RFR: 8282402: Create a regression test for JDK-4666101 [v3]

[Alexey Ivanov]

On Thu, 3 Mar 2022 16:16:50 GMT, Manukumar V S <mvs at openjdk.org> wrote:

>> Create a regression test for [JDK-4666101](https://bugs.openjdk.java.net/browse/JDK-4666101).
>> 
>> DESCRIPTION OF THE ACTUAL PROBLEM :
>> In a JEditorPane, the down arrow has no effect after you add text on a line preceding a blank line.
>> 
>> Testing:
>> As the original issue was reported in JDK 1.4.0 and it was fixed in JDK 1.4.2, I have verified the working of this test in those Java versions and the results are as follows:
>> 
>> Java 1.4.0 -> Test Failed.
>> $ ./j2sdk1.4.0/bin/java JEditorBugWin
>> Caret Updated : 3
>> Test Failed, Down Arrow Key Not Functional, expected caret position is 5, but actual is 4
>> 
>> 
>> Java 1.4.2 -> Test Passed.
>> $ ./j2sdk1.4.2/bin/java JEditorBugWin
>> Caret Updated : 5
>> Test Passed, Down Arrow Key Functional
>
> Manukumar V S has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Removed one extra blank line before import static
>  - Review comments fixed: Formatting changes, removed extra blank lines, removed casting for jEditorLoc.x

Marked as reviewed by aivanov (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/7623