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https://issues.apache.org/jira/browse/COLLECTIONS-444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Neidhart updated COLLECTIONS-444:
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Fix Version/s: 3.2.2
> 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: 3.2.2, 4.0-alpha1, 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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