RFR: 8338282: javax/swing/JMenuBar/TestMenuMnemonicLinuxAndMac.java test failed on macOS and Ubuntu [v3]

[Prasanta Sadhukhan]

On Thu, 17 Jul 2025 11:12:56 GMT, Abhishek Kumar <abhiscxk at openjdk.org> wrote:

>> test/jdk/javax/swing/JMenuBar/TestMenuMnemonicLinuxAndMac.java line 120:
>> 
>>> 118:         frame.setVisible(true);
>>> 119:         frame.toFront();
>>> 120:         frame.requestFocus();
>> 
>> If you are particular about focus being gained before the test starts, maybe you can use `CountDownLatch `and have FocusListener for frame and  wait till timeout and  release the latch in `focusGained`
>
> `CountDownlatch` should be used along with` requestFocus` ?
> Otherwise, I think the test may timeout because if we remove these two statements, frame may not have focus.

Yes as the requestFocus spec says "Developers must never assume that this Component is the focus owner until this Component receives a FOCUS_GAINED event"
but I guess the present change is good enough for now since there is robot delay and all..

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PR Review Comment: https://git.openjdk.org/jdk/pull/26307#discussion_r2214794102