def test_false_19(self): self.assertFalse(signed_eight_bit_number("+1"))
def test_false_20(self): self.assertFalse(signed_eight_bit_number("--1"))
def test_false_18(self): self.assertFalse(signed_eight_bit_number("1\n2"))
def test_true(self): self.assertTrue(signed_eight_bit_number("0"))
def test_false_8(self): self.assertFalse(signed_eight_bit_number("-999"))
def test_false_5(self): self.assertFalse(signed_eight_bit_number("128"))
def test_false_4(self): self.assertFalse(signed_eight_bit_number("042"))