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7160252: (prefs) NodeAddedEvent was not delivered when new node add when new Node

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Change native code to convey to Java code whether a new node was added

Reviewed-by: alanb, chegar
This commit is contained in:
Kurchi Subhra Hazra 2012-07-13 16:02:26 -07:00
parent 3e4ca7604b
commit 29739d16ee
4 changed files with 141 additions and 38 deletions
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94
jdk/test/java/util/prefs/AddNodeChangeListener.java Normal file
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/*
* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 7160252
* @summary Checks if events are delivered to a listener
* when a child node is added or removed
*/
import java.util.prefs.*;
public class AddNodeChangeListener {
private static boolean failed = false;
private static Preferences userRoot, N2;
private static NodeChangeListenerAdd ncla;
public static void main(String[] args)
throws BackingStoreException, InterruptedException
{
userRoot = Preferences.userRoot();
ncla = new NodeChangeListenerAdd();
userRoot.addNodeChangeListener(ncla);
//Should initiate a node added event
addNode();
// Should not initiate a node added event
addNode();
//Should initate a child removed event
removeNode();
if (failed)
throw new RuntimeException("Failed");
}
private static void addNode()
throws BackingStoreException, InterruptedException
{
N2 = userRoot.node("N2");
userRoot.flush();
Thread.sleep(3000);
if (ncla.getAddNumber() != 1)
failed = true;
}
private static void removeNode()
throws BackingStoreException, InterruptedException
{
N2.removeNode();
userRoot.flush();
Thread.sleep(3000);
if (ncla.getAddNumber() != 0)
failed = true;
}
private static class NodeChangeListenerAdd implements NodeChangeListener {
private int totalNode = 0;
@Override
public void childAdded(NodeChangeEvent evt) {
totalNode++;
}
@Override
public void childRemoved(NodeChangeEvent evt) {
totalNode--;
}
public int getAddNumber(){
return totalNode;
}
}
}