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Java > Open Source Codes > com > tc > config > schema > dynamic > CompoundConfigItemListenerTest


1 /*
2  * All content copyright (c) 2003-2006 Terracotta, Inc., except as may otherwise be noted in a separate copyright notice. All rights reserved.
3  */
4 package com.tc.config.schema.dynamic;
5
6 import com.tc.test.TCTestCase;
7
8 /**
9  * Unit test for {@link CompoundConfigItemListener}.
10  */
11 public class CompoundConfigItemListenerTest extends TCTestCase {
12
13   private MockConfigItemListener listener1;
14   private MockConfigItemListener listener2;
15
16   private CompoundConfigItemListener listener;
17
18   private Object JavaDoc oldValue1;
19   private Object JavaDoc oldValue2;
20   private Object JavaDoc newValue1;
21   private Object JavaDoc newValue2;
22
23   public void setUp() throws Exception JavaDoc {
24     this.listener1 = new MockConfigItemListener();
25     this.listener2 = new MockConfigItemListener();
26
27     this.listener = new CompoundConfigItemListener();
28
29     this.oldValue1 = new Object JavaDoc();
30     this.oldValue2 = new Object JavaDoc();
31     this.newValue1 = new Object JavaDoc();
32     this.newValue2 = new Object JavaDoc();
33   }
34
35   public void testAll() throws Exception JavaDoc {
36     try {
37       this.listener.addListener(null);
38       fail("Didn't get NPE on no listener");
39     } catch (NullPointerException JavaDoc npe) {
40       // ok
41 }
42
43     try {
44       this.listener.removeListener(null);
45       fail("Didn't get NPE on no listener");
46     } catch (NullPointerException JavaDoc npe) {
47       // ok
48 }
49
50     this.listener.valueChanged(this.oldValue1, this.newValue1);
51     assertEquals(0, this.listener1.getNumValueChangeds());
52     assertEquals(0, this.listener2.getNumValueChangeds());
53
54     this.listener1.reset();
55     this.listener2.reset();
56
57     this.listener.addListener(this.listener1);
58     this.listener.valueChanged(this.oldValue1, this.newValue1);
59
60     assertEquals(1, this.listener1.getNumValueChangeds());
61     assertSame(this.oldValue1, this.listener1.getLastOldValue());
62     assertSame(this.newValue1, this.listener1.getLastNewValue());
63     assertEquals(0, this.listener2.getNumValueChangeds());
64
65     this.listener1.reset();
66     this.listener2.reset();
67
68     this.listener.addListener(this.listener2);
69     this.listener.valueChanged(this.oldValue2, this.newValue2);
70
71     assertEquals(1, this.listener1.getNumValueChangeds());
72     assertSame(this.oldValue2, this.listener1.getLastOldValue());
73     assertSame(this.newValue2, this.listener1.getLastNewValue());
74     assertEquals(1, this.listener2.getNumValueChangeds());
75     assertSame(this.oldValue2, this.listener2.getLastOldValue());
76     assertSame(this.newValue2, this.listener2.getLastNewValue());
77
78     this.listener1.reset();
79     this.listener2.reset();
80
81     this.listener.removeListener(this.listener1);
82     this.listener.valueChanged(this.oldValue1, this.newValue1);
83
84     assertEquals(0, this.listener1.getNumValueChangeds());
85     assertEquals(1, this.listener2.getNumValueChangeds());
86     assertSame(this.oldValue1, this.listener2.getLastOldValue());
87     assertSame(this.newValue1, this.listener2.getLastNewValue());
88
89     this.listener1.reset();
90     this.listener2.reset();
91
92     this.listener.removeListener(this.listener2);
93     this.listener.valueChanged(this.oldValue2, this.newValue2);
94
95     assertEquals(0, this.listener1.getNumValueChangeds());
96     assertEquals(0, this.listener2.getNumValueChangeds());
97   }
98
99 }
100
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