RFR: 8282234: Create a regression test for JDK-4532513

[Manukumar V S]

On Tue, 22 Feb 2022 15:47:20 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

@aivanov-jdk Can you please review this.

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