def test_arguments_less_zero(self):
num1 = -1
num2 = -6
result = subtract(num1, num2)
# if the first argument is less then 0, the result is greater then it
self.assertGreater(result, num1)
# if the second argument is less then 0, the result is greater then it
self.assertGreater(result, num2)
def test_arguments_greater_zero(self):
num1 = 1
num2 = 6
result = subtract(num1, num2)
# if the first argument is not 0, the result is not the second argument
self.assertNotEqual(result, num2)
# if the second argument is not 0, the result is not the first argument
self.assertNotEqual(result, num1)
def test_second_zero_argument(self):
num1 = 6
num2 = 0
result = subtract(num1, num2)
self.assertTrue(result == num1)
def test_first_zero_argument(self):
num1 = 0
num2 = 6
result = subtract(num1, num2)
self.assertTrue(result == -num2)
def main():
print(add('2', 5))
print(subtract(7, 3))
def test_subtract_negative_numbers(self):
result = calculation.subtract(-10, -2)
self.assertEqual(result, -8)
def test_subtract(self):
result = calculation.subtract(5, 3)
self.assertEqual(result, 2)