[lworld] RFR: 8372261: [lworld] Augment vmTestbase array tests with large flat arrays [v2]

[Leonid Mesnik]

On Fri, 13 Feb 2026 15:52:49 GMT, Paul Hübner <phubner at openjdk.org> wrote:

>> That's an actual problem with these vmTestbase jtreg tests.
>> To use jdk.internal.misc.PreviewFeatures.isEnabled it is needed to add `@modules java.base/jdk.internal.misc`to every test. The same for `jdk.test.lib.Utils.getTestJavaOpts`. It is needed to ensure that `/test/lib` is used by every test. 
>> 
>> This file has `TODO: somehow determine the real value`.
>> It would be really great  to find single solution. I wonder if run something like VMProps in external process to obtain data would be better solution. So we don't need to change every single test.
>
> I understand. Maybe we can check both `test.java.opts` and `test.vm.opts` for `--enable-preview` then? I'm not sure we check for `--preview` anywhere else.

But I think, think we are doing these already? Not sure I following the question.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/2099#discussion_r2804951617