RFR: 8282234: Create a regression test for JDK-4532513 [v2]

[Manukumar V S]

On Wed, 23 Feb 2022 07:13:25 GMT, Manukumar V S <mvs at openjdk.org> wrote:

>> Create a regression test for [JDK-4532513](https://bugs.openjdk.java.net/browse/JDK-4532513).
>> This test verifies that the DefaultCaret doesn't requests focus in mouseClick and mousePressed causing the associated input verifier to fire twice.
>> As per [JDK-4532513](https://bugs.openjdk.java.net/browse/JDK-4532513), the DefaultCaret requests focus in mouseClick and mousePressed causing the associated input verifier to fire twice.
>> This issue was raised in JDK 1.4.0 and fixed in 1.4.1, so the test need to be failed in 1.4.0 and must pass in 1.4.1.
>> 
>> Testing:
>> 
>> In JDK 1.4.0:
>> $ ./j2sdk1.4.0/bin/java DefaultCaretWin
>> Testing L&F: javax.swing.plaf.metal.MetalLookAndFeel
>> shouldYieldFocus called 1
>> shouldYieldFocus called 2
>> shouldYieldFocus called 3
>> java.lang.RuntimeException: Test failed for javax.swing.plaf.metal.MetalLookAndFeel as InputVerifier.shouldYieldFocus() getting called 3 times on jTextField2, but it is expected to call only once.
>>         at DefaultCaretWin.runTest(DefaultCaretWin.java:114)
>>         at DefaultCaretWin.main(DefaultCaretWin.java:58)
>> 
>> In JDK 1.4.1:
>> $ ./j2sdk1.4.1/bin/java DefaultCaretWin
>> Testing L&F: javax.swing.plaf.metal.MetalLookAndFeel
>> shouldYieldFocus called 1
>> Test passed for laf: javax.swing.plaf.metal.MetalLookAndFeel
>> Testing L&F: com.sun.java.swing.plaf.motif.MotifLookAndFeel
>> shouldYieldFocus called 1
>> Test passed for laf: com.sun.java.swing.plaf.motif.MotifLookAndFeel
>> Testing L&F: com.sun.java.swing.plaf.windows.WindowsLookAndFeel
>> shouldYieldFocus called 1
>> Test passed for laf: com.sun.java.swing.plaf.windows.WindowsLookAndFeel
>
> Manukumar V S has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Set the default number of columns in JTextField constructor, otherwise in linux platforms the column width is coming default as 0 and in turns fails the test

@aivanov-jdk Can you please review this.

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PR: https://git.openjdk.java.net/jdk/pull/7577