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Date: Mon, 3 Jul 2006 16:31:30 +0000 (GMT+00:00)
From: "Nikolay Kuznetsov (JIRA)" <jira@apache.org>
To: harmony-commits@incubator.apache.org
Subject: [jira] Updated: (HARMONY-674) Pattern throws
 ArrayIndexOutOfBoundsException when mathching regexp
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     [ http://issues.apache.org/jira/browse/HARMONY-674?page=all ]

Nikolay Kuznetsov updated HARMONY-674:
--------------------------------------

    Attachment: nonCap.patch

Non-capturing group in Harmoni implmentation have to count number of character consumed, to avoid overflow on quantifiers, this functionality was duplicated with indices counting for particular group, while no actual group exists.

Fix attached.

> Pattern throws ArrayIndexOutOfBoundsException when mathching regexp
> -------------------------------------------------------------------
>
>          Key: HARMONY-674
>          URL: http://issues.apache.org/jira/browse/HARMONY-674
>      Project: Harmony
>         Type: Bug

>   Components: Classlib
>  Environment: any
>     Reporter: Alexander Simbirtsev
>  Attachments: nonCap.patch
>
> Use the following code to reproduce:
> import java.util.regex.Pattern;
> import junit.framework.TestCase;
> public class Test extends TestCase {
>     public void testPatternMatcher() throws Exception {
>         Pattern pattern = Pattern.compile("(?:\\d+)(?:pt)");
>         assertTrue(pattern.matcher("14pt").matches());
>     }
> }

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