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From "Vladimir Ivanov (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-780) [classlib][util] unexpected ClassCastException for java.util.TreeMap.put(Object, new Object)
Date Thu, 06 Jul 2006 08:48:30 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-780?page=all ]

Vladimir Ivanov updated HARMONY-780:
------------------------------------

    Attachment: TreeMapTest.patch

unit test

> [classlib][util] unexpected ClassCastException for java.util.TreeMap.put(Object, new
Object)
> --------------------------------------------------------------------------------------------
>
>          Key: HARMONY-780
>          URL: http://issues.apache.org/jira/browse/HARMONY-780
>      Project: Harmony
>         Type: Bug

>     Reporter: Vladimir Ivanov
>  Attachments: TreeMapTest.patch
>
> The Harmony method java.util.TreeMap.put(Object, new Object) throws unexpected ClassCastException
while according to spec should return null.
> ====================== test.java ========================
> import java.util.TreeMap;
> public class test { 
>   public static void main (String[] args) { 
>       System.out.println("" + new TreeMap().put(new Object(), new Object()));
>    }   
> }
> =====================================================
> Output:
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -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))
> null
> C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -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.ClassCastException: java.lang.Object incompatible
with java.lang.Comparable
>         at java.util.TreeMap.toComparable(TreeMap.java:79)
>         at java.util.TreeMap.rbInsert(TreeMap.java:1230)
>         at java.util.TreeMap.put(TreeMap.java:1174)
>         at test.main(test.java:6)

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