protected GraphStorage createGraph() {
   GraphStorage g = createGraph(defaultGraphLoc, false);
   carOutExplorer = g.createEdgeExplorer(carOutFilter);
   carInExplorer = g.createEdgeExplorer(carInFilter);
   carAllExplorer = g.createEdgeExplorer();
   return g;
 }
  @Test
  public void testCopyTo() {
    graph = createGraph();
    initExampleGraph(graph);
    GraphStorage gs = newRAMGraph();
    gs.setSegmentSize(8000);
    gs.create(10);
    try {
      graph.copyTo(gs);
      checkExampleGraph(gs);
    } catch (Exception ex) {
      ex.printStackTrace();
      assertTrue(ex.toString(), false);
    }

    try {
      Helper.close((Closeable) graph);
      graph = createGraph();
      gs.copyTo(graph);
      checkExampleGraph(graph);
    } catch (Exception ex) {
      ex.printStackTrace();
      assertTrue(ex.toString(), false);
    }
    Helper.close((Closeable) graph);
  }
  @Test
  public void testGetAllEdges() {
    graph = createGraph();
    graph.edge(0, 1, 2, true);
    graph.edge(3, 1, 1, false);
    graph.edge(3, 2, 1, false);

    EdgeIterator iter = graph.getAllEdges();
    assertTrue(iter.next());
    int edgeId = iter.getEdge();
    assertEquals(0, iter.getBaseNode());
    assertEquals(1, iter.getAdjNode());
    assertEquals(2, iter.getDistance(), 1e-6);

    assertTrue(iter.next());
    int edgeId2 = iter.getEdge();
    assertEquals(1, edgeId2 - edgeId);
    assertEquals(1, iter.getBaseNode());
    assertEquals(3, iter.getAdjNode());

    assertTrue(iter.next());
    assertEquals(2, iter.getBaseNode());
    assertEquals(3, iter.getAdjNode());

    assertFalse(iter.next());
  }
  @Test
  public void testDirectional() {
    graph = createGraph();
    graph.edge(1, 2, 12, true);
    graph.edge(2, 3, 12, false);
    graph.edge(3, 4, 12, false);
    graph.edge(3, 5, 12, true);
    graph.edge(6, 3, 12, false);

    assertEquals(1, count(carAllExplorer.setBaseNode(1)));
    assertEquals(1, count(carInExplorer.setBaseNode(1)));
    assertEquals(1, count(carOutExplorer.setBaseNode(1)));

    assertEquals(2, count(carAllExplorer.setBaseNode(2)));
    assertEquals(1, count(carInExplorer.setBaseNode(2)));
    assertEquals(2, count(carOutExplorer.setBaseNode(2)));

    assertEquals(4, count(carAllExplorer.setBaseNode(3)));
    assertEquals(3, count(carInExplorer.setBaseNode(3)));
    assertEquals(2, count(carOutExplorer.setBaseNode(3)));

    assertEquals(1, count(carAllExplorer.setBaseNode(4)));
    assertEquals(1, count(carInExplorer.setBaseNode(4)));
    assertEquals(0, count(carOutExplorer.setBaseNode(4)));

    assertEquals(1, count(carAllExplorer.setBaseNode(5)));
    assertEquals(1, count(carInExplorer.setBaseNode(5)));
    assertEquals(1, count(carOutExplorer.setBaseNode(5)));
  }
  @Test
  public void testUnidirectionalEdgeFilter() {
    graph = createGraph();

    graph.edge(1, 2, 12, false);
    graph.edge(1, 11, 12, false);
    graph.edge(11, 1, 12, false);
    graph.edge(1, 12, 12, false);
    graph.edge(3, 2, 112, false);
    EdgeIterator i = carOutExplorer.setBaseNode(2);
    assertFalse(i.next());

    assertEquals(4, GHUtility.count(carAllExplorer.setBaseNode(1)));

    assertEquals(1, GHUtility.count(carInExplorer.setBaseNode(1)));
    assertEquals(2, GHUtility.count(carInExplorer.setBaseNode(2)));
    assertEquals(0, GHUtility.count(carInExplorer.setBaseNode(3)));

    assertEquals(3, GHUtility.count(carOutExplorer.setBaseNode(1)));
    assertEquals(0, GHUtility.count(carOutExplorer.setBaseNode(2)));
    assertEquals(1, GHUtility.count(carOutExplorer.setBaseNode(3)));
    i = carOutExplorer.setBaseNode(3);
    i.next();
    assertEquals(2, i.getAdjNode());

    i = carOutExplorer.setBaseNode(1);
    assertTrue(i.next());
    assertEquals(12, i.getAdjNode());
    assertTrue(i.next());
    assertEquals(11, i.getAdjNode());
    assertTrue(i.next());
    assertEquals(2, i.getAdjNode());
    assertFalse(i.next());
  }
  @Test
  public void test8BytesFlags() {
    Directory dir = new RAMDirectory();
    List<FlagEncoder> list = new ArrayList<FlagEncoder>();
    list.add(new TmpCarFlagEncoder(29, 0.001));
    list.add(new TmpCarFlagEncoder(29, 0.001));
    EncodingManager manager = new EncodingManager(list, 8, 0);
    graph = new GraphHopperStorage(dir, manager, false).create(defaultSize);

    EdgeIteratorState edge = graph.edge(0, 1);
    edge.setFlags(Long.MAX_VALUE / 3);
    // System.out.println(BitUtil.LITTLE.toBitString(Long.MAX_VALUE / 3) + "\n" +
    // BitUtil.LITTLE.toBitString(edge.getFlags()));
    assertEquals(Long.MAX_VALUE / 3, edge.getFlags());
    graph.close();

    graph = new GraphHopperStorage(dir, manager, false).create(defaultSize);

    edge = graph.edge(0, 1);
    edge.setFlags(list.get(0).setProperties(99.123, true, true));
    assertEquals(99.123, list.get(0).getSpeed(edge.getFlags()), 1e-3);
    long flags = GHUtility.getEdge(graph, 1, 0).getFlags();
    assertEquals(99.123, list.get(0).getSpeed(flags), 1e-3);
    assertTrue(list.get(0).isBool(flags, FlagEncoder.K_FORWARD));
    assertTrue(list.get(0).isBool(flags, FlagEncoder.K_BACKWARD));
    edge = graph.edge(2, 3);
    edge.setFlags(list.get(1).setProperties(44.123, true, false));
    assertEquals(44.123, list.get(1).getSpeed(edge.getFlags()), 1e-3);
    flags = GHUtility.getEdge(graph, 3, 2).getFlags();
    assertEquals(44.123, list.get(1).getSpeed(flags), 1e-3);
    assertTrue(list.get(1).isBool(flags, FlagEncoder.K_FORWARD));
    assertFalse(list.get(1).isBool(flags, FlagEncoder.K_BACKWARD));
  }
  @Test
  public void testCreateLocation() {
    graph = createGraph();
    graph.edge(3, 1, 50, true);
    assertEquals(1, count(carOutExplorer.setBaseNode(1)));

    graph.edge(1, 2, 100, true);
    assertEquals(2, count(carOutExplorer.setBaseNode(1)));
  }
 @Test
 public void testDeleteAndOptimize() {
   graph = createGraph();
   NodeAccess na = graph.getNodeAccess();
   na.setNode(20, 10, 10);
   na.setNode(21, 10, 11);
   graph.markNodeRemoved(20);
   graph.optimize();
   assertEquals(11, na.getLongitude(20), 1e-5);
 }
  @Test
  public void testSimpleDelete() {
    graph = createGraph();
    NodeAccess na = graph.getNodeAccess();
    na.setNode(0, 12, 23);
    na.setNode(1, 38.33f, 135.3f);
    na.setNode(2, 3, 3);
    na.setNode(3, 78, 89);

    graph.edge(3, 0, 21, true);
    graph.edge(5, 0, 22, true);
    graph.edge(5, 3, 23, true);

    graph.markNodeRemoved(0);
    graph.markNodeRemoved(3);

    assertEquals(6, graph.getNodes());
    assertEquals(Arrays.<String>asList(), GHUtility.getProblems(graph));

    // now actually perform deletion
    graph.optimize();

    assertEquals(4, graph.getNodes());
    assertEquals(Arrays.<String>asList(), GHUtility.getProblems(graph));
    // shouldn't change anything
    graph.optimize();
    assertEquals(4, graph.getNodes());
    assertEquals(Arrays.<String>asList(), GHUtility.getProblems(graph));
  }
 @Test
 public void testEdgeReturn() {
   graph = createGraph();
   EdgeIteratorState iter =
       graph.edge(4, 10).setDistance(100).setFlags(carEncoder.setProperties(10, true, false));
   assertEquals(4, iter.getBaseNode());
   assertEquals(10, iter.getAdjNode());
   iter = graph.edge(14, 10).setDistance(100).setFlags(carEncoder.setProperties(10, true, false));
   assertEquals(14, iter.getBaseNode());
   assertEquals(10, iter.getAdjNode());
 }
 @Test
 public void testSetNodes() {
   graph = createGraph();
   NodeAccess na = graph.getNodeAccess();
   for (int i = 0; i < defaultSize * 2; i++) {
     na.setNode(i, 2 * i, 3 * i);
   }
   graph.edge(defaultSize + 1, defaultSize + 2, 10, true);
   graph.edge(defaultSize + 1, defaultSize + 3, 10, true);
   assertEquals(2, GHUtility.count(carAllExplorer.setBaseNode(defaultSize + 1)));
 }
  @Test
  public void testEdges() {
    graph = createGraph();
    graph.edge(2, 1, 12, true);
    assertEquals(1, count(carOutExplorer.setBaseNode(2)));

    graph.edge(2, 3, 12, true);
    assertEquals(1, count(carOutExplorer.setBaseNode(1)));
    assertEquals(2, count(carOutExplorer.setBaseNode(2)));
    assertEquals(1, count(carOutExplorer.setBaseNode(3)));
  }
  @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 testDozendEdges() {
    graph = createGraph();
    graph.edge(1, 2, 12, true);
    assertEquals(1, count(carAllExplorer.setBaseNode(1)));

    graph.edge(1, 3, 13, false);
    assertEquals(2, count(carAllExplorer.setBaseNode(1)));

    graph.edge(1, 4, 14, false);
    assertEquals(3, count(carAllExplorer.setBaseNode(1)));

    graph.edge(1, 5, 15, false);
    assertEquals(4, count(carAllExplorer.setBaseNode(1)));

    graph.edge(1, 6, 16, false);
    assertEquals(5, count(carAllExplorer.setBaseNode(1)));

    graph.edge(1, 7, 16, false);
    assertEquals(6, count(carAllExplorer.setBaseNode(1)));

    graph.edge(1, 8, 16, false);
    assertEquals(7, count(carAllExplorer.setBaseNode(1)));

    graph.edge(1, 9, 16, false);
    assertEquals(8, count(carAllExplorer.setBaseNode(1)));
    assertEquals(8, count(carOutExplorer.setBaseNode(1)));

    assertEquals(1, count(carInExplorer.setBaseNode(1)));
    assertEquals(1, count(carInExplorer.setBaseNode(2)));
  }
  @Test
  public void testSimpleDelete3() {
    graph = createGraph();
    NodeAccess na = graph.getNodeAccess();
    na.setNode(7, 7, 1);
    na.setNode(8, 8, 1);
    na.setNode(9, 9, 1);
    na.setNode(11, 11, 1);

    // mini subnetwork which gets completely removed:
    graph.edge(5, 10, 510, true);
    graph.markNodeRemoved(3);
    graph.markNodeRemoved(4);
    graph.markNodeRemoved(5);
    graph.markNodeRemoved(10);

    graph.edge(9, 11, 911, true);
    graph.edge(7, 9, 78, true);
    graph.edge(8, 9, 89, true);

    // perform deletion
    graph.optimize();

    assertEquals(Arrays.<String>asList(), GHUtility.getProblems(graph));

    assertEquals(3, GHUtility.count(carAllExplorer.setBaseNode(getIdOf(graph, 9))));
    assertEquals(1, GHUtility.count(carAllExplorer.setBaseNode(getIdOf(graph, 7))));
    assertEquals(1, GHUtility.count(carAllExplorer.setBaseNode(getIdOf(graph, 8))));
    assertEquals(1, GHUtility.count(carAllExplorer.setBaseNode(getIdOf(graph, 11))));
  }
  @Test
  public void testNameIndex() {
    graph = createGraph();
    EdgeIteratorState iter1 = graph.edge(0, 1, 10, true);
    iter1.setName("named street1");

    EdgeIteratorState iter2 = graph.edge(0, 1, 10, true);
    iter2.setName("named street2");

    assertEquals(
        "named street1", graph.getEdgeProps(iter1.getEdge(), iter1.getAdjNode()).getName());
    assertEquals(
        "named street2", graph.getEdgeProps(iter2.getEdge(), iter2.getAdjNode()).getName());
  }
  @Test
  public void testGetAllEdgesWithDelete() {
    graph = createGraph();
    NodeAccess na = graph.getNodeAccess();
    na.setNode(0, 0, 5);
    na.setNode(1, 1, 5);
    na.setNode(2, 2, 5);
    na.setNode(3, 3, 5);
    graph.edge(0, 1, 1, true);
    graph.edge(0, 2, 1, true);
    graph.edge(1, 2, 1, true);
    graph.edge(2, 3, 1, true);
    AllEdgesIterator iter = graph.getAllEdges();
    assertEquals(4, GHUtility.count(iter));
    assertEquals(4, iter.getMaxId());

    // delete
    graph.markNodeRemoved(1);
    graph.optimize();
    iter = graph.getAllEdges();
    assertEquals(2, GHUtility.count(iter));
    assertEquals(4, iter.getMaxId());

    iter = graph.getAllEdges();
    iter.next();
    EdgeIteratorState eState = iter.detach(false);
    assertEquals(iter.toString(), eState.toString());
    iter.next();
    assertNotEquals(iter.toString(), eState.toString());

    EdgeIteratorState eState2 = iter.detach(true);
    assertEquals(iter.getAdjNode(), eState2.getBaseNode());
    iter.next();
    assertNotEquals(iter.getAdjNode(), eState2.getBaseNode());
  }
 @Test
 public void testFootMix() {
   graph = createGraph();
   graph.edge(0, 1).setDistance(10).setFlags(footEncoder.setProperties(10, true, true));
   graph.edge(0, 2).setDistance(10).setFlags(carEncoder.setProperties(10, true, true));
   graph
       .edge(0, 3)
       .setDistance(10)
       .setFlags(
           footEncoder.setProperties(10, true, true) | carEncoder.setProperties(10, true, true));
   EdgeExplorer footOutExplorer =
       graph.createEdgeExplorer(new DefaultEdgeFilter(footEncoder, false, true));
   assertEquals(GHUtility.asSet(3, 1), GHUtility.getNeighbors(footOutExplorer.setBaseNode(0)));
   assertEquals(GHUtility.asSet(3, 2), GHUtility.getNeighbors(carOutExplorer.setBaseNode(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 testInfinityWeight() {
   graph = createGraph();
   EdgeIteratorState edge = graph.edge(0, 1);
   edge.setDistance(Double.POSITIVE_INFINITY);
   assertTrue(Double.isInfinite(edge.getDistance()));
 }
 @Test
 public void testIdenticalNodes2() {
   graph = createGraph();
   graph.edge(0, 0, 100, false);
   graph.edge(0, 0, 100, false);
   assertEquals(2, GHUtility.count(carAllExplorer.setBaseNode(0)));
 }
  @Test
  public void testCheckFirstNode() {
    graph = createGraph();

    assertEquals(0, count(carAllExplorer.setBaseNode(1)));
    graph.edge(0, 1, 12, true);
    assertEquals(1, count(carAllExplorer.setBaseNode(1)));
  }
  @Test
  public void testBounds() {
    graph = createGraph();
    BBox b = graph.getBounds();
    assertEquals(BBox.INVERSE.maxLat, b.maxLat, 1e-6);

    NodeAccess na = graph.getNodeAccess();
    na.setNode(0, 10, 20);
    assertEquals(10, b.maxLat, 1e-6);
    assertEquals(20, b.maxLon, 1e-6);

    na.setNode(0, 15, -15);
    assertEquals(15, b.maxLat, 1e-6);
    assertEquals(20, b.maxLon, 1e-6);
    assertEquals(10, b.minLat, 1e-6);
    assertEquals(-15, b.minLon, 1e-6);
  }
  @Test
  public void testDeleteNodeForUnidir() {
    graph = createGraph();
    NodeAccess na = graph.getNodeAccess();
    na.setNode(10, 10, 1);
    na.setNode(6, 6, 1);
    na.setNode(20, 20, 1);
    na.setNode(21, 21, 1);

    graph.edge(10, 20, 10, false);
    graph.edge(21, 6, 10, false);

    graph.markNodeRemoved(0);
    graph.markNodeRemoved(7);
    assertEquals(22, graph.getNodes());
    graph.optimize();
    assertEquals(20, graph.getNodes());

    assertEquals(1, GHUtility.count(carInExplorer.setBaseNode(getIdOf(graph, 20))));
    assertEquals(0, GHUtility.count(carOutExplorer.setBaseNode(getIdOf(graph, 20))));

    assertEquals(1, GHUtility.count(carOutExplorer.setBaseNode(getIdOf(graph, 10))));
    assertEquals(0, GHUtility.count(carInExplorer.setBaseNode(getIdOf(graph, 10))));

    assertEquals(1, GHUtility.count(carInExplorer.setBaseNode(getIdOf(graph, 6))));
    assertEquals(0, GHUtility.count(carOutExplorer.setBaseNode(getIdOf(graph, 6))));

    assertEquals(1, GHUtility.count(carOutExplorer.setBaseNode(getIdOf(graph, 21))));
    assertEquals(0, GHUtility.count(carInExplorer.setBaseNode(getIdOf(graph, 21))));
  }
  @Test
  public void testFlags() {
    graph = createGraph();
    graph.edge(0, 1).setDistance(10).setFlags(carEncoder.setProperties(100, true, true));
    graph.edge(2, 3).setDistance(10).setFlags(carEncoder.setProperties(10, true, false));

    EdgeIterator iter = carAllExplorer.setBaseNode(0);
    assertTrue(iter.next());
    assertEquals(carEncoder.setProperties(100, true, true), iter.getFlags());

    iter = carAllExplorer.setBaseNode(2);
    assertTrue(iter.next());
    assertEquals(carEncoder.setProperties(10, true, false), iter.getFlags());

    try {
      graph.edge(0, 1).setDistance(-1);
      assertTrue(false);
    } catch (IllegalArgumentException ex) {
    }
  }
  @Test
  public void testEnabledElevation() {
    graph = createGraph(defaultGraphLoc, true);
    NodeAccess na = graph.getNodeAccess();
    assertTrue(na.is3D());
    na.setNode(0, 10, 20, -10);
    na.setNode(1, 11, 2, 100);
    assertEquals(-10, na.getEle(0), 1e-1);
    assertEquals(100, na.getEle(1), 1e-1);

    graph.edge(0, 1).setWayGeometry(Helper.createPointList3D(10, 27, 72, 11, 20, 1));
    assertEquals(
        Helper.createPointList3D(10, 27, 72, 11, 20, 1),
        GHUtility.getEdge(graph, 0, 1).fetchWayGeometry(0));
    assertEquals(
        Helper.createPointList3D(10, 20, -10, 10, 27, 72, 11, 20, 1, 11, 2, 100),
        GHUtility.getEdge(graph, 0, 1).fetchWayGeometry(3));
    assertEquals(
        Helper.createPointList3D(11, 2, 100, 11, 20, 1, 10, 27, 72, 10, 20, -10),
        GHUtility.getEdge(graph, 1, 0).fetchWayGeometry(3));
  }
  @Test
  public void testUpdateUnidirectional() {
    graph = createGraph();

    graph.edge(1, 2, 12, false);
    graph.edge(3, 2, 112, false);
    EdgeIterator i = carOutExplorer.setBaseNode(2);
    assertFalse(i.next());
    i = carOutExplorer.setBaseNode(3);
    assertTrue(i.next());
    assertEquals(2, i.getAdjNode());
    assertFalse(i.next());

    graph.edge(2, 3, 112, false);
    i = carOutExplorer.setBaseNode(2);
    assertTrue(i.next());
    assertEquals(3, i.getAdjNode());
    i = carOutExplorer.setBaseNode(3);
    i.next();
    assertEquals(2, i.getAdjNode());
    assertFalse(i.next());
  }
  @Test
  public void testSimpleDelete2() {
    graph = createGraph();
    NodeAccess na = graph.getNodeAccess();
    assertEquals(-1, getIdOf(graph, 12));
    na.setNode(9, 9, 1);
    assertEquals(-1, getIdOf(graph, 12));

    na.setNode(11, 11, 1);
    na.setNode(12, 12, 1);

    // mini subnetwork which gets completely removed:
    graph.edge(5, 10, 510, true);
    graph.markNodeRemoved(5);
    graph.markNodeRemoved(10);

    PointList pl = new PointList();
    pl.add(1, 2, Double.NaN);
    pl.add(1, 3, Double.NaN);
    graph.edge(9, 11, 911, true).setWayGeometry(pl);
    graph.edge(9, 12, 912, true).setWayGeometry(pl);

    assertEquals(13, graph.getNodes());
    assertEquals(Arrays.<String>asList(), GHUtility.getProblems(graph));

    // perform deletion
    graph.optimize();

    assertEquals(11, graph.getNodes());
    assertEquals(Arrays.<String>asList(), GHUtility.getProblems(graph));

    int id11 = getIdOf(graph, 11); // is now 10
    int id12 = getIdOf(graph, 12); // is now 5
    int id9 = getIdOf(graph, 9); // is now 9
    assertEquals(
        GHUtility.asSet(id12, id11), GHUtility.getNeighbors(carAllExplorer.setBaseNode(id9)));
    assertEquals(GHUtility.asSet(id9), GHUtility.getNeighbors(carAllExplorer.setBaseNode(id11)));
    assertEquals(GHUtility.asSet(id9), GHUtility.getNeighbors(carAllExplorer.setBaseNode(id12)));

    EdgeIterator iter = carAllExplorer.setBaseNode(id9);
    assertTrue(iter.next());
    assertEquals(id12, iter.getAdjNode());
    assertEquals(2, iter.fetchWayGeometry(0).getLongitude(0), 1e-7);

    assertTrue(iter.next());
    assertEquals(id11, iter.getAdjNode());
    assertEquals(2, iter.fetchWayGeometry(0).getLongitude(0), 1e-7);
  }
  @Test
  public void testEdgeProperties() {
    graph = createGraph();
    EdgeIteratorState iter1 = graph.edge(0, 1, 10, true);
    EdgeIteratorState iter2 = graph.edge(0, 2, 20, true);

    int edgeId = iter1.getEdge();
    EdgeIteratorState iter = graph.getEdgeProps(edgeId, 0);
    assertEquals(10, iter.getDistance(), 1e-5);

    edgeId = iter2.getEdge();
    iter = graph.getEdgeProps(edgeId, 0);
    assertEquals(2, iter.getBaseNode());
    assertEquals(0, iter.getAdjNode());
    assertEquals(20, iter.getDistance(), 1e-5);

    iter = graph.getEdgeProps(edgeId, 2);
    assertEquals(0, iter.getBaseNode());
    assertEquals(2, iter.getAdjNode());
    assertEquals(20, iter.getDistance(), 1e-5);

    iter = graph.getEdgeProps(edgeId, Integer.MIN_VALUE);
    assertFalse(iter == null);
    assertEquals(0, iter.getBaseNode());
    assertEquals(2, iter.getAdjNode());
    iter = graph.getEdgeProps(edgeId, 1);
    assertTrue(iter == null);

    // delete
    graph.markNodeRemoved(1);
    graph.optimize();

    // throw exception if accessing deleted edge
    try {
      graph.getEdgeProps(iter1.getEdge(), -1);
      assertTrue(false);
    } catch (Exception ex) {
    }
  }
  @Test
  public void testCreateDuplicateEdges() {
    graph = createGraph();
    graph.edge(2, 1, 12, true);
    graph.edge(2, 3, 12, true);
    graph.edge(2, 3, 13, false);
    assertEquals(3, GHUtility.count(carOutExplorer.setBaseNode(2)));

    // no exception
    graph.getEdgeProps(1, 3);

    // raise exception
    try {
      graph.getEdgeProps(4, 3);
      assertTrue(false);
    } catch (Exception ex) {
    }
    try {
      graph.getEdgeProps(-1, 3);
      assertTrue(false);
    } catch (Exception ex) {
    }

    EdgeIterator iter = carOutExplorer.setBaseNode(2);
    assertTrue(iter.next());
    EdgeIteratorState oneIter = graph.getEdgeProps(iter.getEdge(), 3);
    assertEquals(13, oneIter.getDistance(), 1e-6);
    assertEquals(2, oneIter.getBaseNode());
    assertTrue(carEncoder.isBool(oneIter.getFlags(), FlagEncoder.K_FORWARD));
    assertFalse(carEncoder.isBool(oneIter.getFlags(), FlagEncoder.K_BACKWARD));

    oneIter = graph.getEdgeProps(iter.getEdge(), 2);
    assertEquals(13, oneIter.getDistance(), 1e-6);
    assertEquals(3, oneIter.getBaseNode());
    assertFalse(carEncoder.isBool(oneIter.getFlags(), FlagEncoder.K_FORWARD));
    assertTrue(carEncoder.isBool(oneIter.getFlags(), FlagEncoder.K_BACKWARD));

    graph.edge(3, 2, 14, true);
    assertEquals(4, GHUtility.count(carOutExplorer.setBaseNode(2)));
  }