[jira] [Resolved] (COLLECTIONS-697) JavaDoc for FixedSizeList should warn that modifying underlying list is still allowed and is not prevented

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[jira] [Resolved] (COLLECTIONS-697) JavaDoc for FixedSizeList should warn that modifying underlying list is still allowed and is not prevented

Gilles Sadowski (Jira)

     [ https://issues.apache.org/jira/browse/COLLECTIONS-697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bruno P. Kinoshita resolved COLLECTIONS-697.
--------------------------------------------
    Fix Version/s: 4.5
       Resolution: Fixed

The PR [https://github.com/apache/commons-collections/pull/55] has been merged. Closing this one.

> JavaDoc for FixedSizeList should warn that modifying underlying list is still allowed and is not prevented
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: COLLECTIONS-697
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-697
>             Project: Commons Collections
>          Issue Type: Bug
>            Reporter: Ranjan George
>            Priority: Major
>             Fix For: 4.5
>
>
> I just noticed that it is not explicitly mentioned in the JavaDoc that modifying the underlying list of a FixedSizeList would actually land up modifying the list of the constructed FixedSizeList.  Not sure if this was by design, but at the very list I think the JavaDoc should caution against this.
> Following is a test case that written that you could use to check this.
> {code:java}
> public void testAllowsMutationOfUnderlyingCollection() {
>  List<String> decoratedList = new ArrayList<>();
>  decoratedList.add("item 1");
>  decoratedList.add("item 2");
>  //
>  FixedSizeList<String> fixedSizeList = FixedSizeList.fixedSizeList(decoratedList);
>  int sizeBefore = fixedSizeList.size();
>  //
>  boolean changed = decoratedList.add("New Value");
>  Assert.assertTrue(changed);
>  //
>  Assert.assertEquals("Modifying an the underlying list is allowed", sizeBefore + 1, fixedSizeList.size());
> }
> {code}



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