public bool test_spin_button_click (SpinButton spinner, uint button, bool upwards)
Warning: test_spin_button_click is deprecated since "3.20".
This function will generate a
button click in the upwards or downwards spin button arrow areas, usually leading to an increase or
decrease of spin button’s value.
This testing infrastructure is phased out in favor of reftests.
valid GtkSpinButton widget.
Number of the pointer button for the event, usually 1, 2 or 3.
true for upwards arrow click, false for downwards arrow click.
whether all actions neccessary for the button click simulation were carried out successfully.