J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* @test |
| 25 | * @bug 6493680 |
| 26 | * @summary Tests if notifications are received in expected order |
| 27 | * @author Igor Kushnirskiy |
| 28 | */ |
| 29 | |
| 30 | import javax.swing.*; |
| 31 | import java.beans.*; |
| 32 | import java.util.concurrent.atomic.*; |
| 33 | import java.util.concurrent.*; |
| 34 | |
| 35 | |
| 36 | public class bug6493680 { |
| 37 | /* |
| 38 | * because timing is involved in this bug we will run the test |
| 39 | * NUMBER_OF_TRIES times. |
| 40 | * the test passes if it does not fail once. |
| 41 | */ |
| 42 | private final static int NUMBER_OF_TRIES = 50; |
| 43 | |
| 44 | public static void main(String[] args) throws Exception { |
| 45 | for (int i = 0; i < NUMBER_OF_TRIES; i++) { |
| 46 | if (! (new Test()).test()) { |
| 47 | throw new RuntimeException("failed"); |
| 48 | } |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | private static class Test { |
| 53 | private final AtomicInteger lastProgressValue = new AtomicInteger(-1); |
| 54 | private final Exchanger<Boolean> exchanger = new Exchanger<Boolean>(); |
| 55 | |
| 56 | boolean test() throws Exception { |
| 57 | TestSwingWorker swingWorker = new TestSwingWorker(); |
| 58 | swingWorker.addPropertyChangeListener( |
| 59 | new PropertyChangeListener() { |
| 60 | public void propertyChange(PropertyChangeEvent evt) { |
| 61 | if ("progress" == evt.getPropertyName()) { |
| 62 | lastProgressValue.set((Integer) evt.getNewValue()); |
| 63 | } |
| 64 | } |
| 65 | }); |
| 66 | |
| 67 | swingWorker.execute(); |
| 68 | return exchanger.exchange(true); |
| 69 | } |
| 70 | |
| 71 | private class TestSwingWorker extends SwingWorker<Void, Void> { |
| 72 | @Override |
| 73 | protected Void doInBackground() throws Exception { |
| 74 | for (int i = 0; i <= 100; i++) { |
| 75 | Thread.sleep(1); |
| 76 | setProgress(i); |
| 77 | } |
| 78 | return null; |
| 79 | } |
| 80 | @Override |
| 81 | protected void done() { |
| 82 | boolean isPassed = (lastProgressValue.get() == 100); |
| 83 | try { |
| 84 | exchanger.exchange(isPassed); |
| 85 | } catch (Exception ingore) { |
| 86 | } |
| 87 | } |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | } |