1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/*
* Copyright (c) 2004, 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4985020
* @summary Tests passing of null as property name
* @author Brent Christian
*/
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.beans.VetoableChangeListener;
import java.beans.VetoableChangeSupport;
public class Test4985020 implements PropertyChangeListener, VetoableChangeListener {
private static final String NAME = new String("Property Name");
private static boolean failed;
public static void main(String[] args) {
PropertyChangeSupport pcs = new PropertyChangeSupport(args);
VetoableChangeSupport vcs = new VetoableChangeSupport(args);
Test4985020 listener = new Test4985020();
//PropertyChangeSupport.addPropertyChangeListener(null, listener)
System.out.println("PropertyChangeSupport.addPropertyChangeListener(null, listener)");
try {
pcs.addPropertyChangeListener(null, listener);
pcs.firePropertyChange(NAME, null, null);
}
catch (Throwable error) {
print(error);
}
//PropertyChangeSupport.removePropertyChangeListener(null, listener)
System.out.println("PropertyChangeSupport.removePropertyChangeListener(null, listener)");
try {
pcs.removePropertyChangeListener(null, listener);
pcs.firePropertyChange(NAME, null, null);
}
catch (Throwable error) {
print(error);
}
//PropertyChangeSupport.getPropertyChangeListeners(null)
System.out.println("PropertyChangeSupport.getPropertyChangeListeners(null)");
try {
PropertyChangeListener[] pcls = pcs.getPropertyChangeListeners(null);
if (pcls == null) {
throw new Error("getPropertyChangeListener() returned null");
}
if (pcls.length != 0) {
throw new Error("getPropertyChangeListener() did not return an empty array");
}
}
catch (Throwable error) {
print(error);
}
//PropertyChangeSupport.hasListeners(null)
System.out.println("PropertyChangeSupport.hasListeners(null)");
try {
pcs.hasListeners(null);
}
catch (Throwable error) {
print(error);
}
//PropertyChangeSupport.hasListeners(null): with a generic listener
System.out.println("PropertyChangeSupport.hasListeners(null) with a generic listener");
try {
pcs.addPropertyChangeListener(listener);
if (!pcs.hasListeners(null)) {
throw new Error("hasListeners(null) returned false, but there was a generic listener");
}
}
catch (Throwable error) {
print(error);
}
pcs = new PropertyChangeSupport(args); // reset
//PropertyChangeSupport.hasListeners(null): with a specific listener
System.out.println("PropertyChangeSupport.hasListeners(null) with a specific listener");
try {
pcs.addPropertyChangeListener(NAME, listener);
if (pcs.hasListeners(null)) {
throw new Error("hasListeners(null) returned true, but there were no generic listeners - only a specific listener");
}
}
catch (Throwable error) {
print(error);
}
//VetoableChangeSupport.addVetoableChangeListener(null, listener)
System.out.println("VetoableChangeSupport.addVetoableChangeListener(null, listener)");
try {
vcs.addVetoableChangeListener(null, listener);
vcs.fireVetoableChange(NAME, null, null);
}
catch (Throwable error) {
print(error);
}
//VetoableChangeSupport.removeVetoableChangeListener(null, listener)
System.out.println("VetoableChangeSupport.removeVetoableChangeListener(null, listener)");
try {
vcs.removeVetoableChangeListener(null, listener);
vcs.fireVetoableChange(NAME, null, null);
}
catch (Throwable error) {
print(error);
}
//VetoableChangeSupport.getVetoableChangeListeners(null)
System.out.println("VetoableChangeSupport.getVetoableChangeListeners(null)");
try {
VetoableChangeListener[] pcls = vcs.getVetoableChangeListeners(null);
if (pcls == null) {
throw new Error("getVetoableChangeListener() returned null");
}
if (pcls.length != 0) {
throw new Error("getVetoableChangeListener() did not return an empty array");
}
}
catch (Throwable error) {
print(error);
}
//VetoableChangeSupport.hasListeners(null)
System.out.println("VetoableChangeSupport.hasListeners(null)");
try {
boolean result = vcs.hasListeners(null);
}
catch (Throwable error) {
print(error);
}
//VetoableChangeSupport.hasListeners(null): with a generic listener
System.out.println("VetoableChangeSupport.hasListeners(null) with a generic listener");
try {
vcs.addVetoableChangeListener(listener);
if (!vcs.hasListeners(null)) {
throw new Error("hasListeners(null) returned false, but there was a generic listener");
}
}
catch (Throwable error) {
print(error);
}
vcs = new VetoableChangeSupport(args); // reset
//VetoableChangeSupport.hasListeners(null): with a specific listener
System.out.println("VetoableChangeSupport.hasListeners(null) with a specific listener");
try {
vcs.addVetoableChangeListener(NAME, listener);
if (vcs.hasListeners(null)) {
throw new Error("hasListeners(null) returned true, but there were no generic listeners - only a specific listener");
}
}
catch (Throwable error) {
print(error);
}
if (failed) {
throw new Error("TEST FAILED");
}
}
private static void print(Throwable error) {
error.printStackTrace();
failed = true;
}
public void propertyChange(PropertyChangeEvent event) {
System.out.println("* propertyChange(event) event is " + event.getPropertyName());
throw new Error("shouldn't be any listeners");
}
public void vetoableChange(PropertyChangeEvent event) {
System.out.println("* vetoableChange(event) event is " + event.getPropertyName());
throw new Error("shouldn't be any listeners");
}
}
|
