RFR: 8367376: Bad ButtonUI prevents other components from updating when system changes desktop properties [v4]

[Alexey Ivanov]

On Fri, 26 Sep 2025 07:51:20 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

>> I went the opposite direction for now: I removed any reference to the L&F. This test is structured so it emulates what the Windows L&F was doing, but it's platform/L&F-independent (for the sake of full automation).
>> 
>> I tested on Mac and Windows and confirmed the test still fails against master, and it passes in this PR.
>
> If you do not want to tinker with the current test, maybe you can have another test testing the L&F s,  handling exception gracefully in updateUI

Since the changes are in look-and-feels, you should iterate over installed look-and-feels. Otherwise you test Aqua L&F on macOS and Metal on Windows only, which means an exception may still cause problems in other L&Fs.

Creating several tests if needed is fine, yet I don't think it's needed.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27205#discussion_r2382574446