chromeos: Move files in //ash/common to //ash, part 1

ash/system/chromeos/power/tablet_power_button_controller_unittest.cc

Index: ash/system/chromeos/power/tablet_power_button_controller_unittest.cc
diff --git a/ash/system/chromeos/power/tablet_power_button_controller_unittest.cc b/ash/system/chromeos/power/tablet_power_button_controller_unittest.cc
deleted file mode 100644
index 8a2df301343d4768b12ed7e479d5dbeee0cf6829..0000000000000000000000000000000000000000
--- a/ash/system/chromeos/power/tablet_power_button_controller_unittest.cc
+++ /dev/null
@@ -1,481 +0,0 @@
-// Copyright 2016 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 "ash/system/chromeos/power/tablet_power_button_controller.h"
-
-#include <memory>
-
-#include "ash/common/ash_switches.h"
-#include "ash/common/session/session_state_delegate.h"
-#include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
-#include "ash/common/wm_shell.h"
-#include "ash/shell.h"
-#include "ash/test/ash_test_base.h"
-#include "ash/test/lock_state_controller_test_api.h"
-#include "ash/test/test_shell_delegate.h"
-#include "ash/wm/lock_state_controller.h"
-#include "ash/wm/power_button_controller.h"
-#include "base/command_line.h"
-#include "base/compiler_specific.h"
-#include "base/memory/ptr_util.h"
-#include "base/run_loop.h"
-#include "base/test/simple_test_tick_clock.h"
-#include "chromeos/dbus/dbus_thread_manager.h"
-#include "chromeos/dbus/fake_power_manager_client.h"
-#include "ui/events/event.h"
-#include "ui/events/test/event_generator.h"
-
-namespace ash {
-namespace test {
-
-namespace {
-
-// A non-zero brightness used for test.
-constexpr int kNonZeroBrightness = 10;
-
-void CopyResult(bool* dest, bool src) {
-  *dest = src;
-}
-
-}  // namespace
-
-class TabletPowerButtonControllerTest : public AshTestBase {
- public:
-  TabletPowerButtonControllerTest() {}
-  ~TabletPowerButtonControllerTest() override {}
-
-  void SetUp() override {
-    // This also initializes DBusThreadManager.
-    std::unique_ptr<chromeos::DBusThreadManagerSetter> dbus_setter =
-        chromeos::DBusThreadManager::GetSetterForTesting();
-    power_manager_client_ = new chromeos::FakePowerManagerClient();
-    dbus_setter->SetPowerManagerClient(base::WrapUnique(power_manager_client_));
-    base::CommandLine::ForCurrentProcess()->AppendSwitch(
-        switches::kAshEnableTouchView);
-    AshTestBase::SetUp();
-
-    lock_state_controller_ = Shell::GetInstance()->lock_state_controller();
-    tablet_controller_ = Shell::GetInstance()
-                             ->power_button_controller()
-                             ->tablet_power_button_controller_for_test();
-    test_api_ = base::MakeUnique<TabletPowerButtonController::TestApi>(
-        tablet_controller_);
-    lock_state_test_api_ =
-        base::MakeUnique<LockStateControllerTestApi>(lock_state_controller_);
-    tick_clock_ = new base::SimpleTestTickClock;
-    tablet_controller_->SetTickClockForTesting(
-        std::unique_ptr<base::TickClock>(tick_clock_));
-    shell_delegate_ =
-        static_cast<TestShellDelegate*>(WmShell::Get()->delegate());
-    generator_ = &AshTestBase::GetEventGenerator();
-    power_manager_client_->SendBrightnessChanged(kNonZeroBrightness, false);
-    EXPECT_FALSE(GetBacklightsForcedOff());
-  }
-
-  void TearDown() override {
-    generator_ = nullptr;
-    const bool is_mash = WmShell::Get()->IsRunningInMash();
-    AshTestBase::TearDown();
-    // Mash shuts down dbus after each test.
-    if (!is_mash)
-      chromeos::DBusThreadManager::Shutdown();
-  }
-
- protected:
-  void PressPowerButton() {
-    tablet_controller_->OnPowerButtonEvent(true, base::TimeTicks::Now());
-  }
-
-  void ReleasePowerButton() {
-    tablet_controller_->OnPowerButtonEvent(false, base::TimeTicks::Now());
-  }
-
-  void UnlockScreen() {
-    lock_state_controller_->OnLockStateChanged(false);
-    WmShell::Get()->GetSessionStateDelegate()->UnlockScreen();
-  }
-
-  void Initialize(LoginStatus status) {
-    lock_state_controller_->OnLoginStateChanged(status);
-    SetUserLoggedIn(status != LoginStatus::NOT_LOGGED_IN);
-    lock_state_controller_->OnLockStateChanged(false);
-  }
-
-  void EnableMaximizeMode(bool enabled) {
-    WmShell::Get()->maximize_mode_controller()->EnableMaximizeModeWindowManager(
-        enabled);
-  }
-
-  bool GetLockedState() {
-    return WmShell::Get()->GetSessionStateDelegate()->IsScreenLocked();
-  }
-
-  bool GetBacklightsForcedOff() WARN_UNUSED_RESULT {
-    bool forced_off = false;
-    power_manager_client_->GetBacklightsForcedOff(
-        base::Bind(&CopyResult, base::Unretained(&forced_off)));
-    base::RunLoop().RunUntilIdle();
-    return forced_off;
-  }
-
-  // Ownership is passed on to chromeos::DBusThreadManager.
-  chromeos::FakePowerManagerClient* power_manager_client_;
-
-  LockStateController* lock_state_controller_;      // Not owned.
-  TabletPowerButtonController* tablet_controller_;  // Not owned.
-  std::unique_ptr<TabletPowerButtonController::TestApi> test_api_;
-  std::unique_ptr<LockStateControllerTestApi> lock_state_test_api_;
-  base::SimpleTestTickClock* tick_clock_;  // Not owned.
-  TestShellDelegate* shell_delegate_;      // Not owned.
-  ui::test::EventGenerator* generator_ = nullptr;
-
-  DISALLOW_COPY_AND_ASSIGN(TabletPowerButtonControllerTest);
-};
-
-TEST_F(TabletPowerButtonControllerTest, LockScreenIfRequired) {
-  Initialize(LoginStatus::USER);
-  SetShouldLockScreenAutomatically(true);
-  EXPECT_FALSE(GetLockedState());
-
-  // On User logged in status, power-button-press-release should lock screen if
-  // automatic screen-locking was requested.
-  PressPowerButton();
-  ReleasePowerButton();
-  EXPECT_TRUE(GetLockedState());
-
-  // On locked state, power-button-press-release should do nothing.
-  PressPowerButton();
-  ReleasePowerButton();
-  EXPECT_TRUE(GetLockedState());
-
-  // Unlock the sceen.
-  UnlockScreen();
-  ASSERT_FALSE(GetLockedState());
-
-  // power-button-press-release should not lock the screen if automatic
-  // screen-locking wasn't requested.
-  SetShouldLockScreenAutomatically(false);
-  PressPowerButton();
-  ReleasePowerButton();
-  EXPECT_FALSE(GetLockedState());
-}
-
-// Tests that shutdown animation is not started if the power button is released
-// quickly.
-TEST_F(TabletPowerButtonControllerTest,
-       ReleasePowerButtonBeforeStartingShutdownAnimation) {
-  PressPowerButton();
-  EXPECT_TRUE(test_api_->ShutdownTimerIsRunning());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-  ReleasePowerButton();
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_FALSE(test_api_->ShutdownTimerIsRunning());
-  EXPECT_TRUE(GetBacklightsForcedOff());
-
-  PressPowerButton();
-  power_manager_client_->SendBrightnessChanged(kNonZeroBrightness, false);
-  EXPECT_TRUE(test_api_->ShutdownTimerIsRunning());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-  ReleasePowerButton();
-  EXPECT_FALSE(test_api_->ShutdownTimerIsRunning());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-}
-
-// Tests that the shutdown animation is started when the power button is
-// released after the timer fires.
-TEST_F(TabletPowerButtonControllerTest,
-       ReleasePowerButtonDuringShutdownAnimation) {
-  PressPowerButton();
-  test_api_->TriggerShutdownTimeout();
-  EXPECT_TRUE(lock_state_test_api_->shutdown_timer_is_running());
-  ReleasePowerButton();
-  EXPECT_FALSE(lock_state_test_api_->shutdown_timer_is_running());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-
-  // Test again when backlights is forced off.
-  PressPowerButton();
-  ReleasePowerButton();
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-
-  PressPowerButton();
-  power_manager_client_->SendBrightnessChanged(kNonZeroBrightness, false);
-  EXPECT_FALSE(GetBacklightsForcedOff());
-  test_api_->TriggerShutdownTimeout();
-  EXPECT_TRUE(lock_state_test_api_->shutdown_timer_is_running());
-  ReleasePowerButton();
-  EXPECT_FALSE(lock_state_test_api_->shutdown_timer_is_running());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-}
-
-// Tests tapping power button when screen is idle off.
-TEST_F(TabletPowerButtonControllerTest, TappingPowerButtonWhenScreenIsIdleOff) {
-  power_manager_client_->SendBrightnessChanged(0, false);
-  PressPowerButton();
-  EXPECT_FALSE(GetBacklightsForcedOff());
-  power_manager_client_->SendBrightnessChanged(kNonZeroBrightness, false);
-  ReleasePowerButton();
-  EXPECT_FALSE(GetBacklightsForcedOff());
-}
-
-// Tests tapping power button when device is suspended without backlights forced
-// off.
-TEST_F(TabletPowerButtonControllerTest,
-       TappingPowerButtonWhenSuspendedWithoutBacklightsForcedOff) {
-  power_manager_client_->SendSuspendImminent();
-  power_manager_client_->SendBrightnessChanged(0, false);
-  // There is a power button pressed here, but PowerButtonEvent is sent later.
-  power_manager_client_->SendSuspendDone();
-  power_manager_client_->SendBrightnessChanged(kNonZeroBrightness, false);
-
-  // Send the power button event after a short delay and check that backlights
-  // are not forced off.
-  tick_clock_->Advance(base::TimeDelta::FromMilliseconds(500));
-  power_manager_client_->SendPowerButtonEvent(true, tick_clock_->NowTicks());
-  EXPECT_TRUE(test_api_->ShutdownTimerIsRunning());
-  power_manager_client_->SendPowerButtonEvent(false, tick_clock_->NowTicks());
-  EXPECT_FALSE(test_api_->ShutdownTimerIsRunning());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-
-  // Send the power button event after a longer delay and check that backlights
-  // are forced off.
-  tick_clock_->Advance(base::TimeDelta::FromMilliseconds(1600));
-  power_manager_client_->SendPowerButtonEvent(true, tick_clock_->NowTicks());
-  EXPECT_TRUE(test_api_->ShutdownTimerIsRunning());
-  power_manager_client_->SendPowerButtonEvent(false, tick_clock_->NowTicks());
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_FALSE(test_api_->ShutdownTimerIsRunning());
-  EXPECT_TRUE(GetBacklightsForcedOff());
-}
-
-// Tests tapping power button when device is suspended with backlights forced
-// off.
-TEST_F(TabletPowerButtonControllerTest,
-       TappingPowerButtonWhenSuspendedWithBacklightsForcedOff) {
-  PressPowerButton();
-  ReleasePowerButton();
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-  power_manager_client_->SendSuspendImminent();
-  // There is a power button pressed here, but PowerButtonEvent is sent later.
-  // Because of backlights forced off, resuming system will not restore
-  // brightness.
-  power_manager_client_->SendSuspendDone();
-
-  // Send the power button event after a short delay and check that backlights
-  // are not forced off.
-  tick_clock_->Advance(base::TimeDelta::FromMilliseconds(500));
-  power_manager_client_->SendPowerButtonEvent(true, tick_clock_->NowTicks());
-  power_manager_client_->SendBrightnessChanged(kNonZeroBrightness, false);
-  EXPECT_TRUE(test_api_->ShutdownTimerIsRunning());
-  power_manager_client_->SendPowerButtonEvent(false, tick_clock_->NowTicks());
-  EXPECT_FALSE(test_api_->ShutdownTimerIsRunning());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-
-  // Send the power button event after a longer delay and check that backlights
-  // are forced off.
-  tick_clock_->Advance(base::TimeDelta::FromMilliseconds(1600));
-  power_manager_client_->SendPowerButtonEvent(true, tick_clock_->NowTicks());
-  EXPECT_TRUE(test_api_->ShutdownTimerIsRunning());
-  power_manager_client_->SendPowerButtonEvent(false, tick_clock_->NowTicks());
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_FALSE(test_api_->ShutdownTimerIsRunning());
-  EXPECT_TRUE(GetBacklightsForcedOff());
-}
-
-// For convertible device working on laptop mode, tests keyboard/mouse event
-// when screen is off.
-TEST_F(TabletPowerButtonControllerTest, ConvertibleOnLaptopMode) {
-  EnableMaximizeMode(false);
-
-  // KeyEvent should SetBacklightsForcedOff(false).
-  PressPowerButton();
-  ReleasePowerButton();
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-  generator_->PressKey(ui::VKEY_L, ui::EF_NONE);
-  power_manager_client_->SendBrightnessChanged(kNonZeroBrightness, false);
-  EXPECT_FALSE(GetBacklightsForcedOff());
-
-  // Regular mouse event should SetBacklightsForcedOff(false).
-  PressPowerButton();
-  ReleasePowerButton();
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-  generator_->MoveMouseBy(1, 1);
-  power_manager_client_->SendBrightnessChanged(kNonZeroBrightness, false);
-  EXPECT_FALSE(GetBacklightsForcedOff());
-
-  // Synthesized mouse event should not SetBacklightsForcedOff(false).
-  PressPowerButton();
-  ReleasePowerButton();
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-  generator_->set_flags(ui::EF_IS_SYNTHESIZED);
-  generator_->MoveMouseBy(1, 1);
-  generator_->set_flags(ui::EF_NONE);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-}
-
-// For convertible device working on tablet mode, keyboard/mouse event should
-// not SetBacklightsForcedOff(false) when screen is off.
-TEST_F(TabletPowerButtonControllerTest, ConvertibleOnMaximizeMode) {
-  EnableMaximizeMode(true);
-
-  PressPowerButton();
-  ReleasePowerButton();
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-  generator_->PressKey(ui::VKEY_L, ui::EF_NONE);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-
-  generator_->MoveMouseBy(1, 1);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-}
-
-// Tests that a single set of power button pressed-and-released operation should
-// cause only one SetBacklightsForcedOff call.
-TEST_F(TabletPowerButtonControllerTest, IgnorePowerOnKeyEvent) {
-  ui::KeyEvent power_key_pressed(ui::ET_KEY_PRESSED, ui::VKEY_POWER,
-                                 ui::EF_NONE);
-  ui::KeyEvent power_key_released(ui::ET_KEY_RELEASED, ui::VKEY_POWER,
-                                  ui::EF_NONE);
-
-  // There are two |power_key_pressed| events and |power_key_released| events
-  // generated for each pressing and releasing, and multiple repeating pressed
-  // events depending on holding.
-  tablet_controller_->OnKeyEvent(&power_key_pressed);
-  tablet_controller_->OnKeyEvent(&power_key_pressed);
-  PressPowerButton();
-  tablet_controller_->OnKeyEvent(&power_key_pressed);
-  tablet_controller_->OnKeyEvent(&power_key_pressed);
-  tablet_controller_->OnKeyEvent(&power_key_pressed);
-  ReleasePowerButton();
-  tablet_controller_->OnKeyEvent(&power_key_released);
-  tablet_controller_->OnKeyEvent(&power_key_released);
-  EXPECT_EQ(1, power_manager_client_->num_set_backlights_forced_off_calls());
-}
-
-// Tests that under (1) tablet power button pressed/released, (2) keyboard/mouse
-// events on laptop mode when screen is off, requesting/stopping backlights
-// forced off should also set corresponding touch screen state in local pref.
-TEST_F(TabletPowerButtonControllerTest, TouchScreenState) {
-  // Tests tablet power button.
-  EXPECT_TRUE(shell_delegate_->IsTouchscreenEnabledInPrefs(true));
-  PressPowerButton();
-  ReleasePowerButton();
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_FALSE(shell_delegate_->IsTouchscreenEnabledInPrefs(true));
-
-  PressPowerButton();
-  power_manager_client_->SendBrightnessChanged(kNonZeroBrightness, false);
-  ReleasePowerButton();
-  EXPECT_TRUE(shell_delegate_->IsTouchscreenEnabledInPrefs(true));
-
-  EnableMaximizeMode(false);
-  // KeyEvent on laptop mode when screen is off.
-  PressPowerButton();
-  ReleasePowerButton();
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-  EXPECT_FALSE(shell_delegate_->IsTouchscreenEnabledInPrefs(true));
-  generator_->PressKey(ui::VKEY_L, ui::EF_NONE);
-  power_manager_client_->SendBrightnessChanged(kNonZeroBrightness, false);
-  EXPECT_TRUE(shell_delegate_->IsTouchscreenEnabledInPrefs(true));
-
-  // MouseEvent on laptop mode when screen is off.
-  PressPowerButton();
-  ReleasePowerButton();
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-  EXPECT_FALSE(shell_delegate_->IsTouchscreenEnabledInPrefs(true));
-  generator_->MoveMouseBy(1, 1);
-  power_manager_client_->SendBrightnessChanged(kNonZeroBrightness, false);
-  EXPECT_TRUE(shell_delegate_->IsTouchscreenEnabledInPrefs(true));
-}
-
-// When user switches convertible device between laptop mode and tablet mode,
-// power button may be pressed and held, which may cause unwanted shutdown.
-TEST_F(TabletPowerButtonControllerTest,
-       EnterOrLeaveMaximizeModeWhilePressingPowerButton) {
-  Initialize(LoginStatus::USER);
-  SetShouldLockScreenAutomatically(true);
-  EXPECT_FALSE(GetLockedState());
-
-  power_manager_client_->SendPowerButtonEvent(true, tick_clock_->NowTicks());
-  EXPECT_TRUE(test_api_->ShutdownTimerIsRunning());
-  tablet_controller_->OnMaximizeModeStarted();
-  EXPECT_FALSE(test_api_->ShutdownTimerIsRunning());
-  tick_clock_->Advance(base::TimeDelta::FromMilliseconds(1500));
-  power_manager_client_->SendPowerButtonEvent(false, tick_clock_->NowTicks());
-  EXPECT_FALSE(GetLockedState());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-
-  power_manager_client_->SendPowerButtonEvent(true, tick_clock_->NowTicks());
-  test_api_->TriggerShutdownTimeout();
-  EXPECT_TRUE(lock_state_test_api_->shutdown_timer_is_running());
-  tablet_controller_->OnMaximizeModeStarted();
-  EXPECT_FALSE(lock_state_test_api_->shutdown_timer_is_running());
-  tick_clock_->Advance(base::TimeDelta::FromMilliseconds(2500));
-  power_manager_client_->SendPowerButtonEvent(false, tick_clock_->NowTicks());
-  EXPECT_FALSE(GetLockedState());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-
-  power_manager_client_->SendPowerButtonEvent(true, tick_clock_->NowTicks());
-  EXPECT_TRUE(test_api_->ShutdownTimerIsRunning());
-  tablet_controller_->OnMaximizeModeEnded();
-  EXPECT_FALSE(test_api_->ShutdownTimerIsRunning());
-  tick_clock_->Advance(base::TimeDelta::FromMilliseconds(3500));
-  power_manager_client_->SendPowerButtonEvent(false, tick_clock_->NowTicks());
-  EXPECT_FALSE(GetLockedState());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-
-  power_manager_client_->SendPowerButtonEvent(true, tick_clock_->NowTicks());
-  test_api_->TriggerShutdownTimeout();
-  EXPECT_TRUE(lock_state_test_api_->shutdown_timer_is_running());
-  tablet_controller_->OnMaximizeModeEnded();
-  EXPECT_FALSE(lock_state_test_api_->shutdown_timer_is_running());
-  tick_clock_->Advance(base::TimeDelta::FromMilliseconds(4500));
-  power_manager_client_->SendPowerButtonEvent(false, tick_clock_->NowTicks());
-  EXPECT_FALSE(GetLockedState());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-}
-
-// Tests that repeated power button releases are ignored (crbug.com/675291).
-TEST_F(TabletPowerButtonControllerTest, IgnoreRepeatedPowerButtonReleases) {
-  // Advance a long duration from initialized last resume time in
-  // |tablet_controller_| to avoid cross interference.
-  tick_clock_->Advance(base::TimeDelta::FromMilliseconds(2000));
-
-  // Set backlights forced off for starting point.
-  PressPowerButton();
-  ReleasePowerButton();
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-
-  // Test that a pressing-releasing operation after a short duration, backlights
-  // forced off is stopped since we don't drop request for power button pressed.
-  tick_clock_->Advance(base::TimeDelta::FromMilliseconds(200));
-  power_manager_client_->SendPowerButtonEvent(true, tick_clock_->NowTicks());
-  power_manager_client_->SendBrightnessChanged(kNonZeroBrightness, false);
-  power_manager_client_->SendPowerButtonEvent(false, tick_clock_->NowTicks());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-
-  // Test that after another short duration, backlights will not be forced off
-  // since this immediately following forcing off request needs to be dropped.
-  tick_clock_->Advance(base::TimeDelta::FromMilliseconds(200));
-  power_manager_client_->SendPowerButtonEvent(true, tick_clock_->NowTicks());
-  power_manager_client_->SendPowerButtonEvent(false, tick_clock_->NowTicks());
-  EXPECT_FALSE(GetBacklightsForcedOff());
-
-  // Test that after another long duration, backlights should be forced off.
-  tick_clock_->Advance(base::TimeDelta::FromMilliseconds(800));
-  power_manager_client_->SendPowerButtonEvent(true, tick_clock_->NowTicks());
-  power_manager_client_->SendPowerButtonEvent(false, tick_clock_->NowTicks());
-  power_manager_client_->SendBrightnessChanged(0, false);
-  EXPECT_TRUE(GetBacklightsForcedOff());
-}
-
-}  // namespace test
-}  // namespace ash