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https://issues.apache.org/jira/browse/JXPATH-100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Vladimirov updated JXPATH-100:
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Attachment: UnionOperationTest.java
Test case
> Core union operation does not sort result nodes according to document order
> ---------------------------------------------------------------------------
>
> Key: JXPATH-100
> URL: https://issues.apache.org/jira/browse/JXPATH-100
> Project: Commons JXPath
> Issue Type: Bug
> Affects Versions: 1.2 Final, Nightly Builds
> Reporter: Sergey Vladimirov
> Attachments: UnionOperationTest.java
>
>
> Source document:
> <MAIN><A>avalue</A><B>bvalue</B></MAIN>
> According to string() function defintion:
> "A node-set is converted to a string by returning the string-value of the
> node in the node-set that is first in document order. If the node-set is
> empty, an empty string is returned."
> Following XPath calculated incorrectly:
> string(/MAIN/B | /MAIN/A)
> Expected result: "avalue"
> Actual value: "bvalue"
> Reason:
> sorting of result nodes is missing from CoreOperationUnion
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