| # 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_dts_test_base |
| from autotest_lib.client.cros.cellular.mbim_compliance import mbim_errors |
| from autotest_lib.client.cros.cellular.mbim_compliance.sequences \ |
| import loopback_sequence |
| |
| |
| class cellular_MbimComplianceDTS1622(mbim_dts_test_base.MbimDtsTestBase): |
| """ |
| Validation of wDatagramIndex[0]. |
| |
| This test validates the value in wDatagramIndex[0] field of NDP16/32. |
| |
| Reference: |
| [1] Universal Serial Bus Communication Class MBIM Compliance Testing: 33 |
| http://www.usb.org/developers/docs/devclass_docs/MBIM-Compliance-1.0.pdf |
| |
| """ |
| version = 1 |
| |
| def run_internal(self, ntb_format): |
| """ |
| Run DTS_16/DTS_22 test. |
| |
| @param ntb_format: Whether to send/receive an NTB16 or NTB32 frame. |
| Possible values: NTB_FORMAT_16, NTB_FORMAT_32 (mbim_constants) |
| |
| """ |
| # Precondition |
| _, _, _ = self.run_precondition(ntb_format) |
| |
| # Step 1 |
| loopback = loopback_sequence.LoopbackSequence(self.device_context) |
| _, _, ndp_entries, _ = loopback.run(ntb_format=ntb_format) |
| |
| # Step 2 |
| if ntb_format == mbim_constants.NTB_FORMAT_16: |
| if ndp_entries[0].datagram_index < 12: |
| mbim_errors.log_and_raise( |
| mbim_errors.MBIMComplianceAssertionError, |
| 'ncm1.0:3.3.1#2') |
| else: |
| if ndp_entries[0].datagram_index < 16: |
| mbim_errors.log_and_raise( |
| mbim_errors.MBIMComplianceAssertionError, |
| 'ncm1.0:3.3.2#2') |
