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1 package com.tonbeller.wcf.tree;
2
3 import com.tonbeller.wcf.tree.TestTreeModel.Node;
4
5
11 public class MutableTreeModelDecoratorTest extends NodeCountTestBase {
12 TreeModel ttm;
13 MutableTreeModelDecorator mtd;
14 TestTreeModel.Node[] roots;
15 TestTreeModel.Node[] children;
16
17 void setUp(int n) {
18 ttm = new TestTreeModel(new int[] { 1, n});
19 mtd = new MutableTreeModelDecorator(ttm);
20 roots = (Node[]) mtd.getRoots();
21 children = (Node[]) mtd.getChildren(roots[0]);
22 }
23
24 protected void setUp() throws Exception  {
25 setUp(4);
26 }
27
28 void assertOrder(int[] ord) {
29 assertEquals(children.length, ord.length);
30 children = (Node[]) mtd.getChildren(roots[0]);
31 for (int i = 0; i < ord.length; i++) {
32 String s = "A[" + ord[i] + "]";
33 assertEquals("node[" + i + "] = ", s, children[i].getName());
34 }
35 }
36 void assertOrder(int i1, int i2, int i3, int i4) {
37 assertOrder(new int[]{i1, i2, i3, i4});
38 }
39
40 void fwd(int i) {
41 mtd.move(roots[0], children[i], i, i+1);
42 }
43
44 void bwd(int i) {
45 mtd.move(roots[0], children[i], i, i-1);
46 }
47
48 void move(int oldIndex, int newIndex) {
49 mtd.move(roots[0], children[oldIndex], oldIndex, newIndex);
50 }
51
52 public void testFwdBwd() {
53 assertEquals(4, children.length);
54 assertOrder(0, 1, 2, 3);
55 bwd(0);
56 assertOrder(0, 1, 2, 3);
57 fwd(0);
58 assertOrder(1, 0, 2, 3);
59 bwd(0);
60 assertOrder(1, 0, 2, 3);
61 bwd(1);
62 assertOrder(0, 1, 2, 3);
63 bwd(1);
64 assertOrder(1, 0, 2, 3);
65 bwd(1);
66 assertOrder(0, 1, 2, 3);
67 fwd(3);
68 assertOrder(0, 1, 2, 3);
69 bwd(3);
70 assertOrder(0, 1, 3, 2);
71 bwd(3);
72 assertOrder(0, 1, 2, 3);
73 fwd(2);
74 assertOrder(0, 1, 3, 2);
75 fwd(2);
76 assertOrder(0, 1, 2, 3);
77 }
78
79 public void testInterval() {
80 assertEquals(4, children.length);
81 assertOrder(0, 1, 2, 3);
82 move(0, 0);
83 move(1, 1);
84 assertOrder(0, 1, 2, 3);
85 move(0, 1);
86 assertOrder(1, 0, 2, 3);
87 move(0, 2);
88 assertOrder(0, 2, 1, 3);
89 move(0, 3);
90 assertOrder(2, 1, 3, 0);
91 }
92 }
93 |
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