ash/shell_unittest.cc

   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 "ash/shell.h"
   6
   7 #include <algorithm>
   8 #include <vector>
   9
  10 #include "ash/ash_switches.h"
  11 #include "ash/desktop_background/desktop_background_widget_controller.h"
  12 #include "ash/display/mouse_cursor_event_filter.h"
  13 #include "ash/drag_drop/drag_drop_controller.h"
  14 #include "ash/root_window_controller.h"
  15 #include "ash/session/session_state_delegate.h"
  16 #include "ash/shelf/shelf.h"
  17 #include "ash/shelf/shelf_layout_manager.h"
  18 #include "ash/shelf/shelf_widget.h"
  19 #include "ash/shell_delegate.h"
  20 #include "ash/shell_window_ids.h"
  21 #include "ash/test/ash_test_base.h"
  22 #include "ash/test/shell_test_api.h"
  23 #include "ash/wm/root_window_layout_manager.h"
  24 #include "ash/wm/window_util.h"
  25 #include "base/strings/utf_string_conversions.h"
  26 #include "ui/aura/client/aura_constants.h"
  27 #include "ui/aura/env.h"
  28 #include "ui/aura/test/event_generator.h"
  29 #include "ui/aura/window.h"
  30 #include "ui/aura/window_event_dispatcher.h"
  31 #include "ui/base/models/simple_menu_model.h"
  32 #include "ui/events/test/events_test_utils.h"
  33 #include "ui/events/test/test_event_handler.h"
  34 #include "ui/gfx/size.h"
  35 #include "ui/views/controls/menu/menu_controller.h"
  36 #include "ui/views/controls/menu/menu_runner.h"
  37 #include "ui/views/widget/widget.h"
  38 #include "ui/views/widget/widget_delegate.h"
  39 #include "ui/views/window/dialog_delegate.h"
  40
  41 using aura::RootWindow;
  42
  43 namespace ash {
  44
  45 namespace {
  46
  47 aura::Window* GetDefaultContainer() {
  48   return Shell::GetContainer(Shell::GetPrimaryRootWindow(),
  49                              kShellWindowId_DefaultContainer);
  50 }
  51
  52 aura::Window* GetAlwaysOnTopContainer() {
  53   return Shell::GetContainer(Shell::GetPrimaryRootWindow(),
  54                              kShellWindowId_AlwaysOnTopContainer);
  55 }
  56
  57 // Expect ALL the containers!
  58 void ExpectAllContainers() {
  59   aura::Window* root_window = Shell::GetPrimaryRootWindow();
  60   EXPECT_TRUE(Shell::GetContainer(root_window,
  61                                   kShellWindowId_DesktopBackgroundContainer));
  62   EXPECT_TRUE(
  63       Shell::GetContainer(root_window, kShellWindowId_DefaultContainer));
  64   EXPECT_TRUE(
  65       Shell::GetContainer(root_window, kShellWindowId_AlwaysOnTopContainer));
  66   EXPECT_TRUE(Shell::GetContainer(root_window, kShellWindowId_PanelContainer));
  67   EXPECT_TRUE(Shell::GetContainer(root_window, kShellWindowId_ShelfContainer));
  68   EXPECT_TRUE(
  69       Shell::GetContainer(root_window, kShellWindowId_SystemModalContainer));
  70   EXPECT_TRUE(Shell::GetContainer(
  71       root_window, kShellWindowId_LockScreenBackgroundContainer));
  72   EXPECT_TRUE(
  73       Shell::GetContainer(root_window, kShellWindowId_LockScreenContainer));
  74   EXPECT_TRUE(Shell::GetContainer(root_window,
  75                                   kShellWindowId_LockSystemModalContainer));
  76   EXPECT_TRUE(Shell::GetContainer(root_window, kShellWindowId_StatusContainer));
  77   EXPECT_TRUE(Shell::GetContainer(root_window, kShellWindowId_MenuContainer));
  78   EXPECT_TRUE(Shell::GetContainer(root_window,
  79                                   kShellWindowId_DragImageAndTooltipContainer));
  80   EXPECT_TRUE(
  81       Shell::GetContainer(root_window, kShellWindowId_SettingBubbleContainer));
  82   EXPECT_TRUE(
  83       Shell::GetContainer(root_window, kShellWindowId_OverlayContainer));
  84   EXPECT_TRUE(Shell::GetContainer(
  85       root_window, kShellWindowId_VirtualKeyboardParentContainer));
  86 #if defined(OS_CHROMEOS)
  87   EXPECT_TRUE(
  88       Shell::GetContainer(root_window, kShellWindowId_MouseCursorContainer));
  89 #endif
  90 }
  91
  92 class ModalWindow : public views::WidgetDelegateView {
  93  public:
  94   ModalWindow() {}
  95   virtual ~ModalWindow() {}
  96
  97   // Overridden from views::WidgetDelegate:
  98   virtual views::View* GetContentsView() OVERRIDE {
  99     return this;
 100   }
 101   virtual bool CanResize() const OVERRIDE {
 102     return true;
 103   }
 104   virtual base::string16 GetWindowTitle() const OVERRIDE {
 105     return base::ASCIIToUTF16("Modal Window");
 106   }
 107   virtual ui::ModalType GetModalType() const OVERRIDE {
 108     return ui::MODAL_TYPE_SYSTEM;
 109   }
 110
 111  private:
 112   DISALLOW_COPY_AND_ASSIGN(ModalWindow);
 113 };
 114
 115 class SimpleMenuDelegate : public ui::SimpleMenuModel::Delegate {
 116  public:
 117   SimpleMenuDelegate() {}
 118   virtual ~SimpleMenuDelegate() {}
 119
 120   virtual bool IsCommandIdChecked(int command_id) const OVERRIDE {
 121     return false;
 122   }
 123
 124   virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE {
 125     return true;
 126   }
 127
 128   virtual bool GetAcceleratorForCommandId(
 129       int command_id,
 130       ui::Accelerator* accelerator) OVERRIDE {
 131     return false;
 132   }
 133
 134   virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE {
 135   }
 136
 137  private:
 138   DISALLOW_COPY_AND_ASSIGN(SimpleMenuDelegate);
 139 };
 140
 141 }  // namespace
 142
 143 class ShellTest : public test::AshTestBase {
 144  public:
 145   views::Widget* CreateTestWindow(views::Widget::InitParams params) {
 146     views::Widget* widget = new views::Widget;
 147     params.context = CurrentContext();
 148     widget->Init(params);
 149     return widget;
 150   }
 151
 152   void TestCreateWindow(views::Widget::InitParams::Type type,
 153                         bool always_on_top,
 154                         aura::Window* expected_container) {
 155     views::Widget::InitParams widget_params(type);
 156     widget_params.keep_on_top = always_on_top;
 157
 158     views::Widget* widget = CreateTestWindow(widget_params);
 159     widget->Show();
 160
 161     EXPECT_TRUE(
 162         expected_container->Contains(widget->GetNativeWindow()->parent())) <<
 163         "TestCreateWindow: type=" << type << ", always_on_top=" <<
 164         always_on_top;
 165
 166     widget->Close();
 167   }
 168
 169   void LockScreenAndVerifyMenuClosed() {
 170     // Verify a menu is open before locking.
 171     views::MenuController* menu_controller =
 172         views::MenuController::GetActiveInstance();
 173     DCHECK(menu_controller);
 174     EXPECT_EQ(views::MenuController::EXIT_NONE, menu_controller->exit_type());
 175
 176     // Create a LockScreen window.
 177     views::Widget::InitParams widget_params(
 178         views::Widget::InitParams::TYPE_WINDOW);
 179     SessionStateDelegate* delegate =
 180         Shell::GetInstance()->session_state_delegate();
 181     delegate->LockScreen();
 182     views::Widget* lock_widget = CreateTestWindow(widget_params);
 183     ash::Shell::GetContainer(Shell::GetPrimaryRootWindow(),
 184                              ash::kShellWindowId_LockScreenContainer)
 185         ->AddChild(lock_widget->GetNativeView());
 186     lock_widget->Show();
 187     EXPECT_TRUE(delegate->IsScreenLocked());
 188     EXPECT_TRUE(lock_widget->GetNativeView()->HasFocus());
 189
 190     // Verify menu is closed.
 191     EXPECT_NE(views::MenuController::EXIT_NONE, menu_controller->exit_type());
 192     lock_widget->Close();
 193     delegate->UnlockScreen();
 194
 195     // In case the menu wasn't closed, cancel the menu to exit the nested menu
 196     // run loop so that the test will not time out.
 197     menu_controller->CancelAll();
 198   }
 199 };
 200
 201 TEST_F(ShellTest, CreateWindow) {
 202   // Normal window should be created in default container.
 203   TestCreateWindow(views::Widget::InitParams::TYPE_WINDOW,
 204                    false,  // always_on_top
 205                    GetDefaultContainer());
 206   TestCreateWindow(views::Widget::InitParams::TYPE_POPUP,
 207                    false,  // always_on_top
 208                    GetDefaultContainer());
 209
 210   // Always-on-top window and popup are created in always-on-top container.
 211   TestCreateWindow(views::Widget::InitParams::TYPE_WINDOW,
 212                    true,  // always_on_top
 213                    GetAlwaysOnTopContainer());
 214   TestCreateWindow(views::Widget::InitParams::TYPE_POPUP,
 215                    true,  // always_on_top
 216                    GetAlwaysOnTopContainer());
 217 }
 218
 219 TEST_F(ShellTest, ChangeAlwaysOnTop) {
 220   views::Widget::InitParams widget_params(
 221       views::Widget::InitParams::TYPE_WINDOW);
 222
 223   // Creates a normal window
 224   views::Widget* widget = CreateTestWindow(widget_params);
 225   widget->Show();
 226
 227   // It should be in default container.
 228   EXPECT_TRUE(GetDefaultContainer()->Contains(
 229                   widget->GetNativeWindow()->parent()));
 230
 231   // Flip always-on-top flag.
 232   widget->SetAlwaysOnTop(true);
 233   // And it should in always on top container now.
 234   EXPECT_EQ(GetAlwaysOnTopContainer(), widget->GetNativeWindow()->parent());
 235
 236   // Flip always-on-top flag.
 237   widget->SetAlwaysOnTop(false);
 238   // It should go back to default container.
 239   EXPECT_TRUE(GetDefaultContainer()->Contains(
 240                   widget->GetNativeWindow()->parent()));
 241
 242   // Set the same always-on-top flag again.
 243   widget->SetAlwaysOnTop(false);
 244   // Should have no effect and we are still in the default container.
 245   EXPECT_TRUE(GetDefaultContainer()->Contains(
 246                   widget->GetNativeWindow()->parent()));
 247
 248   widget->Close();
 249 }
 250
 251 TEST_F(ShellTest, CreateModalWindow) {
 252   views::Widget::InitParams widget_params(
 253       views::Widget::InitParams::TYPE_WINDOW);
 254
 255   // Create a normal window.
 256   views::Widget* widget = CreateTestWindow(widget_params);
 257   widget->Show();
 258
 259   // It should be in default container.
 260   EXPECT_TRUE(GetDefaultContainer()->Contains(
 261                   widget->GetNativeWindow()->parent()));
 262
 263   // Create a modal window.
 264   views::Widget* modal_widget = views::Widget::CreateWindowWithParent(
 265       new ModalWindow(), widget->GetNativeView());
 266   modal_widget->Show();
 267
 268   // It should be in modal container.
 269   aura::Window* modal_container = Shell::GetContainer(
 270       Shell::GetPrimaryRootWindow(), kShellWindowId_SystemModalContainer);
 271   EXPECT_EQ(modal_container, modal_widget->GetNativeWindow()->parent());
 272
 273   modal_widget->Close();
 274   widget->Close();
 275 }
 276
 277 class TestModalDialogDelegate : public views::DialogDelegateView {
 278  public:
 279   TestModalDialogDelegate() {}
 280
 281   // Overridden from views::WidgetDelegate:
 282   virtual ui::ModalType GetModalType() const OVERRIDE {
 283     return ui::MODAL_TYPE_SYSTEM;
 284   }
 285 };
 286
 287 TEST_F(ShellTest, CreateLockScreenModalWindow) {
 288   views::Widget::InitParams widget_params(
 289       views::Widget::InitParams::TYPE_WINDOW);
 290
 291   // Create a normal window.
 292   views::Widget* widget = CreateTestWindow(widget_params);
 293   widget->Show();
 294   EXPECT_TRUE(widget->GetNativeView()->HasFocus());
 295
 296   // It should be in default container.
 297   EXPECT_TRUE(GetDefaultContainer()->Contains(
 298                   widget->GetNativeWindow()->parent()));
 299
 300   Shell::GetInstance()->session_state_delegate()->LockScreen();
 301   // Create a LockScreen window.
 302   views::Widget* lock_widget = CreateTestWindow(widget_params);
 303   ash::Shell::GetContainer(Shell::GetPrimaryRootWindow(),
 304                            ash::kShellWindowId_LockScreenContainer)
 305       ->AddChild(lock_widget->GetNativeView());
 306   lock_widget->Show();
 307   EXPECT_TRUE(lock_widget->GetNativeView()->HasFocus());
 308
 309   // It should be in LockScreen container.
 310   aura::Window* lock_screen = Shell::GetContainer(
 311       Shell::GetPrimaryRootWindow(), ash::kShellWindowId_LockScreenContainer);
 312   EXPECT_EQ(lock_screen, lock_widget->GetNativeWindow()->parent());
 313
 314   // Create a modal window with a lock window as parent.
 315   views::Widget* lock_modal_widget = views::Widget::CreateWindowWithParent(
 316       new ModalWindow(), lock_widget->GetNativeView());
 317   lock_modal_widget->Show();
 318   EXPECT_TRUE(lock_modal_widget->GetNativeView()->HasFocus());
 319
 320   // It should be in LockScreen modal container.
 321   aura::Window* lock_modal_container =
 322       Shell::GetContainer(Shell::GetPrimaryRootWindow(),
 323                           ash::kShellWindowId_LockSystemModalContainer);
 324   EXPECT_EQ(lock_modal_container,
 325             lock_modal_widget->GetNativeWindow()->parent());
 326
 327   // Create a modal window with a normal window as parent.
 328   views::Widget* modal_widget = views::Widget::CreateWindowWithParent(
 329       new ModalWindow(), widget->GetNativeView());
 330   modal_widget->Show();
 331   // Window on lock screen shouldn't lost focus.
 332   EXPECT_FALSE(modal_widget->GetNativeView()->HasFocus());
 333   EXPECT_TRUE(lock_modal_widget->GetNativeView()->HasFocus());
 334
 335   // It should be in non-LockScreen modal container.
 336   aura::Window* modal_container = Shell::GetContainer(
 337       Shell::GetPrimaryRootWindow(), ash::kShellWindowId_SystemModalContainer);
 338   EXPECT_EQ(modal_container, modal_widget->GetNativeWindow()->parent());
 339
 340   // Modal dialog without parent, caused crash see crbug.com/226141
 341   views::Widget* modal_dialog = views::DialogDelegate::CreateDialogWidget(
 342       new TestModalDialogDelegate(), CurrentContext(), NULL);
 343
 344   modal_dialog->Show();
 345   EXPECT_FALSE(modal_dialog->GetNativeView()->HasFocus());
 346   EXPECT_TRUE(lock_modal_widget->GetNativeView()->HasFocus());
 347
 348   modal_dialog->Close();
 349   modal_widget->Close();
 350   modal_widget->Close();
 351   lock_modal_widget->Close();
 352   lock_widget->Close();
 353   widget->Close();
 354 }
 355
 356 TEST_F(ShellTest, IsScreenLocked) {
 357   SessionStateDelegate* delegate =
 358       Shell::GetInstance()->session_state_delegate();
 359   delegate->LockScreen();
 360   EXPECT_TRUE(delegate->IsScreenLocked());
 361   delegate->UnlockScreen();
 362   EXPECT_FALSE(delegate->IsScreenLocked());
 363 }
 364
 365 TEST_F(ShellTest, LockScreenClosesActiveMenu) {
 366   SimpleMenuDelegate menu_delegate;
 367   scoped_ptr<ui::SimpleMenuModel> menu_model(
 368       new ui::SimpleMenuModel(&menu_delegate));
 369   menu_model->AddItem(0, base::ASCIIToUTF16("Menu item"));
 370   views::Widget* widget = ash::Shell::GetPrimaryRootWindowController()->
 371       wallpaper_controller()->widget();
 372   scoped_ptr<views::MenuRunner> menu_runner(
 373       new views::MenuRunner(menu_model.get()));
 374
 375   // When MenuRunner runs a nested loop the LockScreenAndVerifyMenuClosed
 376   // command will fire, check the menu state and ensure the nested menu loop
 377   // is exited so that the test will terminate.
 378   base::MessageLoopForUI::current()->PostTask(FROM_HERE,
 379       base::Bind(&ShellTest::LockScreenAndVerifyMenuClosed,
 380                  base::Unretained(this)));
 381
 382   EXPECT_EQ(views::MenuRunner::NORMAL_EXIT,
 383       menu_runner->RunMenuAt(widget, NULL, gfx::Rect(),
 384         views::MenuItemView::TOPLEFT, ui::MENU_SOURCE_MOUSE,
 385         views::MenuRunner::CONTEXT_MENU));
 386 }
 387
 388 TEST_F(ShellTest, ManagedWindowModeBasics) {
 389   // We start with the usual window containers.
 390   ExpectAllContainers();
 391   // Shelf is visible.
 392   ShelfWidget* shelf_widget = Shelf::ForPrimaryDisplay()->shelf_widget();
 393   EXPECT_TRUE(shelf_widget->IsVisible());
 394   // Shelf is at bottom-left of screen.
 395   EXPECT_EQ(0, shelf_widget->GetWindowBoundsInScreen().x());
 396   EXPECT_EQ(Shell::GetPrimaryRootWindow()->GetHost()->GetBounds().height(),
 397             shelf_widget->GetWindowBoundsInScreen().bottom());
 398   // We have a desktop background but not a bare layer.
 399   // TODO (antrim): enable once we find out why it fails component build.
 400   //  DesktopBackgroundWidgetController* background =
 401   //      Shell::GetPrimaryRootWindow()->
 402   //          GetProperty(kWindowDesktopComponent);
 403   //  EXPECT_TRUE(background);
 404   //  EXPECT_TRUE(background->widget());
 405   //  EXPECT_FALSE(background->layer());
 406
 407   // Create a normal window.  It is not maximized.
 408   views::Widget::InitParams widget_params(
 409       views::Widget::InitParams::TYPE_WINDOW);
 410   widget_params.bounds.SetRect(11, 22, 300, 400);
 411   views::Widget* widget = CreateTestWindow(widget_params);
 412   widget->Show();
 413   EXPECT_FALSE(widget->IsMaximized());
 414
 415   // Clean up.
 416   widget->Close();
 417 }
 418
 419 TEST_F(ShellTest, FullscreenWindowHidesShelf) {
 420   ExpectAllContainers();
 421
 422   // Create a normal window.  It is not maximized.
 423   views::Widget::InitParams widget_params(
 424       views::Widget::InitParams::TYPE_WINDOW);
 425   widget_params.bounds.SetRect(11, 22, 300, 400);
 426   views::Widget* widget = CreateTestWindow(widget_params);
 427   widget->Show();
 428   EXPECT_FALSE(widget->IsMaximized());
 429
 430   // Shelf defaults to visible.
 431   EXPECT_EQ(
 432       SHELF_VISIBLE,
 433       Shell::GetPrimaryRootWindowController()->
 434           GetShelfLayoutManager()->visibility_state());
 435
 436   // Fullscreen window hides it.
 437   widget->SetFullscreen(true);
 438   EXPECT_EQ(
 439       SHELF_HIDDEN,
 440       Shell::GetPrimaryRootWindowController()->
 441           GetShelfLayoutManager()->visibility_state());
 442
 443   // Restoring the window restores it.
 444   widget->Restore();
 445   EXPECT_EQ(
 446       SHELF_VISIBLE,
 447       Shell::GetPrimaryRootWindowController()->
 448           GetShelfLayoutManager()->visibility_state());
 449
 450   // Clean up.
 451   widget->Close();
 452 }
 453
 454 // Various assertions around SetShelfAutoHideBehavior() and
 455 // GetShelfAutoHideBehavior().
 456 TEST_F(ShellTest, ToggleAutoHide) {
 457   scoped_ptr<aura::Window> window(new aura::Window(NULL));
 458   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
 459   window->SetType(ui::wm::WINDOW_TYPE_NORMAL);
 460   window->Init(aura::WINDOW_LAYER_TEXTURED);
 461   ParentWindowInPrimaryRootWindow(window.get());
 462   window->Show();
 463   wm::ActivateWindow(window.get());
 464
 465   Shell* shell = Shell::GetInstance();
 466   aura::Window* root_window = Shell::GetPrimaryRootWindow();
 467   shell->SetShelfAutoHideBehavior(ash::SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS,
 468                                   root_window);
 469   EXPECT_EQ(ash::SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS,
 470             shell->GetShelfAutoHideBehavior(root_window));
 471   shell->SetShelfAutoHideBehavior(ash::SHELF_AUTO_HIDE_BEHAVIOR_NEVER,
 472                                   root_window);
 473   EXPECT_EQ(ash::SHELF_AUTO_HIDE_BEHAVIOR_NEVER,
 474             shell->GetShelfAutoHideBehavior(root_window));
 475   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
 476   EXPECT_EQ(ash::SHELF_AUTO_HIDE_BEHAVIOR_NEVER,
 477             shell->GetShelfAutoHideBehavior(root_window));
 478   shell->SetShelfAutoHideBehavior(ash::SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS,
 479                                   root_window);
 480   EXPECT_EQ(ash::SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS,
 481             shell->GetShelfAutoHideBehavior(root_window));
 482   shell->SetShelfAutoHideBehavior(ash::SHELF_AUTO_HIDE_BEHAVIOR_NEVER,
 483                                   root_window);
 484   EXPECT_EQ(ash::SHELF_AUTO_HIDE_BEHAVIOR_NEVER,
 485             shell->GetShelfAutoHideBehavior(root_window));
 486 }
 487
 488 // Tests that the cursor-filter is ahead of the drag-drop controller in the
 489 // pre-target list.
 490 TEST_F(ShellTest, TestPreTargetHandlerOrder) {
 491   Shell* shell = Shell::GetInstance();
 492   ui::EventTargetTestApi test_api(shell);
 493   test::ShellTestApi shell_test_api(shell);
 494
 495   const ui::EventHandlerList& handlers = test_api.pre_target_handlers();
 496   ui::EventHandlerList::const_iterator cursor_filter =
 497       std::find(handlers.begin(), handlers.end(), shell->mouse_cursor_filter());
 498   ui::EventHandlerList::const_iterator drag_drop =
 499       std::find(handlers.begin(), handlers.end(),
 500                 shell_test_api.drag_drop_controller());
 501   EXPECT_NE(handlers.end(), cursor_filter);
 502   EXPECT_NE(handlers.end(), drag_drop);
 503   EXPECT_GT(drag_drop, cursor_filter);
 504 }
 505
 506 // Verifies an EventHandler added to Env gets notified from EventGenerator.
 507 TEST_F(ShellTest, EnvPreTargetHandler) {
 508   ui::test::TestEventHandler event_handler;
 509   aura::Env::GetInstance()->AddPreTargetHandler(&event_handler);
 510   aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
 511   generator.MoveMouseBy(1, 1);
 512   EXPECT_NE(0, event_handler.num_mouse_events());
 513   aura::Env::GetInstance()->RemovePreTargetHandler(&event_handler);
 514 }
 515
 516 // This verifies WindowObservers are removed when a window is destroyed after
 517 // the Shell is destroyed. This scenario (aura::Windows being deleted after the
 518 // Shell) occurs if someone is holding a reference to an unparented Window, as
 519 // is the case with a RenderWidgetHostViewAura that isn't on screen. As long as
 520 // everything is ok, we won't crash. If there is a bug, window's destructor will
 521 // notify some deleted object (say VideoDetector or ActivationController) and
 522 // this will crash.
 523 class ShellTest2 : public test::AshTestBase {
 524  public:
 525   ShellTest2() {}
 526   virtual ~ShellTest2() {}
 527
 528  protected:
 529   scoped_ptr<aura::Window> window_;
 530
 531  private:
 532   DISALLOW_COPY_AND_ASSIGN(ShellTest2);
 533 };
 534
 535 TEST_F(ShellTest2, DontCrashWhenWindowDeleted) {
 536   window_.reset(new aura::Window(NULL));
 537   window_->Init(aura::WINDOW_LAYER_NOT_DRAWN);
 538 }
 539
 540 }  // namespace ash