RFR: 8281745: Create a regression test for JDK-4514331 [v2]

[Manukumar V S]

On Thu, 17 Feb 2022 05:06:55 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

>> Manukumar V S has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fixed review comments: frame created in EDT, waitForIdle() added after frame creation, editor access in EDT
>
> test/jdk/javax/swing/JTextArea/4514331/TabShiftsFocusToNextComponent.java line 72:
> 
>> 70:             try {
>> 71:                 SwingUtilities.invokeAndWait(() -> frame = new JFrame());
>> 72:                 robot.waitForIdle();
> 
> This robot.waitForIdle(); is not needed, the frame is not visible, so no native peers are created->there are no events to flush. Call it after the invokeAndWait below where the actual window will be created on the screen.

Done

> test/jdk/javax/swing/JTextArea/4514331/TabShiftsFocusToNextComponent.java line 128:
> 
>> 126:         try {
>> 127:             UIManager.setLookAndFeel(laf);
>> 128:             System.out.println("LookAndFeel: " + laf);
> 
> you should catch the UnsupportedLookAndFeelException, the gtk L&F might not be supported even on the headful system.

Done

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PR: https://git.openjdk.java.net/jdk/pull/7469