[jira] Closed: (XALANJ-2324) XPath function last() gives wrong result when select has a predicate

["Brian Minchau (JIRA)" <xa...@xml.apache.org>]

     [ https://issues.apache.org/jira/browse/XALANJ-2324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brian Minchau closed XALANJ-2324.
---------------------------------


closing this issue.

> XPath function last() gives wrong result when select has a predicate
> --------------------------------------------------------------------
>
>                 Key: XALANJ-2324
>                 URL: https://issues.apache.org/jira/browse/XALANJ-2324
>             Project: XalanJ2
>          Issue Type: Bug
>          Components: Xalan-interpretive, XPath-function
>    Affects Versions: 2.7
>            Reporter: Brian Minchau
>             Fix For: 2.7.1
>
>
> Here is the testcase, the input XML is this:
> <?xml version="1.0" encoding="UTF-8"?>  
> <project>  
>      <author>  
>        <firstname>Bugs</firstname>  
>        <initial>B</initial>  
>        <lastname>Gone</lastname>  
>      </author>  
> </project> 
> The stylesheet is this:
> <xsl:stylesheet version="1.0"  
>      xmlns:xsl="http://www.w3.org/1999/XSL/Transform">  
>      <xsl:output method="text" encoding="UTF-8"/>  
>    
>      <xsl:template match="author">  
>      <xsl:for-each select='(child::*)[not(self::initial)]'>  
>    Child element <xsl:value-of select="position()"/>  
>         of <xsl:value-of select="last()"/>  
>         Element name: <xsl:value-of select="name()"/>  
>        </xsl:for-each>  
>      </xsl:template>  
>    </xsl:stylesheet> 
> The current, and incorrect output is this:
>    Child element 1  
>         of 3  
>         Element name: firstname  
>    Child element 2  
>         of 3  
>         Element name: lastname 
> The selected elements are correct, but the last() function is returning 3 rather than 2.
> If the for-each is changed to this:
>      <xsl:for-each select='(child::*)[not(self::junk)]'>  
> it iterates over the 3 children correctly (there is no child named 'junk' so the predicate does not reduce the sequence selected by (child::*), but in this case last() returns 4.  In both cases one greater than it should.
> With no predicate things work fine.

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