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Java > Open Source Codes > com > tonbeller > wcf > tree > TreeModelDecoratorTest


1 package com.tonbeller.wcf.tree;
2
3 import junit.framework.TestCase;
4
5 /**
6  * @author av
7  */
8 public class TreeModelDecoratorTest extends TestCase {
9
10   public TreeModelDecoratorTest(String JavaDoc arg0) {
11     super(arg0);
12   }
13
14   N root;
15   TestModel tree;
16
17   NodeFilter filter = new NodeFilter() {
18     public boolean accept(Object JavaDoc node) {
19       return "*".equals(((N) node).getLabel());
20     }
21   };
22
23   /*
24    * a
25    * / \
26    * b c
27    * / \ / \
28    * d e f *
29    * / \ / \ / \ / \
30    * h * j k l m n o
31    *
32    * * = significant
33    */
34
35   protected void setUp() throws Exception JavaDoc {
36     root =
37       new N(
38         "a",
39         new N("b", new N("d", new N("h"), new N("*")), new N("e", new N("j"), new N("k"))),
40         new N("c", new N("f", new N("l"), new N("m")), new N("*", new N("n"), new N("o"))));
41     tree = new TestModel(root);
42     assertEquals("a[b[d[h,*],e[j,k]],c[f[l,m],*[n,o]]]", TestModel.print(tree));
43   }
44
45   public void testOptimizer() {
46     
47     OptimizingTreeModelDecorator opt = new OptimizingTreeModelDecorator(filter, tree);
48     assertEquals("b[d[h,*]],c[*[n,o]]", TestModel.print(opt));
49     
50     opt.setOptimizeRoot(false);
51     assertEquals("a[b[d[h,*]],c[*[n,o]]]", TestModel.print(opt));
52
53     opt.setOptimizeLeafs(true);
54     // System.out.println(TestModel.print(opt));
55 assertEquals("a[b[d[*]],c[*]]", TestModel.print(opt));
56   }
57   
58   public void testCachingOptimizer() {
59     CachingTreeModelDecorator t1 = new CachingTreeModelDecorator(tree);
60     OptimizingTreeModelDecorator opt = new OptimizingTreeModelDecorator(filter, t1);
61     CachingTreeModelDecorator t2 = new CachingTreeModelDecorator(opt);
62     assertEquals("b[d[h,*]],c[*[n,o]]", TestModel.print(t2));
63     
64     opt.setOptimizeRoot(false);
65     assertEquals("a[b[d[h,*]],c[*[n,o]]]", TestModel.print(t2));
66
67     opt.setOptimizeLeafs(true);
68     // System.out.println(TestModel.print(opt));
69 assertEquals("a[b[d[*]],c[*]]", TestModel.print(t2));
70   }
71
72   public void testMutable() {
73     MutableTreeModelDecorator t0 = new MutableTreeModelDecorator(tree);
74     CachingTreeModelDecorator t1 = new CachingTreeModelDecorator(t0);
75     OptimizingTreeModelDecorator opt = new OptimizingTreeModelDecorator(filter, t1);
76     CachingTreeModelDecorator t2 = new CachingTreeModelDecorator(opt);
77     assertEquals("b[d[h,*]],c[*[n,o]]", TestModel.print(t2));
78     
79     opt.setOptimizeRoot(false);
80     assertEquals("a[b[d[h,*]],c[*[n,o]]]", TestModel.print(t2));
81
82     opt.setOptimizeLeafs(true);
83     // System.out.println(TestModel.print(opt));
84 assertEquals("a[b[d[*]],c[*]]", TestModel.print(t2));
85     
86     t0.move(root, root.getChildren().get(0), 0, 1);
87     assertEquals("a[c[*],b[d[*]]]", TestModel.print(t2));
88   }
89   
90
91
92 }
93
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