53 lines
1.9 KiB
Python
53 lines
1.9 KiB
Python
# Copyright 2014 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 import mbim_constants
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from autotest_lib.client.cros.cellular.mbim_compliance import mbim_dts_test_base
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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.sequences \
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import loopback_sequence
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class cellular_MbimComplianceDTS1824(mbim_dts_test_base.MbimDtsTestBase):
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"""
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Validation of the Last wDatagramIndex.
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This test validates the value in wDatagramIndex[(wLength-8)/4 - 1] field of
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NDP16/32.
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Reference:
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[1] Universal Serial Bus Communication Class MBIM Compliance Testing: 34
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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, ntb_format):
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"""
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Run DTS_18/DTS_24 test.
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@param ntb_format: Whether to send/receive an NTB16 or NTB32 frame.
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Possible values: NTB_FORMAT_16, NTB_FORMAT_32 (mbim_constants)
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"""
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# Precondition
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_, _, _ = self.run_precondition(ntb_format)
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# Step 1
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loopback = loopback_sequence.LoopbackSequence(self.device_context)
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_, _, ndp_entries, _ = loopback.run(ntb_format=ntb_format)
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# Step 2
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if ntb_format == mbim_constants.NTB_FORMAT_16:
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if ndp_entries[-1].datagram_index != 0:
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mbim_errors.log_and_raise(
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mbim_errors.MBIMComplianceAssertionError,
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'ncm1.0:3.3.1#4')
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else:
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if ndp_entries[-1].datagram_index != 0:
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mbim_errors.log_and_raise(
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mbim_errors.MBIMComplianceAssertionError,
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'ncm1.0:3.3.2#4')
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