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1# Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5"""
6CM_07 Validation of Status in Case of an Unsupported CID in MBIM_COMMAND_MSG
7
8Reference:
9    [1] Universal Serial Bus Communication Class MBIM Compliance Testing: 40
10        http://www.usb.org/developers/docs/devclass_docs/MBIM-Compliance-1.0.pdf
11"""
12import common
13from autotest_lib.client.cros.cellular.mbim_compliance import mbim_channel
14from autotest_lib.client.cros.cellular.mbim_compliance import mbim_constants
15from autotest_lib.client.cros.cellular.mbim_compliance import mbim_control
16from autotest_lib.client.cros.cellular.mbim_compliance import mbim_errors
17from autotest_lib.client.cros.cellular.mbim_compliance.sequences \
18        import mbim_open_generic_sequence
19from autotest_lib.client.cros.cellular.mbim_compliance.tests import test
20
21
22class CM07Test(test.Test):
23    """ Implement the CM_07 test. """
24
25    def run_internal(self):
26        """ Run CM_07 test. """
27        # Precondition
28        mbim_open_generic_sequence.MBIMOpenGenericSequence(
29                self.test_context).run()
30
31        # Step 1
32        # 255 is an unsupported CID.
33        command_message = mbim_control.MBIMCommandMessage(
34                message_length=48,
35                total_fragments=1,
36                current_fragment=0,
37                device_service_id=mbim_constants.UUID_BASIC_CONNECT.bytes,
38                cid=255,
39                command_type=mbim_constants.COMMAND_TYPE_QUERY,
40                information_buffer_length=0)
41        packets = command_message.generate_packets()
42        channel = mbim_channel.MBIMChannel(
43                {'idVendor': self.test_context.id_vendor,
44                 'idProduct': self.test_context.id_product},
45                self.test_context.mbim_communication_interface.bInterfaceNumber,
46                self.test_context.interrupt_endpoint.bEndpointAddress,
47                self.test_context.mbim_functional.wMaxControlMessage)
48        response_packets = channel.bidirectional_transaction(*packets)
49        channel.close()
50
51        # Step 2
52        response_message = mbim_control.parse_response_packets(response_packets)
53
54        # Step 3
55        if (response_message.message_type != mbim_constants.MBIM_COMMAND_DONE or
56            (response_message.status_codes !=
57             mbim_constants.MBIM_STATUS_NO_DEVICE_SUPPORT)):
58            mbim_errors.log_and_raise(mbim_errors.MBIMComplianceAssertionError,
59                                      'mbim1.0:9.4.5#2')
60