[jira] Updated: (HARMONY-4196) [classlib][luni] InputStreamReader can't handle UnicodeBig encoding

["Vasily Zakharov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HARMONY-4196?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vasily Zakharov updated HARMONY-4196:
-------------------------------------

    Attachment: Harmony-4196-InputStreamReader_diagnostics.patch

> [classlib][luni] InputStreamReader can't handle UnicodeBig encoding
> -------------------------------------------------------------------
>
>                 Key: HARMONY-4196
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4196
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Vasily Zakharov
>            Priority: Minor
>         Attachments: Harmony-4196-InputStreamReader_diagnostics.patch
>
>
> Consider the following simple test:
> import java.io.*;
> public class Test {
>     public static void main(String[] args) throws Throwable {
> 	new InputStreamReader(new ByteArrayInputStream(new byte[] {(byte) 0xFE, (byte) 0xFF}), "UnicodeBig");
>         System.out.println("SUCCESS");
>     }
> }
> Output on RI:
> SUCCESS
> Output on Harmony/IBM VM:
> <no output>, I assume the exception below is thrown but not printed out due to some problem in IBM VM.
> Output on Harmony/DRLVM:
> Uncaught exception in main:
> java.io.UnsupportedEncodingException
>         at java.io.InputStreamReader.<init>(InputStreamReader.java:104)
>         at Test.main(Test.java:5)
> Additional investigation shows that the cause for this exception is:
> java.nio.charset.UnsupportedCharsetException: The unsupported charset name is "UnicodeBig".
>         at java.nio.charset.Charset.forName(Charset.java:564)
>         at java.io.InputStreamReader.<init>(InputStreamReader.java:99)
>         at Test.main(Test.java:5)
> Interesting point is, the direct call to Charset.forName("UnicodeBig") causes the same exception on RI also.
> So it seems the problem is not in Charset but in InputStreamReader itself.

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