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Side by Side Diff: base/timer/hi_res_timer_manager_unittest.cc

Issue 1446363003: Deleted OS_WIN and all Windows specific files from base. (Closed) Base URL: https://github.com/domokit/mojo.git@base_tests
Patch Set: Created 5 years, 1 month ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "base/timer/hi_res_timer_manager.h" 5 #include "base/timer/hi_res_timer_manager.h"
6 6
7 #include "base/memory/scoped_ptr.h" 7 #include "base/memory/scoped_ptr.h"
8 #include "base/message_loop/message_loop.h" 8 #include "base/message_loop/message_loop.h"
9 #include "base/power_monitor/power_monitor.h" 9 #include "base/power_monitor/power_monitor.h"
10 #include "base/power_monitor/power_monitor_device_source.h" 10 #include "base/power_monitor/power_monitor_device_source.h"
11 #include "base/time/time.h" 11 #include "base/time/time.h"
12 #include "testing/gtest/include/gtest/gtest.h" 12 #include "testing/gtest/include/gtest/gtest.h"
13 13
14 namespace base { 14 namespace base {
15 15
16 #if defined(OS_WIN)
17 TEST(HiResTimerManagerTest, ToggleOnOff) { 16 TEST(HiResTimerManagerTest, ToggleOnOff) {
18 // The power monitor creates Window to receive power notifications from
19 // Windows, which makes this test flaky if you run while the machine
20 // goes in or out of AC power.
21 base::MessageLoop loop(base::MessageLoop::TYPE_UI);
22 scoped_ptr<base::PowerMonitorSource> power_monitor_source(
23 new base::PowerMonitorDeviceSource());
24 scoped_ptr<base::PowerMonitor> power_monitor(
25 new base::PowerMonitor(power_monitor_source.Pass()));
26
27 HighResolutionTimerManager manager;
28 // Simulate a on-AC power event to get to a known initial state.
29 manager.OnPowerStateChange(false);
30
31 // Loop a few times to test power toggling.
32 for (int times = 0; times != 3; ++times) {
33 // The manager has the high resolution clock enabled now.
34 EXPECT_TRUE(manager.hi_res_clock_available());
35 // But the Time class has it off, because it hasn't been activated.
36 EXPECT_FALSE(base::Time::IsHighResolutionTimerInUse());
37
38 // Activate the high resolution timer.
39 base::Time::ActivateHighResolutionTimer(true);
40 EXPECT_TRUE(base::Time::IsHighResolutionTimerInUse());
41
42 // Simulate a on-battery power event.
43 manager.OnPowerStateChange(true);
44 EXPECT_FALSE(manager.hi_res_clock_available());
45 EXPECT_FALSE(base::Time::IsHighResolutionTimerInUse());
46
47 // Back to on-AC power.
48 manager.OnPowerStateChange(false);
49 EXPECT_TRUE(manager.hi_res_clock_available());
50 EXPECT_TRUE(base::Time::IsHighResolutionTimerInUse());
51
52 // De-activate the high resolution timer.
53 base::Time::ActivateHighResolutionTimer(false);
54 }
55 } 17 }
56 #endif // defined(OS_WIN)
57 18
58 } // namespace base 19 } // namespace base
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