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From "Vladimir Ivanov (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-1001) [classlib][math] unexpected ArrayIndexOutOfBoundsException for new BigInteger(int, int, Random)
Date Fri, 28 Jul 2006 02:40:14 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-1001?page=all ]

Vladimir Ivanov updated HARMONY-1001:
-------------------------------------

    Attachment: BigIntegerConstructorsTest.patch

unit test

> [classlib][math] unexpected ArrayIndexOutOfBoundsException for new BigInteger(int, int,
Random)
> -----------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1001
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1001
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Vladimir Ivanov
>         Attachments: BigIntegerConstructorsTest.patch
>
>
> The Harmony constructor BigInteger(int, int, Random) throws ArrayIndexOutOfBoundsException
while RI construct valid object.
> ==================== test.java ========================
> import java.math.BigInteger;
> import java.util.Random;
> public class test  { 
>     public static void main (String[] args) {
>         System.out.println("res = " + new BigInteger(128, 128, new Random(-32768L)));
>     }     
> }
> ===================================================
> 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))
> res = 261136450212665728928988031242205010957
> 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.
> Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Array index out
of range: 54
>         at java.math.BigInteger.isProbablePrime(BigInteger.java:1739)
>         at java.math.BigInteger.<init>(BigInteger.java:834)
>         at test.main(test.java:7)
> C:\tmp\tmp17>C:\harmony\drlvm\trunk\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 = r425618, (Jul 28 2006), Windows/ia32/msvc 1310, debug build
> http://incubator.apache.org/harmony
> java.lang.ArrayIndexOutOfBoundsException
>         at java.math.BigInteger.isProbablePrime(BigInteger.java:1739)
>         at java.math.BigInteger.<init>(BigInteger.java:834)
>         at test.main(test.java:7)

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