J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-2007 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 | /* |
| 25 | * @test |
| 26 | * @bug 4092905 |
| 27 | * @summary Tests that hasListeners() is not failed across serialization |
| 28 | * @author Graham Hamilton |
| 29 | */ |
| 30 | |
| 31 | import java.beans.PropertyChangeEvent; |
| 32 | import java.beans.PropertyChangeListener; |
| 33 | import java.beans.PropertyChangeSupport; |
| 34 | |
| 35 | import java.io.ByteArrayInputStream; |
| 36 | import java.io.ByteArrayOutputStream; |
| 37 | import java.io.ObjectInputStream; |
| 38 | import java.io.ObjectOutputStream; |
| 39 | import java.io.Serializable; |
| 40 | |
| 41 | public class Test4092905 { |
| 42 | private static final String PUBLIC = "public"; |
| 43 | private static final String PRIVATE = "private"; |
| 44 | |
| 45 | public static void main(String[] args) { |
| 46 | PropertyChangeSupport pcs = new PropertyChangeSupport(args); |
| 47 | pcs.addPropertyChangeListener(PUBLIC, new PublicListener()); |
| 48 | pcs.addPropertyChangeListener(PRIVATE, new PrivateListener()); |
| 49 | |
| 50 | if (!pcs.hasListeners(PUBLIC)) { |
| 51 | throw new Error("no public listener"); |
| 52 | } |
| 53 | if (!pcs.hasListeners(PRIVATE)) { |
| 54 | throw new Error("no private listener"); |
| 55 | } |
| 56 | |
| 57 | try { |
| 58 | // serialize into byte array |
| 59 | ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| 60 | ObjectOutputStream output = new ObjectOutputStream(baos); |
| 61 | output.writeObject(pcs); |
| 62 | output.flush(); |
| 63 | // deserialize from byte array |
| 64 | ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); |
| 65 | ObjectInputStream input = new ObjectInputStream(bais); |
| 66 | pcs = (PropertyChangeSupport) input.readObject(); |
| 67 | } catch (Exception exception) { |
| 68 | throw new Error("unexpected exception", exception); |
| 69 | } |
| 70 | |
| 71 | if (!pcs.hasListeners(PUBLIC)) { |
| 72 | throw new Error("no public listener"); |
| 73 | } |
| 74 | if (pcs.hasListeners(PRIVATE)) { |
| 75 | throw new Error("unexpected private listener"); |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | public static class PublicListener implements PropertyChangeListener, Serializable { |
| 80 | public void propertyChange(PropertyChangeEvent event) { |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | private static class PrivateListener implements PropertyChangeListener { |
| 85 | public void propertyChange(PropertyChangeEvent event) { |
| 86 | } |
| 87 | } |
| 88 | } |