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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-6650) Character.getType(int) inconsistent with Character.getType(char): uses different version of unicode
Date Wed, 22 Sep 2010 19:56:33 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-6650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12913745#action_12913745
] 

Robert Muir commented on HARMONY-6650:
--------------------------------------

Ok, that makes good sense, I'll work up a patch.


> Character.getType(int) inconsistent with Character.getType(char): uses different version
of unicode
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-6650
>                 URL: https://issues.apache.org/jira/browse/HARMONY-6650
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Robert Muir
>
> While looking at Character, i noticed the code looked very different for 'int' than 'char'
here.
> in particular the int method defers to ICU, but the char method binsearches its own table.
> and the comment for that table is:
> // Unicode 3.0.1 (same as Unicode 3.0.0)
> private static final char[] typeValues ....
> But Unicode 3 is the wrong version for java5/6
> So, i tried a character whose type changed from 3.0 to 4.0, just to see.
> For example, compare these two results:
> Character.getType('\u17B5') = 8 (combining mark)
> Character.getType((int) '\u17B5') = 16 (format)

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