RFR: 8282937: Write a regression test for JDK-4820080

[Manukumar V S]

On Wed, 16 Mar 2022 05:53:50 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

>> Write a regression test for [JDK-4820080](https://bugs.openjdk.java.net/browse/JDK-4820080) : RFE: Cannot Change the JSplitPane Divider Color while dragging
>> 
>> Issue(as per bug description):
>> I want to change the color of the JSplitPane divider. I
>> opened the code and found that, the color is hard coded to
>> darkGray while one is dragging the splitDivider. I have an
>> application where the components on SplitPane have black
>> background, So when i drag I can not see the split getting
>> dragged. Can some one fix this, by externelising the
>> SplitDivider color so that it can be changed at run time.
>> 
>> Testing:
>> Java 1.4.1 -> Test Failed.
>> $ ./j2sdk1.4.1/bin/java JSplitPaneDragColorTest
>> Metal uses correct drag color false
>> CDE/Motif uses correct drag color false
>> Windows uses correct drag color false
>> Test Failed.
>> 
>> Java 1.5.0 -> Test Failed.
>> $ ./jdk1.5.0/bin/java JSplitPaneDragColorTest
>> Metal uses correct drag color true
>> Windows uses correct drag color true
>> Windows Classic uses correct drag color true
>> Test Passed.
>
> test/jdk/javax/swing/JSplitPane/4820080/JSplitPaneDragColorTest.java line 71:
> 
>> 69:         robot.setAutoWaitForIdle(true);
>> 70:         robot.setAutoDelay(200);
>> 71:         // Skipping NimbusLookAndFeel & GTKLookAndFeel as both are not supported for this feature - JDK-8075914
> 
> Please split the long lines using 80 chars per line.
> Note that JDK-8075914 is closed so it is unclear why this is unsupported by Nimbus/GTK l&f.

I think the closed bug is JDK-8075608, but JDK-8075914 is still open. But anyway JDK-8075608 was closed as 'Won't Fix', so I think the problem remains.

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PR: https://git.openjdk.java.net/jdk/pull/7803