1 /*
   2  * Copyright (c) 2009, 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
  26  * @bug 4705094
  27  * @summary Checks if correct exception gets thrown when removing an
  28  *          unregistered NodeChangeListener .
  29  */
  30 
  31 import java.util.prefs.*;
  32 import java.util.*;
  33 
  34 public class RemoveUnregedListener {
  35     public static void main(String[] args) throws Exception {
  36         Preferences userRoot = null;
  37         Preferences N1 = null;
  38         NodeChangeListenerTestAdd ncl = new NodeChangeListenerTestAdd();
  39         NodeChangeListenerTestAdd ncl2 = new NodeChangeListenerTestAdd();
  40         NodeChangeListenerTestAdd ncl3 = new NodeChangeListenerTestAdd();
  41         try {
  42             userRoot = Preferences.userRoot();
  43             N1 = userRoot.node("N1");
  44             userRoot.flush();
  45 
  46             //add ncl nc2
  47             N1.addNodeChangeListener(ncl);
  48             N1.addNodeChangeListener(ncl2);
  49             N1.removeNodeChangeListener(ncl3);
  50             throw new RuntimeException();
  51         } catch (IllegalArgumentException iae) {
  52             System.out.println("Test Passed!");
  53         } catch (Exception e) {
  54             System.out.println("Test Failed");
  55             throw e;
  56         }
  57     }
  58 
  59 }
  60 class NodeChangeListenerTestAdd implements NodeChangeListener {
  61     public void childAdded(NodeChangeEvent evt) {}
  62     public void childRemoved(NodeChangeEvent evt) {}
  63 }