RFR: 8346753: Test javax/swing/JMenuItem/RightLeftOrientation/RightLeftOrientation.java fails on Windows Server 2025 x64 because the icons of RBMenuItem and CBMenuItem are not visible in Nimbus LookAndFeel [v6]

[Abhishek Kumar]

On Mon, 7 Jul 2025 15:05:06 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

>> Issue is RadioButtonMenuItem and CheckBoxMenuItem bullet/checkmark icon is not displayed in WindowsL&F when the test is run with NimbusL&F.
>> This is because `WindowsIconFactory#VistaMenuItemCheckIcon.paintIcon` called `getLaFIcon()` which returns a empty NimbusIcon which causes no icons to be drawn. This is because the test after setting WIndows L&F of the menuitem reverts back the Windows L&F to Nimbus L&F via `UIManager.setLookAndFeel(save);` call in the test so when frame is made visible, the L&F resets back to Nimbus L&F resulting in null NimbusIcon.
>> 
>> Fix is made to make sure the whole frame is updated to cater to L&F change via `SwingUtilities.updateComponentTreeUI(frame);` call and keep the L&F without reverting back to original L&F..
>
> Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:
> 
>   unused import

Ran the test on Windows platform and it works as expected.

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Marked as reviewed by abhiscxk (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25907#pullrequestreview-2994354175