RFR: 8158801: [TEST_BUG] Mixing tests fail because of focus workaround trick [v4]

[Khalid Boulanouare]

On Wed, 6 Aug 2025 07:04:52 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

>>> In Windows machines, the click lands on the reduce control of the window, and this causes the windows to be iconified and the test fails.
>> 
>> WHich test in particular? or is it all tests have this behavior?
>> 
>>> The test needs to click on the middle of the Windows title bar (Outside of the controls) to pass.
>> 
>> I tried JMenuBarOverlapping.java but I dont see any click on title bar..The cursor in on top-left of "Test Menu" menu..
>> If clicking on the title bar is needed to make it gain focus, probably you can try with calling `frame.requestFocus` and use `CountDownLatch `with timeout to wait till FOCUS_GAINED event is received and release the latch in `focusGained()` and then start the test
>
>> @prsadhuk after applying your suggested change, I can see that it has fixed the issue for most of the tests but still the following tests didn't pass on Windows compared with the original fix of changing frame width :
>> 
>> java/awt/Mixing/AWT_Mixing/JProgressBarInGlassPaneOverlapping.java java/awt/Mixing/AWT_Mixing/JScrollBarInGlassPaneOverlapping.java java/awt/Mixing/AWT_Mixing/JSliderInGlassPaneOverlapping.java java/awt/Mixing/AWT_Mixing/JTextAreaInGlassPaneOverlapping.java java/awt/Mixing/AWT_Mixing/JTextFieldInGlassPaneOverlapping.java java/awt/Mixing/AWT_Mixing/JToggleButtonInGlassPaneOverlapping.java java/awt/Mixing/AWT_Mixing/OpaqueOverlapping.java
>> 
>> I will check why these tests had failed.
> 
> I see this tests are also deproblemlisted despite mentioning they fail, so my idea of CountDownLatch for focus gain event solved these too?

@prsadhuk All tests passed after the applying both changes: Awaiting time set to one second and checking if component has focus first before requesting focus.

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PR Comment: https://git.openjdk.org/jdk/pull/25971#issuecomment-3160091352