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1
19
20 package org.netbeans.lib.editor.util;
21
22 import java.io.Serializable  ;
23 import java.util.ArrayList ;
24 import java.util.Collections ;
25 import java.util.EventListener ;
26 import java.util.HashMap ;
27 import java.util.Iterator ;
28 import java.util.List ;
29 import java.util.Map ;
30 import java.util.Random ;
31 import org.netbeans.junit.NbTest;
32 import org.netbeans.junit.NbTestCase;
33 import org.netbeans.junit.NbTestSuite;
34 import org.openide.util.io.NbMarshalledObject;
35
36
37
42 public class ListenerListTest extends NbTestCase {
43
44 private static final boolean debug = false;
45
46 public ListenerListTest(java.lang.String testName) {
47 super(testName);
48 }
49
50 public void testAddAndRemoveListeners() {
51 ListenerListCouple<MyL> couple = new ListenerListCouple<MyL>();
52 MyL l1 = new MyL();
53 MyL l11 = new MyL();
54 MyL l2 = new MyL();
55 MyL l21 = new MyL();
56 MyL l3 = new MyL();
57 couple.add(l1);
58 couple.add(l2);
59 couple.add(l3);
60 couple.add(l21);
61 couple.add(l11);
62 couple.remove(l1);
63 couple.remove(l2);
64 couple.remove(l2);
65 couple.remove(l21);
66 couple.remove(l3);
67 couple.add(l3);
68 }
69
70 public void testSerialization() throws Exception {
71 ListenerList<MyL> ll = new ListenerList<MyL>();
72 ll.add(new MyL());
73 ll.add(new MyL());
74 ll.add(new MyL());
75
76 NbMarshalledObject mo = new NbMarshalledObject(ll);
77 @SuppressWarnings ("unchecked")
78 ListenerList<MyL> sll = (ListenerList<MyL>)mo.get();
79 List <MyL> lla = ll.getListeners();
80 List <MyL> slla = sll.getListeners();
81 assertEquals(lla.size(), slla.size());
82 for (int i = lla.size() - 1; i >= 0; i--) {
83 assertEquals(lla.get(i), slla.get(i));
84 }
85 }
86
87 private static final class MyL implements EventListener , Serializable {
88
89 static final long serialVersionUID = 12345L;
90
91 static int cntr;
93 private int id = cntr++;
95 private int notified;
96
97 public void notifyChange() {
98 notified++;
99 }
100
101 public int getNotified() {
102 return notified;
103 }
104
105 public int hashCode() {
106 return id;
107 }
108
109 public boolean equals(Object o) {
110 if (this == o)
111 return true;
112 if (o instanceof MyL)
113 return (id == ((MyL) o).id);
114 return false;
115 }
116
117 }
118
119 private static final class ListenerListCouple<T extends EventListener > {
120
121 ListenerList<T> listenerList;
122
123 List <T> imitation;
124
125 public ListenerListCouple() {
126 listenerList = new ListenerList<T>();
127 imitation = new ArrayList <T>();
128 }
129
130 public void add(T listener) {
131 listenerList.add(listener);
132 imitation.add(listener);
133 checkListsEqual();
134 }
135
136 public void remove(T listener) {
137 listenerList.remove(listener);
138 imitation.remove(listener);
139 checkListsEqual();
140 }
141
142 public void checkListsEqual() {
143 assertEquals(imitation.size(), listenerList.getListenerCount());
145 int i = 0;
146 List <T> listeners = listenerList.getListeners();
147 for (EventListener l : imitation) {
148 assertSame(l, listeners.get(i++));
149 }
150 }
151
152 }
153
154 }
155 |
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