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From "Tony Wu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-2404) [classlib][luni] java.io.PipedWriter.write(buf,off,len) throws exeptions in different order than RI
Date Fri, 22 Dec 2006 13:36:23 GMT
    [ http://issues.apache.org/jira/browse/HARMONY-2404?page=comments#action_12460468 ] 
            
Tony Wu commented on HARMONY-2404:
----------------------------------

I think we got higher performance in multi-thread accessing than RI here.

> [classlib][luni] java.io.PipedWriter.write(buf,off,len) throws exeptions in different
order than RI
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2404
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2404
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Artem Aliev
>            Priority: Minor
>
> java.io.PipedWriter.write(buf,off,len) throws exeptions in different order than
> RI. 
> Harmony at first checks boundary condition while RI checks pipe connection.
> Compatibility issue.
> Test for reproducing:
> import junit.framework.TestCase;
> import java.io.*;
> public class test extends TestCase {      
>     public void test1 () { 
>         try {            
>            PipedWriter obj=new PipedWriter();
>            obj.write(new char[]{1,1},10,1);
>            fail("IOException should be thrown");  
>         } catch (IOException e) {
>             //expected
>         }
>     } 
> }
> Output on Sun 1.5:
> ==================
> .
> Time: 0
> OK (1 test)
> Output on Harmony:
> ==================
> .E
> Time: 0.015
> There was 1 error:
> 1) test1(test)java.lang.IndexOutOfBoundsException
>         at java.io.PipedWriter.write(PipedWriter.java:166)
>         at test.test1(test.java:8)
>         at java.lang.reflect.VMReflection.invokeMethod(Native Method)
> FAILURES!!!
> Tests run: 1,  Failures: 0,  Errors: 1
> The same issue if first parameter buffer==null.
> Harmony throws NullPointerException while RI at first checks pipe connection
> and throws java.io.IOException: Pipe Not Connected.
> import junit.framework.TestCase;
> import java.io.*;
> public class test extends TestCase {      
>     public void test2 () { 
>         try {            
>            PipedWriter obj=new PipedWriter();
>            obj.write((char[])null,10,1);
>            fail("IOException should be thrown");  
>         } catch (IOException e) {
>             //expected
>         }
>     }     
> }

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