RFR: 8346581: JRadioButton/ButtonGroupFocusTest.java fails in CI on Linux [v2]

[Harshitha Onkar]

On Thu, 9 Jan 2025 20:17:06 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

>> I understand that you need 2 separate CountDownLatches for Button 2, but my question was about the count of  `button2FocusLatch2` . Shouldn't this be 1 instead of 2 counts or do you mean we require 2 counts of `button2FocusLatch2` to track focus twice after the initial one?
>
> No, it has to be 2. Focus listeners are added before the frame is displayed.
> 
> https://github.com/openjdk/jdk/blob/e7991216fb25a0eeb094cbeef74128c6770c051a/test/jdk/javax/swing/JRadioButton/ButtonGroupFocus/ButtonGroupFocusTest.java#L100-L104
> 
> If Button 2 receives focus **twice**, `button2FocusLatch2` will be released. If it had 1, then the latch would be released when Button 2 gets focus at the test start.

Makes sense. Thanks for clarifying.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22977#discussion_r1909396861