test_llcp_tco.py 文件源码

def test_recvfrom(self, tco):
        pdu = nfc.llcp.pdu.Symmetry()
        assert tco.enqueue(pdu) is False
        pdu = nfc.llcp.pdu.UnnumberedInformation(1, 1, (tco.recv_miu+1) * b'1')
        assert tco.enqueue(pdu) is False
        pdu = nfc.llcp.pdu.UnnumberedInformation(1, 1, HEX('1122'))
        assert tco.enqueue(pdu) is True
        assert tco.recvfrom() == (pdu.data, pdu.ssap)
        threading.Timer(0.01, tco.close).start()
        with pytest.raises(nfc.llcp.Error) as excinfo:
            tco.recvfrom()
        assert excinfo.value.errno == errno.EPIPE
        with pytest.raises(nfc.llcp.Error) as excinfo:
            tco.recvfrom()
        assert excinfo.value.errno == errno.ESHUTDOWN


# =============================================================================
# Data Link Connection
# =============================================================================