RFR: 8208088: Memory Leak in ControlAcceleratorSupport [v3]

[Ambarish Rapte]

On Wed, 24 Mar 2021 15:03:36 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> Is there a way to test it more directly?

`ControlTestUtils` provides a way to get the number of listeners added to a property. Please check the updated test. With this direct way, should we keep the indirect way of testing which uses `changeListenerMap` ?

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PR: https://git.openjdk.java.net/jfx/pull/429