def testCheckGe(self):
check.Ge(2, 1, 'foo')
check.Ge(1, 1, 'foo')
with self.assertRaisesRegexp(ValueError, 'bar'):
check.Ge(0, 1, 'bar')
with self.assertRaisesRegexp(RuntimeError, 'baz'):
check.Ge(-1, 1, 'baz', RuntimeError)
def ratio(numerator, denominator):
check.Ge(numerator, 0)
check.Ge(denominator, 0)
if denominator > 0:
return numerator / denominator
elif numerator == 0:
return 0.0 # map 0/0 to 0
else:
return float('inf') # map x/0 to inf
def token_span(token): check.Ge(token.end, token.start) return (token.start, token.end)