TEST_BUG: com/sun/jdi/BreakpointWithFullGC.sh fails to cleanup in Cygwin

[Jim Holmlund]

Will this work on older versions of cygwin?  Or do we have a spec someplace that says cygwin 
versions older than xxxx aren't supported?
- jjh


On 8/9/2011 8:56 AM, Chris Hegarty wrote:
> Sorry Dan, I'll put a more complete description in the bug report.
>
> This issue, from what I can tell only happens with very recent Cygwin versions. I'm running 1.7.9. 
> When running the com/sun/jdi tests in a batch, in samevm mode, this test leave behind a file, NUL, 
> in the scratch directory that cannot be deleted. This causes the remaining tests to also fail.
>
> Thanks for the review,
> -Chris.
>
> On 08/ 9/11 04:52 PM, Daniel D. Daugherty wrote:
>> On 8/9/11 8:52 AM, Chris Hegarty wrote:
>>> Hi Dan, Alan,
>>>
>>> This is a trivial change to use /dev/null instead of NUL for Windows
>>> test with Cygwin.
>>>
>>> http://cr.openjdk.java.net/~chegar/7076756/webrev.00/webrev/
>>>
>>> Thanks,
>>> -Chris.
>>
>> I'm good with the change, but the bug report itself is less than clear.
>>
>> I run these tests all the time on WinXP/Cygwin so I'm guessing
>> that there is more going on here than meets the eye. I'm going to
>> guess that the '-samevm' option is the enabler for this failure
>> mode. The failure mode that you fixed should also affect tests
>> other than BreakpointWithFullGC.sh so I'm not quite sure why
>> this issue appears with just that test. Or maybe it does appear
>> with other tests, but again the bug report isn't clear.
>>
>> In any case, thumbs up on the change.
>>
>> Dan
>>