaseNode(3);
    iter2.next();
    assertEquals(edgeState2.getFlags(), iter2.detach(false).getFlags());
    assertEquals(edgeState3.getFlags(), iter2.detach(true).getFlags());
  }
  @Test
  public void testPillarNodes() {
    graph = createGraph();
    NodeAccess na = graph.getNodeAccess();
    na.setNode(0, 0.01, 0.01);
    na.setNode(4, 0.4, 0.4);
    na.setNode(14, 0.14, 0.14);
    na.setNode(10, 0.99, 0.99);

    PointList pointList = Helper.createPointList(1, 1, 1, 2, 1, 3);
    graph
        .edge(0, 4)
        .setDistance(100)
        .setFlags(carEncoder.setProperties(10, true, false))
        .setWayGeometry(pointList);
    pointList = Helper.createPointList(1, 5, 1, 6, 1, 7, 1, 8, 1, 9);
    graph
        .edge(4, 10)
        .setDistance(100)
        .setFlags(carEncoder.setProperties(10, true, false))
        .setWayGeometry(pointList);
    pointList = Helper.createPointList(1, 13, 1, 12, 1, 11);
    graph
        .edge(14, 0)
        .setDistance(100)
        .setFlags(carEncoder.setProperties(10, true, false))
        .setWayGeometry(pointList);

    EdgeIterator iter = carAllExplorer.setBaseNode(0);
    assertTrue(iter.next());
    assertEquals(14, iter.getAdjNode());
    assertPList(Helper.createPointList(1, 11, 1, 12, 1, 13.0), iter.fetchWayGeometry(0));
    assertPList(
        Helper.createPointList(0.01, 0.01, 1, 11, 1, 12, 1, 13.0), iter.fetchWayGeometry(1));
    assertPList(
        Helper.createPointList(1, 11, 1, 12, 1, 13.0, 0.14, 0.14), iter.fetchWayGeometry(2));
    assertPList(
        Helper.createPointList(0.01, 0.01, 1, 11, 1, 12, 1, 13.0, 0.14, 0.14),
        iter.fetchWayGeometry(3));

    assertTrue(iter.next());
    assertEquals(4, iter.getAdjNode());
    assertPList(Helper.createPointList(1, 1, 1, 2, 1, 3), iter.fetchWayGeometry(0));
    assertPList(Helper.createPointList(0.01, 0.01, 1, 1, 1, 2, 1, 3), iter.fetchWayGeometry(1));
    assertPList(Helper.createPointList(1, 1, 1, 2, 1, 3, 0.4, 0.4), iter.fetchWayGeometry(2));
    assertPList(
        Helper.createPointList(0.01, 0.01, 1, 1, 1, 2, 1, 3, 0.4, 0.4), iter.fetchWayGeometry(3));

    assertFalse(iter.next());

    iter = carOutExplorer.setBaseNode(0);
    assertTrue(iter.next());
    assertEquals(4, iter.getAdjNode());
    assertPList(Helper.createPointList(1, 1, 1, 2, 1, 3), iter.fetchWayGeometry(0));
    assertFalse(iter.next());

    iter = carInExplorer.setBaseNode(10);
    assertTrue(iter.next());
    assertEquals(4, iter.getAdjNode());
    assertPList(Helper.createPointList(1, 9, 1, 8, 1, 7, 1, 6, 1, 5), iter.fetchWayGeometry(0));
    assertPList(
        Helper.createPointList(0.99, 0.99, 1, 9, 1, 8, 1, 7, 1, 6, 1, 5), iter.fetchWayGeometry(1));
    assertPList(
        Helper.createPointList(1, 9, 1, 8, 1, 7, 1, 6, 1, 5, 0.4, 0.4), iter.fetchWayGeometry(2));
    assertPList(
        Helper.createPointList(0.99, 0.99, 1, 9, 1, 8, 1, 7, 1, 6, 1, 5, 0.4, 0.4),
        iter.fetchWayGeometry(3));
    assertFalse(iter.next());
  }