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Posted to commits@harmony.apache.org by "Vladimir Ivanov (JIRA)" <ji...@apache.org> on 2006/09/18 08:48:25 UTC

[jira] Commented: (HARMONY-780) [classlib][util] unexpected ClassCastException for java.util.TreeMap.put(Object, new Object)

    [ http://issues.apache.org/jira/browse/HARMONY-780?page=comments#action_12435408 ] 
            
Vladimir Ivanov commented on HARMONY-780:
-----------------------------------------

verified, thanks

> [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
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Vladimir Ivanov
>         Assigned To: Paulex Yang
>         Attachments: 780_new.diff, TreeMap.diff, 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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