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1# Copyright (c) 2012 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
5import time
6
7from autotest_lib.client.bin import test
8from autotest_lib.client.common_lib.cros import chrome
9from autotest_lib.client.cros import power_suspend, sys_power
10
11
12class power_UiResume(test.test):
13    """
14    Suspend a logged in system by sending a request to power manager via dbus.
15
16    This test waits quite a bit after logging in and before suspending.
17    Therefore it verifies suspend/resume functionality for an idle system. For
18    stress-testing suspend/resume in parallel with other things going on, see
19    power_SuspendStress.
20
21    """
22    version = 2
23
24    def initialize(self):
25        self._suspender = power_suspend.Suspender(self.resultsdir,
26                method=sys_power.do_suspend, throw=True)
27
28
29    def run_once(self):
30        # Some idle time before initiating suspend-to-ram
31        with chrome.Chrome():
32            time.sleep(10)
33            results = self._suspender.suspend(0)
34            self.write_perf_keyval(results)
35