50 lines
2.0 KiB
Python
50 lines
2.0 KiB
Python
# Copyright 2015 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import common
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from autotest_lib.client.cros.cellular.mbim_compliance \
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import mbim_command_message
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from autotest_lib.client.cros.cellular.mbim_compliance import mbim_errors
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from autotest_lib.client.cros.cellular.mbim_compliance import mbim_test_base
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from autotest_lib.client.cros.cellular.mbim_compliance.sequences \
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import get_descriptors_sequence
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from autotest_lib.client.cros.cellular.mbim_compliance.sequences \
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import mbim_cid_device_caps_sequence
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from autotest_lib.client.cros.cellular.mbim_compliance.sequences \
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import mbim_open_generic_sequence
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class cellular_MbimComplianceCM15(mbim_test_base.MbimTestBase):
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"""
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CM_15 Validation of message fragmentation ability.
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This test verifies that the function follows the rules of control message
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fragmentation.
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Reference:
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[1] Universal Serial Bus Communication Class MBIM Compliance Testing: 43
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http://www.usb.org/developers/docs/devclass_docs/MBIM-Compliance-1.0.pdf
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"""
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version = 1
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def run_internal(self):
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""" Run CM_15 test. """
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# Precondition
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descriptors = get_descriptors_sequence.GetDescriptorsSequence(
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self.device_context).run()
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self.device_context.update_descriptor_cache(descriptors)
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open_sequence = mbim_open_generic_sequence.MBIMOpenGenericSequence(
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self.device_context)
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open_sequence.run(max_control_transfer_size=64)
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# Step 1
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caps_sequence = mbim_cid_device_caps_sequence.MBIMCIDDeviceCapsSequence(
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self.device_context)
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_, response_message = caps_sequence.run()
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if not isinstance(response_message,
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mbim_command_message.MBIMDeviceCapsInfo):
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mbim_errors.log_and_raise(mbim_errors.MBIMComplianceAssertionError,
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'mbim1.0:9.2')
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