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Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 10 months ago
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1 // Copyright 2013 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/power_monitor/power_monitor.h"
6 #include "base/test/power_monitor_test_base.h"
7 #include "testing/gtest/include/gtest/gtest.h"
8
9 namespace base {
10
11 class PowerMonitorTest : public testing::Test {
12 protected:
13 PowerMonitorTest() {
14 power_monitor_source_ = new PowerMonitorTestSource();
15 power_monitor_.reset(new PowerMonitor(
16 scoped_ptr<PowerMonitorSource>(power_monitor_source_)));
17 }
18 ~PowerMonitorTest() override{};
19
20 PowerMonitorTestSource* source() { return power_monitor_source_; }
21 PowerMonitor* monitor() { return power_monitor_.get(); }
22
23 private:
24 PowerMonitorTestSource* power_monitor_source_;
25 scoped_ptr<PowerMonitor> power_monitor_;
26
27 DISALLOW_COPY_AND_ASSIGN(PowerMonitorTest);
28 };
29
30 // PowerMonitorSource is tightly coupled with the PowerMonitor, so this test
31 // Will cover both classes
32 TEST_F(PowerMonitorTest, PowerNotifications) {
33 const int kObservers = 5;
34
35 PowerMonitorTestObserver observers[kObservers];
36 for (int index = 0; index < kObservers; ++index)
37 monitor()->AddObserver(&observers[index]);
38
39 // Sending resume when not suspended should have no effect.
40 source()->GenerateResumeEvent();
41 EXPECT_EQ(observers[0].resumes(), 0);
42
43 // Pretend we suspended.
44 source()->GenerateSuspendEvent();
45 // Ensure all observers were notified of the event
46 for (int index = 0; index < kObservers; ++index)
47 EXPECT_EQ(observers[index].suspends(), 1);
48
49 // Send a second suspend notification. This should be suppressed.
50 source()->GenerateSuspendEvent();
51 EXPECT_EQ(observers[0].suspends(), 1);
52
53 // Pretend we were awakened.
54 source()->GenerateResumeEvent();
55 EXPECT_EQ(observers[0].resumes(), 1);
56
57 // Send a duplicate resume notification. This should be suppressed.
58 source()->GenerateResumeEvent();
59 EXPECT_EQ(observers[0].resumes(), 1);
60
61 // Pretend the device has gone on battery power
62 source()->GeneratePowerStateEvent(true);
63 EXPECT_EQ(observers[0].power_state_changes(), 1);
64 EXPECT_EQ(observers[0].last_power_state(), true);
65
66 // Repeated indications the device is on battery power should be suppressed.
67 source()->GeneratePowerStateEvent(true);
68 EXPECT_EQ(observers[0].power_state_changes(), 1);
69
70 // Pretend the device has gone off battery power
71 source()->GeneratePowerStateEvent(false);
72 EXPECT_EQ(observers[0].power_state_changes(), 2);
73 EXPECT_EQ(observers[0].last_power_state(), false);
74
75 // Repeated indications the device is off battery power should be suppressed.
76 source()->GeneratePowerStateEvent(false);
77 EXPECT_EQ(observers[0].power_state_changes(), 2);
78 }
79
80 } // namespace base
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