chrome/browser/ui/toolbar/recent_tabs_sub_menu_model_unittest.cc

   1 // Copyright 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 "chrome/browser/ui/toolbar/recent_tabs_sub_menu_model.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "base/command_line.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/run_loop.h"
  13 #include "chrome/app/chrome_command_ids.h"
  14 #include "chrome/browser/sessions/chrome_tab_restore_service_client.h"
  15 #include "chrome/browser/sessions/session_service.h"
  16 #include "chrome/browser/sessions/session_service_factory.h"
  17 #include "chrome/browser/sessions/tab_restore_service_factory.h"
  18 #include "chrome/browser/sync/profile_sync_service_mock.h"
  19 #include "chrome/browser/sync/sessions/sessions_sync_manager.h"
  20 #include "chrome/browser/ui/browser.h"
  21 #include "chrome/browser/ui/browser_tabstrip.h"
  22 #include "chrome/browser/ui/sync/browser_synced_window_delegates_getter.h"
  23 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  24 #include "chrome/browser/ui/toolbar/recent_tabs_builder_test_helper.h"
  25 #include "chrome/common/chrome_switches.h"
  26 #include "chrome/test/base/browser_with_test_window_test.h"
  27 #include "chrome/test/base/menu_model_test.h"
  28 #include "chrome/test/base/testing_profile.h"
  29 #include "components/sessions/core/persistent_tab_restore_service.h"
  30 #include "components/sessions/serialized_navigation_entry_test_helper.h"
  31 #include "components/sessions/session_types.h"
  32 #include "components/sync_driver/glue/synced_session.h"
  33 #include "components/sync_driver/local_device_info_provider_mock.h"
  34 #include "content/public/browser/browser_thread.h"
  35 #include "content/public/test/test_utils.h"
  36 #include "grit/generated_resources.h"
  37 #include "sync/api/fake_sync_change_processor.h"
  38 #include "sync/api/sync_error_factory_mock.h"
  39 #include "testing/gmock/include/gmock/gmock.h"
  40 #include "testing/gtest/include/gtest/gtest.h"
  41
  42 namespace {
  43
  44 // This copies parts of MenuModelTest::Delegate and combines them with the
  45 // RecentTabsSubMenuModel since RecentTabsSubMenuModel is a
  46 // SimpleMenuModel::Delegate and not just derived from SimpleMenuModel.
  47 class TestRecentTabsSubMenuModel : public RecentTabsSubMenuModel {
  48  public:
  49   TestRecentTabsSubMenuModel(ui::AcceleratorProvider* provider,
  50                              Browser* browser,
  51                              sync_driver::OpenTabsUIDelegate* delegate)
  52       : RecentTabsSubMenuModel(provider, browser, delegate),
  53         execute_count_(0),
  54         enable_count_(0) {}
  55
  56   // Testing overrides to ui::SimpleMenuModel::Delegate:
  57   bool IsCommandIdEnabled(int command_id) const override {
  58     bool val = RecentTabsSubMenuModel::IsCommandIdEnabled(command_id);
  59     if (val)
  60       ++enable_count_;
  61     return val;
  62   }
  63
  64   void ExecuteCommand(int command_id, int event_flags) override {
  65     ++execute_count_;
  66   }
  67
  68   int execute_count() const { return execute_count_; }
  69   int enable_count() const { return enable_count_; }
  70
  71  private:
  72   int execute_count_;
  73   int mutable enable_count_;  // Mutable because IsCommandIdEnabledAt is const.
  74
  75   DISALLOW_COPY_AND_ASSIGN(TestRecentTabsSubMenuModel);
  76 };
  77
  78 class TestRecentTabsMenuModelDelegate : public ui::MenuModelDelegate {
  79  public:
  80   explicit TestRecentTabsMenuModelDelegate(ui::MenuModel* model)
  81       : model_(model),
  82         got_changes_(false) {
  83     model_->SetMenuModelDelegate(this);
  84   }
  85
  86   ~TestRecentTabsMenuModelDelegate() override {
  87     model_->SetMenuModelDelegate(NULL);
  88   }
  89
  90   // ui::MenuModelDelegate implementation:
  91
  92   void OnIconChanged(int index) override {}
  93
  94   void OnMenuStructureChanged() override { got_changes_ = true; }
  95
  96   bool got_changes() const { return got_changes_; }
  97
  98  private:
  99   ui::MenuModel* model_;
 100   bool got_changes_;
 101
 102   DISALLOW_COPY_AND_ASSIGN(TestRecentTabsMenuModelDelegate);
 103 };
 104
 105 class DummyRouter : public browser_sync::LocalSessionEventRouter {
 106  public:
 107   ~DummyRouter() override {}
 108   void StartRoutingTo(
 109       browser_sync::LocalSessionEventHandler* handler) override {}
 110   void Stop() override {}
 111 };
 112
 113 }  // namespace
 114
 115 class RecentTabsSubMenuModelTest
 116     : public BrowserWithTestWindowTest {
 117  public:
 118   RecentTabsSubMenuModelTest()
 119       : sync_service_(&testing_profile_),
 120         local_device_(new sync_driver::LocalDeviceInfoProviderMock(
 121                       "RecentTabsSubMenuModelTest",
 122                       "Test Machine",
 123                       "Chromium 10k",
 124                       "Chrome 10k",
 125                       sync_pb::SyncEnums_DeviceType_TYPE_LINUX,
 126                       "device_id")) {
 127     manager_.reset(new browser_sync::SessionsSyncManager(
 128         &testing_profile_, local_device_.get(),
 129         scoped_ptr<browser_sync::LocalSessionEventRouter>(new DummyRouter()),
 130         scoped_ptr<browser_sync::SyncedWindowDelegatesGetter>(
 131             new browser_sync::BrowserSyncedWindowDelegatesGetter())));
 132     manager_->MergeDataAndStartSyncing(
 133         syncer::SESSIONS,
 134         syncer::SyncDataList(),
 135         scoped_ptr<syncer::SyncChangeProcessor>(
 136           new syncer::FakeSyncChangeProcessor),
 137         scoped_ptr<syncer::SyncErrorFactory>(
 138             new syncer::SyncErrorFactoryMock));
 139   }
 140
 141   void WaitForLoadFromLastSession() {
 142     content::RunAllBlockingPoolTasksUntilIdle();
 143   }
 144
 145   static scoped_ptr<KeyedService> GetTabRestoreService(
 146       content::BrowserContext* browser_context) {
 147     return make_scoped_ptr(new PersistentTabRestoreService(
 148         make_scoped_ptr(new ChromeTabRestoreServiceClient(
 149             Profile::FromBrowserContext(browser_context))),
 150         nullptr));
 151   }
 152
 153   sync_driver::OpenTabsUIDelegate* GetOpenTabsDelegate() {
 154     return manager_.get();
 155   }
 156
 157   void RegisterRecentTabs(RecentTabsBuilderTestHelper* helper) {
 158     helper->ExportToSessionsSyncManager(manager_.get());
 159   }
 160
 161  private:
 162   TestingProfile testing_profile_;
 163   testing::NiceMock<ProfileSyncServiceMock> sync_service_;
 164
 165   scoped_ptr<browser_sync::SessionsSyncManager> manager_;
 166   scoped_ptr<sync_driver::LocalDeviceInfoProviderMock> local_device_;
 167 };
 168
 169 // Test disabled "Recently closed" header with no foreign tabs.
 170 TEST_F(RecentTabsSubMenuModelTest, NoTabs) {
 171   TestRecentTabsSubMenuModel model(NULL, browser(), NULL);
 172
 173   // Expected menu:
 174   // Menu index  Menu items
 175   // ---------------------------------------------
 176   // 0           History
 177   // 1           <separator>
 178   // 2           Recently closed header (disabled)
 179   // 3           <separator>
 180   // 4           No tabs from other Devices
 181
 182   int num_items = model.GetItemCount();
 183   EXPECT_EQ(5, num_items);
 184   EXPECT_FALSE(model.IsEnabledAt(2));
 185   EXPECT_FALSE(model.IsEnabledAt(4));
 186   EXPECT_EQ(0, model.enable_count());
 187
 188   EXPECT_EQ(NULL, model.GetLabelFontListAt(0));
 189   EXPECT_EQ(NULL, model.GetLabelFontListAt(1));
 190   EXPECT_EQ(NULL, model.GetLabelFontListAt(2));
 191   EXPECT_EQ(NULL, model.GetLabelFontListAt(3));
 192   EXPECT_EQ(NULL, model.GetLabelFontListAt(4));
 193
 194   std::string url;
 195   base::string16 title;
 196   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(0, &url, &title));
 197   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(1, &url, &title));
 198   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(2, &url, &title));
 199   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(3, &url, &title));
 200   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(4, &url, &title));
 201 }
 202
 203 // Test enabled "Recently closed" header with no foreign tabs.
 204 TEST_F(RecentTabsSubMenuModelTest, RecentlyClosedTabsFromCurrentSession) {
 205   TabRestoreServiceFactory::GetInstance()->SetTestingFactory(
 206       profile(), RecentTabsSubMenuModelTest::GetTabRestoreService);
 207
 208   // Add 2 tabs and close them.
 209   AddTab(browser(), GURL("http://foo/1"));
 210   AddTab(browser(), GURL("http://foo/2"));
 211   browser()->tab_strip_model()->CloseAllTabs();
 212
 213   TestRecentTabsSubMenuModel model(NULL, browser(), NULL);
 214   // Expected menu:
 215   // Menu index  Menu items
 216   // --------------------------------------
 217   // 0           History
 218   // 1           <separator>
 219   // 2           Recently closed header
 220   // 3           <tab for http://foo/2>
 221   // 4           <tab for http://foo/1>
 222   // 5           <separator>
 223   // 6           No tabs from other Devices
 224   int num_items = model.GetItemCount();
 225   EXPECT_EQ(7, num_items);
 226   EXPECT_TRUE(model.IsEnabledAt(0));
 227   model.ActivatedAt(0);
 228   EXPECT_TRUE(model.IsEnabledAt(1));
 229   EXPECT_FALSE(model.IsEnabledAt(2));
 230   EXPECT_TRUE(model.IsEnabledAt(3));
 231   EXPECT_TRUE(model.IsEnabledAt(4));
 232   model.ActivatedAt(3);
 233   model.ActivatedAt(4);
 234   EXPECT_FALSE(model.IsEnabledAt(6));
 235   EXPECT_EQ(3, model.enable_count());
 236   EXPECT_EQ(3, model.execute_count());
 237
 238   EXPECT_EQ(NULL, model.GetLabelFontListAt(0));
 239   EXPECT_EQ(NULL, model.GetLabelFontListAt(1));
 240   EXPECT_TRUE(model.GetLabelFontListAt(2) != nullptr);
 241   EXPECT_EQ(NULL, model.GetLabelFontListAt(3));
 242   EXPECT_EQ(NULL, model.GetLabelFontListAt(4));
 243   EXPECT_EQ(NULL, model.GetLabelFontListAt(5));
 244   EXPECT_EQ(NULL, model.GetLabelFontListAt(6));
 245
 246   std::string url;
 247   base::string16 title;
 248   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(0, &url, &title));
 249   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(1, &url, &title));
 250   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(2, &url, &title));
 251   EXPECT_TRUE(model.GetURLAndTitleForItemAtIndex(3, &url, &title));
 252   EXPECT_TRUE(model.GetURLAndTitleForItemAtIndex(4, &url, &title));
 253   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(5, &url, &title));
 254   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(6, &url, &title));
 255 }
 256
 257 // TODO(sail): enable this test when dynamic model is enabled in
 258 // RecentTabsSubMenuModel.
 259 #if defined(OS_MACOSX)
 260 #define MAYBE_RecentlyClosedTabsAndWindowsFromLastSession \
 261     DISABLED_RecentlyClosedTabsAndWindowsFromLastSession
 262 #else
 263 #define MAYBE_RecentlyClosedTabsAndWindowsFromLastSession \
 264     RecentlyClosedTabsAndWindowsFromLastSession
 265 #endif
 266 TEST_F(RecentTabsSubMenuModelTest,
 267        MAYBE_RecentlyClosedTabsAndWindowsFromLastSession) {
 268   TabRestoreServiceFactory::GetInstance()->SetTestingFactory(
 269       profile(), RecentTabsSubMenuModelTest::GetTabRestoreService);
 270
 271   // Add 2 tabs and close them.
 272   AddTab(browser(), GURL("http://wnd/tab0"));
 273   AddTab(browser(), GURL("http://wnd/tab1"));
 274   browser()->tab_strip_model()->CloseAllTabs();
 275
 276   // Create a SessionService for the profile (profile owns the service) and add
 277   // a window with a tab to this session.
 278   SessionService* session_service = new SessionService(profile());
 279   SessionServiceFactory::SetForTestProfile(profile(),
 280                                            make_scoped_ptr(session_service));
 281   SessionID tab_id;
 282   SessionID window_id;
 283   session_service->SetWindowType(window_id,
 284                                  Browser::TYPE_TABBED,
 285                                  SessionService::TYPE_NORMAL);
 286   session_service->SetTabWindow(window_id, tab_id);
 287   session_service->SetTabIndexInWindow(window_id, tab_id, 0);
 288   session_service->SetSelectedTabInWindow(window_id, 0);
 289   session_service->UpdateTabNavigation(
 290       window_id, tab_id,
 291       sessions::SerializedNavigationEntryTestHelper::CreateNavigation(
 292           "http://wnd1/tab0", "title"));
 293   // Set this, otherwise previous session won't be loaded.
 294   profile()->set_last_session_exited_cleanly(false);
 295   // Move this session to the last so that TabRestoreService will load it as the
 296   // last session.
 297   SessionServiceFactory::GetForProfile(profile())->
 298       MoveCurrentSessionToLastSession();
 299
 300   // Create a new TabRestoreService so that it'll load the recently closed tabs
 301   // and windows afresh.
 302   TabRestoreServiceFactory::GetInstance()->SetTestingFactory(
 303       profile(), RecentTabsSubMenuModelTest::GetTabRestoreService);
 304   // Let the shutdown of previous TabRestoreService run.
 305   content::RunAllBlockingPoolTasksUntilIdle();
 306
 307   TestRecentTabsSubMenuModel model(NULL, browser(), NULL);
 308   TestRecentTabsMenuModelDelegate delegate(&model);
 309   EXPECT_FALSE(delegate.got_changes());
 310
 311   // Expected menu before tabs/windows from last session are loaded:
 312   // Menu index  Menu items
 313   // ----------------------------------------------------------------
 314   // 0           History
 315   // 1           <separator>
 316   // 2           Recently closed header
 317   // 3           <separator>
 318   // 4           No tabs from other Devices
 319
 320   int num_items = model.GetItemCount();
 321   EXPECT_EQ(5, num_items);
 322   EXPECT_TRUE(model.IsEnabledAt(0));
 323   EXPECT_EQ(ui::MenuModel::TYPE_SEPARATOR, model.GetTypeAt(1));
 324   EXPECT_FALSE(model.IsEnabledAt(2));
 325   EXPECT_EQ(ui::MenuModel::TYPE_SEPARATOR, model.GetTypeAt(3));
 326   EXPECT_FALSE(model.IsEnabledAt(4));
 327   EXPECT_EQ(1, model.enable_count());
 328
 329   // Wait for tabs from last session to be loaded.
 330   WaitForLoadFromLastSession();
 331
 332   // Expected menu after tabs/windows from last session are loaded:
 333   // Menu index  Menu items
 334   // --------------------------------------------------------------
 335   // 0           History
 336   // 1           <separator>
 337   // 2           Recently closed header
 338   // 3           <window for the tab http://wnd1/tab0>
 339   // 4           <tab for http://wnd0/tab1>
 340   // 5           <tab for http://wnd0/tab0>
 341   // 6           <separator>
 342   // 7           No tabs from other Devices
 343
 344   EXPECT_TRUE(delegate.got_changes());
 345
 346   num_items = model.GetItemCount();
 347   EXPECT_EQ(8, num_items);
 348
 349   EXPECT_TRUE(model.IsEnabledAt(0));
 350   model.ActivatedAt(0);
 351   EXPECT_TRUE(model.IsEnabledAt(1));
 352   EXPECT_EQ(ui::MenuModel::TYPE_SEPARATOR, model.GetTypeAt(1));
 353   EXPECT_FALSE(model.IsEnabledAt(2));
 354   EXPECT_TRUE(model.IsEnabledAt(3));
 355   EXPECT_TRUE(model.IsEnabledAt(4));
 356   EXPECT_TRUE(model.IsEnabledAt(5));
 357   model.ActivatedAt(3);
 358   model.ActivatedAt(4);
 359   model.ActivatedAt(5);
 360   EXPECT_EQ(ui::MenuModel::TYPE_SEPARATOR, model.GetTypeAt(6));
 361   EXPECT_FALSE(model.IsEnabledAt(7));
 362   EXPECT_EQ(5, model.enable_count());
 363   EXPECT_EQ(4, model.execute_count());
 364
 365   EXPECT_EQ(NULL, model.GetLabelFontListAt(0));
 366   EXPECT_EQ(NULL, model.GetLabelFontListAt(1));
 367   EXPECT_TRUE(model.GetLabelFontListAt(2) != nullptr);
 368   EXPECT_EQ(NULL, model.GetLabelFontListAt(3));
 369   EXPECT_EQ(NULL, model.GetLabelFontListAt(4));
 370   EXPECT_EQ(NULL, model.GetLabelFontListAt(5));
 371   EXPECT_EQ(NULL, model.GetLabelFontListAt(6));
 372   EXPECT_EQ(NULL, model.GetLabelFontListAt(7));
 373
 374   std::string url;
 375   base::string16 title;
 376   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(0, &url, &title));
 377   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(1, &url, &title));
 378   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(2, &url, &title));
 379   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(3, &url, &title));
 380   EXPECT_TRUE(model.GetURLAndTitleForItemAtIndex(4, &url, &title));
 381   EXPECT_TRUE(model.GetURLAndTitleForItemAtIndex(5, &url, &title));
 382   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(6, &url, &title));
 383   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(7, &url, &title));
 384 }
 385
 386 // Test disabled "Recently closed" header with multiple sessions, multiple
 387 // windows, and multiple enabled tabs from other devices.
 388 TEST_F(RecentTabsSubMenuModelTest, OtherDevices) {
 389   // Tabs are populated in decreasing timestamp.
 390   base::Time timestamp = base::Time::Now();
 391   const base::TimeDelta time_delta = base::TimeDelta::FromMinutes(10);
 392
 393   RecentTabsBuilderTestHelper recent_tabs_builder;
 394
 395   // Create 1st session : 1 window, 3 tabs
 396   recent_tabs_builder.AddSession();
 397   recent_tabs_builder.AddWindow(0);
 398   for (int i = 0; i < 3; ++i) {
 399     timestamp -= time_delta;
 400     recent_tabs_builder.AddTabWithInfo(0, 0, timestamp, base::string16());
 401   }
 402
 403   // Create 2nd session : 2 windows, 1 tab in 1st window, 2 tabs in 2nd window
 404   recent_tabs_builder.AddSession();
 405   recent_tabs_builder.AddWindow(1);
 406   recent_tabs_builder.AddWindow(1);
 407   timestamp -= time_delta;
 408   recent_tabs_builder.AddTabWithInfo(1, 0, timestamp, base::string16());
 409   timestamp -= time_delta;
 410   recent_tabs_builder.AddTabWithInfo(1, 1, timestamp, base::string16());
 411   timestamp -= time_delta;
 412   recent_tabs_builder.AddTabWithInfo(1, 1, timestamp, base::string16());
 413
 414   RegisterRecentTabs(&recent_tabs_builder);
 415
 416   // Verify that data is populated correctly in RecentTabsSubMenuModel.
 417   // Expected menu:
 418   // - first inserted tab is most recent and hence is top
 419   // Menu index  Menu items
 420   // -----------------------------------------------------
 421   // 0           History
 422   // 1           <separator>
 423   // 2           Recently closed header (disabled)
 424   // 3           <separator>
 425   // 4           <section header for 1st session>
 426   // 5-7         <3 tabs of the only window of session 0>
 427   // 8           <separator>
 428   // 9           <section header for 2nd session>
 429   // 10          <the only tab of window 0 of session 1>
 430   // 11-12       <2 tabs of window 1 of session 2>
 431
 432   TestRecentTabsSubMenuModel model(NULL, browser(), GetOpenTabsDelegate());
 433   int num_items = model.GetItemCount();
 434   EXPECT_EQ(13, num_items);
 435   model.ActivatedAt(0);
 436   EXPECT_TRUE(model.IsEnabledAt(0));
 437   model.ActivatedAt(1);
 438   EXPECT_TRUE(model.IsEnabledAt(1));
 439   model.ActivatedAt(2);
 440   EXPECT_FALSE(model.IsEnabledAt(2));
 441   model.ActivatedAt(3);
 442   EXPECT_TRUE(model.IsEnabledAt(3));
 443   model.ActivatedAt(5);
 444   EXPECT_TRUE(model.IsEnabledAt(5));
 445   model.ActivatedAt(6);
 446   EXPECT_TRUE(model.IsEnabledAt(6));
 447   model.ActivatedAt(7);
 448   EXPECT_TRUE(model.IsEnabledAt(7));
 449   model.ActivatedAt(10);
 450   EXPECT_TRUE(model.IsEnabledAt(10));
 451   model.ActivatedAt(11);
 452   EXPECT_TRUE(model.IsEnabledAt(11));
 453   model.ActivatedAt(12);
 454   EXPECT_TRUE(model.IsEnabledAt(12));
 455
 456   EXPECT_EQ(7, model.enable_count());
 457   EXPECT_EQ(10, model.execute_count());
 458
 459   EXPECT_EQ(NULL, model.GetLabelFontListAt(0));
 460   EXPECT_EQ(NULL, model.GetLabelFontListAt(1));
 461   EXPECT_EQ(NULL, model.GetLabelFontListAt(2));
 462   EXPECT_EQ(NULL, model.GetLabelFontListAt(3));
 463   EXPECT_TRUE(model.GetLabelFontListAt(4) != nullptr);
 464   EXPECT_EQ(NULL, model.GetLabelFontListAt(5));
 465   EXPECT_EQ(NULL, model.GetLabelFontListAt(6));
 466   EXPECT_EQ(NULL, model.GetLabelFontListAt(7));
 467   EXPECT_EQ(NULL, model.GetLabelFontListAt(8));
 468   EXPECT_TRUE(model.GetLabelFontListAt(9) != nullptr);
 469   EXPECT_EQ(NULL, model.GetLabelFontListAt(10));
 470   EXPECT_EQ(NULL, model.GetLabelFontListAt(11));
 471   EXPECT_EQ(NULL, model.GetLabelFontListAt(12));
 472
 473   std::string url;
 474   base::string16 title;
 475   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(0, &url, &title));
 476   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(1, &url, &title));
 477   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(2, &url, &title));
 478   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(3, &url, &title));
 479   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(4, &url, &title));
 480   EXPECT_TRUE(model.GetURLAndTitleForItemAtIndex(5, &url, &title));
 481   EXPECT_TRUE(model.GetURLAndTitleForItemAtIndex(6, &url, &title));
 482   EXPECT_TRUE(model.GetURLAndTitleForItemAtIndex(7, &url, &title));
 483   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(8, &url, &title));
 484   EXPECT_FALSE(model.GetURLAndTitleForItemAtIndex(9, &url, &title));
 485   EXPECT_TRUE(model.GetURLAndTitleForItemAtIndex(10, &url, &title));
 486   EXPECT_TRUE(model.GetURLAndTitleForItemAtIndex(11, &url, &title));
 487   EXPECT_TRUE(model.GetURLAndTitleForItemAtIndex(12, &url, &title));
 488 }
 489
 490 TEST_F(RecentTabsSubMenuModelTest, MaxSessionsAndRecency) {
 491   // Create 4 sessions : each session has 1 window with 1 tab each.
 492   RecentTabsBuilderTestHelper recent_tabs_builder;
 493   for (int s = 0; s < 4; ++s) {
 494     recent_tabs_builder.AddSession();
 495     recent_tabs_builder.AddWindow(s);
 496     recent_tabs_builder.AddTab(s, 0);
 497   }
 498   RegisterRecentTabs(&recent_tabs_builder);
 499
 500   // Verify that data is populated correctly in RecentTabsSubMenuModel.
 501   // Expected menu:
 502   // - max sessions is 3, so only 3 most-recent sessions will show.
 503   // Menu index  Menu items
 504   // ----------------------------------------------------------
 505   // 0           History
 506   // 1           <separator>
 507   // 2           Recently closed header (disabled)
 508   // 3           <separator>
 509   // 4           <section header for 1st session>
 510   // 5           <the only tab of the only window of session 3>
 511   // 6           <separator>
 512   // 7           <section header for 2nd session>
 513   // 8           <the only tab of the only window of session 2>
 514   // 9           <separator>
 515   // 10          <section header for 3rd session>
 516   // 11          <the only tab of the only window of session 1>
 517
 518   TestRecentTabsSubMenuModel model(NULL, browser(), GetOpenTabsDelegate());
 519   int num_items = model.GetItemCount();
 520   EXPECT_EQ(12, num_items);
 521
 522   std::vector<base::string16> tab_titles =
 523       recent_tabs_builder.GetTabTitlesSortedByRecency();
 524   EXPECT_EQ(tab_titles[0], model.GetLabelAt(5));
 525   EXPECT_EQ(tab_titles[1], model.GetLabelAt(8));
 526   EXPECT_EQ(tab_titles[2], model.GetLabelAt(11));
 527 }
 528
 529 TEST_F(RecentTabsSubMenuModelTest, MaxTabsPerSessionAndRecency) {
 530   // Create a session: 2 windows with 5 tabs each.
 531   RecentTabsBuilderTestHelper recent_tabs_builder;
 532   recent_tabs_builder.AddSession();
 533   for (int w = 0; w < 2; ++w) {
 534     recent_tabs_builder.AddWindow(0);
 535     for (int t = 0; t < 5; ++t)
 536       recent_tabs_builder.AddTab(0, w);
 537   }
 538   RegisterRecentTabs(&recent_tabs_builder);
 539
 540   // Verify that data is populated correctly in RecentTabsSubMenuModel.
 541   // Expected menu:
 542   // - max tabs per session is 4, so only 4 most-recent tabs will show,
 543   //   independent of which window they came from.
 544   // Menu index  Menu items
 545   // ---------------------------------------------
 546   // 0           History
 547   // 1           <separator>
 548   // 2           Recently closed header (disabled)
 549   // 3           <separator>
 550   // 4           <section header for session>
 551   // 5-8         <4 most-recent tabs of session>
 552
 553   TestRecentTabsSubMenuModel model(NULL, browser(), GetOpenTabsDelegate());
 554   int num_items = model.GetItemCount();
 555   EXPECT_EQ(9, num_items);
 556
 557   std::vector<base::string16> tab_titles =
 558       recent_tabs_builder.GetTabTitlesSortedByRecency();
 559   for (int i = 0; i < 4; ++i)
 560     EXPECT_EQ(tab_titles[i], model.GetLabelAt(i + 5));
 561 }
 562
 563 TEST_F(RecentTabsSubMenuModelTest, MaxWidth) {
 564   // Create 1 session with 1 window and 1 tab.
 565   RecentTabsBuilderTestHelper recent_tabs_builder;
 566   recent_tabs_builder.AddSession();
 567   recent_tabs_builder.AddWindow(0);
 568   recent_tabs_builder.AddTab(0, 0);
 569   RegisterRecentTabs(&recent_tabs_builder);
 570
 571   // Menu index  Menu items
 572   // ----------------------------------------------------------
 573   // 0           History
 574   // 1           <separator>
 575   // 2           Recently closed header (disabled)
 576   // 3           <separator>
 577   // 4           <section header for 1st session>
 578   // 5           <the only tab of the only window of session 1>
 579
 580   TestRecentTabsSubMenuModel model(NULL, browser(), GetOpenTabsDelegate());
 581   EXPECT_EQ(6, model.GetItemCount());
 582   EXPECT_EQ(-1, model.GetMaxWidthForItemAtIndex(2));
 583   EXPECT_NE(-1, model.GetMaxWidthForItemAtIndex(3));
 584   EXPECT_NE(-1, model.GetMaxWidthForItemAtIndex(4));
 585   EXPECT_NE(-1, model.GetMaxWidthForItemAtIndex(5));
 586 }
 587
 588 TEST_F(RecentTabsSubMenuModelTest, MaxWidthNoDevices) {
 589   // Expected menu:
 590   // Menu index  Menu items
 591   // --------------------------------------------
 592   // 0           History
 593   // 1           <separator>
 594   // 2           Recently closed heaer (disabled)
 595   // 3           <separator>
 596   // 4           No tabs from other Devices
 597
 598   TestRecentTabsSubMenuModel model(NULL, browser(), NULL);
 599   EXPECT_EQ(5, model.GetItemCount());
 600   EXPECT_EQ(-1, model.GetMaxWidthForItemAtIndex(2));
 601   EXPECT_NE(-1, model.GetMaxWidthForItemAtIndex(3));
 602   EXPECT_EQ(-1, model.GetMaxWidthForItemAtIndex(4));
 603 }