1 /* 2 * Copyright (c) 2007, 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 /* @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 main(String[] args)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 test()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 doInBackground()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 done()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 } 92