1 # Copyright 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 import common 6 from autotest_lib.client.cros.cellular.mbim_compliance import mbim_constants 7 from autotest_lib.client.cros.cellular.mbim_compliance import mbim_errors 8 from autotest_lib.client.cros.cellular.mbim_compliance \ 9 import mbim_test_base 10 from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ 11 import connect_sequence 12 from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ 13 import get_descriptors_sequence 14 from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ 15 import mbim_close_sequence 16 from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ 17 import mbim_open_generic_sequence 18 19 20 class cellular_MbimComplianceCM14(mbim_test_base.MbimTestBase): 21 """ 22 CM_14 Validation of not sending data payload in error messages. 23 24 This test verifies that an MBIM_FUNCTION_ERROR_MSG does contain a data 25 payload. 26 27 Reference: 28 [1] Universal Serial Bus Communication Class MBIM Compliance Testing: 43 29 http://www.usb.org/developers/docs/devclass_docs/MBIM-Compliance-1.0.pdf 30 31 """ 32 version = 1 33 34 def run_internal(self): 35 """ Run CM_14 test. """ 36 # Precondition 37 descriptors = get_descriptors_sequence.GetDescriptorsSequence( 38 self.device_context).run() 39 self.device_context.update_descriptor_cache(descriptors) 40 mbim_open_generic_sequence.MBIMOpenGenericSequence( 41 self.device_context).run() 42 mbim_close_sequence.MBIMCloseSequence(self.device_context).run() 43 44 # Step 1 45 _, response_message, _ = ( 46 connect_sequence.ConnectSequence(self.device_context).run( 47 raise_exception_on_failure=False)) 48 49 # Step 2 50 if ((response_message.message_type != 51 mbim_constants.MBIM_FUNCTION_ERROR_MSG) or 52 (response_message.message_length != 16)): 53 mbim_errors.log_and_raise(mbim_errors.MBIMComplianceAssertionError, 54 'mbim1.0:9.3.4#2') 55
