SetUniqueList.subList().contains() method checks against full parent list, not sublist range
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                 Key: COLLECTIONS-307
                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-307
             Project: Commons Collections
          Issue Type: Bug
          Components: List
    Affects Versions: 3.2
            Reporter: Christian Semrau
            Priority: Minor


The view returned by the subList() method of a SetUniqueList checks contains() against the set of the original list.

As shown by the following test snippet.

		List list = new ArrayList();
		List uniqueList = SetUniqueList.decorate(list);
		uniqueList.add("Hello");
		uniqueList.add("World");
		List subList = list.subList(0, 0);
		List subUniqueList = uniqueList.subList(0, 0);
		assertFalse(subList.contains("World")); // passes
		assertFalse(subUniqueList.contains("World")); // fails


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