jdk1.4 build46 windows NT testing.

java.util.prefs.Preferences
  removeNodeChangeListener(NodeChangeListener ncl)

     IllegalArgumentException - not thrown when ncl is not a registered
                                NodeChangeListener
    
    Instead NegativeArraySizeException thrown

---------------Test Program--------------------------
 
 
import java.util.prefs.*;
import java.util.*;
 
 
public class Test {
      public static void main(String[] args) throws Exception {
   
         try {
            Preferences userRoot = Preferences.userRoot();
            Preferences N1 = userRoot.node("N1");
            userRoot.flush();
            NodeChangeListenerTestAdd ncl = new NodeChangeListenerTestAdd();
            //removenodeListener
            N1.removeNodeChangeListener(ncl);
            System.out.println("Test Fail");
        } catch(IllegalArgumentException iae) {
           System.out.println("Expected IllegalArgumentException thrown = " + iae + " Test Pass");
        } catch (Exception e) {
           System.out.println("Exception thrown = " + e);
           System.out.println("Test Fail");
           e.printStackTrace();
        }
   }
}
 
class NodeChangeListenerTestAdd implements NodeChangeListener {
    private Preferences nodeAdded = null;
    private Preferences parentNode = null;
    private Preferences nodeRemoved = null;
    private int nodeAddedCount = 0;
    private int nodeRemovedCount = 0;
   
    public void childAdded(NodeChangeEvent evt) {
        nodeAdded = evt.getChild();
        parentNode = evt.getParent();
        nodeAddedCount++;
    }
   
    public Preferences getNodeAdded() {
        return nodeAdded;
    }
    public Preferences getParentNode() {
        return parentNode;
    }
    public int getNodeAddedCount(){
        return nodeAddedCount;
    }
    public void childRemoved(NodeChangeEvent evt) {
        nodeRemoved = evt.getChild();
        nodeRemovedCount++;
    }
    public Preferences getNodeRemoved() {
        return nodeRemoved;
    }
    public int getNodeRemoveCount(){
        return nodeRemovedCount;
    }
   
}

----------------------output---------------------------------------
 I:\merlin\dev\testbase\src\libs_api_tests\common\java_util\prefs\Preferences\SJvmSThread\userRoot\RemoveNodeChangeListener>java -version
java version "1.4.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta-b46)
Java HotSpot(TM) Client VM (build B45, mixed mode)

I:\merlin\dev\testbase\src\libs_api_tests\common\java_util\prefs\Preferences\SJvmSThread\userRoot\RemoveNodeChangeListener>javac Test.java

I:\merlin\dev\testbase\src\libs_api_tests\common\java_util\prefs\Preferences\SJvmSThread\userRoot\RemoveNodeChangeListener>java Test
Exception thrown = java.lang.NegativeArraySizeException
Test Fail
java.lang.NegativeArraySizeException
        at java.util.prefs.AbstractPreferences.removeNodeChangeListener(../../../src/share/classes/java/util/prefs/AbstractPreferences.java:958)
        at Test.main(Test.java:16)