RFR: 8255072: [TESTBUG] com/sun/jdi/EATests.java should not fail if expected VMOutOfMemoryException is not thrown [v5]

[Vladimir Kozlov]

On Thu, 29 Oct 2020 14:53:54 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

>> The following test cases try to provoke VMOutOfMemoryException during object reallocation because of JVMTI PopFrame / ForceEarlyReturn:
>> 
>> EAPopFrameNotInlinedReallocFailure
>> EAPopInlinedMethodWithScalarReplacedObjectsReallocFailure
>> EAForceEarlyReturnOfInlinedMethodWithScalarReplacedObjectsReallocFailure
>> 
>> For ZGC (so far) this is not 100% reliable.
>> 
>> Just ignoring the runs where the expected OOME was not raised was not accepted.
>> 
>> Summary of the now accepted solution:
>> 
>> - The 3 problematic test cases are skipped if ZGC is selected.
>> 
>> - They are also skipped if no OOME during object reallocation can be expected because allocations are not eliminated.
>> 
>> - In consumeAllMemory, as a last step, empty LinkedList nodes are created without long array to fill up small blocks of free memory.
>> 
>> - EATests.java is removed from the problem list for ZGC.
>
> Richard Reingruber has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Replaced vm.jvmci with vm.graal.enabled in @requires clause.

Good

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Marked as reviewed by kvn (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/775