On Thu, 18 Nov 2021 08:53:07 GMT, Marius Hanl <mh...@openjdk.org> wrote:

>> This work improves the performance of `MultipleSelectionModel`  over large 
>> data sets by caching some values and avoiding unnecessary calls to 
>> `SelectedIndicesList#size`. It further improves the performance by reducing 
>> the number of iterations required to find the index of an element in the 
>> BitSet.
>> 
>> The work is based on [an abandoned 
>> patch](https://github.com/openjdk/jfx/pull/127) submitted by @yososs
>> 
>> There are currently 2 manual tests for this fix.
>
> Just wondering, isn't it also possible to write some unit tests for the 
> MultipleSelectionModel(Base) ?

@Maran23 I don't know what would be an apt unit test as the PR changes 
implementation detail. If you have suggestions, please let me know.

There are 276 unit tests in 
`test.javafx.scene.control.MultipleSelectionModelImplTest` and all of them 
still pass with the changes made to this PR.

-------------

PR: https://git.openjdk.java.net/jfx/pull/673

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