1 /*
2 * Copyright (c) 2009, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
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
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /**
25 * @test
26 * @bug 6799345
27 * @key headful
28 * @summary Tests that no exceptions are thrown from TimerQueue and
29 * SwingWorker on AppContext shutdown
30 * @author art
31 * @modules java.desktop/sun.awt
32 * @run main TestShutdown
33 */
34
35 import java.awt.*;
36 import java.awt.event.*;
37
38 import java.util.*;
39
40 import javax.swing.*;
41
42 import sun.awt.*;
43
44 public class TestShutdown
45 {
46 private static AppContext targetAppContext;
47
48 private static JFrame f;
49 private static JTextField tf;
50
51 private static volatile boolean exceptionsOccurred = false;
52 private static volatile boolean appcontextInitDone = false;
53
54 private static int timerValue = 0;
55
56 public static void main(String[] args)
57 throws Exception
58 {
59 ThreadGroup tg = new TestThreadGroup("TTG");
60 Thread t = new Thread(tg, new TestRunnable(), "InitThread");
61 t.start();
62
63 while (!appcontextInitDone)
64 {
65 Thread.sleep(1000);
66 }
67
68 targetAppContext.dispose();
69
70 if (exceptionsOccurred)
71 {
72 throw new RuntimeException("Test FAILED: some exceptions occurred");
73 }
74 }
75
76 static void initGUI()
77 {
78 f = new JFrame("F");
79 f.setBounds(100, 100, 200, 100);
80 tf = new JTextField("Test");
81 f.add(tf);
82 f.setVisible(true);
83 }
84
85 static void startGUI()
86 {
87 // caret blink Timer
88 tf.requestFocusInWindow();
89
90 // misc Timer
91 ActionListener al = new ActionListener()
92 {
93 @Override
94 public void actionPerformed(ActionEvent ae)
95 {
96 System.out.println("Timer tick: " + timerValue++);
97 }
98 };
99 new javax.swing.Timer(30, al).start();
100 }
101
102 static class TestThreadGroup extends ThreadGroup
103 {
104 public TestThreadGroup(String name)
105 {
106 super(name);
107 }
108
109 @Override
110 public synchronized void uncaughtException(Thread thread, Throwable t)
111 {
112 if (t instanceof ThreadDeath)
113 {
114 // this one is expected, rethrow
115 throw (ThreadDeath)t;
116 }
117 System.err.println("Test FAILED: an exception is caught in the " +
118 "target thread group on thread " + thread.getName());
119 t.printStackTrace(System.err);
120 exceptionsOccurred = true;
121 }
122 }
123
124 static class TestRunnable implements Runnable
125 {
126 @Override
127 public void run()
128 {
129 SunToolkit stk = (SunToolkit)Toolkit.getDefaultToolkit();
130 targetAppContext = stk.createNewAppContext();
131
132 // create and show frame and text field
133 SwingUtilities.invokeLater(new Runnable()
134 {
135 @Override
136 public void run()
137 {
138 initGUI();
139 }
140 });
141 stk.realSync();
142
143 // start some Timers
144 SwingUtilities.invokeLater(new Runnable()
145 {
146 @Override
147 public void run()
148 {
149 startGUI();
150 }
151 });
152
153 // start multiple SwingWorkers
154 while (!Thread.interrupted())
155 {
156 try
157 {
158 new TestSwingWorker().execute();
159 Thread.sleep(40);
160 }
161 catch (Exception e)
162 {
163 // exception here is expected, skip
164 break;
165 }
166 }
167 }
168 }
169
170 static class TestSwingWorker extends SwingWorker<String, Integer>
171 {
172 @Override
173 public String doInBackground()
174 {
175 Random r = new Random();
176 for (int i = 0; i < 10; i++)
177 {
178 try
179 {
180 int delay = r.nextInt() % 50;
181 Thread.sleep(delay);
182 publish(delay);
183 }
184 catch (Exception z)
185 {
186 break;
187 }
188 }
189 if (!appcontextInitDone)
190 {
191 appcontextInitDone = true;
192 }
193 return "Done";
194 }
195
196 @Override
197 public void process(java.util.List<Integer> chunks)
198 {
199 for (Integer i : chunks)
200 {
201 System.err.println("Processed: " + i);
202 }
203 }
204 }
205 }