81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
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// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/power_monitor/power_monitor.h"
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#include "base/test/power_monitor_test_base.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace base {
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class PowerMonitorTest : public testing::Test {
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protected:
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PowerMonitorTest() {
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power_monitor_source_ = new PowerMonitorTestSource();
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power_monitor_.reset(new PowerMonitor(
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scoped_ptr<PowerMonitorSource>(power_monitor_source_)));
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}
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virtual ~PowerMonitorTest() {};
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PowerMonitorTestSource* source() { return power_monitor_source_; }
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PowerMonitor* monitor() { return power_monitor_.get(); }
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private:
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PowerMonitorTestSource* power_monitor_source_;
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scoped_ptr<PowerMonitor> power_monitor_;
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DISALLOW_COPY_AND_ASSIGN(PowerMonitorTest);
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};
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// PowerMonitorSource is tightly coupled with the PowerMonitor, so this test
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// Will cover both classes
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TEST_F(PowerMonitorTest, PowerNotifications) {
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const int kObservers = 5;
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PowerMonitorTestObserver observers[kObservers];
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for (int index = 0; index < kObservers; ++index)
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monitor()->AddObserver(&observers[index]);
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// Sending resume when not suspended should have no effect.
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source()->GenerateResumeEvent();
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EXPECT_EQ(observers[0].resumes(), 0);
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// Pretend we suspended.
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source()->GenerateSuspendEvent();
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// Ensure all observers were notified of the event
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for (int index = 0; index < kObservers; ++index)
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EXPECT_EQ(observers[index].suspends(), 1);
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// Send a second suspend notification. This should be suppressed.
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source()->GenerateSuspendEvent();
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EXPECT_EQ(observers[0].suspends(), 1);
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// Pretend we were awakened.
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source()->GenerateResumeEvent();
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EXPECT_EQ(observers[0].resumes(), 1);
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// Send a duplicate resume notification. This should be suppressed.
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source()->GenerateResumeEvent();
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EXPECT_EQ(observers[0].resumes(), 1);
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// Pretend the device has gone on battery power
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source()->GeneratePowerStateEvent(true);
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EXPECT_EQ(observers[0].power_state_changes(), 1);
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EXPECT_EQ(observers[0].last_power_state(), true);
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// Repeated indications the device is on battery power should be suppressed.
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source()->GeneratePowerStateEvent(true);
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EXPECT_EQ(observers[0].power_state_changes(), 1);
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// Pretend the device has gone off battery power
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source()->GeneratePowerStateEvent(false);
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EXPECT_EQ(observers[0].power_state_changes(), 2);
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EXPECT_EQ(observers[0].last_power_state(), false);
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// Repeated indications the device is off battery power should be suppressed.
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source()->GeneratePowerStateEvent(false);
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EXPECT_EQ(observers[0].power_state_changes(), 2);
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}
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} // namespace base
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