On Sun, 24 Mar 2024 15:11:16 GMT, drmarmac <d...@openjdk.org> wrote:

> This PR should fix the issue and cover all relevant cases with new tests.
> 
> Note: This involves a small behavior change, as can be seen in 
> dblSpinner_testWrapAround_decrement_twoSteps() in SpinnerTest.java:749. With 
> this change the wraparound behavior is similar to that of the IntegerSpinner.

the end result of stepping once by `amountToStepBy` must be equivalent of 
incrementing by one a total of `amountToStepBy` times, wouldn't you agree?

so the formula for positive `amountToStepBy` values should look like

`((val + amountToStepBy) % (max - min)) + min`

or something along these lines.

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PR Comment: https://git.openjdk.org/jfx/pull/1431#issuecomment-2023596265

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