Checking accuracy of microswitches

Hi is there an easy way to check the repeatability and accuracy of my microswitches? Hoping there's a program for this.
I have a 1.2m*0.7m bed I would like worst case scenario

The easy way is to setup an indicator so that the axis in question moves onto the indicator as it moves onto the home switch (or off the switch depending on how you have homing configured). Set zero on your indicator after homing is complete then repeat the homing procedure several times and record the variation from the indicator.