RFR: 8161604: TestNewSizeFlags fails with RuntimeException: max new size != MaxNewSize value

sangheon sangheon.kim at oracle.com
Thu Jul 28 15:48:05 UTC 2016

Hi Michail,

On 07/28/2016 06:24 AM, Michail Chernov wrote:
> Hi Sangheon,
>>> Thanks you for reviewing this. I'm no sure that explanations are 
>>> needed in whitebox.cpp. I added the throwing of RuntimeException if 
>>> we try to invoke Parallel GC specific methods when use not Parallel 
>>> GC. Exception is more clear than 0 that was returned from methods. 
>> I meant adding the explanation near "private static final long 
>> PS_VIRTUAL_SPACE_ALIGNMENT = WB.psVirtualSpaceAlignment();" in 
>> TestNewSizeFlags.java. Because someone would be strange as we are 
>> calling it without checking GC type. But you explained that there's 
>> no harm with that code.
>> And I agree that adding something in whitebox.cpp is not necessary. 
>> Even the new exception. :)
> I'd like to keep the new exceptions in code. We have several White Box 
> methods which can throw exceptions in similar cases (e.g. 
> WB_G1GetMixedGCInfo). It looks more clear than meaningless 0.
Looks better as is.


> Thanks
> Michail

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