Esempio n. 1
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  @Test
  public void depthFirst() throws Exception {

    assertEquals(
        Collections.<Integer>emptyList(),
        SortingNode.<Integer>emptyRoot().depthFirst().collect(toList()));

    SortingNode<Integer> tree =
        new SortingNode.Builder<Integer>() //
            .childNode(100)
            .siblingNode(200)
            .childNode(210)
            .siblingNode(220)
            .parent()
            .siblingNode(300)
            .siblingNode(400)
            .childNode(410)
            .siblingNode(420)
            .siblingNode(430)
            .childNode(431)
            .build();

    assertEquals(
        asList(100, 200, 210, 220, 300, 400, 410, 420, 430, 431),
        tree.depthFirst().collect(toList()));

    SortingNode<Integer> n400 = tree.getChildren().get(3);
    assertEquals(asList(400, 410, 420, 430, 431), n400.depthFirst().collect(toList()));
  }
Esempio n. 2
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 @Test
 public void emptyRoot() throws Exception {
   SortingNode<Long> emptyRoot = SortingNode.emptyRoot();
   assertFalse(emptyRoot.hasChild());
   assertTrue(emptyRoot.isRoot());
   assertFalse(emptyRoot.hasParent());
 }