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 """ 6 CM_02 Validation of Message Length of the response to MBIM_OPEN_MSG. 7 8 Reference: 9 [1] Universal Serial Bus Communication Class MBIM Compliance Testing: 38 10 http://www.usb.org/developers/docs/devclass_docs/MBIM-Compliance-1.0.pdf 11 """ 12 13 import common 14 from autotest_lib.client.cros.cellular.mbim_compliance import mbim_errors 15 from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ 16 import mbim_open_generic_sequence 17 from autotest_lib.client.cros.cellular.mbim_compliance.tests import test 18 19 20 class CM02Test(test.Test): 21 """ 22 Implement the CM_02 test. 23 """ 24 25 def run_internal(self): 26 """ Run CM_02 test. """ 27 # Step 1 28 open_message, response_message = ( 29 mbim_open_generic_sequence.MBIMOpenGenericSequence( 30 self.test_context).run()) 31 32 # Validate message length of response to MBIM_OPEN_MESSAGE. 33 if response_message.message_length < 0x0C: 34 mbim_errors.log_and_raise(mbim_errors.MBIMComplianceAssertionError, 35 'mbim1.0:9.1#2') 36