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From "Sean Qiu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5808) [classlib][luni] add() method of listIterator implementation in AbstractList may throw unexpected ConcurrentModificationException
Date Tue, 06 May 2008 07:01:55 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Qiu updated HARMONY-5808:
------------------------------

    Attachment: Harmony-5808.diff

Could someone please try this patch? Thanks

> [classlib][luni] add() method of listIterator implementation in AbstractList may throw
unexpected ConcurrentModificationException
> ---------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-5808
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5808
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>    Affects Versions: 5.0M6
>            Reporter: Sean Qiu
>             Fix For: 5.0M6
>
>         Attachments: Harmony-5808.diff
>
>
> add() method of listIterator implementation in AbstractList may throw unexpected ConcurrentModificationException.
> Its behavior is different from the one of RI.
> Here is the test case:
> public class AbstractListTest extends junit.framework.TestCase {
>     public void test_listIterator() {
>         list = new MockArrayList();
>         ListIterator it = list.listIterator();
>         it.add("one");
>         it.add("two");
>         assertEquals(2,list.size());
>     }
>     class MockArrayList<E> extends AbstractList<E> {
>     	ArrayList<E> list = new ArrayList<E>();
>     	
>     	public E remove(int idx) {
>     		modCount++;
>     		return list.remove(idx);
>     	}
>     	@Override
>     	public E get(int index) {
>     		return list.get(index);
>     	}
>     	@Override
>     	public int size() {
>     		return list.size();
>     	}
>     	@Override    	
>     	public void add(int idx, E o) {
>     		modCount += 10;
>     		list.add(idx, o);
>     	}
>     }
> }
> Test results:
> RI  can pass this test.
> Harmony will throw a ConcurrentModificationException.

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