How to simulate touchscreen events?

[Michele <micxgx gmail com>]

Hi,

GNOME has become more and more touchscreen friendly over time, however 
not everybody has a touchscreen enabled device to develop on. I have 
some problem debugging touch-related issue in a GNOME Shell extension 
(duplicated and missing simple events, support for gestures).

Is there e a way to simulate touch events for testing purpose? I'm 
aware of the "simulate touchscreen" setting in the GTK inspector, 
although I'm not sure what it does. Is there something similar in GNOME 
Shell or at the system level?

Michele