requires filtering for jvm features?

[Thomas Stüfe]

Thank you Igor!

On Wed, May 12, 2021 at 6:59 PM Igor Ignatev <igor.ignatyev at oracle.com>
wrote:

> Hi Thomas,
>
> that's b/c https://openjdk.java.net/jtreg/tag-spec.html#requires_names lists
> only "standard supported names". for JVM features, like CDS and NMT, we use
> test-suite specific properties, which are registered in
> `requires.properties` property in the corresponding TEST.ROOT, the value of
> these "@requires properties" are to be defined by the classes listed in
> `requires.extraPropDefns` (in the same TEST.ROOT).
>
> for all jdk/jdk test suites, we use the same "extraPropDefns" class --
> test/jtreg-ext/requires/VMProps.java, but we tend to register only the
> properties we use in a test suite. VMProps defines the following properties
> for CDS-supported "vm.cds", "vm.cds.custom.loaders",
> "vm.cds.archived.java.heap" and I don't think we have anything for NMT, but
> it should be quite easy to add.
>
> HTH,
> -- Igor
>
> On May 12, 2021, at 12:23 AM, Thomas Stüfe <thomas.stuefe at gmail.com>
> wrote:
>
> Hi,
>
> I looked at https://openjdk.java.net/jtreg/tag-spec.html#requires_names
> but
> could not find an answer to this:
>
> Is there a way to use @requires to filter tests for JVM features? E.g. if I
> build without NMT or CDS, a way to skip tests testing these specific
> components?
>
> Thanks!
>
> Thomas
>
>
>