ash/wm/window_cycle_controller_unittest.cc

   1 // Copyright 2014 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/wm/window_cycle_controller.h"
   6
   7 #include <algorithm>
   8
   9 #include "ash/session/session_state_delegate.h"
  10 #include "ash/shelf/shelf.h"
  11 #include "ash/shelf/shelf_widget.h"
  12 #include "ash/shell.h"
  13 #include "ash/shell_window_ids.h"
  14 #include "ash/test/ash_test_base.h"
  15 #include "ash/test/shelf_test_api.h"
  16 #include "ash/test/shelf_view_test_api.h"
  17 #include "ash/test/test_shelf_delegate.h"
  18 #include "ash/test/test_shell_delegate.h"
  19 #include "ash/wm/window_cycle_list.h"
  20 #include "ash/wm/window_state.h"
  21 #include "ash/wm/window_util.h"
  22 #include "base/memory/scoped_ptr.h"
  23 #include "ui/aura/client/aura_constants.h"
  24 #include "ui/aura/client/screen_position_client.h"
  25 #include "ui/aura/env.h"
  26 #include "ui/aura/test/test_windows.h"
  27 #include "ui/aura/window.h"
  28 #include "ui/aura/window_event_dispatcher.h"
  29 #include "ui/gfx/geometry/rect.h"
  30 #include "ui/gfx/screen.h"
  31
  32 namespace ash {
  33
  34 using aura::test::CreateTestWindowWithId;
  35 using aura::test::TestWindowDelegate;
  36 using aura::Window;
  37
  38 class WindowCycleControllerTest : public test::AshTestBase {
  39  public:
  40   WindowCycleControllerTest() {}
  41   ~WindowCycleControllerTest() override {}
  42
  43   void SetUp() override {
  44     test::AshTestBase::SetUp();
  45     ASSERT_TRUE(test::TestShelfDelegate::instance());
  46
  47     shelf_view_test_.reset(new test::ShelfViewTestAPI(
  48         test::ShelfTestAPI(Shelf::ForPrimaryDisplay()).shelf_view()));
  49     shelf_view_test_->SetAnimationDuration(1);
  50   }
  51
  52   aura::Window* CreatePanelWindow() {
  53     gfx::Rect rect(100, 100);
  54     aura::Window* window = CreateTestWindowInShellWithDelegateAndType(
  55         NULL, ui::wm::WINDOW_TYPE_PANEL, 0, rect);
  56     test::TestShelfDelegate::instance()->AddShelfItem(window);
  57     shelf_view_test_->RunMessageLoopUntilAnimationsDone();
  58     return window;
  59   }
  60
  61   const WindowCycleList::WindowList& GetWindows(
  62       WindowCycleController* controller) {
  63     return controller->window_cycle_list()->windows();
  64   }
  65
  66  private:
  67   scoped_ptr<test::ShelfViewTestAPI> shelf_view_test_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(WindowCycleControllerTest);
  70 };
  71
  72 TEST_F(WindowCycleControllerTest, HandleCycleWindowBaseCases) {
  73   WindowCycleController* controller =
  74       Shell::GetInstance()->window_cycle_controller();
  75
  76   // Cycling doesn't crash if there are no windows.
  77   controller->HandleCycleWindow(WindowCycleController::FORWARD);
  78
  79   // Create a single test window.
  80   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
  81   wm::ActivateWindow(window0.get());
  82   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
  83
  84   // Cycling works for a single window, even though nothing changes.
  85   controller->HandleCycleWindow(WindowCycleController::FORWARD);
  86   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
  87 }
  88
  89 // Verifies if there is only one window and it isn't active that cycling
  90 // activates it.
  91 TEST_F(WindowCycleControllerTest, SingleWindowNotActive) {
  92   WindowCycleController* controller =
  93       Shell::GetInstance()->window_cycle_controller();
  94
  95   // Create a single test window.
  96   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
  97   wm::ActivateWindow(window0.get());
  98   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
  99
 100   // Rotate focus, this should move focus to another window that isn't part of
 101   // the default container.
 102   Shell::GetInstance()->RotateFocus(Shell::FORWARD);
 103   EXPECT_FALSE(wm::IsActiveWindow(window0.get()));
 104
 105   // Cycling should activate the window.
 106   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 107   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 108 }
 109
 110 TEST_F(WindowCycleControllerTest, HandleCycleWindow) {
 111   WindowCycleController* controller =
 112       Shell::GetInstance()->window_cycle_controller();
 113
 114   // Set up several windows to use to test cycling.  Create them in reverse
 115   // order so they are stacked 0 over 1 over 2.
 116   scoped_ptr<Window> window2(CreateTestWindowInShellWithId(2));
 117   scoped_ptr<Window> window1(CreateTestWindowInShellWithId(1));
 118   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 119   wm::ActivateWindow(window0.get());
 120
 121   // Simulate pressing and releasing Alt-tab.
 122   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 123   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 124
 125   // Window lists should return the topmost window in front.
 126   ASSERT_TRUE(controller->window_cycle_list());
 127   ASSERT_EQ(3u, GetWindows(controller).size());
 128   ASSERT_EQ(window0.get(), GetWindows(controller)[0]);
 129   ASSERT_EQ(window1.get(), GetWindows(controller)[1]);
 130   ASSERT_EQ(window2.get(), GetWindows(controller)[2]);
 131
 132   controller->StopCycling();
 133   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 134
 135   // Pressing and releasing Alt-tab again should cycle back to the most-
 136   // recently-used window in the current child order.
 137   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 138   controller->StopCycling();
 139   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 140
 141   // Pressing Alt-tab multiple times without releasing Alt should cycle through
 142   // all the windows and wrap around.
 143   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 144   EXPECT_TRUE(controller->IsCycling());
 145   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 146
 147   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 148   EXPECT_TRUE(controller->IsCycling());
 149   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 150
 151   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 152   EXPECT_TRUE(controller->IsCycling());
 153   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 154
 155   controller->StopCycling();
 156   EXPECT_FALSE(controller->IsCycling());
 157   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 158
 159   // Reset our stacking order.
 160   wm::ActivateWindow(window2.get());
 161   wm::ActivateWindow(window1.get());
 162   wm::ActivateWindow(window0.get());
 163
 164   // Likewise we can cycle backwards through all the windows.
 165   controller->HandleCycleWindow(WindowCycleController::BACKWARD);
 166   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 167   controller->HandleCycleWindow(WindowCycleController::BACKWARD);
 168   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 169   controller->HandleCycleWindow(WindowCycleController::BACKWARD);
 170   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 171   controller->StopCycling();
 172   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 173
 174   // When the screen is locked, cycling window does not take effect.
 175   Shell::GetInstance()->session_state_delegate()->LockScreen();
 176   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 177   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 178   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 179   controller->HandleCycleWindow(WindowCycleController::BACKWARD);
 180   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 181
 182   Shell::GetInstance()->session_state_delegate()->UnlockScreen();
 183   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 184   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 185   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 186   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 187   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 188
 189   // When a modal window is active, cycling window does not take effect.
 190   aura::Window* modal_container =
 191       ash::Shell::GetContainer(
 192           Shell::GetPrimaryRootWindow(),
 193           kShellWindowId_SystemModalContainer);
 194   scoped_ptr<Window> modal_window(
 195       CreateTestWindowWithId(-2, modal_container));
 196   modal_window->SetProperty(aura::client::kModalKey, ui::MODAL_TYPE_SYSTEM);
 197   wm::ActivateWindow(modal_window.get());
 198   EXPECT_TRUE(wm::IsActiveWindow(modal_window.get()));
 199   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 200   EXPECT_TRUE(wm::IsActiveWindow(modal_window.get()));
 201   EXPECT_FALSE(wm::IsActiveWindow(window0.get()));
 202   EXPECT_FALSE(wm::IsActiveWindow(window1.get()));
 203   EXPECT_FALSE(wm::IsActiveWindow(window2.get()));
 204   controller->HandleCycleWindow(WindowCycleController::BACKWARD);
 205   EXPECT_TRUE(wm::IsActiveWindow(modal_window.get()));
 206   EXPECT_FALSE(wm::IsActiveWindow(window0.get()));
 207   EXPECT_FALSE(wm::IsActiveWindow(window1.get()));
 208   EXPECT_FALSE(wm::IsActiveWindow(window2.get()));
 209 }
 210
 211 // Cycles between a maximized and normal window.
 212 TEST_F(WindowCycleControllerTest, MaximizedWindow) {
 213   // Create a couple of test windows.
 214   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 215   scoped_ptr<Window> window1(CreateTestWindowInShellWithId(1));
 216   wm::WindowState* window1_state = wm::GetWindowState(window1.get());
 217   window1_state->Maximize();
 218   window1_state->Activate();
 219   EXPECT_TRUE(window1_state->IsActive());
 220
 221   // Rotate focus, this should move focus to window0.
 222   WindowCycleController* controller =
 223       Shell::GetInstance()->window_cycle_controller();
 224   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 225   EXPECT_TRUE(wm::GetWindowState(window0.get())->IsActive());
 226
 227   // One more time.
 228   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 229   EXPECT_TRUE(window1_state->IsActive());
 230 }
 231
 232 // Cycles to a minimized window.
 233 TEST_F(WindowCycleControllerTest, Minimized) {
 234   // Create a couple of test windows.
 235   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 236   scoped_ptr<Window> window1(CreateTestWindowInShellWithId(1));
 237   wm::WindowState* window0_state = wm::GetWindowState(window0.get());
 238   wm::WindowState* window1_state = wm::GetWindowState(window1.get());
 239
 240   window1_state->Minimize();
 241   window0_state->Activate();
 242   EXPECT_TRUE(window0_state->IsActive());
 243
 244   // Rotate focus, this should move focus to window1 and unminimize it.
 245   WindowCycleController* controller =
 246       Shell::GetInstance()->window_cycle_controller();
 247   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 248   EXPECT_FALSE(window1_state->IsMinimized());
 249   EXPECT_TRUE(window1_state->IsActive());
 250
 251   // One more time back to w0.
 252   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 253   EXPECT_TRUE(window0_state->IsActive());
 254 }
 255
 256 TEST_F(WindowCycleControllerTest, AlwaysOnTopWindow) {
 257   WindowCycleController* controller =
 258       Shell::GetInstance()->window_cycle_controller();
 259
 260   // Set up several windows to use to test cycling.
 261   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 262   scoped_ptr<Window> window1(CreateTestWindowInShellWithId(1));
 263
 264   Window* top_container =
 265       Shell::GetContainer(
 266           Shell::GetPrimaryRootWindow(),
 267           kShellWindowId_AlwaysOnTopContainer);
 268   scoped_ptr<Window> window2(CreateTestWindowWithId(2, top_container));
 269   wm::ActivateWindow(window0.get());
 270
 271   // Simulate pressing and releasing Alt-tab.
 272   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 273   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 274
 275   // Window lists should return the topmost window in front.
 276   ASSERT_TRUE(controller->window_cycle_list());
 277   ASSERT_EQ(3u, GetWindows(controller).size());
 278   EXPECT_EQ(window0.get(), GetWindows(controller)[0]);
 279   EXPECT_EQ(window2.get(), GetWindows(controller)[1]);
 280   EXPECT_EQ(window1.get(), GetWindows(controller)[2]);
 281
 282   controller->StopCycling();
 283   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 284
 285   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 286   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 287
 288   controller->StopCycling();
 289
 290   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 291   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 292
 293   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 294   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 295
 296   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 297   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 298 }
 299
 300 TEST_F(WindowCycleControllerTest, AlwaysOnTopMultiWindow) {
 301   WindowCycleController* controller =
 302       Shell::GetInstance()->window_cycle_controller();
 303
 304   // Set up several windows to use to test cycling.
 305   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 306   scoped_ptr<Window> window1(CreateTestWindowInShellWithId(1));
 307
 308   Window* top_container =
 309       Shell::GetContainer(
 310           Shell::GetPrimaryRootWindow(),
 311           kShellWindowId_AlwaysOnTopContainer);
 312   scoped_ptr<Window> window2(CreateTestWindowWithId(2, top_container));
 313   scoped_ptr<Window> window3(CreateTestWindowWithId(3, top_container));
 314   wm::ActivateWindow(window0.get());
 315
 316   // Simulate pressing and releasing Alt-tab.
 317   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 318   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 319
 320   // Window lists should return the topmost window in front.
 321   ASSERT_TRUE(controller->window_cycle_list());
 322   ASSERT_EQ(4u, GetWindows(controller).size());
 323   EXPECT_EQ(window0.get(), GetWindows(controller)[0]);
 324   EXPECT_EQ(window3.get(), GetWindows(controller)[1]);
 325   EXPECT_EQ(window2.get(), GetWindows(controller)[2]);
 326   EXPECT_EQ(window1.get(), GetWindows(controller)[3]);
 327
 328   controller->StopCycling();
 329   EXPECT_TRUE(wm::IsActiveWindow(window3.get()));
 330
 331   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 332   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 333
 334   controller->StopCycling();
 335
 336   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 337   EXPECT_TRUE(wm::IsActiveWindow(window3.get()));
 338
 339   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 340   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 341
 342   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 343   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 344
 345   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 346   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 347 }
 348
 349 TEST_F(WindowCycleControllerTest, AlwaysOnTopMultipleRootWindows) {
 350   if (!SupportsMultipleDisplays())
 351     return;
 352
 353   // Set up a second root window
 354   UpdateDisplay("1000x600,600x400");
 355   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 356   ASSERT_EQ(2U, root_windows.size());
 357
 358   WindowCycleController* controller =
 359       Shell::GetInstance()->window_cycle_controller();
 360
 361   Shell::GetInstance()->set_target_root_window(root_windows[0]);
 362
 363   // Create two windows in the primary root.
 364   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 365   EXPECT_EQ(root_windows[0], window0->GetRootWindow());
 366   Window* top_container0 =
 367       Shell::GetContainer(
 368           root_windows[0],
 369           kShellWindowId_AlwaysOnTopContainer);
 370   scoped_ptr<Window> window1(CreateTestWindowWithId(1, top_container0));
 371   EXPECT_EQ(root_windows[0], window1->GetRootWindow());
 372
 373   // And two on the secondary root.
 374   Shell::GetInstance()->set_target_root_window(root_windows[1]);
 375   scoped_ptr<Window> window2(CreateTestWindowInShellWithId(2));
 376   EXPECT_EQ(root_windows[1], window2->GetRootWindow());
 377
 378   Window* top_container1 =
 379       Shell::GetContainer(
 380           root_windows[1],
 381           kShellWindowId_AlwaysOnTopContainer);
 382   scoped_ptr<Window> window3(CreateTestWindowWithId(3, top_container1));
 383   EXPECT_EQ(root_windows[1], window3->GetRootWindow());
 384
 385   // Move the active root window to the secondary.
 386   Shell::GetInstance()->set_target_root_window(root_windows[1]);
 387
 388   wm::ActivateWindow(window2.get());
 389
 390   EXPECT_EQ(root_windows[0], window0->GetRootWindow());
 391   EXPECT_EQ(root_windows[0], window1->GetRootWindow());
 392   EXPECT_EQ(root_windows[1], window2->GetRootWindow());
 393   EXPECT_EQ(root_windows[1], window3->GetRootWindow());
 394
 395   // Simulate pressing and releasing Alt-tab.
 396   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 397   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 398
 399   // Window lists should return the topmost window in front.
 400   ASSERT_TRUE(controller->window_cycle_list());
 401   ASSERT_EQ(4u, GetWindows(controller).size());
 402   EXPECT_EQ(window2.get(), GetWindows(controller)[0]);
 403   EXPECT_EQ(window3.get(), GetWindows(controller)[1]);
 404   EXPECT_EQ(window1.get(), GetWindows(controller)[2]);
 405   EXPECT_EQ(window0.get(), GetWindows(controller)[3]);
 406
 407   controller->StopCycling();
 408   EXPECT_TRUE(wm::IsActiveWindow(window3.get()));
 409
 410   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 411   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 412
 413   controller->StopCycling();
 414
 415   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 416   EXPECT_TRUE(wm::IsActiveWindow(window3.get()));
 417
 418   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 419   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 420
 421   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 422   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 423
 424   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 425   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 426 }
 427
 428 TEST_F(WindowCycleControllerTest, MostRecentlyUsed) {
 429   WindowCycleController* controller =
 430       Shell::GetInstance()->window_cycle_controller();
 431
 432   // Set up several windows to use to test cycling.
 433   scoped_ptr<Window> window0(CreateTestWindowInShellWithId(0));
 434   scoped_ptr<Window> window1(CreateTestWindowInShellWithId(1));
 435   scoped_ptr<Window> window2(CreateTestWindowInShellWithId(2));
 436
 437   wm::ActivateWindow(window0.get());
 438
 439   // Simulate pressing and releasing Alt-tab.
 440   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 441   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 442
 443   // Window lists should return the topmost window in front.
 444   ASSERT_TRUE(controller->window_cycle_list());
 445   ASSERT_EQ(3u, GetWindows(controller).size());
 446   EXPECT_EQ(window0.get(), GetWindows(controller)[0]);
 447   EXPECT_EQ(window2.get(), GetWindows(controller)[1]);
 448   EXPECT_EQ(window1.get(), GetWindows(controller)[2]);
 449
 450   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 451   controller->StopCycling();
 452   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 453
 454
 455   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 456   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 457
 458   controller->StopCycling();
 459
 460   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 461   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 462
 463   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 464   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 465
 466   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 467   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 468 }
 469
 470 // Tests that beginning window selection hides the app list.
 471 TEST_F(WindowCycleControllerTest, SelectingHidesAppList) {
 472   WindowCycleController* controller =
 473       Shell::GetInstance()->window_cycle_controller();
 474
 475   scoped_ptr<aura::Window> window0(CreateTestWindowInShellWithId(0));
 476   scoped_ptr<aura::Window> window1(CreateTestWindowInShellWithId(1));
 477   Shell::GetInstance()->ShowAppList(NULL);
 478   EXPECT_TRUE(Shell::GetInstance()->GetAppListTargetVisibility());
 479   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 480   EXPECT_FALSE(Shell::GetInstance()->GetAppListTargetVisibility());
 481 }
 482
 483 // Tests that cycling through windows shows and minimizes windows as they
 484 // are passed.
 485 TEST_F(WindowCycleControllerTest, CyclePreservesMinimization) {
 486   WindowCycleController* controller =
 487       Shell::GetInstance()->window_cycle_controller();
 488
 489   scoped_ptr<aura::Window> window0(CreateTestWindowInShellWithId(0));
 490   scoped_ptr<aura::Window> window1(CreateTestWindowInShellWithId(1));
 491   wm::ActivateWindow(window1.get());
 492   wm::GetWindowState(window1.get())->Minimize();
 493   wm::ActivateWindow(window0.get());
 494   EXPECT_TRUE(wm::IsWindowMinimized(window1.get()));
 495
 496   // On window 2.
 497   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 498   EXPECT_FALSE(wm::IsWindowMinimized(window1.get()));
 499
 500   // Back on window 1.
 501   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 502   EXPECT_TRUE(wm::IsWindowMinimized(window1.get()));
 503
 504   controller->StopCycling();
 505
 506   EXPECT_TRUE(wm::IsWindowMinimized(window1.get()));
 507 }
 508
 509 // Tests cycles between panel and normal windows.
 510 TEST_F(WindowCycleControllerTest, CyclePanels) {
 511   WindowCycleController* controller =
 512       Shell::GetInstance()->window_cycle_controller();
 513
 514   scoped_ptr<aura::Window> window0(CreateTestWindowInShellWithId(0));
 515   scoped_ptr<aura::Window> panel0(CreatePanelWindow());
 516   scoped_ptr<aura::Window> panel1(CreatePanelWindow());
 517   wm::ActivateWindow(window0.get());
 518   wm::ActivateWindow(panel1.get());
 519   wm::ActivateWindow(panel0.get());
 520   EXPECT_TRUE(wm::IsActiveWindow(panel0.get()));
 521
 522   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 523   controller->StopCycling();
 524   EXPECT_TRUE(wm::IsActiveWindow(panel1.get()));
 525
 526   // Cycling again should select the most recently used panel.
 527   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 528   controller->StopCycling();
 529   EXPECT_TRUE(wm::IsActiveWindow(panel0.get()));
 530
 531   // Cycling twice again should select the first window.
 532   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 533   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 534   controller->StopCycling();
 535   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 536 }
 537
 538 // Tests cycles between panel and normal windows.
 539 TEST_F(WindowCycleControllerTest, CyclePanelsDestroyed) {
 540   WindowCycleController* controller =
 541       Shell::GetInstance()->window_cycle_controller();
 542
 543   scoped_ptr<aura::Window> window0(CreateTestWindowInShellWithId(0));
 544   scoped_ptr<aura::Window> window1(CreateTestWindowInShellWithId(1));
 545   scoped_ptr<aura::Window> window2(CreateTestWindowInShellWithId(2));
 546   scoped_ptr<aura::Window> panel0(CreatePanelWindow());
 547   scoped_ptr<aura::Window> panel1(CreatePanelWindow());
 548   wm::ActivateWindow(window2.get());
 549   wm::ActivateWindow(panel1.get());
 550   wm::ActivateWindow(panel0.get());
 551   wm::ActivateWindow(window1.get());
 552   wm::ActivateWindow(window0.get());
 553   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 554
 555   // Cycling once highlights window2.
 556   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 557   // All panels are destroyed.
 558   panel0.reset();
 559   panel1.reset();
 560   // Cycling again should now select window2.
 561   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 562   controller->StopCycling();
 563   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 564 }
 565
 566 // Tests cycles between panel and normal windows.
 567 TEST_F(WindowCycleControllerTest, CycleMruPanelDestroyed) {
 568   WindowCycleController* controller =
 569       Shell::GetInstance()->window_cycle_controller();
 570
 571   scoped_ptr<aura::Window> window0(CreateTestWindowInShellWithId(0));
 572   scoped_ptr<aura::Window> window1(CreateTestWindowInShellWithId(1));
 573   scoped_ptr<aura::Window> panel0(CreatePanelWindow());
 574   scoped_ptr<aura::Window> panel1(CreatePanelWindow());
 575   wm::ActivateWindow(panel1.get());
 576   wm::ActivateWindow(panel0.get());
 577   wm::ActivateWindow(window1.get());
 578   wm::ActivateWindow(window0.get());
 579   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 580
 581   // Cycling once highlights window2.
 582   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 583
 584   // Panel 1 is the next item as the MRU panel, removing it should make panel 2
 585   // the next window to be selected.
 586   panel0.reset();
 587   // Cycling again should now select panel1.
 588   controller->HandleCycleWindow(WindowCycleController::FORWARD);
 589   controller->StopCycling();
 590   EXPECT_TRUE(wm::IsActiveWindow(panel1.get()));
 591 }
 592
 593 }  // namespace ash