RFR: 8282548: Create a regression test for JDK-4330998 [v4]

[Alexey Ivanov]

On Wed, 16 Mar 2022 17:03:33 GMT, Manukumar V S <mvs at openjdk.org> wrote:

>> Create a regression test for [JDK-4330998](https://bugs.openjdk.java.net/browse/JDK-4330998)
>> Context: Migrating tests from a closed tonga based test suite to open regression based one.
>> 
>> Issue tested:
>> When calling JEditorPane.setText(null), the following exception is thrown:
>> 
>> java.lang.NullPointerException:
>>         at java.io.StringReader.<init>(StringReader.java:38)
>> 
>> Testing:
>> Java 1.4.0 -> Test Failed.
>> $ ./j2sdk1.4.0/bin/java bug4330998Win
>> java.lang.RuntimeException: Test failed, caught Exception java.lang.NullPointerException when calling text.setText(null)
>>         at bug4330998Win.runTest(bug4330998Win.java:45)
>>         at bug4330998Win.main(bug4330998Win.java:51)
>> Exception in thread "main"
>> 
>> Java 1.4.1 -> Test Passed.
>> $ ./j2sdk1.4.1/bin/java bug4330998Win
>> Test passed
>
> Manukumar V S has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Renamed mains() parameter to args

Marked as reviewed by aivanov (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/7740