Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(17)

Side by Side Diff: base/hi_res_timer_manager_unittest.cc

Issue 18063004: Move timing files into base/time, install forwarding headers. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: ios Created 7 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « base/hi_res_timer_manager_posix.cc ('k') | base/hi_res_timer_manager_win.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
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
3 // found in the LICENSE file.
4
5 #include "base/hi_res_timer_manager.h"
6
7 #include "base/memory/scoped_ptr.h"
8 #include "base/message_loop.h"
9 #include "base/power_monitor/power_monitor.h"
10 #include "base/time.h"
11 #include "testing/gtest/include/gtest/gtest.h"
12
13 #if defined(OS_WIN)
14 // http://crbug.com/114048
15 TEST(HiResTimerManagerTest, DISABLED_ToggleOnOff) {
16 base::MessageLoop loop;
17 scoped_ptr<base::PowerMonitor> power_monitor(new base::PowerMonitor());
18 HighResolutionTimerManager manager;
19
20 // At this point, we don't know if the high resolution timers are on or off,
21 // it depends on what system the tests are running on (for example, if this
22 // test is running on a laptop/battery, then the PowerMonitor would have
23 // already set the PowerState to battery power; but if we're running on a
24 // desktop, then the PowerState will be non-battery power). Simulate a power
25 // level change to get to a deterministic state.
26 manager.OnPowerStateChange(/* on_battery */ false);
27
28 // Loop a few times to test power toggling.
29 for (int loop = 2; loop >= 0; --loop) {
30 // The manager has the high resolution clock enabled now.
31 EXPECT_TRUE(manager.hi_res_clock_available());
32 // But the Time class has it off, because it hasn't been activated.
33 EXPECT_FALSE(base::Time::IsHighResolutionTimerInUse());
34
35 // Activate the high resolution timer.
36 base::Time::ActivateHighResolutionTimer(true);
37 EXPECT_TRUE(base::Time::IsHighResolutionTimerInUse());
38
39 // Simulate a on-battery power event.
40 manager.OnPowerStateChange(/* on_battery */ true);
41 EXPECT_FALSE(manager.hi_res_clock_available());
42 EXPECT_FALSE(base::Time::IsHighResolutionTimerInUse());
43
44 // Simulate a off-battery power event.
45 manager.OnPowerStateChange(/* on_battery */ false);
46 EXPECT_TRUE(manager.hi_res_clock_available());
47 EXPECT_TRUE(base::Time::IsHighResolutionTimerInUse());
48
49 // De-activate the high resolution timer.
50 base::Time::ActivateHighResolutionTimer(false);
51 }
52 }
53 #endif // defined(OS_WIN)
OLDNEW
« no previous file with comments | « base/hi_res_timer_manager_posix.cc ('k') | base/hi_res_timer_manager_win.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698