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From "Henri Yandell (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (LANG-100) [lang] RandomStringUtils.random() family of methods create invalid unicode sequences
Date Tue, 27 Jun 2006 00:28:32 GMT
     [ http://issues.apache.org/jira/browse/LANG-100?page=all ]
     
Henri Yandell resolved LANG-100:
--------------------------------

    Resolution: Fixed

Fixed for high/low I believe, but private high get skipped currently.

svn ci -m "Adding a test and a fix for LANG-100. This is a bug in which the randomly created
String can some
times be illegal unicode; because the code does not consider when relationships exist between
characters. High and low surrogates are now dealt with, but I'm skipping private high surrogates
because I can't find out what to do. Need to go plod very slowly through the spec. This site
was very useful: http://www.alanwood.net/unicode/private_use_high_surrogates.html" src/*/org/apache/commons/lang/Random*

Sending        src/java/org/apache/commons/lang/RandomStringUtils.java
Sending        src/test/org/apache/commons/lang/RandomStringUtilsTest.java
Transmitting file data ..
Committed revision 417319.

> [lang] RandomStringUtils.random() family of methods create invalid unicode sequences
> ------------------------------------------------------------------------------------
>
>          Key: LANG-100
>          URL: http://issues.apache.org/jira/browse/LANG-100
>      Project: Commons Lang
>         Type: Bug

>     Versions: 2.1
>  Environment: Operating System: All
> Platform: All
>     Reporter: Stefan Höhne
>      Fix For: 2.2

>
> Problem are surrogate pairs: 
> E.g. RandomStringUtils.random(int) may create strings with a high surrogate not
> followed by a low surrogate character.
> When processing them, we get errors in string-conversion-functions later on.

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