RFR: 8304831: TextFlow.hitTest.insertionIndex incorrect with surrogate pairs [v6]

[Andy Goryachev]

On Thu, 18 May 2023 17:04:57 GMT, Karthik P K <kpk at openjdk.org> wrote:

> `Toolkit.getToolkit().firePulse();` will not make any difference in system tests.

Once you added children to TextFlow, I think it needs another layout pass to apply CSS and render the text.  We could use delays, but it looks like sometimes even 500 ms delay is not sufficient (possibly due to cold start), making the test unstable.

I think I've also encountered a few other tests where explicit firePulse() was needed to allow for skin, CSS, and layout pass.

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PR Comment: https://git.openjdk.org/jfx/pull/1091#issuecomment-1553365768