def test_factorial(self):
self.assertEqual(math_lib.fact(0), 1)
self.assertEqual(math_lib.fact(1), 1)
self.assertEqual(math_lib.fact(5), 120)
#only defined for positive integers
self.assertRaises(ValueError, math_lib.fact, 10.5)
self.assertRaises(ValueError, math_lib.fact, -10)
self.assertRaises(ValueError, math_lib.fact, -10.5)
def test_fact(self):
numbers_fact = [
1, 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 39916800
]
for i in range(12):
self.assertEqual(math_lib.fact(i), numbers_fact[i])
# TESTING ERRORS
self.assertEqual(math_lib.fact(-1), ValueError)
self.assertEqual(math_lib.fact(0.1), ValueError)
self.assertEqual(math_lib.fact(1.5), ValueError)
def test_func_cotan(self):
self.assertEqual(math_lib.func_cotan(0), ValueError)
self.assertEqual(math_lib.func_cotan(30), 1.732051)
self.assertEqual(math_lib.func_cotan(45), 1)
self.assertEqual(math_lib.func_cotan(90), 0)
self.assertEqual(math_lib.func_cotan(180), ValueError)
# TESTING NUMBER
self.assertEqual(math_lib.func_cotan('a'), ValueError)
self.assertEqual(math_lib.fact("test"), ValueError)
self.assertEqual(math_lib.sub("test", "test"), ValueError)
def highest_priority_op(result, temp, i):
if result[i] == '-':
if ((i - 1) < 0 or not is_float(result[i - 1])) and is_float(
result[i + 1]):
temp = -float(result[i + 1])
replace_binary(result, temp, i)
if result[i] == '!':
if is_integer(result[i + 1]) and int(result[i + 1]) >= 0:
temp = math.fact(int(result[i + 1]))
replace_binary(result, temp, i)
i -= 1
elif not is_integer(result[i + 1]) or int(result[i + 1]) < 0:
set_err_msg(result, err_msg)
return 0
return (i + 1)
def calcUnary(a, operator):
if operator == "!":
try:
return math.fact(a)
except Exception as e:
return e