[ http://issues.apache.org/jira/browse/HARMONY-19?page=all ]

George Harley updated HARMONY-19:
---------------------------------

    Priority: Minor  (was: Major)

Just noticed I accepted the default "Major" priority when creating this. 
Changing to the more appropriate "Minor".

Thanks,
George 

> Divide by zero exception when rotating an empty List
> ----------------------------------------------------
>
>          Key: HARMONY-19
>          URL: http://issues.apache.org/jira/browse/HARMONY-19
>      Project: Harmony
>         Type: Bug
>   Components: Contributions
>  Environment: All
>     Reporter: George Harley
>     Assignee: Geir Magnusson Jr
>     Priority: Minor
>  Attachments: HARMONY-19-patch-20051202.txt
>
> The implementation of method rotate(List, int) in java.util.Collections is not
> checking the size of the input list prior to attempting the rotation. As a 
> result, when called with an empty List argument a 
> java.lang.ArithmeticException
> will occur because of the the subsequent divide by zero operation. 
> The problem can be demonstrated in the below unit test case ...
>       public void testRotateEmptyList() {
>               // Create an *empty* list
>               List list = new ArrayList();
>               try {
>                       Collections.rotate(list, 25);
>               } catch (Exception e) {
>                       fail("Unexpected exception rotating empty List : " + e);
>               }
>       }

-- 
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators:
   http://issues.apache.org/jira/secure/Administrators.jspa
-
For more information on JIRA, see:
   http://www.atlassian.com/software/jira

Reply via email to