1/*
2 * Copyright (c) 2010, 2015, 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 6963811
27 * @summary Tests deadlock in PropertyEditorManager
28 * @author Sergey Malenkov
29 * @modules java.desktop/com.sun.beans.editors
30 * @compile -XDignore.symbol.file Test6963811.java
31 * @run main Test6963811
32 */
33
34import java.beans.PropertyEditorManager;
35import com.sun.beans.editors.StringEditor;
36
37public class Test6963811 implements Runnable {
38    private final long time;
39    private final boolean sync;
40
41    public Test6963811(long time, boolean sync) {
42        this.time = time;
43        this.sync = sync;
44    }
45
46    public void run() {
47        try {
48            Thread.sleep(this.time); // increase the chance of the deadlock
49            if (this.sync) {
50                synchronized (Test6963811.class) {
51                    PropertyEditorManager.findEditor(Super.class);
52                }
53            }
54            else {
55                PropertyEditorManager.findEditor(Sub.class);
56            }
57        }
58        catch (Exception exception) {
59            exception.printStackTrace();
60        }
61    }
62
63    public static void main(String[] args) throws Exception {
64        Thread[] threads = new Thread[2];
65        for (int i = 0; i < threads.length; i++) {
66            threads[i] = new Thread(new Test6963811(0L, i > 0));
67            threads[i].start();
68            Thread.sleep(500L); // increase the chance of the deadlock
69        }
70        for (Thread thread : threads) {
71            thread.join();
72        }
73    }
74
75    public static class Super {
76    }
77
78    public static class Sub extends Super {
79    }
80
81    public static class SubEditor extends StringEditor {
82        public SubEditor() {
83            new Test6963811(1000L, true).run();
84        }
85    }
86}
87