[jira] Updated: (HARMONY-730) java.util.regex.MatcherResult.group() throws unexpected IllegalStateException

["Nikolay Kuznetsov (JIRA)" <ji...@apache.org>]

     [ http://issues.apache.org/jira/browse/HARMONY-730?page=all ]

Nikolay Kuznetsov updated HARMONY-730:
--------------------------------------

    Attachment: matchResult.patch

This one is simple. The matchResult copy created with toMatchResult method does contain array of region bounds, but misses match result's state(successful match or not).

Fix attached.

> java.util.regex.MatcherResult.group() throws unexpected IllegalStateException
> -----------------------------------------------------------------------------
>
>          Key: HARMONY-730
>          URL: http://issues.apache.org/jira/browse/HARMONY-730
>      Project: Harmony
>         Type: Bug

>   Components: Classlib
>     Reporter: Richard Liang
>  Attachments: matchResult.patch
>
> Hello,
> java.util.regex.MatchResult.group() throws unexpected IllegalStateException. According to the spec toMatchResult() 'Returns the match state of this matcher as a MatchResult. The result is unaffected by subsequent operations performed upon this matcher.' But, when invoking query methods on harmony MatchResult, IllegalStateException will be thrown out.
> The following test case will pass on RI, but fail on Harmony.
> public void test_toMatchResult() {
>         Pattern pattern = Pattern.compile("\\p{Lower}+");
>         Matcher matcher = pattern.matcher("test");
>         assertTrue(matcher.matches());
>         assertEquals("test", matcher.toMatchResult().group());
> }
> Best regards,
> Richard

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