def test_divide_5(self): self.assertEqual(divide(10, 0), str)
def test_divide_4(self): self.assertEqual(divide(0, 10), 0)
def test_divide_2(self): self.assertEqual(divide(-10, 10), -1)
def test_divide_3(self): self.assertEqual(divide(10, -10), -1)
def test_divide_1(self): self.assertEqual(divide(10, 10), 1)