RFR: JDK-8328190 : Convert AWTPanelSmoothWheel.html applet test to main [v4]

[Harshitha Onkar]

On Tue, 19 Mar 2024 17:56:25 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

>> Harshitha Onkar has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   minor changes
>
> test/jdk/java/awt/event/MouseEvent/AWTPanelSmoothWheel.java line 49:
> 
>> 47:             below the instruction window.
>> 48:             Please make sure that some of the messages have non-zero 'wheelRotation' value,
>> 49:             and also check if the test works OK if the mouse wheel is rotated very slow.
> 
> Shall we increase the width of the instruction window so that less horizontal scrolling is needed?
> 
> The test can actually verify the condition without help from the user. The handler for `MouseWheelListener` could well look into the `MouseWheelEvent` and verify _automatically_ if `scrollType=WHEEL_UNIT_SCROLL` and there are any events with `wheelRotation=1` (or rather `wheelRotation!=0`).
> 
> You can even `forcePass` the test as soon as you detected few events which satisfy the condition.
> 
> If you don't see events with `scrollType=WHEEL_UNIT_SCROLL`, then the mouse doesn't support high-resolution scrolling.

Sounds good, test can be made semi-automatic.
How long or many MouseWheelEvents do we check ? Probably 10-15 would be a good number?

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PR Review Comment: https://git.openjdk.org/jdk/pull/18312#discussion_r1530874171