@Test public void buildNodeTree() throws Exception { SortingNode<String> root = new SortingNode.Builder<String>().build(); assertFalse(root.hasChild()); assertTrue(root.isRoot()); assertFalse(root.hasParent()); 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(); assertFalse(tree.hasParent()); assertTrue(tree.isRoot()); assertFalse(tree.hasParent()); String expected = "" + "*\n" + " 100\n" + " 200\n" + " 210\n" + " 220\n" + " 300\n" + " 400\n" + " 410\n" + " 420\n" + " 430\n" + " 431"; assertEquals(expected, tree.prettyPrint()); SortingNode<Integer> n410 = tree.getChildren().get(3).getChildren().get(0); assertFalse(n410.hasChild()); assertTrue(n410.hasParent()); assertFalse(n410.isRoot()); assertEquals("410", n410.prettyPrint()); }
@Test public void emptyRoot() throws Exception { SortingNode<Long> emptyRoot = SortingNode.emptyRoot(); assertFalse(emptyRoot.hasChild()); assertTrue(emptyRoot.isRoot()); assertFalse(emptyRoot.hasParent()); }