src/ash/display/display_manager_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/display/display_manager.h"
   6
   7 #include "ash/display/display_controller.h"
   8 #include "ash/display/display_layout_store.h"
   9 #include "ash/screen_util.h"
  10 #include "ash/shell.h"
  11 #include "ash/test/ash_test_base.h"
  12 #include "ash/test/display_manager_test_api.h"
  13 #include "ash/test/mirror_window_test_api.h"
  14 #include "base/format_macros.h"
  15 #include "base/strings/string_number_conversions.h"
  16 #include "base/strings/stringprintf.h"
  17 #include "ui/aura/env.h"
  18 #include "ui/aura/root_window.h"
  19 #include "ui/aura/test/event_generator.h"
  20 #include "ui/aura/window_observer.h"
  21 #include "ui/gfx/display_observer.h"
  22 #include "ui/gfx/display.h"
  23 #include "ui/gfx/screen.h"
  24 #include "ui/gfx/screen_type_delegate.h"
  25
  26 namespace ash {
  27 namespace internal {
  28
  29 using std::vector;
  30 using std::string;
  31
  32 using base::StringPrintf;
  33
  34 namespace {
  35
  36 std::string ToDisplayName(int64 id) {
  37   return "x-" + base::Int64ToString(id);
  38 }
  39
  40 }  // namespace
  41
  42 class DisplayManagerTest : public test::AshTestBase,
  43                            public gfx::DisplayObserver,
  44                            public aura::WindowObserver {
  45  public:
  46   DisplayManagerTest()
  47       : removed_count_(0U),
  48         root_window_destroyed_(false) {
  49   }
  50   virtual ~DisplayManagerTest() {}
  51
  52   virtual void SetUp() OVERRIDE {
  53     AshTestBase::SetUp();
  54     Shell::GetScreen()->AddObserver(this);
  55     Shell::GetPrimaryRootWindow()->AddObserver(this);
  56   }
  57   virtual void TearDown() OVERRIDE {
  58     Shell::GetPrimaryRootWindow()->RemoveObserver(this);
  59     Shell::GetScreen()->RemoveObserver(this);
  60     AshTestBase::TearDown();
  61   }
  62
  63   DisplayManager* display_manager() {
  64     return Shell::GetInstance()->display_manager();
  65   }
  66   const vector<gfx::Display>& changed() const { return changed_; }
  67   const vector<gfx::Display>& added() const { return added_; }
  68
  69   string GetCountSummary() const {
  70     return StringPrintf("%" PRIuS " %" PRIuS " %" PRIuS,
  71                         changed_.size(), added_.size(), removed_count_);
  72   }
  73
  74   void reset() {
  75     changed_.clear();
  76     added_.clear();
  77     removed_count_ = 0U;
  78     root_window_destroyed_ = false;
  79   }
  80
  81   bool root_window_destroyed() const {
  82     return root_window_destroyed_;
  83   }
  84
  85   const DisplayInfo& GetDisplayInfo(const gfx::Display& display) {
  86     return display_manager()->GetDisplayInfo(display.id());
  87   }
  88
  89   const DisplayInfo& GetDisplayInfoAt(int index) {
  90     return GetDisplayInfo(display_manager()->GetDisplayAt(index));
  91   }
  92
  93   const gfx::Display& GetDisplayForId(int64 id) {
  94     return display_manager()->GetDisplayForId(id);
  95   }
  96
  97   const DisplayInfo& GetDisplayInfoForId(int64 id) {
  98     return GetDisplayInfo(display_manager()->GetDisplayForId(id));
  99   }
 100
 101   // aura::DisplayObserver overrides:
 102   virtual void OnDisplayBoundsChanged(const gfx::Display& display) OVERRIDE {
 103     changed_.push_back(display);
 104   }
 105   virtual void OnDisplayAdded(const gfx::Display& new_display) OVERRIDE {
 106     added_.push_back(new_display);
 107   }
 108   virtual void OnDisplayRemoved(const gfx::Display& old_display) OVERRIDE {
 109     ++removed_count_;
 110   }
 111
 112   // aura::WindowObserver overrides:
 113   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE {
 114     ASSERT_EQ(Shell::GetPrimaryRootWindow(), window);
 115     root_window_destroyed_ = true;
 116   }
 117
 118  private:
 119   vector<gfx::Display> changed_;
 120   vector<gfx::Display> added_;
 121   size_t removed_count_;
 122   bool root_window_destroyed_;
 123
 124   DISALLOW_COPY_AND_ASSIGN(DisplayManagerTest);
 125 };
 126
 127 TEST_F(DisplayManagerTest, UpdateDisplayTest) {
 128   if (!SupportsMultipleDisplays())
 129     return;
 130
 131   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 132
 133   // Update primary and add seconary.
 134   UpdateDisplay("100+0-500x500,0+501-400x400");
 135   EXPECT_EQ(2U, display_manager()->GetNumDisplays());
 136   EXPECT_EQ("0,0 500x500",
 137             display_manager()->GetDisplayAt(0).bounds().ToString());
 138
 139   EXPECT_EQ("1 1 0", GetCountSummary());
 140   EXPECT_EQ(display_manager()->GetDisplayAt(0).id(), changed()[0].id());
 141   EXPECT_EQ(display_manager()->GetDisplayAt(1).id(), added()[0].id());
 142   EXPECT_EQ("0,0 500x500", changed()[0].bounds().ToString());
 143   // Secondary display is on right.
 144   EXPECT_EQ("500,0 400x400", added()[0].bounds().ToString());
 145   EXPECT_EQ("0,501 400x400",
 146             GetDisplayInfo(added()[0]).bounds_in_native().ToString());
 147   reset();
 148
 149   // Delete secondary.
 150   UpdateDisplay("100+0-500x500");
 151   EXPECT_EQ("0 0 1", GetCountSummary());
 152   reset();
 153
 154   // Change primary.
 155   UpdateDisplay("1+1-1000x600");
 156   EXPECT_EQ("1 0 0", GetCountSummary());
 157   EXPECT_EQ(display_manager()->GetDisplayAt(0).id(), changed()[0].id());
 158   EXPECT_EQ("0,0 1000x600", changed()[0].bounds().ToString());
 159   reset();
 160
 161   // Add secondary.
 162   UpdateDisplay("1+1-1000x600,1002+0-600x400");
 163   EXPECT_EQ(2U, display_manager()->GetNumDisplays());
 164   EXPECT_EQ("0 1 0", GetCountSummary());
 165   EXPECT_EQ(display_manager()->GetDisplayAt(1).id(), added()[0].id());
 166   // Secondary display is on right.
 167   EXPECT_EQ("1000,0 600x400", added()[0].bounds().ToString());
 168   EXPECT_EQ("1002,0 600x400",
 169             GetDisplayInfo(added()[0]).bounds_in_native().ToString());
 170   reset();
 171
 172   // Secondary removed, primary changed.
 173   UpdateDisplay("1+1-800x300");
 174   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 175   EXPECT_EQ("1 0 1", GetCountSummary());
 176   EXPECT_EQ(display_manager()->GetDisplayAt(0).id(), changed()[0].id());
 177   EXPECT_EQ("0,0 800x300", changed()[0].bounds().ToString());
 178   reset();
 179
 180   // # of display can go to zero when screen is off.
 181   const vector<DisplayInfo> empty;
 182   display_manager()->OnNativeDisplaysChanged(empty);
 183   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 184   EXPECT_EQ("0 0 0", GetCountSummary());
 185   EXPECT_FALSE(root_window_destroyed());
 186   // Display configuration stays the same
 187   EXPECT_EQ("0,0 800x300",
 188             display_manager()->GetDisplayAt(0).bounds().ToString());
 189   reset();
 190
 191   // Connect to display again
 192   UpdateDisplay("100+100-500x400");
 193   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 194   EXPECT_EQ("1 0 0", GetCountSummary());
 195   EXPECT_FALSE(root_window_destroyed());
 196   EXPECT_EQ("0,0 500x400", changed()[0].bounds().ToString());
 197   EXPECT_EQ("100,100 500x400",
 198             GetDisplayInfo(changed()[0]).bounds_in_native().ToString());
 199   reset();
 200
 201   // Go back to zero and wake up with multiple displays.
 202   display_manager()->OnNativeDisplaysChanged(empty);
 203   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 204   EXPECT_FALSE(root_window_destroyed());
 205   reset();
 206
 207   // Add secondary.
 208   UpdateDisplay("0+0-1000x600,1000+1000-600x400");
 209   EXPECT_EQ(2U, display_manager()->GetNumDisplays());
 210   EXPECT_EQ("0,0 1000x600",
 211             display_manager()->GetDisplayAt(0).bounds().ToString());
 212   // Secondary display is on right.
 213   EXPECT_EQ("1000,0 600x400",
 214             display_manager()->GetDisplayAt(1).bounds().ToString());
 215   EXPECT_EQ("1000,1000 600x400",
 216             GetDisplayInfoAt(1).bounds_in_native().ToString());
 217   reset();
 218
 219   // Changing primary will update secondary as well.
 220   UpdateDisplay("0+0-800x600,1000+1000-600x400");
 221   EXPECT_EQ("2 0 0", GetCountSummary());
 222   reset();
 223   EXPECT_EQ("0,0 800x600",
 224             display_manager()->GetDisplayAt(0).bounds().ToString());
 225   EXPECT_EQ("800,0 600x400",
 226             display_manager()->GetDisplayAt(1).bounds().ToString());
 227 }
 228
 229 // Test in emulation mode (use_fullscreen_host_window=false)
 230 TEST_F(DisplayManagerTest, EmulatorTest) {
 231   if (!SupportsMultipleDisplays())
 232     return;
 233
 234   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 235
 236   display_manager()->AddRemoveDisplay();
 237   // Update primary and add seconary.
 238   EXPECT_EQ(2U, display_manager()->GetNumDisplays());
 239   EXPECT_EQ("0 1 0", GetCountSummary());
 240   reset();
 241
 242   display_manager()->AddRemoveDisplay();
 243   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 244   EXPECT_EQ("0 0 1", GetCountSummary());
 245   reset();
 246
 247   display_manager()->AddRemoveDisplay();
 248   EXPECT_EQ(2U, display_manager()->GetNumDisplays());
 249   EXPECT_EQ("0 1 0", GetCountSummary());
 250   reset();
 251 }
 252
 253 TEST_F(DisplayManagerTest, OverscanInsetsTest) {
 254   if (!SupportsMultipleDisplays())
 255     return;
 256
 257   UpdateDisplay("0+0-500x500,0+501-400x400");
 258   reset();
 259   ASSERT_EQ(2u, display_manager()->GetNumDisplays());
 260   const DisplayInfo& display_info1 = GetDisplayInfoAt(0);
 261   const DisplayInfo& display_info2 = GetDisplayInfoAt(1);
 262   display_manager()->SetOverscanInsets(
 263       display_info2.id(), gfx::Insets(13, 12, 11, 10));
 264
 265   std::vector<gfx::Display> changed_displays = changed();
 266   EXPECT_EQ(1u, changed_displays.size());
 267   EXPECT_EQ(display_info2.id(), changed_displays[0].id());
 268   EXPECT_EQ("0,0 500x500",
 269             GetDisplayInfoAt(0).bounds_in_native().ToString());
 270   DisplayInfo updated_display_info2 = GetDisplayInfoAt(1);
 271   EXPECT_EQ("0,501 400x400",
 272             updated_display_info2.bounds_in_native().ToString());
 273   EXPECT_EQ("378x376",
 274             updated_display_info2.size_in_pixel().ToString());
 275   EXPECT_EQ("13,12,11,10",
 276             updated_display_info2.overscan_insets_in_dip().ToString());
 277   EXPECT_EQ("500,0 378x376",
 278             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 279
 280   // Make sure that SetOverscanInsets() is idempotent.
 281   display_manager()->SetOverscanInsets(display_info1.id(), gfx::Insets());
 282   display_manager()->SetOverscanInsets(
 283       display_info2.id(), gfx::Insets(13, 12, 11, 10));
 284   EXPECT_EQ("0,0 500x500",
 285             GetDisplayInfoAt(0).bounds_in_native().ToString());
 286   updated_display_info2 = GetDisplayInfoAt(1);
 287   EXPECT_EQ("0,501 400x400",
 288             updated_display_info2.bounds_in_native().ToString());
 289   EXPECT_EQ("378x376",
 290             updated_display_info2.size_in_pixel().ToString());
 291   EXPECT_EQ("13,12,11,10",
 292             updated_display_info2.overscan_insets_in_dip().ToString());
 293
 294   display_manager()->SetOverscanInsets(
 295       display_info2.id(), gfx::Insets(10, 11, 12, 13));
 296   EXPECT_EQ("0,0 500x500",
 297             GetDisplayInfoAt(0).bounds_in_native().ToString());
 298   EXPECT_EQ("376x378",
 299             GetDisplayInfoAt(1).size_in_pixel().ToString());
 300   EXPECT_EQ("10,11,12,13",
 301             GetDisplayInfoAt(1).overscan_insets_in_dip().ToString());
 302
 303   // Recreate a new 2nd display. It won't apply the overscan inset because the
 304   // new display has a different ID.
 305   UpdateDisplay("0+0-500x500");
 306   UpdateDisplay("0+0-500x500,0+501-400x400");
 307   EXPECT_EQ("0,0 500x500",
 308             GetDisplayInfoAt(0).bounds_in_native().ToString());
 309   EXPECT_EQ("0,501 400x400",
 310             GetDisplayInfoAt(1).bounds_in_native().ToString());
 311
 312   // Recreate the displays with the same ID.  It should apply the overscan
 313   // inset.
 314   UpdateDisplay("0+0-500x500");
 315   std::vector<DisplayInfo> display_info_list;
 316   display_info_list.push_back(display_info1);
 317   display_info_list.push_back(display_info2);
 318   display_manager()->OnNativeDisplaysChanged(display_info_list);
 319   EXPECT_EQ("1,1 500x500",
 320             GetDisplayInfoAt(0).bounds_in_native().ToString());
 321   updated_display_info2 = GetDisplayInfoAt(1);
 322   EXPECT_EQ("376x378",
 323             updated_display_info2.size_in_pixel().ToString());
 324   EXPECT_EQ("10,11,12,13",
 325             updated_display_info2.overscan_insets_in_dip().ToString());
 326
 327   // HiDPI but overscan display. The specified insets size should be doubled.
 328   UpdateDisplay("0+0-500x500,0+501-400x400*2");
 329   display_manager()->SetOverscanInsets(
 330       display_manager()->GetDisplayAt(1).id(), gfx::Insets(4, 5, 6, 7));
 331   EXPECT_EQ("0,0 500x500",
 332             GetDisplayInfoAt(0).bounds_in_native().ToString());
 333   updated_display_info2 = GetDisplayInfoAt(1);
 334   EXPECT_EQ("0,501 400x400",
 335             updated_display_info2.bounds_in_native().ToString());
 336   EXPECT_EQ("376x380",
 337             updated_display_info2.size_in_pixel().ToString());
 338   EXPECT_EQ("4,5,6,7",
 339             updated_display_info2.overscan_insets_in_dip().ToString());
 340   EXPECT_EQ("8,10,12,14",
 341             updated_display_info2.GetOverscanInsetsInPixel().ToString());
 342
 343   // Make sure switching primary display applies the overscan offset only once.
 344   ash::Shell::GetInstance()->display_controller()->SetPrimaryDisplay(
 345       ScreenUtil::GetSecondaryDisplay());
 346   EXPECT_EQ("-500,0 500x500",
 347             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 348   EXPECT_EQ("0,0 500x500",
 349             GetDisplayInfo(ScreenUtil::GetSecondaryDisplay()).
 350             bounds_in_native().ToString());
 351   EXPECT_EQ("0,501 400x400",
 352             GetDisplayInfo(Shell::GetScreen()->GetPrimaryDisplay()).
 353             bounds_in_native().ToString());
 354   EXPECT_EQ("0,0 188x190",
 355             Shell::GetScreen()->GetPrimaryDisplay().bounds().ToString());
 356 }
 357
 358 TEST_F(DisplayManagerTest, ZeroOverscanInsets) {
 359   if (!SupportsMultipleDisplays())
 360     return;
 361
 362   // Make sure the display change events is emitted for overscan inset changes.
 363   UpdateDisplay("0+0-500x500,0+501-400x400");
 364   ASSERT_EQ(2u, display_manager()->GetNumDisplays());
 365   int64 display2_id = display_manager()->GetDisplayAt(1).id();
 366
 367   reset();
 368   display_manager()->SetOverscanInsets(display2_id, gfx::Insets(0, 0, 0, 0));
 369   EXPECT_EQ(0u, changed().size());
 370
 371   reset();
 372   display_manager()->SetOverscanInsets(display2_id, gfx::Insets(1, 0, 0, 0));
 373   EXPECT_EQ(1u, changed().size());
 374   EXPECT_EQ(display2_id, changed()[0].id());
 375
 376   reset();
 377   display_manager()->SetOverscanInsets(display2_id, gfx::Insets(0, 0, 0, 0));
 378   EXPECT_EQ(1u, changed().size());
 379   EXPECT_EQ(display2_id, changed()[0].id());
 380 }
 381
 382 TEST_F(DisplayManagerTest, TestDeviceScaleOnlyChange) {
 383   if (!SupportsHostWindowResize())
 384     return;
 385
 386   UpdateDisplay("1000x600");
 387   aura::WindowEventDispatcher* dispatcher =
 388       Shell::GetPrimaryRootWindow()->GetDispatcher();
 389   EXPECT_EQ(1, dispatcher->host()->compositor()->device_scale_factor());
 390   EXPECT_EQ("1000x600",
 391             Shell::GetPrimaryRootWindow()->bounds().size().ToString());
 392   UpdateDisplay("1000x600*2");
 393   EXPECT_EQ(2, dispatcher->host()->compositor()->device_scale_factor());
 394   EXPECT_EQ("500x300",
 395             Shell::GetPrimaryRootWindow()->bounds().size().ToString());
 396 }
 397
 398 DisplayInfo CreateDisplayInfo(int64 id, const gfx::Rect& bounds) {
 399   DisplayInfo info(id, ToDisplayName(id), false);
 400   info.SetBounds(bounds);
 401   return info;
 402 }
 403
 404 TEST_F(DisplayManagerTest, TestNativeDisplaysChanged) {
 405   const int64 internal_display_id =
 406       test::DisplayManagerTestApi(display_manager()).
 407       SetFirstDisplayAsInternalDisplay();
 408   const int external_id = 10;
 409   const int mirror_id = 11;
 410   const int64 invalid_id = gfx::Display::kInvalidDisplayID;
 411   const DisplayInfo internal_display_info =
 412       CreateDisplayInfo(internal_display_id, gfx::Rect(0, 0, 500, 500));
 413   const DisplayInfo external_display_info =
 414       CreateDisplayInfo(external_id, gfx::Rect(1, 1, 100, 100));
 415   const DisplayInfo mirrored_display_info =
 416       CreateDisplayInfo(mirror_id, gfx::Rect(0, 0, 500, 500));
 417
 418   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 419   EXPECT_EQ(1U, display_manager()->num_connected_displays());
 420   std::string default_bounds =
 421       display_manager()->GetDisplayAt(0).bounds().ToString();
 422
 423   std::vector<DisplayInfo> display_info_list;
 424   // Primary disconnected.
 425   display_manager()->OnNativeDisplaysChanged(display_info_list);
 426   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 427   EXPECT_EQ(default_bounds,
 428             display_manager()->GetDisplayAt(0).bounds().ToString());
 429   EXPECT_EQ(1U, display_manager()->num_connected_displays());
 430   EXPECT_FALSE(display_manager()->IsMirrored());
 431
 432   if (!SupportsMultipleDisplays())
 433     return;
 434
 435   // External connected while primary was disconnected.
 436   display_info_list.push_back(external_display_info);
 437   display_manager()->OnNativeDisplaysChanged(display_info_list);
 438   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 439
 440   EXPECT_EQ(invalid_id, GetDisplayForId(internal_display_id).id());
 441   EXPECT_EQ("1,1 100x100",
 442             GetDisplayInfoForId(external_id).bounds_in_native().ToString());
 443   EXPECT_EQ(1U, display_manager()->num_connected_displays());
 444   EXPECT_FALSE(display_manager()->IsMirrored());
 445   EXPECT_EQ(external_id, Shell::GetScreen()->GetPrimaryDisplay().id());
 446
 447   EXPECT_EQ(internal_display_id, gfx::Display::InternalDisplayId());
 448
 449   // Primary connected, with different bounds.
 450   display_info_list.clear();
 451   display_info_list.push_back(internal_display_info);
 452   display_info_list.push_back(external_display_info);
 453   display_manager()->OnNativeDisplaysChanged(display_info_list);
 454   EXPECT_EQ(2U, display_manager()->GetNumDisplays());
 455   EXPECT_EQ(internal_display_id, Shell::GetScreen()->GetPrimaryDisplay().id());
 456
 457   // This combinatino is new, so internal display becomes primary.
 458   EXPECT_EQ("0,0 500x500",
 459             GetDisplayForId(internal_display_id).bounds().ToString());
 460   EXPECT_EQ("1,1 100x100",
 461             GetDisplayInfoForId(10).bounds_in_native().ToString());
 462   EXPECT_EQ(2U, display_manager()->num_connected_displays());
 463   EXPECT_FALSE(display_manager()->IsMirrored());
 464   EXPECT_EQ(ToDisplayName(internal_display_id),
 465             display_manager()->GetDisplayNameForId(internal_display_id));
 466
 467   // Emulate suspend.
 468   display_info_list.clear();
 469   display_manager()->OnNativeDisplaysChanged(display_info_list);
 470   EXPECT_EQ(2U, display_manager()->GetNumDisplays());
 471   EXPECT_EQ("0,0 500x500",
 472             GetDisplayForId(internal_display_id).bounds().ToString());
 473   EXPECT_EQ("1,1 100x100",
 474             GetDisplayInfoForId(10).bounds_in_native().ToString());
 475   EXPECT_EQ(2U, display_manager()->num_connected_displays());
 476   EXPECT_FALSE(display_manager()->IsMirrored());
 477   EXPECT_EQ(ToDisplayName(internal_display_id),
 478             display_manager()->GetDisplayNameForId(internal_display_id));
 479
 480   // External display has disconnected then resumed.
 481   display_info_list.push_back(internal_display_info);
 482   display_manager()->OnNativeDisplaysChanged(display_info_list);
 483   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 484   EXPECT_EQ("0,0 500x500",
 485             GetDisplayForId(internal_display_id).bounds().ToString());
 486   EXPECT_EQ(1U, display_manager()->num_connected_displays());
 487   EXPECT_FALSE(display_manager()->IsMirrored());
 488
 489   // External display was changed during suspend.
 490   display_info_list.push_back(external_display_info);
 491   display_manager()->OnNativeDisplaysChanged(display_info_list);
 492   EXPECT_EQ(2U, display_manager()->GetNumDisplays());
 493   EXPECT_EQ(2U, display_manager()->num_connected_displays());
 494   EXPECT_FALSE(display_manager()->IsMirrored());
 495
 496   // suspend...
 497   display_info_list.clear();
 498   display_manager()->OnNativeDisplaysChanged(display_info_list);
 499   EXPECT_EQ(2U, display_manager()->GetNumDisplays());
 500   EXPECT_EQ(2U, display_manager()->num_connected_displays());
 501   EXPECT_FALSE(display_manager()->IsMirrored());
 502
 503   // and resume with different external display.
 504   display_info_list.push_back(internal_display_info);
 505   display_info_list.push_back(CreateDisplayInfo(12, gfx::Rect(1, 1, 100, 100)));
 506   display_manager()->OnNativeDisplaysChanged(display_info_list);
 507   EXPECT_EQ(2U, display_manager()->GetNumDisplays());
 508   EXPECT_EQ(2U, display_manager()->num_connected_displays());
 509   EXPECT_FALSE(display_manager()->IsMirrored());
 510   EXPECT_FALSE(display_manager()->IsMirrored());
 511
 512   // mirrored...
 513   display_info_list.clear();
 514   display_info_list.push_back(internal_display_info);
 515   display_info_list.push_back(mirrored_display_info);
 516   display_manager()->OnNativeDisplaysChanged(display_info_list);
 517   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 518   EXPECT_EQ("0,0 500x500",
 519             GetDisplayForId(internal_display_id).bounds().ToString());
 520   EXPECT_EQ(2U, display_manager()->num_connected_displays());
 521   EXPECT_EQ(11U, display_manager()->mirrored_display_id());
 522   EXPECT_TRUE(display_manager()->IsMirrored());
 523
 524   // Test display name.
 525   EXPECT_EQ(ToDisplayName(internal_display_id),
 526             display_manager()->GetDisplayNameForId(internal_display_id));
 527   EXPECT_EQ("x-10", display_manager()->GetDisplayNameForId(10));
 528   EXPECT_EQ("x-11", display_manager()->GetDisplayNameForId(11));
 529   EXPECT_EQ("x-12", display_manager()->GetDisplayNameForId(12));
 530   // Default name for the id that doesn't exist.
 531   EXPECT_EQ("Display 100", display_manager()->GetDisplayNameForId(100));
 532
 533   // and exit mirroring.
 534   display_info_list.clear();
 535   display_info_list.push_back(internal_display_info);
 536   display_info_list.push_back(external_display_info);
 537   display_manager()->OnNativeDisplaysChanged(display_info_list);
 538   EXPECT_EQ(2U, display_manager()->GetNumDisplays());
 539   EXPECT_EQ(2U, display_manager()->num_connected_displays());
 540   EXPECT_FALSE(display_manager()->IsMirrored());
 541   EXPECT_EQ("0,0 500x500",
 542             GetDisplayForId(internal_display_id).bounds().ToString());
 543   EXPECT_EQ("500,0 100x100",
 544             GetDisplayForId(10).bounds().ToString());
 545
 546   // Turn off internal
 547   display_info_list.clear();
 548   display_info_list.push_back(external_display_info);
 549   display_manager()->OnNativeDisplaysChanged(display_info_list);
 550   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 551   EXPECT_EQ(invalid_id, GetDisplayForId(internal_display_id).id());
 552   EXPECT_EQ("1,1 100x100",
 553             GetDisplayInfoForId(external_id).bounds_in_native().ToString());
 554   EXPECT_EQ(1U, display_manager()->num_connected_displays());
 555   EXPECT_FALSE(display_manager()->IsMirrored());
 556
 557   // Switched to another display
 558   display_info_list.clear();
 559   display_info_list.push_back(internal_display_info);
 560   display_manager()->OnNativeDisplaysChanged(display_info_list);
 561   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 562   EXPECT_EQ(
 563       "0,0 500x500",
 564       GetDisplayInfoForId(internal_display_id).bounds_in_native().ToString());
 565   EXPECT_EQ(1U, display_manager()->num_connected_displays());
 566   EXPECT_FALSE(display_manager()->IsMirrored());
 567 }
 568
 569 #if defined(OS_WIN)
 570 // TODO(scottmg): RootWindow doesn't get resized on Windows
 571 // Ash. http://crbug.com/247916.
 572 #define MAYBE_TestNativeDisplaysChangedNoInternal \
 573         DISABLED_TestNativeDisplaysChangedNoInternal
 574 #else
 575 #define MAYBE_TestNativeDisplaysChangedNoInternal \
 576         TestNativeDisplaysChangedNoInternal
 577 #endif
 578
 579 TEST_F(DisplayManagerTest, MAYBE_TestNativeDisplaysChangedNoInternal) {
 580   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 581
 582   // Don't change the display info if all displays are disconnected.
 583   std::vector<DisplayInfo> display_info_list;
 584   display_manager()->OnNativeDisplaysChanged(display_info_list);
 585   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 586
 587   // Connect another display which will become primary.
 588   const DisplayInfo external_display_info =
 589       CreateDisplayInfo(10, gfx::Rect(1, 1, 100, 100));
 590   display_info_list.push_back(external_display_info);
 591   display_manager()->OnNativeDisplaysChanged(display_info_list);
 592   EXPECT_EQ(1U, display_manager()->GetNumDisplays());
 593   EXPECT_EQ("1,1 100x100",
 594             GetDisplayInfoForId(10).bounds_in_native().ToString());
 595   EXPECT_EQ("100x100", ash::Shell::GetPrimaryRootWindow()->GetDispatcher()->
 596       host()->GetBounds().size().ToString());
 597 }
 598
 599 #if defined(OS_WIN)
 600 // Tests that rely on the actual host size/location does not work on windows.
 601 #define MAYBE_EnsurePointerInDisplays DISABLED_EnsurePointerInDisplays
 602 #define MAYBE_EnsurePointerInDisplays_2ndOnLeft DISABLED_EnsurePointerInDisplays_2ndOnLeft
 603 #else
 604 #define MAYBE_EnsurePointerInDisplays EnsurePointerInDisplays
 605 #define MAYBE_EnsurePointerInDisplays_2ndOnLeft EnsurePointerInDisplays_2ndOnLeft
 606 #endif
 607
 608 TEST_F(DisplayManagerTest, MAYBE_EnsurePointerInDisplays) {
 609   UpdateDisplay("200x200,300x300");
 610   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 611
 612   aura::Env* env = aura::Env::GetInstance();
 613
 614   aura::test::EventGenerator generator(root_windows[0]);
 615
 616   // Set the initial position.
 617   generator.MoveMouseToInHost(350, 150);
 618   EXPECT_EQ("350,150", env->last_mouse_location().ToString());
 619
 620   // A mouse pointer will stay in the 2nd display.
 621   UpdateDisplay("300x300,200x200");
 622   EXPECT_EQ("450,50", env->last_mouse_location().ToString());
 623
 624   // A mouse pointer will be outside of displays and move to the
 625   // center of 2nd display.
 626   UpdateDisplay("300x300,100x100");
 627   EXPECT_EQ("350,50", env->last_mouse_location().ToString());
 628
 629   // 2nd display was disconnected, and the cursor is
 630   // now in the 1st display.
 631   UpdateDisplay("400x400");
 632   EXPECT_EQ("50,350", env->last_mouse_location().ToString());
 633
 634   // 1st display's resolution has changed, and the mouse pointer is
 635   // now outside. Move the mouse pointer to the center of 1st display.
 636   UpdateDisplay("300x300");
 637   EXPECT_EQ("150,150", env->last_mouse_location().ToString());
 638
 639   // Move the mouse pointer to the bottom of 1st display.
 640   generator.MoveMouseToInHost(150, 290);
 641   EXPECT_EQ("150,290", env->last_mouse_location().ToString());
 642
 643   // The mouse pointer is now on 2nd display.
 644   UpdateDisplay("300x280,200x200");
 645   EXPECT_EQ("450,10", env->last_mouse_location().ToString());
 646 }
 647
 648 TEST_F(DisplayManagerTest, MAYBE_EnsurePointerInDisplays_2ndOnLeft) {
 649   // Set the 2nd display on the left.
 650   DisplayLayoutStore* layout_store =
 651       Shell::GetInstance()->display_manager()->layout_store();
 652   DisplayLayout layout = layout_store->default_display_layout();
 653   layout.position = DisplayLayout::LEFT;
 654   layout_store->SetDefaultDisplayLayout(layout);
 655
 656   UpdateDisplay("200x200,300x300");
 657   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 658
 659   EXPECT_EQ("-300,0 300x300",
 660             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 661
 662   aura::Env* env = aura::Env::GetInstance();
 663
 664   // Set the initial position.
 665   root_windows[0]->MoveCursorTo(gfx::Point(-150, 250));
 666   EXPECT_EQ("-150,250", env->last_mouse_location().ToString());
 667
 668   // A mouse pointer will stay in 2nd display.
 669   UpdateDisplay("300x300,200x300");
 670   EXPECT_EQ("-50,150", env->last_mouse_location().ToString());
 671
 672   // A mouse pointer will be outside of displays and move to the
 673   // center of 2nd display.
 674   UpdateDisplay("300x300,200x100");
 675   EXPECT_EQ("-100,50", env->last_mouse_location().ToString());
 676
 677   // 2nd display was disconnected. Mouse pointer should move to
 678   // 1st display.
 679   UpdateDisplay("300x300");
 680   EXPECT_EQ("150,150", env->last_mouse_location().ToString());
 681 }
 682
 683 TEST_F(DisplayManagerTest, NativeDisplaysChangedAfterPrimaryChange) {
 684   if (!SupportsMultipleDisplays())
 685     return;
 686
 687   const int64 internal_display_id =
 688       test::DisplayManagerTestApi(display_manager()).
 689       SetFirstDisplayAsInternalDisplay();
 690   const DisplayInfo native_display_info =
 691       CreateDisplayInfo(internal_display_id, gfx::Rect(0, 0, 500, 500));
 692   const DisplayInfo secondary_display_info =
 693       CreateDisplayInfo(10, gfx::Rect(1, 1, 100, 100));
 694
 695   std::vector<DisplayInfo> display_info_list;
 696   display_info_list.push_back(native_display_info);
 697   display_info_list.push_back(secondary_display_info);
 698   display_manager()->OnNativeDisplaysChanged(display_info_list);
 699   EXPECT_EQ(2U, display_manager()->GetNumDisplays());
 700   EXPECT_EQ("0,0 500x500",
 701             GetDisplayForId(internal_display_id).bounds().ToString());
 702   EXPECT_EQ("500,0 100x100", GetDisplayForId(10).bounds().ToString());
 703
 704   ash::Shell::GetInstance()->display_controller()->SetPrimaryDisplay(
 705       GetDisplayForId(secondary_display_info.id()));
 706   EXPECT_EQ("-500,0 500x500",
 707             GetDisplayForId(internal_display_id).bounds().ToString());
 708   EXPECT_EQ("0,0 100x100", GetDisplayForId(10).bounds().ToString());
 709
 710   // OnNativeDisplaysChanged may change the display bounds.  Here makes sure
 711   // nothing changed if the exactly same displays are specified.
 712   display_manager()->OnNativeDisplaysChanged(display_info_list);
 713   EXPECT_EQ("-500,0 500x500",
 714             GetDisplayForId(internal_display_id).bounds().ToString());
 715   EXPECT_EQ("0,0 100x100", GetDisplayForId(10).bounds().ToString());
 716 }
 717
 718 TEST_F(DisplayManagerTest, DontRememberBestResolution) {
 719   int display_id = 1000;
 720   DisplayInfo native_display_info =
 721       CreateDisplayInfo(display_id, gfx::Rect(0, 0, 1000, 500));
 722   std::vector<DisplayMode> display_modes;
 723   display_modes.push_back(
 724       DisplayMode(gfx::Size(1000, 500), 58.0f, false, true));
 725   display_modes.push_back(
 726       DisplayMode(gfx::Size(800, 300), 59.0f, false, false));
 727   display_modes.push_back(
 728       DisplayMode(gfx::Size(400, 500), 60.0f, false, false));
 729
 730   native_display_info.set_display_modes(display_modes);
 731
 732   std::vector<DisplayInfo> display_info_list;
 733   display_info_list.push_back(native_display_info);
 734   display_manager()->OnNativeDisplaysChanged(display_info_list);
 735
 736   DisplayMode mode;
 737   EXPECT_FALSE(
 738       display_manager()->GetSelectedModeForDisplayId(display_id, &mode));
 739
 740   // Unsupported resolution.
 741   display_manager()->SetDisplayResolution(display_id, gfx::Size(800, 4000));
 742   EXPECT_FALSE(
 743       display_manager()->GetSelectedModeForDisplayId(display_id, &mode));
 744
 745   // Supported resolution.
 746   display_manager()->SetDisplayResolution(display_id, gfx::Size(800, 300));
 747   EXPECT_TRUE(
 748       display_manager()->GetSelectedModeForDisplayId(display_id, &mode));
 749   EXPECT_EQ("800x300", mode.size.ToString());
 750   EXPECT_EQ(59.0f, mode.refresh_rate);
 751   EXPECT_FALSE(mode.native);
 752
 753   // Best resolution.
 754   display_manager()->SetDisplayResolution(display_id, gfx::Size(1000, 500));
 755   EXPECT_TRUE(
 756       display_manager()->GetSelectedModeForDisplayId(display_id, &mode));
 757   EXPECT_EQ("1000x500", mode.size.ToString());
 758   EXPECT_EQ(58.0f, mode.refresh_rate);
 759   EXPECT_TRUE(mode.native);
 760 }
 761
 762 TEST_F(DisplayManagerTest, ResolutionFallback) {
 763   int display_id = 1000;
 764   DisplayInfo native_display_info =
 765       CreateDisplayInfo(display_id, gfx::Rect(0, 0, 1000, 500));
 766   std::vector<DisplayMode> display_modes;
 767   display_modes.push_back(
 768       DisplayMode(gfx::Size(1000, 500), 58.0f, false, true));
 769   display_modes.push_back(
 770       DisplayMode(gfx::Size(800, 300), 59.0f, false, false));
 771   display_modes.push_back(
 772       DisplayMode(gfx::Size(400, 500), 60.0f, false, false));
 773
 774   std::vector<DisplayMode> copy = display_modes;
 775   native_display_info.set_display_modes(copy);
 776
 777   std::vector<DisplayInfo> display_info_list;
 778   display_info_list.push_back(native_display_info);
 779   display_manager()->OnNativeDisplaysChanged(display_info_list);
 780   {
 781     display_manager()->SetDisplayResolution(display_id, gfx::Size(800, 300));
 782     DisplayInfo new_native_display_info =
 783         CreateDisplayInfo(display_id, gfx::Rect(0, 0, 400, 500));
 784     copy = display_modes;
 785     new_native_display_info.set_display_modes(copy);
 786     std::vector<DisplayInfo> new_display_info_list;
 787     new_display_info_list.push_back(new_native_display_info);
 788     display_manager()->OnNativeDisplaysChanged(new_display_info_list);
 789
 790     DisplayMode mode;
 791     EXPECT_TRUE(
 792         display_manager()->GetSelectedModeForDisplayId(display_id, &mode));
 793     EXPECT_EQ("400x500", mode.size.ToString());
 794     EXPECT_EQ(60.0f, mode.refresh_rate);
 795     EXPECT_FALSE(mode.native);
 796   }
 797   {
 798     // Best resolution should find itself on the resolutions list.
 799     display_manager()->SetDisplayResolution(display_id, gfx::Size(800, 300));
 800     DisplayInfo new_native_display_info =
 801         CreateDisplayInfo(display_id, gfx::Rect(0, 0, 1000, 500));
 802     std::vector<DisplayMode> copy = display_modes;
 803     new_native_display_info.set_display_modes(copy);
 804     std::vector<DisplayInfo> new_display_info_list;
 805     new_display_info_list.push_back(new_native_display_info);
 806     display_manager()->OnNativeDisplaysChanged(new_display_info_list);
 807
 808     DisplayMode mode;
 809     EXPECT_TRUE(
 810         display_manager()->GetSelectedModeForDisplayId(display_id, &mode));
 811     EXPECT_EQ("1000x500", mode.size.ToString());
 812     EXPECT_EQ(58.0f, mode.refresh_rate);
 813     EXPECT_TRUE(mode.native);
 814   }
 815 }
 816
 817 TEST_F(DisplayManagerTest, Rotate) {
 818   if (!SupportsMultipleDisplays())
 819     return;
 820
 821   UpdateDisplay("100x200/r,300x400/l");
 822   EXPECT_EQ("1,1 100x200",
 823             GetDisplayInfoAt(0).bounds_in_native().ToString());
 824   EXPECT_EQ("200x100",
 825             GetDisplayInfoAt(0).size_in_pixel().ToString());
 826
 827   EXPECT_EQ("1,201 300x400",
 828             GetDisplayInfoAt(1).bounds_in_native().ToString());
 829   EXPECT_EQ("400x300",
 830             GetDisplayInfoAt(1).size_in_pixel().ToString());
 831   reset();
 832   UpdateDisplay("100x200/b,300x400");
 833   EXPECT_EQ("2 0 0", GetCountSummary());
 834   reset();
 835
 836   EXPECT_EQ("1,1 100x200",
 837             GetDisplayInfoAt(0).bounds_in_native().ToString());
 838   EXPECT_EQ("100x200",
 839             GetDisplayInfoAt(0).size_in_pixel().ToString());
 840
 841   EXPECT_EQ("1,201 300x400",
 842             GetDisplayInfoAt(1).bounds_in_native().ToString());
 843   EXPECT_EQ("300x400",
 844             GetDisplayInfoAt(1).size_in_pixel().ToString());
 845
 846   // Just Rotating display will change the bounds on both display.
 847   UpdateDisplay("100x200/l,300x400");
 848   EXPECT_EQ("2 0 0", GetCountSummary());
 849   reset();
 850
 851   // Updating tothe same configuration should report no changes.
 852   UpdateDisplay("100x200/l,300x400");
 853   EXPECT_EQ("0 0 0", GetCountSummary());
 854   reset();
 855
 856   UpdateDisplay("100x200/l,300x400");
 857   EXPECT_EQ("0 0 0", GetCountSummary());
 858   reset();
 859
 860   UpdateDisplay("200x200");
 861   EXPECT_EQ("1 0 1", GetCountSummary());
 862   reset();
 863
 864   UpdateDisplay("200x200/l");
 865   EXPECT_EQ("1 0 0", GetCountSummary());
 866 }
 867
 868 TEST_F(DisplayManagerTest, UIScale) {
 869   UpdateDisplay("1280x800");
 870   int64 display_id = Shell::GetScreen()->GetPrimaryDisplay().id();
 871   display_manager()->SetDisplayUIScale(display_id, 1.125f);
 872   EXPECT_EQ(1.0, GetDisplayInfoAt(0).configured_ui_scale());
 873   display_manager()->SetDisplayUIScale(display_id, 0.8f);
 874   EXPECT_EQ(1.0f, GetDisplayInfoAt(0).configured_ui_scale());
 875   display_manager()->SetDisplayUIScale(display_id, 0.75f);
 876   EXPECT_EQ(1.0f, GetDisplayInfoAt(0).configured_ui_scale());
 877   display_manager()->SetDisplayUIScale(display_id, 0.625f);
 878   EXPECT_EQ(1.0f, GetDisplayInfoAt(0).configured_ui_scale());
 879
 880   gfx::Display::SetInternalDisplayId(display_id);
 881
 882   display_manager()->SetDisplayUIScale(display_id, 1.5f);
 883   EXPECT_EQ(1.0f, GetDisplayInfoAt(0).configured_ui_scale());
 884   display_manager()->SetDisplayUIScale(display_id, 1.25f);
 885   EXPECT_EQ(1.0f, GetDisplayInfoAt(0).configured_ui_scale());
 886   display_manager()->SetDisplayUIScale(display_id, 1.125f);
 887   EXPECT_EQ(1.125f, GetDisplayInfoAt(0).configured_ui_scale());
 888   display_manager()->SetDisplayUIScale(display_id, 0.8f);
 889   EXPECT_EQ(0.8f, GetDisplayInfoAt(0).configured_ui_scale());
 890   display_manager()->SetDisplayUIScale(display_id, 0.75f);
 891   EXPECT_EQ(0.8f, GetDisplayInfoAt(0).configured_ui_scale());
 892   display_manager()->SetDisplayUIScale(display_id, 0.625f);
 893   EXPECT_EQ(0.625f, GetDisplayInfoAt(0).configured_ui_scale());
 894   display_manager()->SetDisplayUIScale(display_id, 0.6f);
 895   EXPECT_EQ(0.625f, GetDisplayInfoAt(0).configured_ui_scale());
 896   display_manager()->SetDisplayUIScale(display_id, 0.5f);
 897   EXPECT_EQ(0.5f, GetDisplayInfoAt(0).configured_ui_scale());
 898
 899   UpdateDisplay("1366x768");
 900   display_manager()->SetDisplayUIScale(display_id, 1.5f);
 901   EXPECT_EQ(1.0f, GetDisplayInfoAt(0).configured_ui_scale());
 902   display_manager()->SetDisplayUIScale(display_id, 1.25f);
 903   EXPECT_EQ(1.0f, GetDisplayInfoAt(0).configured_ui_scale());
 904   display_manager()->SetDisplayUIScale(display_id, 1.125f);
 905   EXPECT_EQ(1.125f, GetDisplayInfoAt(0).configured_ui_scale());
 906   display_manager()->SetDisplayUIScale(display_id, 0.8f);
 907   EXPECT_EQ(1.125f, GetDisplayInfoAt(0).configured_ui_scale());
 908   display_manager()->SetDisplayUIScale(display_id, 0.75f);
 909   EXPECT_EQ(0.75f, GetDisplayInfoAt(0).configured_ui_scale());
 910   display_manager()->SetDisplayUIScale(display_id, 0.6f);
 911   EXPECT_EQ(0.6f, GetDisplayInfoAt(0).configured_ui_scale());
 912   display_manager()->SetDisplayUIScale(display_id, 0.625f);
 913   EXPECT_EQ(0.6f, GetDisplayInfoAt(0).configured_ui_scale());
 914   display_manager()->SetDisplayUIScale(display_id, 0.5f);
 915   EXPECT_EQ(0.5f, GetDisplayInfoAt(0).configured_ui_scale());
 916
 917   UpdateDisplay("1280x850*2");
 918   EXPECT_EQ(1.0f, GetDisplayInfoAt(0).configured_ui_scale());
 919   display_manager()->SetDisplayUIScale(display_id, 1.5f);
 920   EXPECT_EQ(1.5f, GetDisplayInfoAt(0).configured_ui_scale());
 921   display_manager()->SetDisplayUIScale(display_id, 1.25f);
 922   EXPECT_EQ(1.25f, GetDisplayInfoAt(0).configured_ui_scale());
 923   display_manager()->SetDisplayUIScale(display_id, 1.125f);
 924   EXPECT_EQ(1.125f, GetDisplayInfoAt(0).configured_ui_scale());
 925   display_manager()->SetDisplayUIScale(display_id, 1.0f);
 926   EXPECT_EQ(1.0f, GetDisplayInfoAt(0).configured_ui_scale());
 927   gfx::Display display = Shell::GetScreen()->GetPrimaryDisplay();
 928   EXPECT_EQ(2.0f, display.device_scale_factor());
 929   EXPECT_EQ("640x425", display.bounds().size().ToString());
 930
 931   display_manager()->SetDisplayUIScale(display_id, 0.8f);
 932   EXPECT_EQ(0.8f, GetDisplayInfoAt(0).configured_ui_scale());
 933   display_manager()->SetDisplayUIScale(display_id, 0.75f);
 934   EXPECT_EQ(0.8f, GetDisplayInfoAt(0).configured_ui_scale());
 935   display_manager()->SetDisplayUIScale(display_id, 0.625f);
 936   EXPECT_EQ(0.625f, GetDisplayInfoAt(0).configured_ui_scale());
 937   display_manager()->SetDisplayUIScale(display_id, 0.6f);
 938   EXPECT_EQ(0.625f, GetDisplayInfoAt(0).configured_ui_scale());
 939   display_manager()->SetDisplayUIScale(display_id, 0.5f);
 940   EXPECT_EQ(0.5f, GetDisplayInfoAt(0).configured_ui_scale());
 941
 942   display_manager()->SetDisplayUIScale(display_id, 2.0f);
 943   EXPECT_EQ(2.0f, GetDisplayInfoAt(0).configured_ui_scale());
 944   EXPECT_EQ(1.0f, GetDisplayInfoAt(0).GetEffectiveUIScale());
 945   display = Shell::GetScreen()->GetPrimaryDisplay();
 946   EXPECT_EQ(1.0f, display.device_scale_factor());
 947   EXPECT_EQ("1280x850", display.bounds().size().ToString());
 948 }
 949
 950
 951 #if defined(OS_WIN)
 952 // TODO(scottmg): RootWindow doesn't get resized on Windows
 953 // Ash. http://crbug.com/247916.
 954 #define MAYBE_UpdateMouseCursorAfterRotateZoom DISABLED_UpdateMouseCursorAfterRotateZoom
 955 #else
 956 #define MAYBE_UpdateMouseCursorAfterRotateZoom UpdateMouseCursorAfterRotateZoom
 957 #endif
 958
 959 TEST_F(DisplayManagerTest, MAYBE_UpdateMouseCursorAfterRotateZoom) {
 960   // Make sure just rotating will not change native location.
 961   UpdateDisplay("300x200,200x150");
 962   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 963   aura::Env* env = aura::Env::GetInstance();
 964
 965   aura::test::EventGenerator generator1(root_windows[0]);
 966   aura::test::EventGenerator generator2(root_windows[1]);
 967
 968   // Test on 1st display.
 969   generator1.MoveMouseToInHost(150, 50);
 970   EXPECT_EQ("150,50", env->last_mouse_location().ToString());
 971   UpdateDisplay("300x200/r,200x150");
 972   EXPECT_EQ("50,149", env->last_mouse_location().ToString());
 973
 974   // Test on 2nd display.
 975   generator2.MoveMouseToInHost(50, 100);
 976   EXPECT_EQ("250,100", env->last_mouse_location().ToString());
 977   UpdateDisplay("300x200/r,200x150/l");
 978   EXPECT_EQ("249,50", env->last_mouse_location().ToString());
 979
 980   // The native location is now outside, so move to the center
 981   // of closest display.
 982   UpdateDisplay("300x200/r,100x50/l");
 983   EXPECT_EQ("225,50", env->last_mouse_location().ToString());
 984
 985   // Make sure just zooming will not change native location.
 986   UpdateDisplay("600x400*2,400x300");
 987
 988   // Test on 1st display.
 989   generator1.MoveMouseToInHost(200, 300);
 990   EXPECT_EQ("100,150", env->last_mouse_location().ToString());
 991   UpdateDisplay("600x400*2@1.5,400x300");
 992   EXPECT_EQ("150,225", env->last_mouse_location().ToString());
 993
 994   // Test on 2nd display.
 995   UpdateDisplay("600x400,400x300*2");
 996   generator2.MoveMouseToInHost(200, 250);
 997   EXPECT_EQ("700,125", env->last_mouse_location().ToString());
 998   UpdateDisplay("600x400,400x300*2@1.5");
 999   EXPECT_EQ("750,187", env->last_mouse_location().ToString());
1000
1001   // The native location is now outside, so move to the
1002   // center of closest display.
1003   UpdateDisplay("600x400,400x200*2@1.5");
1004   EXPECT_EQ("750,75", env->last_mouse_location().ToString());
1005 }
1006
1007 class TestDisplayObserver : public gfx::DisplayObserver {
1008  public:
1009   TestDisplayObserver() : changed_(false) {}
1010   virtual ~TestDisplayObserver() {}
1011
1012   // gfx::DisplayObserver overrides:
1013   virtual void OnDisplayBoundsChanged(const gfx::Display& display) OVERRIDE {
1014   }
1015   virtual void OnDisplayAdded(const gfx::Display& new_display) OVERRIDE {
1016     // Mirror window should already be delete before restoring
1017     // the external dispay.
1018     EXPECT_FALSE(test_api.GetRootWindow());
1019     changed_ = true;
1020   }
1021   virtual void OnDisplayRemoved(const gfx::Display& old_display) OVERRIDE {
1022     // Mirror window should not be created until the external display
1023     // is removed.
1024     EXPECT_FALSE(test_api.GetRootWindow());
1025     changed_ = true;
1026   }
1027
1028   bool changed_and_reset() {
1029     bool changed = changed_;
1030     changed_ = false;
1031     return changed;
1032   }
1033
1034  private:
1035   test::MirrorWindowTestApi test_api;
1036   bool changed_;
1037
1038   DISALLOW_COPY_AND_ASSIGN(TestDisplayObserver);
1039 };
1040
1041 TEST_F(DisplayManagerTest, SoftwareMirroring) {
1042   if (!SupportsMultipleDisplays())
1043     return;
1044
1045   UpdateDisplay("300x400,400x500");
1046
1047   test::MirrorWindowTestApi test_api;
1048   EXPECT_EQ(NULL, test_api.GetRootWindow());
1049
1050   TestDisplayObserver display_observer;
1051   Shell::GetScreen()->AddObserver(&display_observer);
1052
1053   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
1054   display_manager->SetSecondDisplayMode(DisplayManager::MIRRORING);
1055   display_manager->UpdateDisplays();
1056   EXPECT_TRUE(display_observer.changed_and_reset());
1057   EXPECT_EQ(1U, display_manager->GetNumDisplays());
1058   EXPECT_EQ("0,0 300x400",
1059             Shell::GetScreen()->GetPrimaryDisplay().bounds().ToString());
1060   EXPECT_EQ("400x500",
1061       test_api.GetRootWindow()->host()->GetBounds().size().ToString());
1062   EXPECT_EQ("300x400",
1063             test_api.GetRootWindow()->window()->bounds().size().ToString());
1064   EXPECT_TRUE(display_manager->IsMirrored());
1065
1066   display_manager->SetMirrorMode(false);
1067   EXPECT_TRUE(display_observer.changed_and_reset());
1068   EXPECT_EQ(NULL, test_api.GetRootWindow());
1069   EXPECT_EQ(2U, display_manager->GetNumDisplays());
1070   EXPECT_FALSE(display_manager->IsMirrored());
1071
1072   // Make sure the mirror window has the pixel size of the
1073   // source display.
1074   display_manager->SetMirrorMode(true);
1075   EXPECT_TRUE(display_observer.changed_and_reset());
1076
1077   UpdateDisplay("300x400@0.5,400x500");
1078   EXPECT_FALSE(display_observer.changed_and_reset());
1079   EXPECT_EQ("300x400",
1080             test_api.GetRootWindow()->window()->bounds().size().ToString());
1081
1082   UpdateDisplay("310x410*2,400x500");
1083   EXPECT_FALSE(display_observer.changed_and_reset());
1084   EXPECT_EQ("310x410",
1085             test_api.GetRootWindow()->window()->bounds().size().ToString());
1086
1087   UpdateDisplay("320x420/r,400x500");
1088   EXPECT_FALSE(display_observer.changed_and_reset());
1089   EXPECT_EQ("320x420",
1090             test_api.GetRootWindow()->window()->bounds().size().ToString());
1091
1092   UpdateDisplay("330x440/r,400x500");
1093   EXPECT_FALSE(display_observer.changed_and_reset());
1094   EXPECT_EQ("330x440",
1095             test_api.GetRootWindow()->window()->bounds().size().ToString());
1096
1097   // Overscan insets are ignored.
1098   UpdateDisplay("400x600/o,600x800/o");
1099   EXPECT_FALSE(display_observer.changed_and_reset());
1100   EXPECT_EQ("400x600",
1101             test_api.GetRootWindow()->window()->bounds().size().ToString());
1102
1103   Shell::GetScreen()->RemoveObserver(&display_observer);
1104 }
1105
1106 TEST_F(DisplayManagerTest, MirroredLayout) {
1107   if (!SupportsMultipleDisplays())
1108     return;
1109
1110   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
1111   UpdateDisplay("500x500,400x400");
1112   EXPECT_FALSE(display_manager->GetCurrentDisplayLayout().mirrored);
1113   EXPECT_EQ(2, Shell::GetScreen()->GetNumDisplays());
1114   EXPECT_EQ(2U, display_manager->num_connected_displays());
1115
1116   UpdateDisplay("1+0-500x500,1+0-500x500");
1117   EXPECT_TRUE(display_manager->GetCurrentDisplayLayout().mirrored);
1118   EXPECT_EQ(1, Shell::GetScreen()->GetNumDisplays());
1119   EXPECT_EQ(2U, display_manager->num_connected_displays());
1120
1121   UpdateDisplay("500x500,500x500");
1122   EXPECT_FALSE(display_manager->GetCurrentDisplayLayout().mirrored);
1123   EXPECT_EQ(2, Shell::GetScreen()->GetNumDisplays());
1124   EXPECT_EQ(2U, display_manager->num_connected_displays());
1125 }
1126
1127 TEST_F(DisplayManagerTest, InvertLayout) {
1128   EXPECT_EQ("left, 0",
1129             DisplayLayout(DisplayLayout::RIGHT, 0).Invert().ToString());
1130   EXPECT_EQ("left, -100",
1131             DisplayLayout(DisplayLayout::RIGHT, 100).Invert().ToString());
1132   EXPECT_EQ("left, 50",
1133             DisplayLayout(DisplayLayout::RIGHT, -50).Invert().ToString());
1134
1135   EXPECT_EQ("right, 0",
1136             DisplayLayout(DisplayLayout::LEFT, 0).Invert().ToString());
1137   EXPECT_EQ("right, -90",
1138             DisplayLayout(DisplayLayout::LEFT, 90).Invert().ToString());
1139   EXPECT_EQ("right, 60",
1140             DisplayLayout(DisplayLayout::LEFT, -60).Invert().ToString());
1141
1142   EXPECT_EQ("bottom, 0",
1143             DisplayLayout(DisplayLayout::TOP, 0).Invert().ToString());
1144   EXPECT_EQ("bottom, -80",
1145             DisplayLayout(DisplayLayout::TOP, 80).Invert().ToString());
1146   EXPECT_EQ("bottom, 70",
1147             DisplayLayout(DisplayLayout::TOP, -70).Invert().ToString());
1148
1149   EXPECT_EQ("top, 0",
1150             DisplayLayout(DisplayLayout::BOTTOM, 0).Invert().ToString());
1151   EXPECT_EQ("top, -70",
1152             DisplayLayout(DisplayLayout::BOTTOM, 70).Invert().ToString());
1153   EXPECT_EQ("top, 80",
1154             DisplayLayout(DisplayLayout::BOTTOM, -80).Invert().ToString());
1155 }
1156
1157 #if defined(OS_WIN)
1158 // TODO(scottmg): RootWindow doesn't get resized on Windows
1159 // Ash. http://crbug.com/247916.
1160 #define MAYBE_UpdateDisplayWithHostOrigin DISABLED_UpdateDisplayWithHostOrigin
1161 #else
1162 #define MAYBE_UpdateDisplayWithHostOrigin UpdateDisplayWithHostOrigin
1163 #endif
1164
1165 TEST_F(DisplayManagerTest, MAYBE_UpdateDisplayWithHostOrigin) {
1166   UpdateDisplay("100x200,300x400");
1167   ASSERT_EQ(2, Shell::GetScreen()->GetNumDisplays());
1168   aura::Window::Windows root_windows =
1169       Shell::GetInstance()->GetAllRootWindows();
1170   ASSERT_EQ(2U, root_windows.size());
1171   aura::WindowEventDispatcher* dispatcher0 = root_windows[0]->GetDispatcher();
1172   aura::WindowEventDispatcher* dispatcher1 = root_windows[1]->GetDispatcher();
1173
1174   EXPECT_EQ("1,1", dispatcher0->host()->GetBounds().origin().ToString());
1175   EXPECT_EQ("100x200", dispatcher0->host()->GetBounds().size().ToString());
1176   // UpdateDisplay set the origin if it's not set.
1177   EXPECT_NE("1,1", dispatcher1->host()->GetBounds().origin().ToString());
1178   EXPECT_EQ("300x400", dispatcher1->host()->GetBounds().size().ToString());
1179
1180   UpdateDisplay("100x200,200+300-300x400");
1181   ASSERT_EQ(2, Shell::GetScreen()->GetNumDisplays());
1182   EXPECT_EQ("0,0", dispatcher0->host()->GetBounds().origin().ToString());
1183   EXPECT_EQ("100x200", dispatcher0->host()->GetBounds().size().ToString());
1184   EXPECT_EQ("200,300", dispatcher1->host()->GetBounds().origin().ToString());
1185   EXPECT_EQ("300x400", dispatcher1->host()->GetBounds().size().ToString());
1186
1187   UpdateDisplay("400+500-200x300,300x400");
1188   ASSERT_EQ(2, Shell::GetScreen()->GetNumDisplays());
1189   EXPECT_EQ("400,500", dispatcher0->host()->GetBounds().origin().ToString());
1190   EXPECT_EQ("200x300", dispatcher0->host()->GetBounds().size().ToString());
1191   EXPECT_EQ("0,0", dispatcher1->host()->GetBounds().origin().ToString());
1192   EXPECT_EQ("300x400", dispatcher1->host()->GetBounds().size().ToString());
1193
1194   UpdateDisplay("100+200-100x200,300+500-200x300");
1195   ASSERT_EQ(2, Shell::GetScreen()->GetNumDisplays());
1196   EXPECT_EQ("100,200", dispatcher0->host()->GetBounds().origin().ToString());
1197   EXPECT_EQ("100x200", dispatcher0->host()->GetBounds().size().ToString());
1198   EXPECT_EQ("300,500", dispatcher1->host()->GetBounds().origin().ToString());
1199   EXPECT_EQ("200x300", dispatcher1->host()->GetBounds().size().ToString());
1200 }
1201
1202
1203 class ScreenShutdownTest : public test::AshTestBase {
1204  public:
1205   ScreenShutdownTest() {
1206   }
1207   virtual ~ScreenShutdownTest() {}
1208
1209   virtual void TearDown() OVERRIDE {
1210     gfx::Screen* orig_screen =
1211         gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_ALTERNATE);
1212     AshTestBase::TearDown();
1213     if (!SupportsMultipleDisplays())
1214       return;
1215     gfx::Screen* screen =
1216         gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_ALTERNATE);
1217     EXPECT_NE(orig_screen, screen);
1218     EXPECT_EQ(2, screen->GetNumDisplays());
1219     EXPECT_EQ("500x300", screen->GetPrimaryDisplay().size().ToString());
1220     std::vector<gfx::Display> all = screen->GetAllDisplays();
1221     EXPECT_EQ("500x300", all[0].size().ToString());
1222     EXPECT_EQ("800x400", all[1].size().ToString());
1223   }
1224
1225  private:
1226   DISALLOW_COPY_AND_ASSIGN(ScreenShutdownTest);
1227 };
1228
1229 TEST_F(ScreenShutdownTest, ScreenAfterShutdown) {
1230   if (!SupportsMultipleDisplays())
1231     return;
1232   UpdateDisplay("500x300,800x400");
1233 }
1234
1235 }  // namespace internal
1236 }  // namespace ash