| # 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_MbimComplianceERR01(mbim_test_base.MbimTestBase): |
| """ |
| Validation of function's response to messages with variable-length encoding |
| errors. |
| |
| This test verifies that incoming messages are rejected when variable-length |
| encoding rules are not followed. |
| |
| 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_01 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() |
| |
| # Step 1 |
| request_message, response_message, _ = ( |
| connect_sequence.ConnectSequence(self.device_context).run( |
| introduce_error_in_access_offset=True, |
| raise_exception_on_failure=False)) |
| |
| # Step 2 |
| if ((response_message.transaction_id != |
| request_message.transaction_id) or |
| (response_message.device_service_id != |
| request_message.device_service_id) or |
| (response_message.cid != request_message.cid)): |
| mbim_errors.log_and_raise( |
| mbim_errors.MBIMComplianceTestError, |
| 'Mismatch in request/response message params: ' |
| '(transaction_id, service_id, cid). ' |
| 'Request Message: (%s, %s, %s), ' |
| 'Response Message: (%s, %s, %s)' % ( |
| request_message.transaction_id, |
| request_message.device_service_id, |
| request_message.cid, |
| response_message.transaction_id, |
| response_message.device_service_id, |
| response_message.cid)) |
| |
| # Step 3 |
| if ((response_message.message_type != |
| mbim_constants.MBIM_COMMAND_DONE) or |
| (response_message.status_codes != |
| mbim_constants.MBIM_STATUS_INVALID_PARAMETERS)): |
| mbim_errors.log_and_raise(mbim_errors.MBIMComplianceAssertionError, |
| 'mbim1.0:10.3#2') |
