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From "Vladimir Ivanov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-844) [classlib][io] compatibility: java.io.ObjectInputStream.skipBytes(len<=0) returns len while RI throws NPE
Date Fri, 14 Jul 2006 05:05:30 GMT
    [ http://issues.apache.org/jira/browse/HARMONY-844?page=comments#action_12421002 ] 

Vladimir Ivanov commented on HARMONY-844:
-----------------------------------------

verified, thanks

> [classlib][io] compatibility: java.io.ObjectInputStream.skipBytes(len<=0)  returns
len while RI throws NPE
> ----------------------------------------------------------------------------------------------------------
>
>          Key: HARMONY-844
>          URL: http://issues.apache.org/jira/browse/HARMONY-844
>      Project: Harmony
>         Type: Bug

>   Components: Classlib
>     Reporter: Vladimir Ivanov
>     Assignee: Mikhail Loenko
>  Attachments: ObjectInputStream.patch, ObjectInputStreamTest.patch
>
> The harmony method new testObjectInputStream().skipBytes(0) returns 0 while RI throws
NPE.
> ==================== test.java =======================
> import java.io.*;
> public class test  { 
>     public static void main (String[] args) {   
>        try {
>            System.out.println("res = " + new testObjectInputStream().skipBytes(0));
>        } catch (Exception e) {
>            e.printStackTrace();
>        }        
>     }
> }
> class testObjectInputStream extends ObjectInputStream {
>    public testObjectInputStream() throws IOException{
>       super();
>    }
> } 
> ==================================================
> Output:
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -cp . -showversion test
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System
optimized over throughput (initial strategy singleparpar))
> java.lang.NullPointerException
>         at java.io.ObjectInputStream.skipBytes(I)I(Unknown Source)
>         at test.main(test.java:6)
> C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -cp . -showversion
test
> java version 1.5 (subset)
> (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> res = 0

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