1 /*
2 * Copyright (c) 2019, 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 8204142
27 * @summary Deadlock when queueing SequencedEvent of different AppContexts
28 * @author Laurent Bourges
29 * @modules java.desktop/sun.awt
30 * @run main/othervm/timeout=30 MultipleContextsFunctionalTest
31 */
32
33 import java.awt.BorderLayout;
34 import java.awt.Dimension;
35 import java.awt.event.ActionEvent;
36 import java.awt.event.ActionListener;
37 import java.util.ArrayList;
38 import java.util.List;
39 import java.util.concurrent.atomic.AtomicReference;
40 import javax.swing.JButton;
41 import javax.swing.JFrame;
42 import javax.swing.JLabel;
43 import javax.swing.SwingUtilities;
44 import javax.swing.Timer;
45
46 public final class MultipleContextsFunctionalTest {
47
48 private static final long serialVersionUID = 1L;
49
50 private static final int NUM_WINDOW = 2;
51 private static final int INTERVAL = 50;
52 private static final int MAX_TIME = 10000; // 10s
53 private static final int TOLERANCE = 10000;// 10s
54 private static final int CHECK_LAPSE = 100;
55 private static final int MAX_COUNT = MAX_TIME / INTERVAL;
56 private static final int EXPECTED = MAX_COUNT * NUM_WINDOW;
57 private static final List<TestWindow> WINDOWS = new ArrayList<TestWindow>();
58
59 public static void main(String[] args) {
60 for (int i = 0; i < NUM_WINDOW; i++) {
61 createWin(i);
62 }
63
64 int total = 0;
65 int waitingTime = MAX_TIME + TOLERANCE;
66 while (waitingTime > 0 && total != EXPECTED) {
67 try {
68 Thread.sleep(CHECK_LAPSE);
69 } catch (InterruptedException e) {
70 e.printStackTrace();
71 }
72 waitingTime -= CHECK_LAPSE;
73
74 total = 0;
75 for (TestWindow window : WINDOWS) {
76 total += window.getCounter();
77 }
78 }
79
80 // Failure if AWT hanging: assert
81 System.out.println("Total [" + total + "] - Expected [" + EXPECTED + "]");
82 if (total == EXPECTED) {
83 System.out.println("Test PASSED");
84 return;
85 }
86 System.out.println("Test FAILED");
87 Runtime.getRuntime().halt(-1);
88 }
89
90 private static void createWin(int tgNum) {
91 new Thread(new ThreadGroup("TG " + tgNum),
92 new Runnable() {
93 @Override
94 public void run() {
95 sun.awt.SunToolkit.createNewAppContext();
96
97 final AtomicReference<TestWindow> ref =
98 new AtomicReference<TestWindow>();
99
100 SwingUtilities.invokeLater(new Runnable() {
101 @Override
102 public void run() {
103 final TestWindow window = new TestWindow(tgNum);
104 window.setVisible(true);
105 ref.set(window);
106 WINDOWS.add(window);
107 }
108 });
109
110 // Wait for window to show
111 TestWindow window = ref.get();
112 while (window == null) {
113 try {
114 Thread.sleep(100);
115 } catch (InterruptedException ie) {
116 ie.printStackTrace();
117 }
118 window = ref.get();
119 }
120 window.enableTimer(true);
121 }
122 }).start();
123 }
124
125 private static final class TestWindow extends JFrame implements ActionListener {
126
127 private final JButton btn;
128 private int counter = 0;
129 private final Timer t;
130
131 TestWindow(final int num) {
132 super("Test Window [" + num + "]");
133 setMinimumSize(new Dimension(300, 200));
134 setLocation(100 + 400 * (num - 1), 100);
135
136 setLayout(new BorderLayout());
137 JLabel textBlock = new JLabel("Lorem ipsum dolor sit amet...");
138 add(textBlock);
139
140 btn = new JButton("TEST");
141 add(btn, BorderLayout.SOUTH);
142
143 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
144 pack();
145
146 t = new Timer(INTERVAL, this);
147 t.setRepeats(false);
148 }
149
150 @Override
151 public void actionPerformed(ActionEvent e) {
152 this.toFront();
153 btn.setText("TEST " + (++counter));
154 this.toBack();
155 if (counter < MAX_COUNT) {
156 enableTimer(true);
157 } else {
158 dispose();
159 }
160 }
161
162 void enableTimer(boolean enable) {
163 if (enable) {
164 t.start();
165 } else {
166 t.stop();
167 }
168 }
169
170 int getCounter() {
171 return counter;
172 }
173 }
174 }