| # Copyright 2015 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_command_message |
| 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 get_descriptors_sequence |
| from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ |
| import mbim_cid_device_caps_sequence |
| from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ |
| import mbim_open_generic_sequence |
| |
| |
| class cellular_MbimComplianceCM15(mbim_test_base.MbimTestBase): |
| """ |
| CM_15 Validation of message fragmentation ability. |
| |
| This test verifies that the function follows the rules of control message |
| fragmentation. |
| |
| Reference: |
| [1] Universal Serial Bus Communication Class MBIM Compliance Testing: 43 |
| http://www.usb.org/developers/docs/devclass_docs/MBIM-Compliance-1.0.pdf |
| |
| """ |
| version = 1 |
| |
| def run_internal(self): |
| """ Run CM_15 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 |
| caps_sequence = mbim_cid_device_caps_sequence.MBIMCIDDeviceCapsSequence( |
| self.device_context) |
| _, response_message = caps_sequence.run() |
| if not isinstance(response_message, |
| mbim_command_message.MBIMDeviceCapsInfo): |
| mbim_errors.log_and_raise(mbim_errors.MBIMComplianceAssertionError, |
| 'mbim1.0:9.2') |
