RFR: 8281745: Create a regression test for JDK-4514331 [v4]

[Sergey Bylokhov]

On Sat, 19 Feb 2022 07:55:26 GMT, Manukumar V S <mvs at openjdk.org> wrote:

>> Create a regression test for JDK-4514331.
>> It checks whether pressing 'Tab' key always shift focus to next component, even though the current focus is in JTextArea and some text is already selected.
>> 
>> Testing:
>> I have verified this test with JDK 1.3.1 and JDK 1.4.1 .
>> The issue is reproducible with JDK 1.3.1 and the test failed there, where the bug was originally reported and the test passed in JDK 1.4.1 where the issue was fixed.
>> I have tested it in Linux, Mac and Windows platforms and it passed everywhere.
>
> Manukumar V S has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review comments fixed: A CountDownLatch used instead of polling loop, frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE)

Marked as reviewed by serb (Reviewer).

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