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From "Mikhail Loenko (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-1114) [classlib][security] compatibility: SecureRandom(new byte[20]).next(-15) throws NegativeArraySizeException on RI and returns 0 on Harmony
Date Mon, 04 Sep 2006 10:44:26 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-1114?page=all ]

Mikhail Loenko updated HARMONY-1114:
------------------------------------

    Component/s: Non-bug differences from RI
                     (was: Classlib)

Changed component as suggested

> [classlib][security] compatibility: SecureRandom(new byte[20]).next(-15) throws NegativeArraySizeException
on RI and returns 0 on Harmony
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1114
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1114
>             Project: Harmony
>          Issue Type: Bug
>          Components: Non-bug differences from RI
>            Reporter: Vladimir Ivanov
>            Priority: Minor
>
> The harmony method java.security.SecureRandom(new byte[20]).next(-15) returns '0' while
RI throws NegativeArraySizeException.
> But for SecureRandom(new byte[20]).next(-14) both implementations returns 0 so it may
be marked as 'non-bug diff'.
> ====================== test.java =======================
> import java.security.*;
> public class test  { 
>     public static void main (String[] args) { 
>         try {                      
>             System.out.println("res[-15]: " + new testSecureRandom(new byte[20]).testnext(-15));
>         } catch (Exception e) {
>             System.out.println("i = -15: " + e);
>         } 
>         try {                      
>             System.out.println("res[-14]: " + new testSecureRandom(new byte[20]).testnext(-14));
>         } catch (Exception e) {
>             System.out.println("i = -14: " + e);
>         }                       
>     }     
> } 
> class testSecureRandom extends SecureRandom{
>    public testSecureRandom(byte[] n)  {
>        super(n);
>    }
>    public int testnext(int n)  {
>        return super.next(n);
>    }
> }
> ====================================================
> Output:
> C:\tmp\tmp17>C:\jdk1.5.0_06\bin\java.exe -cp . -showversion test
> java version "1.5.0_06"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b05)
> Java HotSpot(TM) Client VM (build 1.5.0_06-b05, mixed mode)
> i = -15: java.lang.NegativeArraySizeException
> res[-14]: 0
> 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))
> i = -15: java.lang.NegativeArraySizeException: Negative size-1
> res[-14]: 0
> C:\tmp\tmp17>C:\harmony\classlib1.5\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[-15]: 0
> res[-14]: 0
> C:\tmp\tmp17>C:\harmony\drlvm1.5\build\win_ia32_msvc_debug\deploy\jre\bin\java -Dvm.assert_dialog=false
-cp . -showversion test
> java version "1.5.0"
> pre-alpha : not complete or compatible
> svn = r429948, (Aug  9 2006), Windows/ia32/msvc 1310, debug build
> http://incubator.apache.org/harmony
> res[-15]: 0
> res[-14]: 0

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