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