Method testBCM

Lib/test/test_socket.py:2329–2356

(self)

    @unittest.skipUnless(hasattr(socket, "CAN_BCM"),
                         'socket.CAN_BCM required for this test.')
    def testBCM(self):
        bcm = socket.socket(socket.PF_CAN, socket.SOCK_DGRAM, socket.CAN_BCM)
        self.addCleanup(bcm.close)
        bcm.connect((self.interface,))
        self.can_id = 0x123
        self.data = bytes([0xc0, 0xff, 0xee])
        self.cf = self.build_can_frame(self.can_id, self.data)
        opcode = socket.CAN_BCM_TX_SEND
        flags = 0
        count = 0
        ival1_seconds = ival1_usec = ival2_seconds = ival2_usec = 0
        bcm_can_id = 0x0222
        nframes = 1
        assert len(self.cf) == 16
        header = struct.pack(self.bcm_cmd_msg_fmt,
                    opcode,
                    flags,
                    count,
                    ival1_seconds,
                    ival1_usec,
                    ival2_seconds,
                    ival2_usec,
                    bcm_can_id,
                    nframes,
                    )
        header_plus_frame = header + self.cf
        bytes_sent = bcm.send(header_plus_frame)
        self.assertEqual(bytes_sent, len(header_plus_frame))


@unittest.skipUnless(HAVE_SOCKET_CAN_ISOTP, 'CAN ISOTP required for this test.')