Move SystemMonitor to src/chrome/common....

app/system_monitor_unittest.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "app/system_monitor.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-class PowerTest : public SystemMonitor::PowerObserver {
- public:
-  PowerTest()
-      : battery_(false),
-        power_state_changes_(0),
-        suspends_(0),
-        resumes_(0) {
-  }
-
-  // PowerObserver callbacks.
-  void OnPowerStateChange(bool on_battery_power) {
-    power_state_changes_++;
-  }
-
-  void OnSuspend() {
-    suspends_++;
-  }
-
-  void OnResume() {
-    resumes_++;
-  }
-
-  // Test status counts.
-  bool battery() { return battery_; }
-  int power_state_changes() { return power_state_changes_; }
-  int suspends() { return suspends_; }
-  int resumes() { return resumes_; }
-
- private:
-  bool battery_;   // Do we currently think we're on battery power.
-  int power_state_changes_;  // Count of OnPowerStateChange notifications.
-  int suspends_;  // Count of OnSuspend notifications.
-  int resumes_;  // Count of OnResume notifications.
-};
-
-TEST(SystemMonitor, PowerNotifications) {
-  const int kObservers = 5;
-
-  // Initialize a message loop for this to run on.
-  MessageLoop loop;
-  // Initialize time() since it registers as a SystemMonitor observer.
-  base::Time now = base::Time::Now();
-
-  SystemMonitor system_monitor;
-  PowerTest test[kObservers];
-  for (int index = 0; index < kObservers; ++index)
-    system_monitor.AddObserver(&test[index]);
-
-  // Send a bunch of power changes.  Since the battery power hasn't
-  // actually changed, we shouldn't get notifications.
-  for (int index = 0; index < 5; index++) {
-    system_monitor.ProcessPowerMessage(SystemMonitor::POWER_STATE_EVENT);
-    EXPECT_EQ(test[0].power_state_changes(), 0);
-  }
-
-  // Sending resume when not suspended should have no effect.
-  system_monitor.ProcessPowerMessage(SystemMonitor::RESUME_EVENT);
-  loop.RunAllPending();
-  EXPECT_EQ(test[0].resumes(), 0);
-
-  // Pretend we suspended.
-  system_monitor.ProcessPowerMessage(SystemMonitor::SUSPEND_EVENT);
-  loop.RunAllPending();
-  EXPECT_EQ(test[0].suspends(), 1);
-
-  // Send a second suspend notification.  This should be suppressed.
-  system_monitor.ProcessPowerMessage(SystemMonitor::SUSPEND_EVENT);
-  loop.RunAllPending();
-  EXPECT_EQ(test[0].suspends(), 1);
-
-  // Pretend we were awakened.
-  system_monitor.ProcessPowerMessage(SystemMonitor::RESUME_EVENT);
-  loop.RunAllPending();
-  EXPECT_EQ(test[0].resumes(), 1);
-
-  // Send a duplicate resume notification.  This should be suppressed.
-  system_monitor.ProcessPowerMessage(SystemMonitor::RESUME_EVENT);
-  loop.RunAllPending();
-  EXPECT_EQ(test[0].resumes(), 1);
-}