PostEventOrderingTest.java revision 8729:0242fce0f717 
1/*
2 * Copyright (c) 2012, 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 PostEventOrderingTest.java
26 * @bug 4171596 6699589
27 * @summary Checks that the posting of events between the PostEventQueue
28 * @summary and the EventQueue maintains proper ordering.
29 * @run main PostEventOrderingTest
30 * @author fredx
31 */
32
33import java.awt.*;
34import java.awt.event.*;
35import sun.awt.AppContext;
36import sun.awt.SunToolkit;
37
38public class PostEventOrderingTest {
39    static boolean testPassed = true;
40
41    public static void main(String[] args) throws Throwable {
42        EventQueue q = Toolkit.getDefaultToolkit().getSystemEventQueue();
43        for (int i = 0; i < 100; i++) {
44            for (int j = 0; j < 100; j++) {
45                q.postEvent(new PostActionEvent());
46                for (int k = 0; k < 10; k++) {
47                    SunToolkit.postEvent(AppContext.getAppContext(), new PostActionEvent());
48                }
49            }
50            for (int k = 0; k < 100; k++) {
51                SunToolkit.postEvent(AppContext.getAppContext(), new PostActionEvent());
52            }
53        }
54
55        for (;;) {
56            Thread.currentThread().sleep(100);
57            if (q.peekEvent() == null) {
58                Thread.currentThread().sleep(100);
59                if (q.peekEvent() == null)
60                    break;
61            }
62        }
63
64        if (!testPassed) {
65            throw new Exception("PostEventOrderingTest FAILED -- events dispatched out of order.");
66        } else {
67            System.out.println("PostEventOrderingTest passed!");
68        }
69    }
70}
71
72class PostActionEvent extends ActionEvent implements ActiveEvent {
73    static int counter = 0;
74    static int mostRecent = -1;
75
76    int myval;
77
78    public PostActionEvent() {
79        super("", ACTION_PERFORMED, "" + counter);
80        myval = counter++;
81    }
82
83    public void dispatch() {
84        //System.out.println("myval = "+myval+", mostRecent = "+mostRecent+", diff = "+(myval-mostRecent)+".");
85        if ((myval - mostRecent) != 1)
86            PostEventOrderingTest.testPassed = false;
87        mostRecent = myval;
88    }
89}
90