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From "Svetlana Samoilenko (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-1767) [classlib][swing]javax.swing.text.html.ComponentView(Element) throws unexpected NullPointerException on user's implementation
Date Mon, 09 Oct 2006 05:39:20 GMT
[classlib][swing]javax.swing.text.html.ComponentView(Element) throws unexpected NullPointerException
on user's implementation
-----------------------------------------------------------------------------------------------------------------------------

                 Key: HARMONY-1767
                 URL: http://issues.apache.org/jira/browse/HARMONY-1767
             Project: Harmony
          Issue Type: Bug
          Components: Classlib
            Reporter: Svetlana Samoilenko
            Priority: Trivial


Harmony throws unexpected NPE for ComponentView(Element) on user's Element implementation.
RI works correctly.

Test for reproducing:
import junit.framework.TestCase;
import javax.swing.text.*;
import javax.swing.text.html.*;

public class test extends TestCase  {          
    
    public void testSetParent_View(){    	
        HTMLDocument doc = new HTMLDocument();
        Element e=doc.getDefaultRootElement();
        ComponentView obj = new ComponentView(new testElement());
        obj.setParent(new ListView(e));        
     }  
    private class testElement implements Element {
        public boolean isLeaf() {
            return false;
        }
        public Element getElement(int p0) {
            return null;
        }
        public int getElementCount() {
            return 0;
        }
        public int getElementIndex(int p0) {
            return 0;
        }
        public int getEndOffset() {
            return 0;
        }       
        public int getStartOffset() {
            return 0;
        }       
        public AttributeSet getAttributes() {
            return null;
        }
        public String getName() {
            return "AA";
        }
        public Element getParentElement() {
            return null;
        }
        public Document getDocument() {
            return null;
        }
    }
}

HARMONY output:
=============
Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors,
as applicable.
java version "1.5.0"
pre-alpha : not complete or compatible
svn = r450941, (Sep 28 2006), Windows/ia32/msvc 1310, release build
http://incubator.apache.org/harmony
.E
Time: 0.578
There was 1 error:
1) testSetParent_View(test)java.lang.NullPointerException
        at javax.swing.text.StyleConstants.getComponent(StyleConstants.java:202)
        at javax.swing.text.ComponentView.createComponent(ComponentView.java:182)
        at javax.swing.text.ComponentView.setParent(ComponentView.java:163)
        at test.testSetParent_View(test.java:9)
        at java.lang.reflect.VMReflection.invokeMethod(VMReflection.java)
FAILURES!!!
Tests run: 1,  Failures: 0,  Errors: 1

SUN output:
==========
java version "1.5.0_06"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05)
Java HotSpot(TM) Client VM (build 1.5.0_06-b05, mixed mode)
.
Time: 0.01
OK (1 test


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