def test_elapsed_end_set(self):
# set(str(float(timer.elapsed)) is required to be compatible with Ubuntu.
# On windows set(timer.elapsed) is sufficient.
timer = Timer()
allowed = set(digits + '.eE-+')
timer.end = time()
self.assertTrue(set(timer.elapsed) <= allowed, msg=str(timer.elapsed) + '\nAllowed: ' + str(allowed))
