def test_byte_plus(self):
    self._dll.tf_bb.restype = c_byte
    self._dll.tf_bb.argtypes = (c_byte, c_byte)
    self.assertEqual(self._dll.tf_bb(0, (- 126)), (- 42))
    self.assertEqual(self.S(), (- 126))
def test_byte_plus(self):
    self._dll.tf_bb.restype = c_byte
    self._dll.tf_bb.argtypes = (c_byte, c_byte)
    self.assertEqual(self._dll.tf_bb(0, (- 126)), (- 42))
    self.assertEqual(self.S(), (- 126))