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From "Thomas Neidhart (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (COLLECTIONS-444) SetUniqueList may become inconsistent
Date Wed, 17 Apr 2013 18:13:16 GMT

     [ https://issues.apache.org/jira/browse/COLLECTIONS-444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Neidhart resolved COLLECTIONS-444.
-----------------------------------------

    Resolution: Fixed

Fixed in r1469016.

Thanks again for looking into this.
                
> SetUniqueList may become inconsistent
> -------------------------------------
>
>                 Key: COLLECTIONS-444
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-444
>             Project: Commons Collections
>          Issue Type: Bug
>          Components: List
>    Affects Versions: 3.2.1
>            Reporter: Thomas Vahrst
>             Fix For: 4.0
>
>
> I found this bug during my work on issue COLLECTIONS-310 : 
> When you 'set' an element to a position that contains this element, it is removed from
the internal set. This leads to the situation that 
> - invocing get() returns the element
> - invocing contains() returns false.
> Extending the existing test method for set:
> {code}
>    public void testSet() {
>         final SetUniqueList<E> lset = new SetUniqueList<E>(new ArrayList<E>(),
new HashSet<E>());
>         // Duplicate element
>         final E obj1 = (E) new Integer(1);
>         final E obj2 = (E) new Integer(2);
>         final E obj3 = (E) new Integer(3);
>         lset.add(obj1);
>         lset.add(obj2);
>         lset.set(0, obj1);
>         assertEquals(2, lset.size());
>         assertSame(obj1, lset.get(0));
>         assertSame(obj2, lset.get(1));
>         assertTrue(lset.contains(obj1));  // fails !
>         assertTrue(lset.contains(obj2));
> {code}

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