RFR(S): 8132711: Add tests which check that Humongous objects behave as expected after Mixed GC

[Dmitry Fazunenko]

Kirill,

the change looks good to me.

Thanks,
Dima

On 11.05.2016 14:22, Kirill Zhaldbybin wrote:
> Dear all,
>
> Could you please review this fix for 8132711?
>
> This fix adds Mixed GC scenario to 
> gc/g1/humongousObjects/objectGraphTest/TestObjectGraphAfterGC.java 
> which creates different types of object graphs with Object arrays as 
> nodes (to make them humongous) and checks that after different types 
> GCs objects' graphs were handled correctly.
>
> During Mixed GC scenario the test expects that all weakly reachable 
> nodes should be collected since non-humongous nodes were previously 
> promoted to old gen and several gc options were specified to guarantee 
> that mixed gc collects all weakly unreachable objects in old gen.
> Softly reachable nodes should not be collected.
>
> WebRev: 
> http://cr.openjdk.java.net/~kzhaldyb/webrevs/JDK-8132711/webrev.00/
> CR: https://bugs.openjdk.java.net/browse/JDK-8132711
>
> Thank you.
>
> Regards, Kirill