To manually test, press and hold down 'a' and select one of the accented characters."

You should observe a pair of beforeinput/input events for both 'a' and the replacement accented character."

Importantly, the inputType of these four events should be 'insertReplacementText'."

Then insert a single emoji character. You should observe beforeinput/input events for the inserted emoji."

Importantly, the inputType of these two events should be 'insertText'."