def test_wirevector_list_type(self):
        # Single string of names
        wirevectors = pyrtl.helperfuncs.wirevector_list('one, two, three')
        self.assertTrue(all(isinstance(wire, pyrtl.WireVector) for wire in wirevectors))
        self.assertListEqual([wire.bitwidth for wire in wirevectors], [1, 1, 1])

        # List of names
        wirevectors = pyrtl.helperfuncs.wirevector_list('one, two, three')
        self.assertTrue(all(isinstance(wire, pyrtl.WireVector) for wire in wirevectors))
        self.assertListEqual([wire.bitwidth for wire in wirevectors], [1, 1, 1])