RFR: 8026047: [TESTBUG] add regression test for DisableExplicitGC flag

Michail Chernov michail.chernov at oracle.com
Thu Feb 5 18:05:59 UTC 2015


Hi,

Still waiting for reviews!

Thanks,
Michail

On 03.02.2015 20:12, Michail Chernov wrote:
> Hi,
>
> Can someone take a look on these changes, please?
>
> Thanks,
> Michail
>
> On 30.01.2015 18:33, Michail Chernov wrote:
>> Hi Leonid,
>>
>> Issues were fixed:
>> http://cr.openjdk.java.net/~eistepan/~mchernov/8026047/webrev.01/
>>
>> Now all testcases are executed  from the same VM.
>>
>> Thanks,
>> Michail
>>
>> On 28.01.2015 18:28, Leonid Mesnik wrote:
>>> Hi
>>>
>>> Why is it needed to start VM twice for each test. It is very 
>>> expensive especially for low-end devices.
>>>
>>> Is it possible to have driver which starts VM several times with 
>>> different combinations of options and check it output/exit code etc? 
>>> Also it would be much easier to read such test.
>>>
>>>
>>> Leonid
>>>
>>> On 27.01.2015 18:35, Michail Chernov wrote:
>>>> Hi all,
>>>>
>>>> Please review the fix with new test for DisableExplicitGC VM flag.
>>>>
>>>> Webrev: 
>>>> http://cr.openjdk.java.net/~eistepan/~mchernov/8026047/webrev.00/
>>>> Enhancement: https://bugs.openjdk.java.net/browse/JDK-8026047
>>>>
>>>> There is one scenario with 6 parameters combinations.
>>>>
>>>> 1,2,3 scenarios test default value for DisableExplicitGC, 
>>>> DisableExplicitGC=true and DisableExplicitGC=false
>>>> 4,5,6 scenarios check how VM works when VM changes 
>>>> DisableExplicitGC flag using WhiteBox.
>>>>
>>>> Test tries to call System.gc() and check that VM puts message to 
>>>> stdout. After (in case of 4,5,6 scenarios) test tries to change 
>>>> DisableExplicitGC value and calls System.gc() twice.
>>>>
>>>> Test was executed locally on linux-i586 with all available GC and 
>>>> several GC-related flags. Also it was executed using Aurora on 
>>>> other platforms.
>>>>
>>>> Thanks,
>>>> Michail
>>>
>>>
>>>
>>
>>
>>
>
>
>



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