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From "Alexey A. Ivanov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-1767) [classlib][swing]javax.swing.text.ComponentView(Element) throws unexpected NullPointerException on user's implementation
Date Wed, 17 Jan 2007 07:02:27 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-1767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12465369
] 

Alexey A. Ivanov commented on HARMONY-1767:
-------------------------------------------

Vasily,
Can you please update the test-case not to use html package classes and provide the test for
StyleConstants where you put your fix?

> [classlib][swing]javax.swing.text.ComponentView(Element) throws unexpected NullPointerException
on user's implementation
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1767
>                 URL: https://issues.apache.org/jira/browse/HARMONY-1767
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Svetlana Samoilenko
>         Assigned To: Mark Hindess
>            Priority: Trivial
>         Attachments: ComponentViewTest.patch, Harmony-1767-Test.patch, Harmony-1767.patch
>
>
> 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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