1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5  * This code is free software; you can redistribute it and/or modify it
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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 
24 /*
25  * @test
26  * @bug 5004188
27  * @summary Tests sequence of listeners
28  * @author Sergey Malenkov
29  */
30 
31 import java.beans.PropertyChangeEvent;
32 import java.beans.PropertyVetoException;
33 import java.beans.VetoableChangeListener;
34 import java.beans.VetoableChangeListenerProxy;
35 import java.beans.VetoableChangeSupport;
36 
37 public final class TestListeners implements VetoableChangeListener {
38     private static final String NAME = "property";
39     private static final String NONE = "broken";
40 
41     private static int current;
42 
main(String[] args)43     public static void main(String[] args) throws PropertyVetoException {
44         VetoableChangeSupport vcs = new VetoableChangeSupport(TestListeners.class);
45         vcs.addVetoableChangeListener(new TestListeners(0));
46         vcs.addVetoableChangeListener(NAME, new TestListeners(2));
47         vcs.addVetoableChangeListener(new TestListeners(1));
48         vcs.addVetoableChangeListener(NAME, new VetoableChangeListenerProxy(NAME, new TestListeners(3)));
49 
50 
51         current = 0;
52         vcs.fireVetoableChange(NAME, 0, 1);
53         if (current != 4)
54             throw new Error("Expected 4 listeners, but called " + current);
55 
56         current = 0;
57         vcs.fireVetoableChange(NONE, 1, 0);
58         if (current != 2)
59             throw new Error("Expected 2 listeners, but called " + current);
60 
61 
62         VetoableChangeListener[] all = vcs.getVetoableChangeListeners();
63         if (all.length != 4)
64             throw new Error("Expected 4 listeners, but contained " + all.length);
65 
66         VetoableChangeListener[] named = vcs.getVetoableChangeListeners(NAME);
67         if (named.length != 2)
68             throw new Error("Expected 2 named listeners, but contained " + named.length);
69 
70         VetoableChangeListener[] other = vcs.getVetoableChangeListeners(NONE);
71         if (other.length != 0)
72             throw new Error("Expected 0 other listeners, but contained " + other.length);
73 
74         vcs.removeVetoableChangeListener(new TestListeners(0));
75         vcs.removeVetoableChangeListener(new TestListeners(1));
76         vcs.removeVetoableChangeListener(NAME, new TestListeners(2));
77         vcs.removeVetoableChangeListener(NAME, new VetoableChangeListenerProxy(NAME, new TestListeners(3)));
78 
79         all = vcs.getVetoableChangeListeners();
80         if (all.length != 0)
81             throw new Error("Expected 4 listeners, but contained " + all.length);
82 
83         named = vcs.getVetoableChangeListeners(NAME);
84         if (named.length != 0)
85             throw new Error("Expected 2 named listeners, but contained " + named.length);
86 
87         other = vcs.getVetoableChangeListeners(NONE);
88         if (other.length != 0)
89             throw new Error("Expected 0 other listeners, but contained " + other.length);
90     }
91 
92     private final int index;
93 
TestListeners(int index)94     public TestListeners(int index) {
95         this.index = index;
96     }
97 
vetoableChange(PropertyChangeEvent event)98     public void vetoableChange(PropertyChangeEvent event) {
99         if (this.index < 0)
100             throw new Error("Unexpected listener: " + this.index);
101 
102         System.out.println("index = " + this.index);
103         if (this.index != current++)
104             throw new Error("Unexpected listener: " + this.index);
105     }
106 
107     @Override
equals(Object object)108     public boolean equals(Object object) {
109         if (object instanceof TestListeners) {
110             TestListeners test = (TestListeners)object;
111             return test.index == this.index;
112         }
113         return false;
114     }
115 
116     @Override
hashCode()117     public int hashCode() {
118         return this.index;
119     }
120 }
121