[jira] [Commented] (JXPATH-160) ValueUtils.getValue throws exception with set and index above size

["Uwe Barthel (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JXPATH-160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15019093#comment-15019093 ] 

Uwe Barthel commented on JXPATH-160:
------------------------------------

Open pull request: [JXPATH-160: Patch and test attached on JIRA item applied.|https://github.com/apache/commons-jxpath/pull/6]

The test passed on current trunk.

Thanks to [~stalbrecht] for providing the original patch and test sources and to [~vivodamichele@hotmail.com] for extending the test.

> ValueUtils.getValue throws exception with set and index above size
> ------------------------------------------------------------------
>
>                 Key: JXPATH-160
>                 URL: https://issues.apache.org/jira/browse/JXPATH-160
>             Project: Commons JXPath
>          Issue Type: Bug
>    Affects Versions: 1.3, 1.4
>            Reporter: Stefan Albrecht
>         Attachments: NullValueFromSet.patch, ValueUtilsTest.java, ValueUtilsTest.java
>
>
> ValueUtils offers a utility method to retrieve an indexed value from a collection. In case this collection is an array or a List, the method returns null if the index is above the size. If the supplied collection is a Set instead, then a NoSuchElementException is thrown if index is above size.
> The desired behavior is that the result is the same for all kinds of collections and that even in the case of a Set null is returned if the index value is too large.



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