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From "Vladimir Ivanov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-844) [classlib][io] compatibility: java.io.ObjectInputStream.skipBytes(len<=0) returns len while RI throws NPE
Date Wed, 12 Jul 2006 03:59:29 GMT
[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


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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