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From "Vladimir Ivanov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-1080) [classlib][crypto] compatibility: Harmony CipherInputStream().read(..) returns 0 while RI throws NPE
Date Mon, 07 Aug 2006 13:04:15 GMT
[classlib][crypto] compatibility: Harmony CipherInputStream().read(..) returns 0 while RI throws
NPE
----------------------------------------------------------------------------------------------------

                 Key: HARMONY-1080
                 URL: http://issues.apache.org/jira/browse/HARMONY-1080
             Project: Harmony
          Issue Type: Bug
          Components: Classlib
            Reporter: Vladimir Ivanov
            Priority: Minor


RI throws NPE for  CipherInputStream .read(byte[], int offset, int len) method if len ==0
and object was created with null arguments while
Harmony at first checks len  and returns 0 if len =0.

=============== test.java ==================
import javax.crypto.*;

public class test  {

    public static void main (String[] args) throws Exception {
        System.out.println("res = " + new CipherInputStream(null, new NullCipher()).read(new
byte[] {}, 1, 0));
    }
}
========================================

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 javax.crypto.CipherInputStream.a()I(DashoA12275:???)
        at javax.crypto.CipherInputStream.read([BII)I(DashoA12275:???)
        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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