RFR: 8196018: java/awt/Scrollbar/ScrollbarMouseWheelTest/ScrollbarMouseWheelTest.java fails

[Sergey Bylokhov]

On Thu, 17 Nov 2022 14:38:41 GMT, Alexander Zvegintsev <azvegint at openjdk.org> wrote:

> The issue contains evaluation:
> * the test is not failing on Windows
> * it also fails on Linux(but provided stack trace with failure is from different test)
> 
> I rechecked the test and it does not fail on all platforms.
> 
> Test is stabilized:
> * replaced synchronization on windowActivated event with standard `robot.waitForIdle(); robot.delay(1000);`
> * Robot autoDelay decreased to 250 to make the test go faster. It it still a reasonable value.
> 
> CI testing looks good also.

test/jdk/java/awt/Scrollbar/ScrollbarMouseWheelTest/ScrollbarMouseWheelTest.java line 114:

> 112: 
> 113:         System.out.println("Test done.");
> 114:         if (sb1upevents == REPS &&

Note that all these flags are updated on one thread and used on another.

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PR: https://git.openjdk.org/jdk/pull/11213