1# Copyright 2018 The Chromium OS Authors. All rights reserved. 2# Use of this source code is governed by a BSD-style license that can be 3# found in the LICENSE file. 4 5from autotest_lib.client.common_lib import error 6from autotest_lib.server.cros.faft.cr50_test import Cr50Test 7 8 9class firmware_Cr50DevMode(Cr50Test): 10 """Verify cr50 can tell the state of the dev mode switch.""" 11 version = 1 12 13 14 def check_dev_mode(self, dev_mode): 15 """Verify the cr50 tpm info matches the devmode state.""" 16 if self.cr50.in_dev_mode() != dev_mode: 17 raise error.TestFail('Cr50 should%s think dev mode is active' % 18 ('' if dev_mode else "n't")) 19 20 21 def run_once(self): 22 """Check cr50 can see dev mode correctly.""" 23 self.enter_mode_after_checking_tpm_state('normal') 24 self.check_dev_mode(False) 25 self.enter_mode_after_checking_tpm_state('dev') 26 self.check_dev_mode(True) 27 self.enter_mode_after_checking_tpm_state('normal') 28 self.check_dev_mode(False) 29