RFR(s): 8151283: Implement setting jtreg @requires property vm.isG1Supported.

[Michail Chernov]

Dima,

Thank you for clarification, looks good to me.

Misha

On 06/16/2016 04:34 PM, Dmitry Fazunenko wrote:
> Hi Michail,
>
> This is TEST.ROOT file, which defines itself what is the root for 
> libraries:
>    48 # Path to libraries in the topmost test directory. This is needed so @library
>    49 # does not need ../../ notation to reach them
>    50 external.lib.roots = ../../
> So, for the stuff like VMProps we need to use "../.." in paths
>
> Thanks,
> Dima
>
> On 16.06.2016 16:20, Michail Chernov wrote:
>> Hi Dima,
>>
>> I have a question about paths:
>>
>>   requires.extraPropDefns = ../../test/jtreg-ext/requires/VMProps.java
>> -requires.properties=sun.arch.data.model
>> +requires.extraPropDefns.bootlibs = ../../test/lib/sun
>>
>> Do we need to use relative paths instead of full? We use full path in 
>> tests:
>>
>> TestSmallHeap.java: * @library /testlibrary /test/lib 
>> /test/lib/share/classes
>>
>> Thanks,
>> Michail
>>
>> On 06/14/2016 07:14 PM, Dmitry Fazunenko wrote:
>>> Hi Stefan,
>>>
>>> The idea of 'vm.gc.X.acceptable' was an ability to introduce other 
>>> GC related properties like 'supported', 'default', 
>>> 'setByErgonomics', 'deprecated', etc.
>>> But setting 'vm.gc.X' won't prevent us from adding 'vm.gc.X.Y' later 
>>> when needed.
>>>
>>> I fully agree:   @requires vm.gc.G1 looks much nicer and causes less 
>>> questions.
>>>
>>> New edition:
>>> http://cr.openjdk.java.net/~dfazunen/8151283/webrev.01/
>>>
>>> Thanks for suggestion that,
>>> Dima
>>>
>>>
>>> On 13.06.2016 10:46, Stefan Johansson wrote:
>>>> Hi Dima,
>>>>
>>>> I don't know the code and the way this is invoked good enough to do 
>>>> a proper review, but I have a style comment. Wouldn't it be nice to 
>>>> only call the value "vm.gc.G1", and have:
>>>> @requires vm.gc.G1
>>>>
>>>> I feel that "acceptable" provide very little information and what 
>>>> we want to @require is that the test is only run with G1 (when 
>>>> supported) and I think that is clear from such syntax. Comments?
>>>>
>>>> Thanks,
>>>> Stefan
>>>>
>>>> On 2016-06-10 18:04, Dmitry Fazunenko wrote:
>>>>> Hello,
>>>>>
>>>>> I'm looking for a couple of Reviewers for a simple change, which 
>>>>> allows to skip tests depending on non supported garbage collectors.
>>>>>
>>>>> http://cr.openjdk.java.net/~dfazunen/8151283/webrev.00/
>>>>> https://bugs.openjdk.java.net/browse/JDK-8151283
>>>>>
>>>>> The fix introduces four new requires boolean properties:
>>>>>      vm.gc.G1.acceptable
>>>>>      vm.gc.Serial.acceptable
>>>>>      vm.gc.Parallel.acceptable
>>>>>      vm.gc.ConcMarkSweep.acceptable
>>>>> Which are set by the jtreg plugin prior the test execution starts.
>>>>> After that fix we will be able to replace in tests:
>>>>>    @requires vm.gc == null | vm.gc == "G1"
>>>>> with
>>>>>    @requires vm.gc.G1.acceptable
>>>>>
>>>>> 'vm.gc.G1.acceptable' will be evaluated to 'false' not only if 
>>>>> other GC is set externally, but also if G1 is not supported.
>>>>> In other words the fix allows not to run GC specific tests in not 
>>>>> applicable configurations.
>>>>>
>>>>> Thanks,
>>>>> Dima
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>
>

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