src/chrome/browser/sessions/tab_restore_browsertest.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 "base/basictypes.h"
   6 #include "base/command_line.h"
   7 #include "base/files/file_path.h"
   8 #include "base/run_loop.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "base/test/test_timeouts.h"
  11 #include "chrome/app/chrome_command_ids.h"
  12 #include "chrome/browser/chrome_notification_types.h"
  13 #include "chrome/browser/sessions/tab_restore_service.h"
  14 #include "chrome/browser/sessions/tab_restore_service_factory.h"
  15 #include "chrome/browser/sessions/tab_restore_service_observer.h"
  16 #include "chrome/browser/ui/browser.h"
  17 #include "chrome/browser/ui/browser_commands.h"
  18 #include "chrome/browser/ui/browser_list.h"
  19 #include "chrome/browser/ui/browser_tabstrip.h"
  20 #include "chrome/browser/ui/find_bar/find_notification_details.h"
  21 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  22 #include "chrome/common/chrome_paths.h"
  23 #include "chrome/common/url_constants.h"
  24 #include "chrome/test/base/in_process_browser_test.h"
  25 #include "chrome/test/base/ui_test_utils.h"
  26 #include "content/public/browser/navigation_controller.h"
  27 #include "content/public/browser/notification_service.h"
  28 #include "content/public/browser/notification_source.h"
  29 #include "content/public/browser/notification_types.h"
  30 #include "content/public/browser/page_navigator.h"
  31 #include "content/public/browser/render_view_host.h"
  32 #include "content/public/browser/web_contents.h"
  33 #include "content/public/test/browser_test_utils.h"
  34 #include "net/base/net_util.h"
  35 #include "net/test/embedded_test_server/embedded_test_server.h"
  36 #include "third_party/WebKit/public/web/WebFindOptions.h"
  37 #include "url/gurl.h"
  38
  39 // Class used to run a message loop waiting for the TabRestoreService to finish
  40 // loading. Does nothing if the TabRestoreService was already loaded.
  41 class WaitForLoadObserver : public TabRestoreServiceObserver {
  42  public:
  43   explicit WaitForLoadObserver(Browser* browser)
  44       : tab_restore_service_(
  45           TabRestoreServiceFactory::GetForProfile(browser->profile())),
  46         do_wait_(!tab_restore_service_->IsLoaded()) {
  47     if (do_wait_)
  48       tab_restore_service_->AddObserver(this);
  49   }
  50
  51   virtual ~WaitForLoadObserver() {
  52     if (do_wait_)
  53       tab_restore_service_->RemoveObserver(this);
  54   }
  55
  56   void Wait() {
  57     if (do_wait_)
  58       run_loop_.Run();
  59   }
  60
  61  private:
  62   // Overridden from TabRestoreServiceObserver:
  63   virtual void TabRestoreServiceChanged(TabRestoreService* service) OVERRIDE {}
  64   virtual void TabRestoreServiceDestroyed(TabRestoreService* service) OVERRIDE {
  65   }
  66   virtual void TabRestoreServiceLoaded(TabRestoreService* service) OVERRIDE {
  67     DCHECK(do_wait_);
  68     run_loop_.Quit();
  69   }
  70
  71   TabRestoreService* tab_restore_service_;
  72   const bool do_wait_;
  73   base::RunLoop run_loop_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(WaitForLoadObserver);
  76 };
  77
  78 class TabRestoreTest : public InProcessBrowserTest {
  79  public:
  80   TabRestoreTest() : active_browser_list_(NULL) {
  81     url1_ = ui_test_utils::GetTestUrl(
  82         base::FilePath().AppendASCII("session_history"),
  83         base::FilePath().AppendASCII("bot1.html"));
  84     url2_ = ui_test_utils::GetTestUrl(
  85         base::FilePath().AppendASCII("session_history"),
  86         base::FilePath().AppendASCII("bot2.html"));
  87   }
  88
  89  protected:
  90   virtual void SetUpOnMainThread() OVERRIDE {
  91     active_browser_list_ = BrowserList::GetInstance(chrome::GetActiveDesktop());
  92     InProcessBrowserTest::SetUpOnMainThread();
  93   }
  94
  95   Browser* GetBrowser(int index) {
  96     CHECK(static_cast<int>(active_browser_list_->size()) > index);
  97     return active_browser_list_->get(index);
  98   }
  99
 100   // Adds tabs to the given browser, all navigated to url1_. Returns
 101   // the final number of tabs.
 102   int AddSomeTabs(Browser* browser, int how_many) {
 103     int starting_tab_count = browser->tab_strip_model()->count();
 104
 105     for (int i = 0; i < how_many; ++i) {
 106       ui_test_utils::NavigateToURLWithDisposition(
 107           browser, url1_, NEW_FOREGROUND_TAB,
 108           ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 109     }
 110     int tab_count = browser->tab_strip_model()->count();
 111     EXPECT_EQ(starting_tab_count + how_many, tab_count);
 112     return tab_count;
 113   }
 114
 115   void CloseTab(int index) {
 116     content::WebContentsDestroyedWatcher destroyed_watcher(
 117         browser()->tab_strip_model()->GetWebContentsAt(index));
 118     browser()->tab_strip_model()->CloseWebContentsAt(
 119         index, TabStripModel::CLOSE_CREATE_HISTORICAL_TAB);
 120     destroyed_watcher.Wait();
 121   }
 122
 123   // Uses the undo-close-tab accelerator to undo a close-tab or close-window
 124   // operation. The newly restored tab is expected to appear in the
 125   // window at index |expected_window_index|, at the |expected_tabstrip_index|,
 126   // and to be active. If |expected_window_index| is equal to the number of
 127   // current windows, the restored tab is expected to be created in a new
 128   // window (since the index is 0-based).
 129   void RestoreTab(int expected_window_index, int expected_tabstrip_index) {
 130     int window_count = static_cast<int>(active_browser_list_->size());
 131     ASSERT_GT(window_count, 0);
 132
 133     bool expect_new_window = (expected_window_index == window_count);
 134
 135     Browser* browser;
 136     if (expect_new_window) {
 137       browser = active_browser_list_->get(0);
 138     } else {
 139       browser = GetBrowser(expected_window_index);
 140     }
 141     int tab_count = browser->tab_strip_model()->count();
 142     ASSERT_GT(tab_count, 0);
 143
 144     // Restore the tab.
 145     content::WindowedNotificationObserver tab_added_observer(
 146         chrome::NOTIFICATION_TAB_PARENTED,
 147         content::NotificationService::AllSources());
 148     content::WindowedNotificationObserver tab_loaded_observer(
 149         content::NOTIFICATION_LOAD_STOP,
 150         content::NotificationService::AllSources());
 151     {
 152       WaitForLoadObserver waiter(browser);
 153       chrome::RestoreTab(browser);
 154       waiter.Wait();
 155     }
 156     tab_added_observer.Wait();
 157     tab_loaded_observer.Wait();
 158
 159     if (expect_new_window) {
 160       int new_window_count = static_cast<int>(active_browser_list_->size());
 161       EXPECT_EQ(++window_count, new_window_count);
 162       browser = GetBrowser(expected_window_index);
 163     } else {
 164       EXPECT_EQ(++tab_count, browser->tab_strip_model()->count());
 165     }
 166
 167     // Get a handle to the restored tab.
 168     ASSERT_GT(browser->tab_strip_model()->count(), expected_tabstrip_index);
 169
 170     // Ensure that the tab and window are active.
 171     EXPECT_EQ(expected_tabstrip_index,
 172               browser->tab_strip_model()->active_index());
 173   }
 174
 175   void GoBack(Browser* browser) {
 176     content::WindowedNotificationObserver observer(
 177         content::NOTIFICATION_LOAD_STOP,
 178         content::NotificationService::AllSources());
 179     chrome::GoBack(browser, CURRENT_TAB);
 180     observer.Wait();
 181   }
 182
 183   void EnsureTabFinishedRestoring(content::WebContents* tab) {
 184     content::NavigationController* controller = &tab->GetController();
 185     if (!controller->NeedsReload() && !controller->GetPendingEntry() &&
 186         !controller->GetWebContents()->IsLoading())
 187       return;
 188
 189     content::WindowedNotificationObserver observer(
 190         content::NOTIFICATION_LOAD_STOP,
 191         content::Source<content::NavigationController>(controller));
 192     observer.Wait();
 193   }
 194
 195   GURL url1_;
 196   GURL url2_;
 197
 198   const BrowserList* active_browser_list_;
 199
 200  private:
 201   DISALLOW_COPY_AND_ASSIGN(TabRestoreTest);
 202 };
 203
 204 // Close the end tab in the current window, then restore it. The tab should be
 205 // in its original position, and active.
 206 IN_PROC_BROWSER_TEST_F(TabRestoreTest, Basic) {
 207   int starting_tab_count = browser()->tab_strip_model()->count();
 208   int tab_count = AddSomeTabs(browser(), 1);
 209
 210   int closed_tab_index = tab_count - 1;
 211   CloseTab(closed_tab_index);
 212   EXPECT_EQ(starting_tab_count, browser()->tab_strip_model()->count());
 213
 214   ASSERT_NO_FATAL_FAILURE(RestoreTab(0, closed_tab_index));
 215
 216   // And make sure everything looks right.
 217   EXPECT_EQ(starting_tab_count + 1, browser()->tab_strip_model()->count());
 218   EXPECT_EQ(closed_tab_index, browser()->tab_strip_model()->active_index());
 219   EXPECT_EQ(url1_,
 220             browser()->tab_strip_model()->GetActiveWebContents()->GetURL());
 221 }
 222
 223 // Close a tab not at the end of the current window, then restore it. The tab
 224 // should be in its original position, and active.
 225 IN_PROC_BROWSER_TEST_F(TabRestoreTest, MiddleTab) {
 226   int starting_tab_count = browser()->tab_strip_model()->count();
 227   AddSomeTabs(browser(), 3);
 228
 229   // Close one in the middle
 230   int closed_tab_index = starting_tab_count + 1;
 231   CloseTab(closed_tab_index);
 232   EXPECT_EQ(starting_tab_count + 2, browser()->tab_strip_model()->count());
 233
 234   ASSERT_NO_FATAL_FAILURE(RestoreTab(0, closed_tab_index));
 235
 236   // And make sure everything looks right.
 237   EXPECT_EQ(starting_tab_count + 3, browser()->tab_strip_model()->count());
 238   EXPECT_EQ(closed_tab_index, browser()->tab_strip_model()->active_index());
 239   EXPECT_EQ(url1_,
 240             browser()->tab_strip_model()->GetActiveWebContents()->GetURL());
 241 }
 242
 243 // Close a tab, switch windows, then restore the tab. The tab should be in its
 244 // original window and position, and active.
 245 IN_PROC_BROWSER_TEST_F(TabRestoreTest, RestoreToDifferentWindow) {
 246   int starting_tab_count = browser()->tab_strip_model()->count();
 247   AddSomeTabs(browser(), 3);
 248
 249   // Close one in the middle
 250   int closed_tab_index = starting_tab_count + 1;
 251   CloseTab(closed_tab_index);
 252   EXPECT_EQ(starting_tab_count + 2, browser()->tab_strip_model()->count());
 253
 254   // Create a new browser.
 255   ui_test_utils::NavigateToURLWithDisposition(
 256       browser(), GURL(chrome::kChromeUINewTabURL), NEW_WINDOW,
 257       ui_test_utils::BROWSER_TEST_WAIT_FOR_BROWSER);
 258   EXPECT_EQ(2u, active_browser_list_->size());
 259
 260   // Restore tab into original browser.
 261   ASSERT_NO_FATAL_FAILURE(RestoreTab(0, closed_tab_index));
 262
 263   // And make sure everything looks right.
 264   EXPECT_EQ(starting_tab_count + 3, browser()->tab_strip_model()->count());
 265   EXPECT_EQ(closed_tab_index, browser()->tab_strip_model()->active_index());
 266   EXPECT_EQ(url1_,
 267             browser()->tab_strip_model()->GetActiveWebContents()->GetURL());
 268 }
 269
 270 // Close a tab, open a new window, close the first window, then restore the
 271 // tab. It should be in a new window.
 272 // If this becomes flaky, use http://crbug.com/14774
 273 IN_PROC_BROWSER_TEST_F(TabRestoreTest, DISABLED_BasicRestoreFromClosedWindow) {
 274   // Navigate to url1 then url2.
 275   ui_test_utils::NavigateToURL(browser(), url1_);
 276   ui_test_utils::NavigateToURL(browser(), url2_);
 277
 278   // Create a new browser.
 279   ui_test_utils::NavigateToURLWithDisposition(
 280       browser(), GURL(chrome::kChromeUINewTabURL), NEW_WINDOW,
 281       ui_test_utils::BROWSER_TEST_WAIT_FOR_BROWSER);
 282   EXPECT_EQ(2u, active_browser_list_->size());
 283
 284   // Close the final tab in the first browser.
 285   content::WindowedNotificationObserver window_observer(
 286       chrome::NOTIFICATION_BROWSER_CLOSED,
 287       content::NotificationService::AllSources());
 288   CloseTab(0);
 289   window_observer.Wait();
 290
 291   ASSERT_NO_FATAL_FAILURE(RestoreTab(1, 0));
 292
 293   // Tab should be in a new window.
 294   Browser* browser = GetBrowser(1);
 295   content::WebContents* web_contents =
 296       browser->tab_strip_model()->GetActiveWebContents();
 297   // And make sure the URLs match.
 298   EXPECT_EQ(url2_, web_contents->GetURL());
 299   GoBack(browser);
 300   EXPECT_EQ(url1_, web_contents->GetURL());
 301 }
 302
 303 #if defined(OS_WIN)
 304 // Flakily times out: http://crbug.com/171503
 305 #define MAYBE_DontLoadRestoredTab DISABLED_DontLoadRestoredTab
 306 #else
 307 #define MAYBE_DontLoadRestoredTab DontLoadRestoredTab
 308 #endif
 309
 310 // Restore a tab then make sure it doesn't restore again.
 311 IN_PROC_BROWSER_TEST_F(TabRestoreTest, MAYBE_DontLoadRestoredTab) {
 312   // Add two tabs
 313   int starting_tab_count = browser()->tab_strip_model()->count();
 314   AddSomeTabs(browser(), 2);
 315   ASSERT_EQ(browser()->tab_strip_model()->count(), starting_tab_count + 2);
 316
 317   // Close one of them.
 318   CloseTab(0);
 319   ASSERT_EQ(browser()->tab_strip_model()->count(), starting_tab_count + 1);
 320
 321   // Restore it.
 322   ASSERT_NO_FATAL_FAILURE(RestoreTab(0, 0));
 323   ASSERT_EQ(browser()->tab_strip_model()->count(), starting_tab_count + 2);
 324
 325   // Make sure that there's nothing else to restore.
 326   ASSERT_EQ(chrome::GetRestoreTabType(browser()),
 327             TabStripModelDelegate::RESTORE_NONE);
 328 }
 329
 330 // Open a window with multiple tabs, close a tab, then close the window.
 331 // Restore both and make sure the tab goes back into the window.
 332 IN_PROC_BROWSER_TEST_F(TabRestoreTest, RestoreWindowAndTab) {
 333   int starting_tab_count = browser()->tab_strip_model()->count();
 334   AddSomeTabs(browser(), 3);
 335
 336   // Close one in the middle
 337   int closed_tab_index = starting_tab_count + 1;
 338   CloseTab(closed_tab_index);
 339   EXPECT_EQ(starting_tab_count + 2, browser()->tab_strip_model()->count());
 340
 341   // Create a new browser.
 342   ui_test_utils::NavigateToURLWithDisposition(
 343       browser(), GURL(chrome::kChromeUINewTabURL), NEW_WINDOW,
 344       ui_test_utils::BROWSER_TEST_WAIT_FOR_BROWSER);
 345   EXPECT_EQ(2u, active_browser_list_->size());
 346
 347   // Close the first browser.
 348   content::WindowedNotificationObserver observer(
 349       chrome::NOTIFICATION_BROWSER_CLOSED,
 350       content::NotificationService::AllSources());
 351   chrome::CloseWindow(browser());
 352   observer.Wait();
 353   EXPECT_EQ(1u, active_browser_list_->size());
 354
 355   // Restore the first window. The expected_tabstrip_index (second argument)
 356   // indicates the expected active tab.
 357   ASSERT_NO_FATAL_FAILURE(RestoreTab(1, starting_tab_count + 1));
 358   Browser* browser = GetBrowser(1);
 359   EXPECT_EQ(starting_tab_count + 2, browser->tab_strip_model()->count());
 360
 361   // Restore the closed tab.
 362   ASSERT_NO_FATAL_FAILURE(RestoreTab(1, closed_tab_index));
 363   EXPECT_EQ(starting_tab_count + 3, browser->tab_strip_model()->count());
 364   EXPECT_EQ(url1_,
 365             browser->tab_strip_model()->GetActiveWebContents()->GetURL());
 366 }
 367
 368 // Open a window with two tabs, close both (closing the window), then restore
 369 // both. Make sure both restored tabs are in the same window.
 370 IN_PROC_BROWSER_TEST_F(TabRestoreTest, RestoreIntoSameWindow) {
 371   ui_test_utils::NavigateToURLWithDisposition(
 372       browser(), url1_, NEW_FOREGROUND_TAB,
 373       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 374   // Navigate the rightmost one to url2_ for easier identification.
 375   ui_test_utils::NavigateToURLWithDisposition(
 376       browser(), url2_, NEW_FOREGROUND_TAB,
 377       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 378
 379   // Create a new browser.
 380   ui_test_utils::NavigateToURLWithDisposition(
 381       browser(), GURL(chrome::kChromeUINewTabURL), NEW_WINDOW,
 382       ui_test_utils::BROWSER_TEST_WAIT_FOR_BROWSER);
 383   EXPECT_EQ(2u, active_browser_list_->size());
 384
 385   // Close all but one tab in the first browser, left to right.
 386   while (browser()->tab_strip_model()->count() > 1)
 387     CloseTab(0);
 388
 389   // Close the last tab, closing the browser.
 390   content::WindowedNotificationObserver observer(
 391       chrome::NOTIFICATION_BROWSER_CLOSED,
 392       content::NotificationService::AllSources());
 393   CloseTab(0);
 394   observer.Wait();
 395   EXPECT_EQ(1u, active_browser_list_->size());
 396
 397   // Restore the last-closed tab into a new window.
 398   ASSERT_NO_FATAL_FAILURE(RestoreTab(1, 0));
 399   Browser* browser = GetBrowser(1);
 400   EXPECT_EQ(1, browser->tab_strip_model()->count());
 401   EXPECT_EQ(url2_,
 402             browser->tab_strip_model()->GetActiveWebContents()->GetURL());
 403
 404   // Restore the next-to-last-closed tab into the same window.
 405   ASSERT_NO_FATAL_FAILURE(RestoreTab(1, 0));
 406   EXPECT_EQ(2, browser->tab_strip_model()->count());
 407   EXPECT_EQ(url1_,
 408             browser->tab_strip_model()->GetActiveWebContents()->GetURL());
 409 }
 410
 411 // Tests that a duplicate history entry is not created when we restore a page
 412 // to an existing SiteInstance.  (Bug 1230446)
 413 IN_PROC_BROWSER_TEST_F(TabRestoreTest, RestoreWithExistingSiteInstance) {
 414   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 415
 416   GURL http_url1(embedded_test_server()->GetURL("/title1.html"));
 417   GURL http_url2(embedded_test_server()->GetURL("/title2.html"));
 418   int tab_count = browser()->tab_strip_model()->count();
 419
 420   // Add a tab
 421   ui_test_utils::NavigateToURLWithDisposition(
 422       browser(), http_url1, NEW_FOREGROUND_TAB,
 423       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 424   EXPECT_EQ(++tab_count, browser()->tab_strip_model()->count());
 425
 426   // Navigate to another same-site URL.
 427   content::WebContents* tab =
 428       browser()->tab_strip_model()->GetWebContentsAt(tab_count - 1);
 429   content::WindowedNotificationObserver observer(
 430       content::NOTIFICATION_LOAD_STOP,
 431       content::NotificationService::AllSources());
 432   static_cast<content::WebContentsDelegate*>(browser())->OpenURLFromTab(
 433       tab,
 434       content::OpenURLParams(http_url2, content::Referrer(), CURRENT_TAB,
 435                              ui::PAGE_TRANSITION_TYPED, false));
 436   observer.Wait();
 437
 438   // Close the tab.
 439   CloseTab(1);
 440
 441   // Create a new tab to the original site.  Assuming process-per-site is
 442   // enabled, this will ensure that the SiteInstance used by the restored tab
 443   // will already exist when the restore happens.
 444   ui_test_utils::NavigateToURLWithDisposition(
 445       browser(), http_url2, NEW_FOREGROUND_TAB,
 446       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 447
 448   // Restore the closed tab.
 449   ASSERT_NO_FATAL_FAILURE(RestoreTab(0, tab_count - 1));
 450
 451   // And make sure the URLs match.
 452   EXPECT_EQ(http_url2,
 453             browser()->tab_strip_model()->GetActiveWebContents()->GetURL());
 454   GoBack(browser());
 455   EXPECT_EQ(http_url1,
 456             browser()->tab_strip_model()->GetActiveWebContents()->GetURL());
 457 }
 458
 459 // See crbug.com/248574
 460 #if defined(OS_WIN)
 461 #define MAYBE_RestoreCrossSiteWithExistingSiteInstance DISABLED_RestoreCrossSiteWithExistingSiteInstance
 462 #else
 463 #define MAYBE_RestoreCrossSiteWithExistingSiteInstance RestoreCrossSiteWithExistingSiteInstance
 464 #endif
 465
 466 // Tests that the SiteInstances used for entries in a restored tab's history
 467 // are given appropriate max page IDs, even if the renderer for the entry
 468 // already exists.  (Bug 1204135)
 469 IN_PROC_BROWSER_TEST_F(TabRestoreTest,
 470                        MAYBE_RestoreCrossSiteWithExistingSiteInstance) {
 471   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 472
 473   GURL http_url1(embedded_test_server()->GetURL("/title1.html"));
 474   GURL http_url2(embedded_test_server()->GetURL("/title2.html"));
 475
 476   int tab_count = browser()->tab_strip_model()->count();
 477
 478   // Add a tab
 479   ui_test_utils::NavigateToURLWithDisposition(
 480       browser(), http_url1, NEW_FOREGROUND_TAB,
 481       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 482   EXPECT_EQ(++tab_count, browser()->tab_strip_model()->count());
 483
 484   // Navigate to more URLs, then a cross-site URL.
 485   ui_test_utils::NavigateToURLWithDisposition(
 486       browser(), http_url2, CURRENT_TAB,
 487       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 488   ui_test_utils::NavigateToURLWithDisposition(
 489       browser(), http_url1, CURRENT_TAB,
 490       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 491   ui_test_utils::NavigateToURLWithDisposition(
 492       browser(), url1_, CURRENT_TAB,
 493       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 494
 495   // Close the tab.
 496   CloseTab(1);
 497
 498   // Create a new tab to the original site.  Assuming process-per-site is
 499   // enabled, this will ensure that the SiteInstance will already exist when
 500   // the user clicks Back in the restored tab.
 501   ui_test_utils::NavigateToURLWithDisposition(
 502       browser(), http_url2, NEW_FOREGROUND_TAB,
 503       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 504
 505   // Restore the closed tab.
 506   ASSERT_NO_FATAL_FAILURE(RestoreTab(0, tab_count - 1));
 507
 508   // And make sure the URLs match.
 509   EXPECT_EQ(url1_,
 510             browser()->tab_strip_model()->GetActiveWebContents()->GetURL());
 511   GoBack(browser());
 512   EXPECT_EQ(http_url1,
 513             browser()->tab_strip_model()->GetActiveWebContents()->GetURL());
 514
 515   // Navigating to a new URL should clear the forward list, because the max
 516   // page ID of the renderer should have been updated when we restored the tab.
 517   ui_test_utils::NavigateToURLWithDisposition(
 518       browser(), http_url2, CURRENT_TAB,
 519       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 520   EXPECT_FALSE(chrome::CanGoForward(browser()));
 521   EXPECT_EQ(http_url2,
 522             browser()->tab_strip_model()->GetActiveWebContents()->GetURL());
 523 }
 524
 525 IN_PROC_BROWSER_TEST_F(TabRestoreTest, RestoreWindow) {
 526   // Create a new window.
 527   size_t window_count = active_browser_list_->size();
 528   ui_test_utils::NavigateToURLWithDisposition(
 529       browser(), GURL(chrome::kChromeUINewTabURL), NEW_WINDOW,
 530       ui_test_utils::BROWSER_TEST_WAIT_FOR_BROWSER);
 531   EXPECT_EQ(++window_count, active_browser_list_->size());
 532
 533   // Create two more tabs, one with url1, the other url2.
 534   int initial_tab_count = browser()->tab_strip_model()->count();
 535   ui_test_utils::NavigateToURLWithDisposition(
 536       browser(), url1_, NEW_FOREGROUND_TAB,
 537       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 538   ui_test_utils::NavigateToURLWithDisposition(
 539       browser(), url2_, NEW_FOREGROUND_TAB,
 540       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 541
 542   // Close the window.
 543   content::WindowedNotificationObserver close_window_observer(
 544       chrome::NOTIFICATION_BROWSER_CLOSED,
 545       content::NotificationService::AllSources());
 546   chrome::CloseWindow(browser());
 547   close_window_observer.Wait();
 548   EXPECT_EQ(window_count - 1, active_browser_list_->size());
 549
 550   // Restore the window.
 551   content::WindowedNotificationObserver open_window_observer(
 552       chrome::NOTIFICATION_BROWSER_OPENED,
 553       content::NotificationService::AllSources());
 554   content::WindowedNotificationObserver load_stop_observer(
 555       content::NOTIFICATION_LOAD_STOP,
 556       content::NotificationService::AllSources());
 557   chrome::RestoreTab(active_browser_list_->get(0));
 558   open_window_observer.Wait();
 559   EXPECT_EQ(window_count, active_browser_list_->size());
 560
 561   Browser* browser = GetBrowser(1);
 562   EXPECT_EQ(initial_tab_count + 2, browser->tab_strip_model()->count());
 563   load_stop_observer.Wait();
 564
 565   content::WebContents* restored_tab =
 566       browser->tab_strip_model()->GetWebContentsAt(initial_tab_count);
 567   EnsureTabFinishedRestoring(restored_tab);
 568   EXPECT_EQ(url1_, restored_tab->GetURL());
 569
 570   restored_tab =
 571       browser->tab_strip_model()->GetWebContentsAt(initial_tab_count + 1);
 572   EnsureTabFinishedRestoring(restored_tab);
 573   EXPECT_EQ(url2_, restored_tab->GetURL());
 574 }
 575
 576 // Restore tab with special URL chrome://credits/ and make sure the page loads
 577 // properly after restore. See http://crbug.com/31905.
 578 IN_PROC_BROWSER_TEST_F(TabRestoreTest, RestoreTabWithSpecialURL) {
 579   // Navigate new tab to a special URL.
 580   ui_test_utils::NavigateToURLWithDisposition(
 581       browser(), GURL(chrome::kChromeUICreditsURL), NEW_FOREGROUND_TAB,
 582       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 583
 584   // Close the tab.
 585   CloseTab(1);
 586
 587   // Restore the closed tab.
 588   ASSERT_NO_FATAL_FAILURE(RestoreTab(0, 1));
 589   content::WebContents* tab = browser()->tab_strip_model()->GetWebContentsAt(1);
 590   EnsureTabFinishedRestoring(tab);
 591
 592   // See if content is as expected.
 593   EXPECT_GT(
 594       ui_test_utils::FindInPage(tab, base::ASCIIToUTF16("webkit"), true, false,
 595                                 NULL, NULL),
 596       0);
 597 }
 598
 599 // Restore tab with special URL in its navigation history, go back to that
 600 // entry and see that it loads properly. See http://crbug.com/31905
 601 IN_PROC_BROWSER_TEST_F(TabRestoreTest, RestoreTabWithSpecialURLOnBack) {
 602   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 603
 604   const GURL http_url(embedded_test_server()->GetURL("/title1.html"));
 605
 606   // Navigate new tab to a special URL.
 607   ui_test_utils::NavigateToURLWithDisposition(
 608       browser(), GURL(chrome::kChromeUICreditsURL), NEW_FOREGROUND_TAB,
 609       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 610
 611   // Then navigate to a normal URL.
 612   ui_test_utils::NavigateToURL(browser(), http_url);
 613
 614   // Close the tab.
 615   CloseTab(1);
 616
 617   // Restore the closed tab.
 618   ASSERT_NO_FATAL_FAILURE(RestoreTab(0, 1));
 619   content::WebContents* tab = browser()->tab_strip_model()->GetWebContentsAt(1);
 620   EnsureTabFinishedRestoring(tab);
 621   ASSERT_EQ(http_url, tab->GetURL());
 622
 623   // Go back, and see if content is as expected.
 624   GoBack(browser());
 625   EXPECT_GT(
 626       ui_test_utils::FindInPage(tab, base::ASCIIToUTF16("webkit"), true, false,
 627                                 NULL, NULL),
 628       0);
 629 }
 630
 631 IN_PROC_BROWSER_TEST_F(TabRestoreTest, PRE_RestoreOnStartup) {
 632   // This results in a new tab at the end with url1.
 633   AddSomeTabs(browser(), 1);
 634
 635   while (browser()->tab_strip_model()->count())
 636     CloseTab(0);
 637 }
 638
 639 // Verifies restoring a tab works on startup.
 640 IN_PROC_BROWSER_TEST_F(TabRestoreTest, RestoreOnStartup) {
 641   ASSERT_NO_FATAL_FAILURE(RestoreTab(0, 1));
 642   EXPECT_EQ(url1_,
 643             browser()->tab_strip_model()->GetWebContentsAt(1)->GetURL());
 644 }