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# Copyright 2014 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import common
from autotest_lib.client.cros.cellular.mbim_compliance import mbim_constants
from autotest_lib.client.cros.cellular.mbim_compliance import mbim_errors
from autotest_lib.client.cros.cellular.mbim_compliance import mbim_test_base
from autotest_lib.client.cros.cellular.mbim_compliance.sequences \
import connect_sequence
from autotest_lib.client.cros.cellular.mbim_compliance.sequences \
import get_descriptors_sequence
from autotest_lib.client.cros.cellular.mbim_compliance.sequences \
import mbim_open_generic_sequence
class cellular_MbimComplianceERR02(mbim_test_base.MbimTestBase):
"""
Validation of issuing the error message.
This test verifies that an error message with status code
MBIM_ERROR_FRAGMENT_OUT_OF_SEQUENCE is issued when fragments received in a
wrong order.
Reference:
[1] Universal Serial Bus Communication Class MBIM Compliance Testing: 45
http://www.usb.org/developers/docs/devclass_docs/MBIM-Compliance-1.0.pdf
"""
version = 1
def run_internal(self):
""" Run ERR_02 test. """
# Precondition
descriptors = get_descriptors_sequence.GetDescriptorsSequence(
self.device_context).run()
self.device_context.update_descriptor_cache(descriptors)
open_sequence = mbim_open_generic_sequence.MBIMOpenGenericSequence(
self.device_context)
open_sequence.run(max_control_transfer_size=64)
# Step 1
request_message, response_message, _ = (
connect_sequence.ConnectSequence(self.device_context).run(
introduce_error_in_packets_order=[1, 0, 2],
raise_exception_on_failure=False))
# Step 2
if ((response_message.message_type !=
mbim_constants.MBIM_FUNCTION_ERROR_MSG) or
(response_message.error_status_code !=
mbim_constants.MBIM_ERROR_FRAGMENT_OUT_OF_SEQUENCE)):
mbim_errors.log_and_raise(mbim_errors.MBIMComplianceAssertionError,
'mbim1.0:9.3.4#3')
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