def test_negative_arguments(self):
self.assertFalse(prob_1.mult(-3))
self.assertFalse(prob_1.mult(-5))
def test_passing_non_multiples_of_three_or_five(self):
self.assertFalse(prob_1.mult(2))
self.assertFalse(prob_1.mult(4))
def test_multiples_of_three(self):
multiples_of_three = [x for x in range(1, 1000) if x % 5 == 0]
for e in multiples_of_three:
self.assertTrue(prob_1.mult(e))
