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From "Nikolay Kuznetsov (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-713) java.util.regex.Matcher.find() ignores the specified region when the pattern is "c"
Date Thu, 27 Jul 2006 16:37:15 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-713?page=all ]

Nikolay Kuznetsov updated HARMONY-713:
--------------------------------------

    Attachment: region.patch

The pattern compiled in the example is represented as a SequenceSet in HARMONY regex package.
Such a nodes has they own algorithm of find method (Simplified Boyer-Moore algorithm). This
implementation did not take into acount right region bound. Attached patch contains fix of
this problem.

> java.util.regex.Matcher.find() ignores the specified region when the pattern is "c"
> -----------------------------------------------------------------------------------
>
>                 Key: HARMONY-713
>                 URL: http://issues.apache.org/jira/browse/HARMONY-713
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Richard Liang
>         Assigned To: George Harley
>         Attachments: regex.src.diff, region.patch
>
>
> Hello Nik,
> java.util.regex.Matcher.find() ignores the specified region when the pattern is "c".
> The following test pass on RI, but fail on Harmony. I will attach the test for regression
soon :-)
>     public void testFindRegionChanged2() {
>         Pattern pattern = Pattern.compile("c");
>         String inputStr = "aabb.c";
>         Matcher matcher = pattern.matcher(inputStr);
>         matcher.region(0, 3);
>         
>         assertFalse(matcher.find());
>     }
> Best regards,
> Richard.

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