content/browser/frame_host/navigation_controller_impl_unittest.cc

   1 // Copyright 2013 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/bind.h"
   7 #include "base/files/file_util.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/path_service.h"
  10 #include "base/stl_util.h"
  11 #include "base/strings/string_util.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "base/time/time.h"
  14 #include "content/browser/frame_host/cross_site_transferring_request.h"
  15 #include "content/browser/frame_host/navigation_controller_impl.h"
  16 #include "content/browser/frame_host/navigation_entry_impl.h"
  17 #include "content/browser/frame_host/navigation_entry_screenshot_manager.h"
  18 #include "content/browser/frame_host/navigator.h"
  19 #include "content/browser/site_instance_impl.h"
  20 #include "content/browser/web_contents/web_contents_impl.h"
  21 #include "content/common/frame_messages.h"
  22 #include "content/common/view_messages.h"
  23 #include "content/public/browser/navigation_details.h"
  24 #include "content/public/browser/notification_registrar.h"
  25 #include "content/public/browser/notification_types.h"
  26 #include "content/public/browser/render_view_host.h"
  27 #include "content/public/browser/web_contents_delegate.h"
  28 #include "content/public/browser/web_contents_observer.h"
  29 #include "content/public/common/page_state.h"
  30 #include "content/public/common/url_constants.h"
  31 #include "content/public/test/mock_render_process_host.h"
  32 #include "content/public/test/test_notification_tracker.h"
  33 #include "content/public/test/test_utils.h"
  34 #include "content/test/test_render_frame_host.h"
  35 #include "content/test/test_render_view_host.h"
  36 #include "content/test/test_web_contents.h"
  37 #include "net/base/net_util.h"
  38 #include "skia/ext/platform_canvas.h"
  39 #include "testing/gtest/include/gtest/gtest.h"
  40
  41 using base::Time;
  42
  43 namespace {
  44
  45 // Creates an image with a 1x1 SkBitmap of the specified |color|.
  46 gfx::Image CreateImage(SkColor color) {
  47   SkBitmap bitmap;
  48   bitmap.allocN32Pixels(1, 1);
  49   bitmap.eraseColor(color);
  50   return gfx::Image::CreateFrom1xBitmap(bitmap);
  51 }
  52
  53 // Returns true if images |a| and |b| have the same pixel data.
  54 bool DoImagesMatch(const gfx::Image& a, const gfx::Image& b) {
  55   // Assume that if the 1x bitmaps match, the images match.
  56   SkBitmap a_bitmap = a.AsBitmap();
  57   SkBitmap b_bitmap = b.AsBitmap();
  58
  59   if (a_bitmap.width() != b_bitmap.width() ||
  60       a_bitmap.height() != b_bitmap.height()) {
  61     return false;
  62   }
  63   SkAutoLockPixels a_bitmap_lock(a_bitmap);
  64   SkAutoLockPixels b_bitmap_lock(b_bitmap);
  65   return memcmp(a_bitmap.getPixels(),
  66                 b_bitmap.getPixels(),
  67                 a_bitmap.getSize()) == 0;
  68 }
  69
  70 class MockScreenshotManager : public content::NavigationEntryScreenshotManager {
  71  public:
  72   explicit MockScreenshotManager(content::NavigationControllerImpl* owner)
  73       : content::NavigationEntryScreenshotManager(owner),
  74         encoding_screenshot_in_progress_(false) {
  75   }
  76
  77   virtual ~MockScreenshotManager() {
  78   }
  79
  80   void TakeScreenshotFor(content::NavigationEntryImpl* entry) {
  81     SkBitmap bitmap;
  82     bitmap.allocPixels(SkImageInfo::Make(
  83         1, 1, kAlpha_8_SkColorType, kPremul_SkAlphaType));
  84     bitmap.eraseARGB(0, 0, 0, 0);
  85     encoding_screenshot_in_progress_ = true;
  86     OnScreenshotTaken(entry->GetUniqueID(), true, bitmap);
  87     WaitUntilScreenshotIsReady();
  88   }
  89
  90   int GetScreenshotCount() {
  91     return content::NavigationEntryScreenshotManager::GetScreenshotCount();
  92   }
  93
  94   void WaitUntilScreenshotIsReady() {
  95     if (!encoding_screenshot_in_progress_)
  96       return;
  97     message_loop_runner_ = new content::MessageLoopRunner;
  98     message_loop_runner_->Run();
  99   }
 100
 101  private:
 102   // Overridden from content::NavigationEntryScreenshotManager:
 103   virtual void TakeScreenshotImpl(
 104       content::RenderViewHost* host,
 105       content::NavigationEntryImpl* entry) OVERRIDE {
 106   }
 107
 108   virtual void OnScreenshotSet(content::NavigationEntryImpl* entry) OVERRIDE {
 109     encoding_screenshot_in_progress_ = false;
 110     NavigationEntryScreenshotManager::OnScreenshotSet(entry);
 111     if (message_loop_runner_.get())
 112       message_loop_runner_->Quit();
 113   }
 114
 115   scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
 116   bool encoding_screenshot_in_progress_;
 117
 118   DISALLOW_COPY_AND_ASSIGN(MockScreenshotManager);
 119 };
 120
 121 }  // namespace
 122
 123 namespace content {
 124
 125 // TimeSmoother tests ----------------------------------------------------------
 126
 127 // With no duplicates, GetSmoothedTime should be the identity
 128 // function.
 129 TEST(TimeSmoother, Basic) {
 130   NavigationControllerImpl::TimeSmoother smoother;
 131   for (int64 i = 1; i < 1000; ++i) {
 132     base::Time t = base::Time::FromInternalValue(i);
 133     EXPECT_EQ(t, smoother.GetSmoothedTime(t));
 134   }
 135 }
 136
 137 // With a single duplicate and timestamps thereafter increasing by one
 138 // microsecond, the smoothed time should always be one behind.
 139 TEST(TimeSmoother, SingleDuplicate) {
 140   NavigationControllerImpl::TimeSmoother smoother;
 141   base::Time t = base::Time::FromInternalValue(1);
 142   EXPECT_EQ(t, smoother.GetSmoothedTime(t));
 143   for (int64 i = 1; i < 1000; ++i) {
 144     base::Time expected_t = base::Time::FromInternalValue(i + 1);
 145     t = base::Time::FromInternalValue(i);
 146     EXPECT_EQ(expected_t, smoother.GetSmoothedTime(t));
 147   }
 148 }
 149
 150 // With k duplicates and timestamps thereafter increasing by one
 151 // microsecond, the smoothed time should always be k behind.
 152 TEST(TimeSmoother, ManyDuplicates) {
 153   const int64 kNumDuplicates = 100;
 154   NavigationControllerImpl::TimeSmoother smoother;
 155   base::Time t = base::Time::FromInternalValue(1);
 156   for (int64 i = 0; i < kNumDuplicates; ++i) {
 157     base::Time expected_t = base::Time::FromInternalValue(i + 1);
 158     EXPECT_EQ(expected_t, smoother.GetSmoothedTime(t));
 159   }
 160   for (int64 i = 1; i < 1000; ++i) {
 161     base::Time expected_t =
 162         base::Time::FromInternalValue(i + kNumDuplicates);
 163     t = base::Time::FromInternalValue(i);
 164     EXPECT_EQ(expected_t, smoother.GetSmoothedTime(t));
 165   }
 166 }
 167
 168 // If the clock jumps far back enough after a run of duplicates, it
 169 // should immediately jump to that value.
 170 TEST(TimeSmoother, ClockBackwardsJump) {
 171   const int64 kNumDuplicates = 100;
 172   NavigationControllerImpl::TimeSmoother smoother;
 173   base::Time t = base::Time::FromInternalValue(1000);
 174   for (int64 i = 0; i < kNumDuplicates; ++i) {
 175     base::Time expected_t = base::Time::FromInternalValue(i + 1000);
 176     EXPECT_EQ(expected_t, smoother.GetSmoothedTime(t));
 177   }
 178   t = base::Time::FromInternalValue(500);
 179   EXPECT_EQ(t, smoother.GetSmoothedTime(t));
 180 }
 181
 182 // NavigationControllerTest ----------------------------------------------------
 183
 184 class NavigationControllerTest
 185     : public RenderViewHostImplTestHarness,
 186       public WebContentsObserver {
 187  public:
 188   NavigationControllerTest() : navigation_entry_committed_counter_(0) {
 189   }
 190
 191   virtual void SetUp() OVERRIDE {
 192     RenderViewHostImplTestHarness::SetUp();
 193     WebContents* web_contents = RenderViewHostImplTestHarness::web_contents();
 194     ASSERT_TRUE(web_contents);  // The WebContents should be created by now.
 195     WebContentsObserver::Observe(web_contents);
 196   }
 197
 198   // WebContentsObserver:
 199   virtual void DidStartNavigationToPendingEntry(
 200       const GURL& url,
 201       NavigationController::ReloadType reload_type) OVERRIDE {
 202     navigated_url_ = url;
 203   }
 204
 205   virtual void NavigationEntryCommitted(
 206       const LoadCommittedDetails& load_details) OVERRIDE {
 207     navigation_entry_committed_counter_++;
 208   }
 209
 210   const GURL& navigated_url() const {
 211     return navigated_url_;
 212   }
 213
 214   NavigationControllerImpl& controller_impl() {
 215     return static_cast<NavigationControllerImpl&>(controller());
 216   }
 217
 218  protected:
 219   GURL navigated_url_;
 220   size_t navigation_entry_committed_counter_;
 221 };
 222
 223 void RegisterForAllNavNotifications(TestNotificationTracker* tracker,
 224                                     NavigationController* controller) {
 225   tracker->ListenFor(NOTIFICATION_NAV_LIST_PRUNED,
 226                      Source<NavigationController>(controller));
 227   tracker->ListenFor(NOTIFICATION_NAV_ENTRY_CHANGED,
 228                      Source<NavigationController>(controller));
 229 }
 230
 231 SiteInstance* GetSiteInstanceFromEntry(NavigationEntry* entry) {
 232   return NavigationEntryImpl::FromNavigationEntry(entry)->site_instance();
 233 }
 234
 235 class TestWebContentsDelegate : public WebContentsDelegate {
 236  public:
 237   explicit TestWebContentsDelegate() :
 238       navigation_state_change_count_(0),
 239       repost_form_warning_count_(0) {}
 240
 241   int navigation_state_change_count() {
 242     return navigation_state_change_count_;
 243   }
 244
 245   int repost_form_warning_count() {
 246     return repost_form_warning_count_;
 247   }
 248
 249   // Keep track of whether the tab has notified us of a navigation state change.
 250   virtual void NavigationStateChanged(const WebContents* source,
 251                                       InvalidateTypes changed_flags) OVERRIDE {
 252     navigation_state_change_count_++;
 253   }
 254
 255   virtual void ShowRepostFormWarningDialog(WebContents* source) OVERRIDE {
 256     repost_form_warning_count_++;
 257   }
 258
 259  private:
 260   // The number of times NavigationStateChanged has been called.
 261   int navigation_state_change_count_;
 262
 263   // The number of times ShowRepostFormWarningDialog() was called.
 264   int repost_form_warning_count_;
 265 };
 266
 267 // -----------------------------------------------------------------------------
 268
 269 TEST_F(NavigationControllerTest, Defaults) {
 270   NavigationControllerImpl& controller = controller_impl();
 271
 272   EXPECT_FALSE(controller.GetPendingEntry());
 273   EXPECT_FALSE(controller.GetVisibleEntry());
 274   EXPECT_FALSE(controller.GetLastCommittedEntry());
 275   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
 276   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), -1);
 277   EXPECT_EQ(controller.GetEntryCount(), 0);
 278   EXPECT_FALSE(controller.CanGoBack());
 279   EXPECT_FALSE(controller.CanGoForward());
 280 }
 281
 282 TEST_F(NavigationControllerTest, GoToOffset) {
 283   NavigationControllerImpl& controller = controller_impl();
 284   TestNotificationTracker notifications;
 285   RegisterForAllNavNotifications(&notifications, &controller);
 286
 287   const int kNumUrls = 5;
 288   std::vector<GURL> urls(kNumUrls);
 289   for (int i = 0; i < kNumUrls; ++i) {
 290     urls[i] = GURL(base::StringPrintf("http://www.a.com/%d", i));
 291   }
 292
 293   main_test_rfh()->SendNavigate(0, urls[0]);
 294   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 295   navigation_entry_committed_counter_ = 0;
 296   EXPECT_EQ(urls[0], controller.GetVisibleEntry()->GetVirtualURL());
 297   EXPECT_FALSE(controller.CanGoBack());
 298   EXPECT_FALSE(controller.CanGoForward());
 299   EXPECT_FALSE(controller.CanGoToOffset(1));
 300
 301   for (int i = 1; i <= 4; ++i) {
 302     main_test_rfh()->SendNavigate(i, urls[i]);
 303     EXPECT_EQ(1U, navigation_entry_committed_counter_);
 304     navigation_entry_committed_counter_ = 0;
 305     EXPECT_EQ(urls[i], controller.GetVisibleEntry()->GetVirtualURL());
 306     EXPECT_TRUE(controller.CanGoToOffset(-i));
 307     EXPECT_FALSE(controller.CanGoToOffset(-(i + 1)));
 308     EXPECT_FALSE(controller.CanGoToOffset(1));
 309   }
 310
 311   // We have loaded 5 pages, and are currently at the last-loaded page.
 312   int url_index = 4;
 313
 314   enum Tests {
 315     GO_TO_MIDDLE_PAGE = -2,
 316     GO_FORWARDS = 1,
 317     GO_BACKWARDS = -1,
 318     GO_TO_BEGINNING = -2,
 319     GO_TO_END = 4,
 320     NUM_TESTS = 5,
 321   };
 322
 323   const int test_offsets[NUM_TESTS] = {
 324     GO_TO_MIDDLE_PAGE,
 325     GO_FORWARDS,
 326     GO_BACKWARDS,
 327     GO_TO_BEGINNING,
 328     GO_TO_END
 329   };
 330
 331   for (int test = 0; test < NUM_TESTS; ++test) {
 332     int offset = test_offsets[test];
 333     controller.GoToOffset(offset);
 334     url_index += offset;
 335     // Check that the GoToOffset will land on the expected page.
 336     EXPECT_EQ(urls[url_index], controller.GetPendingEntry()->GetVirtualURL());
 337     main_test_rfh()->SendNavigate(url_index, urls[url_index]);
 338     EXPECT_EQ(1U, navigation_entry_committed_counter_);
 339     navigation_entry_committed_counter_ = 0;
 340     // Check that we can go to any valid offset into the history.
 341     for (size_t j = 0; j < urls.size(); ++j)
 342       EXPECT_TRUE(controller.CanGoToOffset(j - url_index));
 343     // Check that we can't go beyond the beginning or end of the history.
 344     EXPECT_FALSE(controller.CanGoToOffset(-(url_index + 1)));
 345     EXPECT_FALSE(controller.CanGoToOffset(urls.size() - url_index));
 346   }
 347 }
 348
 349 TEST_F(NavigationControllerTest, LoadURL) {
 350   NavigationControllerImpl& controller = controller_impl();
 351   TestNotificationTracker notifications;
 352   RegisterForAllNavNotifications(&notifications, &controller);
 353
 354   const GURL url1("http://foo1");
 355   const GURL url2("http://foo2");
 356
 357   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 358   // Creating a pending notification should not have issued any of the
 359   // notifications we're listening for.
 360   EXPECT_EQ(0U, notifications.size());
 361
 362   // The load should now be pending.
 363   EXPECT_EQ(controller.GetEntryCount(), 0);
 364   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), -1);
 365   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
 366   EXPECT_FALSE(controller.GetLastCommittedEntry());
 367   ASSERT_TRUE(controller.GetPendingEntry());
 368   EXPECT_EQ(controller.GetPendingEntry(), controller.GetVisibleEntry());
 369   EXPECT_FALSE(controller.CanGoBack());
 370   EXPECT_FALSE(controller.CanGoForward());
 371   EXPECT_EQ(contents()->GetMaxPageID(), -1);
 372
 373   // Neither the timestamp nor the status code should have been set yet.
 374   EXPECT_TRUE(controller.GetPendingEntry()->GetTimestamp().is_null());
 375   EXPECT_EQ(0, controller.GetPendingEntry()->GetHttpStatusCode());
 376
 377   // We should have gotten no notifications from the preceeding checks.
 378   EXPECT_EQ(0U, notifications.size());
 379
 380   main_test_rfh()->SendNavigate(0, url1);
 381   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 382   navigation_entry_committed_counter_ = 0;
 383
 384   // The load should now be committed.
 385   EXPECT_EQ(controller.GetEntryCount(), 1);
 386   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
 387   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
 388   EXPECT_TRUE(controller.GetLastCommittedEntry());
 389   EXPECT_FALSE(controller.GetPendingEntry());
 390   ASSERT_TRUE(controller.GetVisibleEntry());
 391   EXPECT_FALSE(controller.CanGoBack());
 392   EXPECT_FALSE(controller.CanGoForward());
 393   EXPECT_EQ(contents()->GetMaxPageID(), 0);
 394   EXPECT_EQ(0, NavigationEntryImpl::FromNavigationEntry(
 395       controller.GetLastCommittedEntry())->bindings());
 396
 397   // The timestamp should have been set.
 398   EXPECT_FALSE(controller.GetVisibleEntry()->GetTimestamp().is_null());
 399
 400   // Load another...
 401   controller.LoadURL(url2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 402
 403   // The load should now be pending.
 404   EXPECT_EQ(controller.GetEntryCount(), 1);
 405   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
 406   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
 407   EXPECT_TRUE(controller.GetLastCommittedEntry());
 408   ASSERT_TRUE(controller.GetPendingEntry());
 409   EXPECT_EQ(controller.GetPendingEntry(), controller.GetVisibleEntry());
 410   // TODO(darin): maybe this should really be true?
 411   EXPECT_FALSE(controller.CanGoBack());
 412   EXPECT_FALSE(controller.CanGoForward());
 413   EXPECT_EQ(contents()->GetMaxPageID(), 0);
 414
 415   EXPECT_TRUE(controller.GetPendingEntry()->GetTimestamp().is_null());
 416
 417   // Simulate the beforeunload ack for the cross-site transition, and then the
 418   // commit.
 419   test_rvh()->SendBeforeUnloadACK(true);
 420   contents()->GetPendingMainFrame()->SendNavigate(1, url2);
 421   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 422   navigation_entry_committed_counter_ = 0;
 423
 424   // The load should now be committed.
 425   EXPECT_EQ(controller.GetEntryCount(), 2);
 426   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 1);
 427   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
 428   EXPECT_TRUE(controller.GetLastCommittedEntry());
 429   EXPECT_FALSE(controller.GetPendingEntry());
 430   ASSERT_TRUE(controller.GetVisibleEntry());
 431   EXPECT_TRUE(controller.CanGoBack());
 432   EXPECT_FALSE(controller.CanGoForward());
 433   EXPECT_EQ(contents()->GetMaxPageID(), 1);
 434
 435   EXPECT_FALSE(controller.GetVisibleEntry()->GetTimestamp().is_null());
 436 }
 437
 438 namespace {
 439
 440 base::Time GetFixedTime(base::Time time) {
 441   return time;
 442 }
 443
 444 }  // namespace
 445
 446 TEST_F(NavigationControllerTest, LoadURLSameTime) {
 447   NavigationControllerImpl& controller = controller_impl();
 448   TestNotificationTracker notifications;
 449   RegisterForAllNavNotifications(&notifications, &controller);
 450
 451   // Set the clock to always return a timestamp of 1.
 452   controller.SetGetTimestampCallbackForTest(
 453       base::Bind(&GetFixedTime, base::Time::FromInternalValue(1)));
 454
 455   const GURL url1("http://foo1");
 456   const GURL url2("http://foo2");
 457
 458   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 459
 460   main_test_rfh()->SendNavigate(0, url1);
 461   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 462   navigation_entry_committed_counter_ = 0;
 463
 464   // Load another...
 465   controller.LoadURL(url2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 466
 467   // Simulate the beforeunload ack for the cross-site transition, and then the
 468   // commit.
 469   test_rvh()->SendBeforeUnloadACK(true);
 470   main_test_rfh()->SendNavigate(1, url2);
 471   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 472   navigation_entry_committed_counter_ = 0;
 473
 474   // The two loads should now be committed.
 475   ASSERT_EQ(controller.GetEntryCount(), 2);
 476
 477   // Timestamps should be distinct despite the clock returning the
 478   // same value.
 479   EXPECT_EQ(1u,
 480             controller.GetEntryAtIndex(0)->GetTimestamp().ToInternalValue());
 481   EXPECT_EQ(2u,
 482             controller.GetEntryAtIndex(1)->GetTimestamp().ToInternalValue());
 483 }
 484
 485 void CheckNavigationEntryMatchLoadParams(
 486     NavigationController::LoadURLParams& load_params,
 487     NavigationEntryImpl* entry) {
 488   EXPECT_EQ(load_params.url, entry->GetURL());
 489   EXPECT_EQ(load_params.referrer.url, entry->GetReferrer().url);
 490   EXPECT_EQ(load_params.referrer.policy, entry->GetReferrer().policy);
 491   EXPECT_EQ(load_params.transition_type, entry->GetTransitionType());
 492   EXPECT_EQ(load_params.extra_headers, entry->extra_headers());
 493
 494   EXPECT_EQ(load_params.is_renderer_initiated, entry->is_renderer_initiated());
 495   EXPECT_EQ(load_params.base_url_for_data_url, entry->GetBaseURLForDataURL());
 496   if (!load_params.virtual_url_for_data_url.is_empty()) {
 497     EXPECT_EQ(load_params.virtual_url_for_data_url, entry->GetVirtualURL());
 498   }
 499   if (NavigationController::UA_OVERRIDE_INHERIT !=
 500       load_params.override_user_agent) {
 501     bool should_override = (NavigationController::UA_OVERRIDE_TRUE ==
 502         load_params.override_user_agent);
 503     EXPECT_EQ(should_override, entry->GetIsOverridingUserAgent());
 504   }
 505   EXPECT_EQ(load_params.browser_initiated_post_data.get(),
 506             entry->GetBrowserInitiatedPostData());
 507   EXPECT_EQ(load_params.transferred_global_request_id,
 508       entry->transferred_global_request_id());
 509 }
 510
 511 TEST_F(NavigationControllerTest, LoadURLWithParams) {
 512   NavigationControllerImpl& controller = controller_impl();
 513
 514   NavigationController::LoadURLParams load_params(GURL("http://foo"));
 515   load_params.referrer =
 516       Referrer(GURL("http://referrer"), blink::WebReferrerPolicyDefault);
 517   load_params.transition_type = PAGE_TRANSITION_GENERATED;
 518   load_params.extra_headers = "content-type: text/plain";
 519   load_params.load_type = NavigationController::LOAD_TYPE_DEFAULT;
 520   load_params.is_renderer_initiated = true;
 521   load_params.override_user_agent = NavigationController::UA_OVERRIDE_TRUE;
 522   load_params.transferred_global_request_id = GlobalRequestID(2, 3);
 523
 524   controller.LoadURLWithParams(load_params);
 525   NavigationEntryImpl* entry =
 526       NavigationEntryImpl::FromNavigationEntry(
 527           controller.GetPendingEntry());
 528
 529   // The timestamp should not have been set yet.
 530   ASSERT_TRUE(entry);
 531   EXPECT_TRUE(entry->GetTimestamp().is_null());
 532
 533   CheckNavigationEntryMatchLoadParams(load_params, entry);
 534 }
 535
 536 TEST_F(NavigationControllerTest, LoadURLWithExtraParams_Data) {
 537   NavigationControllerImpl& controller = controller_impl();
 538
 539   NavigationController::LoadURLParams load_params(
 540       GURL("data:text/html,dataurl"));
 541   load_params.load_type = NavigationController::LOAD_TYPE_DATA;
 542   load_params.base_url_for_data_url = GURL("http://foo");
 543   load_params.virtual_url_for_data_url = GURL(url::kAboutBlankURL);
 544   load_params.override_user_agent = NavigationController::UA_OVERRIDE_FALSE;
 545
 546   controller.LoadURLWithParams(load_params);
 547   NavigationEntryImpl* entry =
 548       NavigationEntryImpl::FromNavigationEntry(
 549           controller.GetPendingEntry());
 550
 551   CheckNavigationEntryMatchLoadParams(load_params, entry);
 552 }
 553
 554 TEST_F(NavigationControllerTest, LoadURLWithExtraParams_HttpPost) {
 555   NavigationControllerImpl& controller = controller_impl();
 556
 557   NavigationController::LoadURLParams load_params(GURL("https://posturl"));
 558   load_params.transition_type = PAGE_TRANSITION_TYPED;
 559   load_params.load_type =
 560       NavigationController::LOAD_TYPE_BROWSER_INITIATED_HTTP_POST;
 561   load_params.override_user_agent = NavigationController::UA_OVERRIDE_TRUE;
 562
 563
 564   const unsigned char* raw_data =
 565       reinterpret_cast<const unsigned char*>("d\n\0a2");
 566   const int length = 5;
 567   std::vector<unsigned char> post_data_vector(raw_data, raw_data+length);
 568   scoped_refptr<base::RefCountedBytes> data =
 569       base::RefCountedBytes::TakeVector(&post_data_vector);
 570   load_params.browser_initiated_post_data = data.get();
 571
 572   controller.LoadURLWithParams(load_params);
 573   NavigationEntryImpl* entry =
 574       NavigationEntryImpl::FromNavigationEntry(
 575           controller.GetPendingEntry());
 576
 577   CheckNavigationEntryMatchLoadParams(load_params, entry);
 578 }
 579
 580 // Tests what happens when the same page is loaded again.  Should not create a
 581 // new session history entry. This is what happens when you press enter in the
 582 // URL bar to reload: a pending entry is created and then it is discarded when
 583 // the load commits (because WebCore didn't actually make a new entry).
 584 TEST_F(NavigationControllerTest, LoadURL_SamePage) {
 585   NavigationControllerImpl& controller = controller_impl();
 586   TestNotificationTracker notifications;
 587   RegisterForAllNavNotifications(&notifications, &controller);
 588
 589   const GURL url1("http://foo1");
 590
 591   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 592   EXPECT_EQ(0U, notifications.size());
 593   main_test_rfh()->SendNavigate(0, url1);
 594   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 595   navigation_entry_committed_counter_ = 0;
 596
 597   ASSERT_TRUE(controller.GetVisibleEntry());
 598   const base::Time timestamp = controller.GetVisibleEntry()->GetTimestamp();
 599   EXPECT_FALSE(timestamp.is_null());
 600
 601   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 602   EXPECT_EQ(0U, notifications.size());
 603   main_test_rfh()->SendNavigate(0, url1);
 604   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 605   navigation_entry_committed_counter_ = 0;
 606
 607   // We should not have produced a new session history entry.
 608   EXPECT_EQ(controller.GetEntryCount(), 1);
 609   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
 610   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
 611   EXPECT_TRUE(controller.GetLastCommittedEntry());
 612   EXPECT_FALSE(controller.GetPendingEntry());
 613   ASSERT_TRUE(controller.GetVisibleEntry());
 614   EXPECT_FALSE(controller.CanGoBack());
 615   EXPECT_FALSE(controller.CanGoForward());
 616
 617   // The timestamp should have been updated.
 618   //
 619   // TODO(akalin): Change this EXPECT_GE (and other similar ones) to
 620   // EXPECT_GT once we guarantee that timestamps are unique.
 621   EXPECT_GE(controller.GetVisibleEntry()->GetTimestamp(), timestamp);
 622 }
 623
 624 // Load the same page twice, once as a GET and once as a POST.
 625 // We should update the post state on the NavigationEntry.
 626 TEST_F(NavigationControllerTest, LoadURL_SamePage_DifferentMethod) {
 627   NavigationControllerImpl& controller = controller_impl();
 628   TestNotificationTracker notifications;
 629   RegisterForAllNavNotifications(&notifications, &controller);
 630
 631   const GURL url1("http://foo1");
 632
 633   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 634   FrameHostMsg_DidCommitProvisionalLoad_Params params;
 635   params.page_id = 0;
 636   params.url = url1;
 637   params.transition = PAGE_TRANSITION_TYPED;
 638   params.is_post = true;
 639   params.post_id = 123;
 640   params.page_state = PageState::CreateForTesting(url1, false, 0, 0);
 641   main_test_rfh()->SendNavigateWithParams(&params);
 642
 643   // The post data should be visible.
 644   NavigationEntry* entry = controller.GetVisibleEntry();
 645   ASSERT_TRUE(entry);
 646   EXPECT_TRUE(entry->GetHasPostData());
 647   EXPECT_EQ(entry->GetPostID(), 123);
 648
 649   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 650   main_test_rfh()->SendNavigate(0, url1);
 651
 652   // We should not have produced a new session history entry.
 653   ASSERT_EQ(controller.GetVisibleEntry(), entry);
 654
 655   // The post data should have been cleared due to the GET.
 656   EXPECT_FALSE(entry->GetHasPostData());
 657   EXPECT_EQ(entry->GetPostID(), 0);
 658 }
 659
 660 // Tests loading a URL but discarding it before the load commits.
 661 TEST_F(NavigationControllerTest, LoadURL_Discarded) {
 662   NavigationControllerImpl& controller = controller_impl();
 663   TestNotificationTracker notifications;
 664   RegisterForAllNavNotifications(&notifications, &controller);
 665
 666   const GURL url1("http://foo1");
 667   const GURL url2("http://foo2");
 668
 669   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 670   EXPECT_EQ(0U, notifications.size());
 671   main_test_rfh()->SendNavigate(0, url1);
 672   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 673   navigation_entry_committed_counter_ = 0;
 674
 675   ASSERT_TRUE(controller.GetVisibleEntry());
 676   const base::Time timestamp = controller.GetVisibleEntry()->GetTimestamp();
 677   EXPECT_FALSE(timestamp.is_null());
 678
 679   controller.LoadURL(url2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 680   controller.DiscardNonCommittedEntries();
 681   EXPECT_EQ(0U, notifications.size());
 682
 683   // Should not have produced a new session history entry.
 684   EXPECT_EQ(controller.GetEntryCount(), 1);
 685   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
 686   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
 687   EXPECT_TRUE(controller.GetLastCommittedEntry());
 688   EXPECT_FALSE(controller.GetPendingEntry());
 689   ASSERT_TRUE(controller.GetVisibleEntry());
 690   EXPECT_FALSE(controller.CanGoBack());
 691   EXPECT_FALSE(controller.CanGoForward());
 692
 693   // Timestamp should not have changed.
 694   EXPECT_EQ(timestamp, controller.GetVisibleEntry()->GetTimestamp());
 695 }
 696
 697 // Tests navigations that come in unrequested. This happens when the user
 698 // navigates from the web page, and here we test that there is no pending entry.
 699 TEST_F(NavigationControllerTest, LoadURL_NoPending) {
 700   NavigationControllerImpl& controller = controller_impl();
 701   TestNotificationTracker notifications;
 702   RegisterForAllNavNotifications(&notifications, &controller);
 703
 704   // First make an existing committed entry.
 705   const GURL kExistingURL1("http://eh");
 706   controller.LoadURL(
 707       kExistingURL1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 708   main_test_rfh()->SendNavigate(0, kExistingURL1);
 709   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 710   navigation_entry_committed_counter_ = 0;
 711
 712   // Do a new navigation without making a pending one.
 713   const GURL kNewURL("http://see");
 714   main_test_rfh()->SendNavigate(99, kNewURL);
 715
 716   // There should no longer be any pending entry, and the third navigation we
 717   // just made should be committed.
 718   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 719   navigation_entry_committed_counter_ = 0;
 720   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
 721   EXPECT_EQ(1, controller.GetLastCommittedEntryIndex());
 722   EXPECT_EQ(kNewURL, controller.GetVisibleEntry()->GetURL());
 723 }
 724
 725 // Tests navigating to a new URL when there is a new pending navigation that is
 726 // not the one that just loaded. This will happen if the user types in a URL to
 727 // somewhere slow, and then navigates the current page before the typed URL
 728 // commits.
 729 TEST_F(NavigationControllerTest, LoadURL_NewPending) {
 730   NavigationControllerImpl& controller = controller_impl();
 731   TestNotificationTracker notifications;
 732   RegisterForAllNavNotifications(&notifications, &controller);
 733
 734   // First make an existing committed entry.
 735   const GURL kExistingURL1("http://eh");
 736   controller.LoadURL(
 737       kExistingURL1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 738   main_test_rfh()->SendNavigate(0, kExistingURL1);
 739   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 740   navigation_entry_committed_counter_ = 0;
 741
 742   // Make a pending entry to somewhere new.
 743   const GURL kExistingURL2("http://bee");
 744   controller.LoadURL(
 745       kExistingURL2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 746   EXPECT_EQ(0U, notifications.size());
 747
 748   // After the beforeunload but before it commits, do a new navigation.
 749   test_rvh()->SendBeforeUnloadACK(true);
 750   const GURL kNewURL("http://see");
 751   contents()->GetPendingMainFrame()->SendNavigate(3, kNewURL);
 752
 753   // There should no longer be any pending entry, and the third navigation we
 754   // just made should be committed.
 755   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 756   navigation_entry_committed_counter_ = 0;
 757   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
 758   EXPECT_EQ(1, controller.GetLastCommittedEntryIndex());
 759   EXPECT_EQ(kNewURL, controller.GetVisibleEntry()->GetURL());
 760 }
 761
 762 // Tests navigating to a new URL when there is a pending back/forward
 763 // navigation. This will happen if the user hits back, but before that commits,
 764 // they navigate somewhere new.
 765 TEST_F(NavigationControllerTest, LoadURL_ExistingPending) {
 766   NavigationControllerImpl& controller = controller_impl();
 767   TestNotificationTracker notifications;
 768   RegisterForAllNavNotifications(&notifications, &controller);
 769
 770   // First make some history.
 771   const GURL kExistingURL1("http://foo/eh");
 772   controller.LoadURL(
 773       kExistingURL1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 774   main_test_rfh()->SendNavigate(0, kExistingURL1);
 775   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 776   navigation_entry_committed_counter_ = 0;
 777
 778   const GURL kExistingURL2("http://foo/bee");
 779   controller.LoadURL(
 780       kExistingURL2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 781   main_test_rfh()->SendNavigate(1, kExistingURL2);
 782   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 783   navigation_entry_committed_counter_ = 0;
 784
 785   // Now make a pending back/forward navigation. The zeroth entry should be
 786   // pending.
 787   controller.GoBack();
 788   EXPECT_EQ(0U, notifications.size());
 789   EXPECT_EQ(0, controller.GetPendingEntryIndex());
 790   EXPECT_EQ(1, controller.GetLastCommittedEntryIndex());
 791
 792   // Before that commits, do a new navigation.
 793   const GURL kNewURL("http://foo/see");
 794   LoadCommittedDetails details;
 795   main_test_rfh()->SendNavigate(3, kNewURL);
 796
 797   // There should no longer be any pending entry, and the third navigation we
 798   // just made should be committed.
 799   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 800   navigation_entry_committed_counter_ = 0;
 801   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
 802   EXPECT_EQ(2, controller.GetLastCommittedEntryIndex());
 803   EXPECT_EQ(kNewURL, controller.GetVisibleEntry()->GetURL());
 804 }
 805
 806 // Tests navigating to a new URL when there is a pending back/forward
 807 // navigation to a cross-process, privileged URL. This will happen if the user
 808 // hits back, but before that commits, they navigate somewhere new.
 809 TEST_F(NavigationControllerTest, LoadURL_PrivilegedPending) {
 810   NavigationControllerImpl& controller = controller_impl();
 811   TestNotificationTracker notifications;
 812   RegisterForAllNavNotifications(&notifications, &controller);
 813
 814   // First make some history, starting with a privileged URL.
 815   const GURL kExistingURL1("http://privileged");
 816   controller.LoadURL(
 817       kExistingURL1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 818   // Pretend it has bindings so we can tell if we incorrectly copy it.
 819   test_rvh()->AllowBindings(2);
 820   main_test_rfh()->SendNavigate(0, kExistingURL1);
 821   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 822   navigation_entry_committed_counter_ = 0;
 823
 824   // Navigate cross-process to a second URL.
 825   const GURL kExistingURL2("http://foo/eh");
 826   controller.LoadURL(
 827       kExistingURL2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 828   test_rvh()->SendBeforeUnloadACK(true);
 829   TestRenderFrameHost* foo_rfh = contents()->GetPendingMainFrame();
 830   foo_rfh->SendNavigate(1, kExistingURL2);
 831   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 832   navigation_entry_committed_counter_ = 0;
 833
 834   // Now make a pending back/forward navigation to a privileged entry.
 835   // The zeroth entry should be pending.
 836   controller.GoBack();
 837   foo_rfh->GetRenderViewHost()->SendBeforeUnloadACK(true);
 838   EXPECT_EQ(0U, notifications.size());
 839   EXPECT_EQ(0, controller.GetPendingEntryIndex());
 840   EXPECT_EQ(1, controller.GetLastCommittedEntryIndex());
 841   EXPECT_EQ(2, NavigationEntryImpl::FromNavigationEntry(
 842                 controller.GetPendingEntry())->bindings());
 843
 844   // Before that commits, do a new navigation.
 845   const GURL kNewURL("http://foo/bee");
 846   LoadCommittedDetails details;
 847   foo_rfh->SendNavigate(3, kNewURL);
 848
 849   // There should no longer be any pending entry, and the third navigation we
 850   // just made should be committed.
 851   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 852   navigation_entry_committed_counter_ = 0;
 853   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
 854   EXPECT_EQ(2, controller.GetLastCommittedEntryIndex());
 855   EXPECT_EQ(kNewURL, controller.GetVisibleEntry()->GetURL());
 856   EXPECT_EQ(0, NavigationEntryImpl::FromNavigationEntry(
 857                 controller.GetLastCommittedEntry())->bindings());
 858 }
 859
 860 // Tests navigating to an existing URL when there is a pending new navigation.
 861 // This will happen if the user enters a URL, but before that commits, the
 862 // current page fires history.back().
 863 TEST_F(NavigationControllerTest, LoadURL_BackPreemptsPending) {
 864   NavigationControllerImpl& controller = controller_impl();
 865   TestNotificationTracker notifications;
 866   RegisterForAllNavNotifications(&notifications, &controller);
 867
 868   // First make some history.
 869   const GURL kExistingURL1("http://foo/eh");
 870   controller.LoadURL(
 871       kExistingURL1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 872   main_test_rfh()->SendNavigate(0, kExistingURL1);
 873   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 874   navigation_entry_committed_counter_ = 0;
 875
 876   const GURL kExistingURL2("http://foo/bee");
 877   controller.LoadURL(
 878       kExistingURL2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 879   main_test_rfh()->SendNavigate(1, kExistingURL2);
 880   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 881   navigation_entry_committed_counter_ = 0;
 882
 883   // Now make a pending new navigation.
 884   const GURL kNewURL("http://foo/see");
 885   controller.LoadURL(
 886       kNewURL, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 887   EXPECT_EQ(0U, notifications.size());
 888   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
 889   EXPECT_EQ(1, controller.GetLastCommittedEntryIndex());
 890
 891   // Before that commits, a back navigation from the renderer commits.
 892   main_test_rfh()->SendNavigate(0, kExistingURL1);
 893
 894   // There should no longer be any pending entry, and the back navigation we
 895   // just made should be committed.
 896   EXPECT_EQ(1U, navigation_entry_committed_counter_);
 897   navigation_entry_committed_counter_ = 0;
 898   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
 899   EXPECT_EQ(0, controller.GetLastCommittedEntryIndex());
 900   EXPECT_EQ(kExistingURL1, controller.GetVisibleEntry()->GetURL());
 901 }
 902
 903 // Tests an ignored navigation when there is a pending new navigation.
 904 // This will happen if the user enters a URL, but before that commits, the
 905 // current blank page reloads.  See http://crbug.com/77507.
 906 TEST_F(NavigationControllerTest, LoadURL_IgnorePreemptsPending) {
 907   NavigationControllerImpl& controller = controller_impl();
 908   TestNotificationTracker notifications;
 909   RegisterForAllNavNotifications(&notifications, &controller);
 910
 911   // Set a WebContentsDelegate to listen for state changes.
 912   scoped_ptr<TestWebContentsDelegate> delegate(new TestWebContentsDelegate());
 913   EXPECT_FALSE(contents()->GetDelegate());
 914   contents()->SetDelegate(delegate.get());
 915
 916   // Without any navigations, the renderer starts at about:blank.
 917   const GURL kExistingURL(url::kAboutBlankURL);
 918
 919   // Now make a pending new navigation.
 920   const GURL kNewURL("http://eh");
 921   controller.LoadURL(
 922       kNewURL, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 923   EXPECT_EQ(0U, notifications.size());
 924   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
 925   EXPECT_TRUE(controller.GetPendingEntry());
 926   EXPECT_EQ(-1, controller.GetLastCommittedEntryIndex());
 927   EXPECT_EQ(1, delegate->navigation_state_change_count());
 928
 929   // Before that commits, a document.write and location.reload can cause the
 930   // renderer to send a FrameNavigate with page_id -1.
 931   main_test_rfh()->SendNavigate(-1, kExistingURL);
 932
 933   // This should clear the pending entry and notify of a navigation state
 934   // change, so that we do not keep displaying kNewURL.
 935   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
 936   EXPECT_FALSE(controller.GetPendingEntry());
 937   EXPECT_EQ(-1, controller.GetLastCommittedEntryIndex());
 938   EXPECT_EQ(2, delegate->navigation_state_change_count());
 939
 940   contents()->SetDelegate(NULL);
 941 }
 942
 943 // Tests that the pending entry state is correct after an abort.
 944 // We do not want to clear the pending entry, so that the user doesn't
 945 // lose a typed URL.  (See http://crbug.com/9682.)
 946 TEST_F(NavigationControllerTest, LoadURL_AbortDoesntCancelPending) {
 947   NavigationControllerImpl& controller = controller_impl();
 948   TestNotificationTracker notifications;
 949   RegisterForAllNavNotifications(&notifications, &controller);
 950
 951   // Set a WebContentsDelegate to listen for state changes.
 952   scoped_ptr<TestWebContentsDelegate> delegate(new TestWebContentsDelegate());
 953   EXPECT_FALSE(contents()->GetDelegate());
 954   contents()->SetDelegate(delegate.get());
 955
 956   // Start with a pending new navigation.
 957   const GURL kNewURL("http://eh");
 958   controller.LoadURL(
 959       kNewURL, Referrer(), PAGE_TRANSITION_TYPED, std::string());
 960   EXPECT_EQ(0U, notifications.size());
 961   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
 962   EXPECT_TRUE(controller.GetPendingEntry());
 963   EXPECT_EQ(-1, controller.GetLastCommittedEntryIndex());
 964   EXPECT_EQ(1, delegate->navigation_state_change_count());
 965
 966   // It may abort before committing, if it's a download or due to a stop or
 967   // a new navigation from the user.
 968   FrameHostMsg_DidFailProvisionalLoadWithError_Params params;
 969   params.error_code = net::ERR_ABORTED;
 970   params.error_description = base::string16();
 971   params.url = kNewURL;
 972   params.showing_repost_interstitial = false;
 973   main_test_rfh()->OnMessageReceived(
 974       FrameHostMsg_DidFailProvisionalLoadWithError(0,  // routing_id
 975                                                    params));
 976
 977   // This should not clear the pending entry or notify of a navigation state
 978   // change, so that we keep displaying kNewURL (until the user clears it).
 979   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
 980   EXPECT_TRUE(controller.GetPendingEntry());
 981   EXPECT_EQ(-1, controller.GetLastCommittedEntryIndex());
 982   EXPECT_EQ(1, delegate->navigation_state_change_count());
 983   NavigationEntry* pending_entry = controller.GetPendingEntry();
 984
 985   // Ensure that a reload keeps the same pending entry.
 986   controller.Reload(true);
 987   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
 988   EXPECT_TRUE(controller.GetPendingEntry());
 989   EXPECT_EQ(pending_entry, controller.GetPendingEntry());
 990   EXPECT_EQ(-1, controller.GetLastCommittedEntryIndex());
 991
 992   contents()->SetDelegate(NULL);
 993 }
 994
 995 // Tests that the pending URL is not visible during a renderer-initiated
 996 // redirect and abort.  See http://crbug.com/83031.
 997 TEST_F(NavigationControllerTest, LoadURL_RedirectAbortDoesntShowPendingURL) {
 998   NavigationControllerImpl& controller = controller_impl();
 999   TestNotificationTracker notifications;
1000   RegisterForAllNavNotifications(&notifications, &controller);
1001
1002   // First make an existing committed entry.
1003   const GURL kExistingURL("http://foo/eh");
1004   controller.LoadURL(kExistingURL, content::Referrer(),
1005                      content::PAGE_TRANSITION_TYPED, std::string());
1006   main_test_rfh()->SendNavigate(1, kExistingURL);
1007   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1008   navigation_entry_committed_counter_ = 0;
1009
1010   // Set a WebContentsDelegate to listen for state changes.
1011   scoped_ptr<TestWebContentsDelegate> delegate(new TestWebContentsDelegate());
1012   EXPECT_FALSE(contents()->GetDelegate());
1013   contents()->SetDelegate(delegate.get());
1014
1015   // Now make a pending new navigation, initiated by the renderer.
1016   const GURL kNewURL("http://foo/bee");
1017   NavigationController::LoadURLParams load_url_params(kNewURL);
1018   load_url_params.transition_type = PAGE_TRANSITION_TYPED;
1019   load_url_params.is_renderer_initiated = true;
1020   controller.LoadURLWithParams(load_url_params);
1021   EXPECT_EQ(0U, notifications.size());
1022   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
1023   EXPECT_TRUE(controller.GetPendingEntry());
1024   EXPECT_EQ(0, controller.GetLastCommittedEntryIndex());
1025   EXPECT_EQ(0, delegate->navigation_state_change_count());
1026
1027   // The visible entry should be the last committed URL, not the pending one.
1028   EXPECT_EQ(kExistingURL, controller.GetVisibleEntry()->GetURL());
1029
1030   // Now the navigation redirects.
1031   const GURL kRedirectURL("http://foo/see");
1032   main_test_rfh()->OnMessageReceived(
1033       FrameHostMsg_DidRedirectProvisionalLoad(0,  // routing_id
1034                                               -1,  // pending page_id
1035                                               kNewURL,  // old url
1036                                               kRedirectURL));  // new url
1037
1038   // We don't want to change the NavigationEntry's url, in case it cancels.
1039   // Prevents regression of http://crbug.com/77786.
1040   EXPECT_EQ(kNewURL, controller.GetPendingEntry()->GetURL());
1041
1042   // It may abort before committing, if it's a download or due to a stop or
1043   // a new navigation from the user.
1044   FrameHostMsg_DidFailProvisionalLoadWithError_Params params;
1045   params.error_code = net::ERR_ABORTED;
1046   params.error_description = base::string16();
1047   params.url = kRedirectURL;
1048   params.showing_repost_interstitial = false;
1049   main_test_rfh()->OnMessageReceived(
1050       FrameHostMsg_DidFailProvisionalLoadWithError(0,  // routing_id
1051                                                    params));
1052
1053   // Because the pending entry is renderer initiated and not visible, we
1054   // clear it when it fails.
1055   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
1056   EXPECT_FALSE(controller.GetPendingEntry());
1057   EXPECT_EQ(0, controller.GetLastCommittedEntryIndex());
1058   EXPECT_EQ(1, delegate->navigation_state_change_count());
1059
1060   // The visible entry should be the last committed URL, not the pending one,
1061   // so that no spoof is possible.
1062   EXPECT_EQ(kExistingURL, controller.GetVisibleEntry()->GetURL());
1063
1064   contents()->SetDelegate(NULL);
1065 }
1066
1067 // Ensure that NavigationEntries track which bindings their RenderViewHost had
1068 // at the time they committed.  http://crbug.com/173672.
1069 TEST_F(NavigationControllerTest, LoadURL_WithBindings) {
1070   NavigationControllerImpl& controller = controller_impl();
1071   TestNotificationTracker notifications;
1072   RegisterForAllNavNotifications(&notifications, &controller);
1073   std::vector<GURL> url_chain;
1074
1075   const GURL url1("http://foo1");
1076   const GURL url2("http://foo2");
1077
1078   // Navigate to a first, unprivileged URL.
1079   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1080   EXPECT_EQ(NavigationEntryImpl::kInvalidBindings,
1081             NavigationEntryImpl::FromNavigationEntry(
1082                 controller.GetPendingEntry())->bindings());
1083
1084   // Commit.
1085   TestRenderFrameHost* orig_rfh = contents()->GetMainFrame();
1086   orig_rfh->SendNavigate(0, url1);
1087   EXPECT_EQ(controller.GetEntryCount(), 1);
1088   EXPECT_EQ(0, controller.GetLastCommittedEntryIndex());
1089   EXPECT_EQ(0, NavigationEntryImpl::FromNavigationEntry(
1090       controller.GetLastCommittedEntry())->bindings());
1091
1092   // Manually increase the number of active views in the SiteInstance
1093   // that orig_rfh belongs to, to prevent it from being destroyed when
1094   // it gets swapped out, so that we can reuse orig_rfh when the
1095   // controller goes back.
1096   static_cast<SiteInstanceImpl*>(orig_rfh->GetSiteInstance())->
1097       increment_active_view_count();
1098
1099   // Navigate to a second URL, simulate the beforeunload ack for the cross-site
1100   // transition, and set bindings on the pending RenderViewHost to simulate a
1101   // privileged url.
1102   controller.LoadURL(url2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1103   orig_rfh->GetRenderViewHost()->SendBeforeUnloadACK(true);
1104   TestRenderFrameHost* new_rfh = contents()->GetPendingMainFrame();
1105   new_rfh->GetRenderViewHost()->AllowBindings(1);
1106   new_rfh->SendNavigate(1, url2);
1107
1108   // The second load should be committed, and bindings should be remembered.
1109   EXPECT_EQ(controller.GetEntryCount(), 2);
1110   EXPECT_EQ(1, controller.GetLastCommittedEntryIndex());
1111   EXPECT_TRUE(controller.CanGoBack());
1112   EXPECT_EQ(1, NavigationEntryImpl::FromNavigationEntry(
1113       controller.GetLastCommittedEntry())->bindings());
1114
1115   // Going back, the first entry should still appear unprivileged.
1116   controller.GoBack();
1117   new_rfh->GetRenderViewHost()->SendBeforeUnloadACK(true);
1118   orig_rfh->SendNavigate(0, url1);
1119   EXPECT_EQ(0, controller.GetLastCommittedEntryIndex());
1120   EXPECT_EQ(0, NavigationEntryImpl::FromNavigationEntry(
1121       controller.GetLastCommittedEntry())->bindings());
1122 }
1123
1124 TEST_F(NavigationControllerTest, Reload) {
1125   NavigationControllerImpl& controller = controller_impl();
1126   TestNotificationTracker notifications;
1127   RegisterForAllNavNotifications(&notifications, &controller);
1128
1129   const GURL url1("http://foo1");
1130
1131   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1132   EXPECT_EQ(0U, notifications.size());
1133   main_test_rfh()->SendNavigate(0, url1);
1134   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1135   navigation_entry_committed_counter_ = 0;
1136   ASSERT_TRUE(controller.GetVisibleEntry());
1137   controller.GetVisibleEntry()->SetTitle(base::ASCIIToUTF16("Title"));
1138   controller.Reload(true);
1139   EXPECT_EQ(0U, notifications.size());
1140
1141   const base::Time timestamp = controller.GetVisibleEntry()->GetTimestamp();
1142   EXPECT_FALSE(timestamp.is_null());
1143
1144   // The reload is pending.
1145   EXPECT_EQ(controller.GetEntryCount(), 1);
1146   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
1147   EXPECT_EQ(controller.GetPendingEntryIndex(), 0);
1148   EXPECT_TRUE(controller.GetLastCommittedEntry());
1149   EXPECT_TRUE(controller.GetPendingEntry());
1150   EXPECT_FALSE(controller.CanGoBack());
1151   EXPECT_FALSE(controller.CanGoForward());
1152   // Make sure the title has been cleared (will be redrawn just after reload).
1153   // Avoids a stale cached title when the new page being reloaded has no title.
1154   // See http://crbug.com/96041.
1155   EXPECT_TRUE(controller.GetVisibleEntry()->GetTitle().empty());
1156
1157   main_test_rfh()->SendNavigate(0, url1);
1158   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1159   navigation_entry_committed_counter_ = 0;
1160
1161   // Now the reload is committed.
1162   EXPECT_EQ(controller.GetEntryCount(), 1);
1163   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
1164   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1165   EXPECT_TRUE(controller.GetLastCommittedEntry());
1166   EXPECT_FALSE(controller.GetPendingEntry());
1167   EXPECT_FALSE(controller.CanGoBack());
1168   EXPECT_FALSE(controller.CanGoForward());
1169
1170   // The timestamp should have been updated.
1171   ASSERT_TRUE(controller.GetVisibleEntry());
1172   EXPECT_GE(controller.GetVisibleEntry()->GetTimestamp(), timestamp);
1173 }
1174
1175 // Tests what happens when a reload navigation produces a new page.
1176 TEST_F(NavigationControllerTest, Reload_GeneratesNewPage) {
1177   NavigationControllerImpl& controller = controller_impl();
1178   TestNotificationTracker notifications;
1179   RegisterForAllNavNotifications(&notifications, &controller);
1180
1181   const GURL url1("http://foo1");
1182   const GURL url2("http://foo2");
1183
1184   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1185   main_test_rfh()->SendNavigate(0, url1);
1186   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1187   navigation_entry_committed_counter_ = 0;
1188
1189   controller.Reload(true);
1190   EXPECT_EQ(0U, notifications.size());
1191
1192   main_test_rfh()->SendNavigate(1, url2);
1193   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1194   navigation_entry_committed_counter_ = 0;
1195
1196   // Now the reload is committed.
1197   EXPECT_EQ(controller.GetEntryCount(), 2);
1198   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 1);
1199   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1200   EXPECT_TRUE(controller.GetLastCommittedEntry());
1201   EXPECT_FALSE(controller.GetPendingEntry());
1202   EXPECT_TRUE(controller.CanGoBack());
1203   EXPECT_FALSE(controller.CanGoForward());
1204 }
1205
1206 // This test ensures that when a guest renderer reloads, the reload goes through
1207 // without ending up in the "we have a wrong process for the URL" branch in
1208 // NavigationControllerImpl::ReloadInternal.
1209 TEST_F(NavigationControllerTest, ReloadWithGuest) {
1210   NavigationControllerImpl& controller = controller_impl();
1211
1212   const GURL url1("http://foo1");
1213   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1214   main_test_rfh()->SendNavigate(0, url1);
1215   ASSERT_TRUE(controller.GetVisibleEntry());
1216
1217   // Make the entry believe its RenderProcessHost is a guest.
1218   NavigationEntryImpl* entry1 =
1219       NavigationEntryImpl::FromNavigationEntry(controller.GetVisibleEntry());
1220   reinterpret_cast<MockRenderProcessHost*>(
1221       entry1->site_instance()->GetProcess())->set_is_isolated_guest(true);
1222
1223   // And reload.
1224   controller.Reload(true);
1225
1226   // The reload is pending. Check that the NavigationEntry didn't get replaced
1227   // because of having the wrong process.
1228   EXPECT_EQ(controller.GetEntryCount(), 1);
1229   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
1230   EXPECT_EQ(controller.GetPendingEntryIndex(), 0);
1231
1232   NavigationEntryImpl* entry2 =
1233       NavigationEntryImpl::FromNavigationEntry(controller.GetPendingEntry());
1234   EXPECT_EQ(entry1, entry2);
1235 }
1236
1237 #if !defined(OS_ANDROID)  // http://crbug.com/157428
1238 TEST_F(NavigationControllerTest, ReloadOriginalRequestURL) {
1239   NavigationControllerImpl& controller = controller_impl();
1240   TestNotificationTracker notifications;
1241   RegisterForAllNavNotifications(&notifications, &controller);
1242
1243   const GURL original_url("http://foo1");
1244   const GURL final_url("http://foo2");
1245
1246   // Load up the original URL, but get redirected.
1247   controller.LoadURL(
1248       original_url, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1249   EXPECT_EQ(0U, notifications.size());
1250   main_test_rfh()->SendNavigateWithOriginalRequestURL(
1251       0, final_url, original_url);
1252   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1253   navigation_entry_committed_counter_ = 0;
1254
1255   // The NavigationEntry should save both the original URL and the final
1256   // redirected URL.
1257   EXPECT_EQ(
1258       original_url, controller.GetVisibleEntry()->GetOriginalRequestURL());
1259   EXPECT_EQ(final_url, controller.GetVisibleEntry()->GetURL());
1260
1261   // Reload using the original URL.
1262   controller.GetVisibleEntry()->SetTitle(base::ASCIIToUTF16("Title"));
1263   controller.ReloadOriginalRequestURL(false);
1264   EXPECT_EQ(0U, notifications.size());
1265
1266   // The reload is pending.  The request should point to the original URL.
1267   EXPECT_EQ(original_url, navigated_url());
1268   EXPECT_EQ(controller.GetEntryCount(), 1);
1269   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
1270   EXPECT_EQ(controller.GetPendingEntryIndex(), 0);
1271   EXPECT_TRUE(controller.GetLastCommittedEntry());
1272   EXPECT_TRUE(controller.GetPendingEntry());
1273   EXPECT_FALSE(controller.CanGoBack());
1274   EXPECT_FALSE(controller.CanGoForward());
1275
1276   // Make sure the title has been cleared (will be redrawn just after reload).
1277   // Avoids a stale cached title when the new page being reloaded has no title.
1278   // See http://crbug.com/96041.
1279   EXPECT_TRUE(controller.GetVisibleEntry()->GetTitle().empty());
1280
1281   // Send that the navigation has proceeded; say it got redirected again.
1282   main_test_rfh()->SendNavigate(0, final_url);
1283   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1284   navigation_entry_committed_counter_ = 0;
1285
1286   // Now the reload is committed.
1287   EXPECT_EQ(controller.GetEntryCount(), 1);
1288   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
1289   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1290   EXPECT_TRUE(controller.GetLastCommittedEntry());
1291   EXPECT_FALSE(controller.GetPendingEntry());
1292   EXPECT_FALSE(controller.CanGoBack());
1293   EXPECT_FALSE(controller.CanGoForward());
1294 }
1295
1296 #endif  // !defined(OS_ANDROID)
1297
1298 // Test that certain non-persisted NavigationEntryImpl values get reset after
1299 // commit.
1300 TEST_F(NavigationControllerTest, ResetEntryValuesAfterCommit) {
1301   NavigationControllerImpl& controller = controller_impl();
1302   const GURL url1("http://foo1");
1303   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1304
1305   // Set up some sample values.
1306   const unsigned char* raw_data =
1307       reinterpret_cast<const unsigned char*>("post\n\n\0data");
1308   const int length = 11;
1309   std::vector<unsigned char> post_data_vector(raw_data, raw_data+length);
1310   scoped_refptr<base::RefCountedBytes> post_data =
1311       base::RefCountedBytes::TakeVector(&post_data_vector);
1312   GlobalRequestID transfer_id(3, 4);
1313   std::vector<GURL> redirects;
1314   redirects.push_back(GURL("http://foo2"));
1315
1316   // Set non-persisted values on the pending entry.
1317   NavigationEntryImpl* pending_entry =
1318       NavigationEntryImpl::FromNavigationEntry(controller.GetPendingEntry());
1319   pending_entry->SetBrowserInitiatedPostData(post_data.get());
1320   pending_entry->set_is_renderer_initiated(true);
1321   pending_entry->set_transferred_global_request_id(transfer_id);
1322   pending_entry->set_should_replace_entry(true);
1323   pending_entry->set_should_clear_history_list(true);
1324   EXPECT_EQ(post_data.get(), pending_entry->GetBrowserInitiatedPostData());
1325   EXPECT_TRUE(pending_entry->is_renderer_initiated());
1326   EXPECT_EQ(transfer_id, pending_entry->transferred_global_request_id());
1327   EXPECT_TRUE(pending_entry->should_replace_entry());
1328   EXPECT_TRUE(pending_entry->should_clear_history_list());
1329
1330   main_test_rfh()->SendNavigate(0, url1);
1331
1332   // Certain values that are only used for pending entries get reset after
1333   // commit.
1334   NavigationEntryImpl* committed_entry =
1335       NavigationEntryImpl::FromNavigationEntry(
1336           controller.GetLastCommittedEntry());
1337   EXPECT_FALSE(committed_entry->GetBrowserInitiatedPostData());
1338   EXPECT_FALSE(committed_entry->is_renderer_initiated());
1339   EXPECT_EQ(GlobalRequestID(-1, -1),
1340             committed_entry->transferred_global_request_id());
1341   EXPECT_FALSE(committed_entry->should_replace_entry());
1342   EXPECT_FALSE(committed_entry->should_clear_history_list());
1343 }
1344
1345 // Test that Redirects are preserved after a commit.
1346 TEST_F(NavigationControllerTest, RedirectsAreNotResetByCommit) {
1347   NavigationControllerImpl& controller = controller_impl();
1348   const GURL url1("http://foo1");
1349   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1350
1351   // Set up some redirect values.
1352   std::vector<GURL> redirects;
1353   redirects.push_back(GURL("http://foo2"));
1354
1355   // Set redirects on the pending entry.
1356   NavigationEntryImpl* pending_entry =
1357       NavigationEntryImpl::FromNavigationEntry(controller.GetPendingEntry());
1358   pending_entry->SetRedirectChain(redirects);
1359   EXPECT_EQ(1U, pending_entry->GetRedirectChain().size());
1360   EXPECT_EQ(GURL("http://foo2"), pending_entry->GetRedirectChain()[0]);
1361
1362   // Normal navigation will preserve redirects in the committed entry.
1363   main_test_rfh()->SendNavigateWithRedirects(0, url1, redirects);
1364   NavigationEntryImpl* committed_entry =
1365       NavigationEntryImpl::FromNavigationEntry(
1366           controller.GetLastCommittedEntry());
1367   ASSERT_EQ(1U, committed_entry->GetRedirectChain().size());
1368   EXPECT_EQ(GURL("http://foo2"), committed_entry->GetRedirectChain()[0]);
1369 }
1370
1371 // Tests what happens when we navigate back successfully
1372 TEST_F(NavigationControllerTest, Back) {
1373   NavigationControllerImpl& controller = controller_impl();
1374   TestNotificationTracker notifications;
1375   RegisterForAllNavNotifications(&notifications, &controller);
1376
1377   const GURL url1("http://foo1");
1378   main_test_rfh()->SendNavigate(0, url1);
1379   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1380   navigation_entry_committed_counter_ = 0;
1381
1382   const GURL url2("http://foo2");
1383   main_test_rfh()->SendNavigate(1, url2);
1384   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1385   navigation_entry_committed_counter_ = 0;
1386
1387   controller.GoBack();
1388   EXPECT_EQ(0U, notifications.size());
1389
1390   // We should now have a pending navigation to go back.
1391   EXPECT_EQ(controller.GetEntryCount(), 2);
1392   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 1);
1393   EXPECT_EQ(controller.GetPendingEntryIndex(), 0);
1394   EXPECT_TRUE(controller.GetLastCommittedEntry());
1395   EXPECT_TRUE(controller.GetPendingEntry());
1396   EXPECT_FALSE(controller.CanGoBack());
1397   EXPECT_FALSE(controller.CanGoToOffset(-1));
1398   EXPECT_TRUE(controller.CanGoForward());
1399   EXPECT_TRUE(controller.CanGoToOffset(1));
1400   EXPECT_FALSE(controller.CanGoToOffset(2));  // Cannot go foward 2 steps.
1401
1402   // Timestamp for entry 1 should be on or after that of entry 0.
1403   EXPECT_FALSE(controller.GetEntryAtIndex(0)->GetTimestamp().is_null());
1404   EXPECT_GE(controller.GetEntryAtIndex(1)->GetTimestamp(),
1405             controller.GetEntryAtIndex(0)->GetTimestamp());
1406
1407   main_test_rfh()->SendNavigate(0, url2);
1408   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1409   navigation_entry_committed_counter_ = 0;
1410
1411   // The back navigation completed successfully.
1412   EXPECT_EQ(controller.GetEntryCount(), 2);
1413   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
1414   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1415   EXPECT_TRUE(controller.GetLastCommittedEntry());
1416   EXPECT_FALSE(controller.GetPendingEntry());
1417   EXPECT_FALSE(controller.CanGoBack());
1418   EXPECT_FALSE(controller.CanGoToOffset(-1));
1419   EXPECT_TRUE(controller.CanGoForward());
1420   EXPECT_TRUE(controller.CanGoToOffset(1));
1421   EXPECT_FALSE(controller.CanGoToOffset(2));  // Cannot go foward 2 steps.
1422
1423   // Timestamp for entry 0 should be on or after that of entry 1
1424   // (since we went back to it).
1425   EXPECT_GE(controller.GetEntryAtIndex(0)->GetTimestamp(),
1426             controller.GetEntryAtIndex(1)->GetTimestamp());
1427 }
1428
1429 // Tests what happens when a back navigation produces a new page.
1430 TEST_F(NavigationControllerTest, Back_GeneratesNewPage) {
1431   NavigationControllerImpl& controller = controller_impl();
1432   TestNotificationTracker notifications;
1433   RegisterForAllNavNotifications(&notifications, &controller);
1434
1435   const GURL url1("http://foo/1");
1436   const GURL url2("http://foo/2");
1437   const GURL url3("http://foo/3");
1438
1439   controller.LoadURL(
1440       url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1441   main_test_rfh()->SendNavigate(0, url1);
1442   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1443   navigation_entry_committed_counter_ = 0;
1444
1445   controller.LoadURL(url2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1446   main_test_rfh()->SendNavigate(1, url2);
1447   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1448   navigation_entry_committed_counter_ = 0;
1449
1450   controller.GoBack();
1451   EXPECT_EQ(0U, notifications.size());
1452
1453   // We should now have a pending navigation to go back.
1454   EXPECT_EQ(controller.GetEntryCount(), 2);
1455   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 1);
1456   EXPECT_EQ(controller.GetPendingEntryIndex(), 0);
1457   EXPECT_TRUE(controller.GetLastCommittedEntry());
1458   EXPECT_TRUE(controller.GetPendingEntry());
1459   EXPECT_FALSE(controller.CanGoBack());
1460   EXPECT_TRUE(controller.CanGoForward());
1461
1462   main_test_rfh()->SendNavigate(2, url3);
1463   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1464   navigation_entry_committed_counter_ = 0;
1465
1466   // The back navigation resulted in a completely new navigation.
1467   // TODO(darin): perhaps this behavior will be confusing to users?
1468   EXPECT_EQ(controller.GetEntryCount(), 3);
1469   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 2);
1470   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1471   EXPECT_TRUE(controller.GetLastCommittedEntry());
1472   EXPECT_FALSE(controller.GetPendingEntry());
1473   EXPECT_TRUE(controller.CanGoBack());
1474   EXPECT_FALSE(controller.CanGoForward());
1475 }
1476
1477 // Receives a back message when there is a new pending navigation entry.
1478 TEST_F(NavigationControllerTest, Back_NewPending) {
1479   NavigationControllerImpl& controller = controller_impl();
1480   TestNotificationTracker notifications;
1481   RegisterForAllNavNotifications(&notifications, &controller);
1482
1483   const GURL kUrl1("http://foo1");
1484   const GURL kUrl2("http://foo2");
1485   const GURL kUrl3("http://foo3");
1486
1487   // First navigate two places so we have some back history.
1488   main_test_rfh()->SendNavigate(0, kUrl1);
1489   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1490   navigation_entry_committed_counter_ = 0;
1491
1492   // controller.LoadURL(kUrl2, PAGE_TRANSITION_TYPED);
1493   main_test_rfh()->SendNavigate(1, kUrl2);
1494   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1495   navigation_entry_committed_counter_ = 0;
1496
1497   // Now start a new pending navigation and go back before it commits.
1498   controller.LoadURL(kUrl3, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1499   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
1500   EXPECT_EQ(kUrl3, controller.GetPendingEntry()->GetURL());
1501   controller.GoBack();
1502
1503   // The pending navigation should now be the "back" item and the new one
1504   // should be gone.
1505   EXPECT_EQ(0, controller.GetPendingEntryIndex());
1506   EXPECT_EQ(kUrl1, controller.GetPendingEntry()->GetURL());
1507 }
1508
1509 // Receives a back message when there is a different renavigation already
1510 // pending.
1511 TEST_F(NavigationControllerTest, Back_OtherBackPending) {
1512   NavigationControllerImpl& controller = controller_impl();
1513   const GURL kUrl1("http://foo/1");
1514   const GURL kUrl2("http://foo/2");
1515   const GURL kUrl3("http://foo/3");
1516
1517   // First navigate three places so we have some back history.
1518   main_test_rfh()->SendNavigate(0, kUrl1);
1519   main_test_rfh()->SendNavigate(1, kUrl2);
1520   main_test_rfh()->SendNavigate(2, kUrl3);
1521
1522   // With nothing pending, say we get a navigation to the second entry.
1523   main_test_rfh()->SendNavigate(1, kUrl2);
1524
1525   // We know all the entries have the same site instance, so we can just grab
1526   // a random one for looking up other entries.
1527   SiteInstance* site_instance =
1528       NavigationEntryImpl::FromNavigationEntry(
1529           controller.GetLastCommittedEntry())->site_instance();
1530
1531   // That second URL should be the last committed and it should have gotten the
1532   // new title.
1533   EXPECT_EQ(kUrl2, controller.GetEntryWithPageID(site_instance, 1)->GetURL());
1534   EXPECT_EQ(1, controller.GetLastCommittedEntryIndex());
1535   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
1536
1537   // Now go forward to the last item again and say it was committed.
1538   controller.GoForward();
1539   main_test_rfh()->SendNavigate(2, kUrl3);
1540
1541   // Now start going back one to the second page. It will be pending.
1542   controller.GoBack();
1543   EXPECT_EQ(1, controller.GetPendingEntryIndex());
1544   EXPECT_EQ(2, controller.GetLastCommittedEntryIndex());
1545
1546   // Not synthesize a totally new back event to the first page. This will not
1547   // match the pending one.
1548   main_test_rfh()->SendNavigate(0, kUrl1);
1549
1550   // The committed navigation should clear the pending entry.
1551   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
1552
1553   // But the navigated entry should be the last committed.
1554   EXPECT_EQ(0, controller.GetLastCommittedEntryIndex());
1555   EXPECT_EQ(kUrl1, controller.GetLastCommittedEntry()->GetURL());
1556 }
1557
1558 // Tests what happens when we navigate forward successfully.
1559 TEST_F(NavigationControllerTest, Forward) {
1560   NavigationControllerImpl& controller = controller_impl();
1561   TestNotificationTracker notifications;
1562   RegisterForAllNavNotifications(&notifications, &controller);
1563
1564   const GURL url1("http://foo1");
1565   const GURL url2("http://foo2");
1566
1567   main_test_rfh()->SendNavigate(0, url1);
1568   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1569   navigation_entry_committed_counter_ = 0;
1570
1571   main_test_rfh()->SendNavigate(1, url2);
1572   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1573   navigation_entry_committed_counter_ = 0;
1574
1575   controller.GoBack();
1576   main_test_rfh()->SendNavigate(0, url1);
1577   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1578   navigation_entry_committed_counter_ = 0;
1579
1580   controller.GoForward();
1581
1582   // We should now have a pending navigation to go forward.
1583   EXPECT_EQ(controller.GetEntryCount(), 2);
1584   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
1585   EXPECT_EQ(controller.GetPendingEntryIndex(), 1);
1586   EXPECT_TRUE(controller.GetLastCommittedEntry());
1587   EXPECT_TRUE(controller.GetPendingEntry());
1588   EXPECT_TRUE(controller.CanGoBack());
1589   EXPECT_TRUE(controller.CanGoToOffset(-1));
1590   EXPECT_FALSE(controller.CanGoToOffset(-2));  // Cannot go back 2 steps.
1591   EXPECT_FALSE(controller.CanGoForward());
1592   EXPECT_FALSE(controller.CanGoToOffset(1));
1593
1594   // Timestamp for entry 0 should be on or after that of entry 1
1595   // (since we went back to it).
1596   EXPECT_FALSE(controller.GetEntryAtIndex(0)->GetTimestamp().is_null());
1597   EXPECT_GE(controller.GetEntryAtIndex(0)->GetTimestamp(),
1598             controller.GetEntryAtIndex(1)->GetTimestamp());
1599
1600   main_test_rfh()->SendNavigate(1, url2);
1601   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1602   navigation_entry_committed_counter_ = 0;
1603
1604   // The forward navigation completed successfully.
1605   EXPECT_EQ(controller.GetEntryCount(), 2);
1606   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 1);
1607   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1608   EXPECT_TRUE(controller.GetLastCommittedEntry());
1609   EXPECT_FALSE(controller.GetPendingEntry());
1610   EXPECT_TRUE(controller.CanGoBack());
1611   EXPECT_TRUE(controller.CanGoToOffset(-1));
1612   EXPECT_FALSE(controller.CanGoToOffset(-2));  // Cannot go back 2 steps.
1613   EXPECT_FALSE(controller.CanGoForward());
1614   EXPECT_FALSE(controller.CanGoToOffset(1));
1615
1616   // Timestamp for entry 1 should be on or after that of entry 0
1617   // (since we went forward to it).
1618   EXPECT_GE(controller.GetEntryAtIndex(1)->GetTimestamp(),
1619             controller.GetEntryAtIndex(0)->GetTimestamp());
1620 }
1621
1622 // Tests what happens when a forward navigation produces a new page.
1623 TEST_F(NavigationControllerTest, Forward_GeneratesNewPage) {
1624   NavigationControllerImpl& controller = controller_impl();
1625   TestNotificationTracker notifications;
1626   RegisterForAllNavNotifications(&notifications, &controller);
1627
1628   const GURL url1("http://foo1");
1629   const GURL url2("http://foo2");
1630   const GURL url3("http://foo3");
1631
1632   main_test_rfh()->SendNavigate(0, url1);
1633   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1634   navigation_entry_committed_counter_ = 0;
1635   main_test_rfh()->SendNavigate(1, url2);
1636   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1637   navigation_entry_committed_counter_ = 0;
1638
1639   controller.GoBack();
1640   main_test_rfh()->SendNavigate(0, url1);
1641   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1642   navigation_entry_committed_counter_ = 0;
1643
1644   controller.GoForward();
1645   EXPECT_EQ(0U, notifications.size());
1646
1647   // Should now have a pending navigation to go forward.
1648   EXPECT_EQ(controller.GetEntryCount(), 2);
1649   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
1650   EXPECT_EQ(controller.GetPendingEntryIndex(), 1);
1651   EXPECT_TRUE(controller.GetLastCommittedEntry());
1652   EXPECT_TRUE(controller.GetPendingEntry());
1653   EXPECT_TRUE(controller.CanGoBack());
1654   EXPECT_FALSE(controller.CanGoForward());
1655
1656   main_test_rfh()->SendNavigate(2, url3);
1657   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1658   navigation_entry_committed_counter_ = 0;
1659   EXPECT_TRUE(notifications.Check1AndReset(NOTIFICATION_NAV_LIST_PRUNED));
1660
1661   EXPECT_EQ(controller.GetEntryCount(), 2);
1662   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 1);
1663   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1664   EXPECT_TRUE(controller.GetLastCommittedEntry());
1665   EXPECT_FALSE(controller.GetPendingEntry());
1666   EXPECT_TRUE(controller.CanGoBack());
1667   EXPECT_FALSE(controller.CanGoForward());
1668 }
1669
1670 // Two consequent navigation for the same URL entered in should be considered
1671 // as SAME_PAGE navigation even when we are redirected to some other page.
1672 TEST_F(NavigationControllerTest, Redirect) {
1673   NavigationControllerImpl& controller = controller_impl();
1674   TestNotificationTracker notifications;
1675   RegisterForAllNavNotifications(&notifications, &controller);
1676
1677   const GURL url1("http://foo1");
1678   const GURL url2("http://foo2");  // Redirection target
1679
1680   // First request
1681   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1682
1683   EXPECT_EQ(0U, notifications.size());
1684   main_test_rfh()->SendNavigate(0, url2);
1685   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1686   navigation_entry_committed_counter_ = 0;
1687
1688   // Second request
1689   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1690
1691   EXPECT_TRUE(controller.GetPendingEntry());
1692   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1693   EXPECT_EQ(url1, controller.GetVisibleEntry()->GetURL());
1694
1695   FrameHostMsg_DidCommitProvisionalLoad_Params params;
1696   params.page_id = 0;
1697   params.url = url2;
1698   params.transition = PAGE_TRANSITION_SERVER_REDIRECT;
1699   params.redirects.push_back(GURL("http://foo1"));
1700   params.redirects.push_back(GURL("http://foo2"));
1701   params.should_update_history = false;
1702   params.gesture = NavigationGestureAuto;
1703   params.is_post = false;
1704   params.page_state = PageState::CreateFromURL(url2);
1705
1706   LoadCommittedDetails details;
1707
1708   EXPECT_EQ(0U, notifications.size());
1709   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
1710                                              &details));
1711   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1712   navigation_entry_committed_counter_ = 0;
1713
1714   EXPECT_TRUE(details.type == NAVIGATION_TYPE_SAME_PAGE);
1715   EXPECT_EQ(controller.GetEntryCount(), 1);
1716   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
1717   EXPECT_TRUE(controller.GetLastCommittedEntry());
1718   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1719   EXPECT_FALSE(controller.GetPendingEntry());
1720   EXPECT_EQ(url2, controller.GetVisibleEntry()->GetURL());
1721
1722   EXPECT_FALSE(controller.CanGoBack());
1723   EXPECT_FALSE(controller.CanGoForward());
1724 }
1725
1726 // Similar to Redirect above, but the first URL is requested by POST,
1727 // the second URL is requested by GET. NavigationEntry::has_post_data_
1728 // must be cleared. http://crbug.com/21245
1729 TEST_F(NavigationControllerTest, PostThenRedirect) {
1730   NavigationControllerImpl& controller = controller_impl();
1731   TestNotificationTracker notifications;
1732   RegisterForAllNavNotifications(&notifications, &controller);
1733
1734   const GURL url1("http://foo1");
1735   const GURL url2("http://foo2");  // Redirection target
1736
1737   // First request as POST
1738   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1739   controller.GetVisibleEntry()->SetHasPostData(true);
1740
1741   EXPECT_EQ(0U, notifications.size());
1742   main_test_rfh()->SendNavigate(0, url2);
1743   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1744   navigation_entry_committed_counter_ = 0;
1745
1746   // Second request
1747   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1748
1749   EXPECT_TRUE(controller.GetPendingEntry());
1750   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1751   EXPECT_EQ(url1, controller.GetVisibleEntry()->GetURL());
1752
1753   FrameHostMsg_DidCommitProvisionalLoad_Params params;
1754   params.page_id = 0;
1755   params.url = url2;
1756   params.transition = PAGE_TRANSITION_SERVER_REDIRECT;
1757   params.redirects.push_back(GURL("http://foo1"));
1758   params.redirects.push_back(GURL("http://foo2"));
1759   params.should_update_history = false;
1760   params.gesture = NavigationGestureAuto;
1761   params.is_post = false;
1762   params.page_state = PageState::CreateFromURL(url2);
1763
1764   LoadCommittedDetails details;
1765
1766   EXPECT_EQ(0U, notifications.size());
1767   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
1768                                              &details));
1769   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1770   navigation_entry_committed_counter_ = 0;
1771
1772   EXPECT_TRUE(details.type == NAVIGATION_TYPE_SAME_PAGE);
1773   EXPECT_EQ(controller.GetEntryCount(), 1);
1774   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
1775   EXPECT_TRUE(controller.GetLastCommittedEntry());
1776   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1777   EXPECT_FALSE(controller.GetPendingEntry());
1778   EXPECT_EQ(url2, controller.GetVisibleEntry()->GetURL());
1779   EXPECT_FALSE(controller.GetVisibleEntry()->GetHasPostData());
1780
1781   EXPECT_FALSE(controller.CanGoBack());
1782   EXPECT_FALSE(controller.CanGoForward());
1783 }
1784
1785 // A redirect right off the bat should be a NEW_PAGE.
1786 TEST_F(NavigationControllerTest, ImmediateRedirect) {
1787   NavigationControllerImpl& controller = controller_impl();
1788   TestNotificationTracker notifications;
1789   RegisterForAllNavNotifications(&notifications, &controller);
1790
1791   const GURL url1("http://foo1");
1792   const GURL url2("http://foo2");  // Redirection target
1793
1794   // First request
1795   controller.LoadURL(url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
1796
1797   EXPECT_TRUE(controller.GetPendingEntry());
1798   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1799   EXPECT_EQ(url1, controller.GetVisibleEntry()->GetURL());
1800
1801   FrameHostMsg_DidCommitProvisionalLoad_Params params;
1802   params.page_id = 0;
1803   params.url = url2;
1804   params.transition = PAGE_TRANSITION_SERVER_REDIRECT;
1805   params.redirects.push_back(GURL("http://foo1"));
1806   params.redirects.push_back(GURL("http://foo2"));
1807   params.should_update_history = false;
1808   params.gesture = NavigationGestureAuto;
1809   params.is_post = false;
1810   params.page_state = PageState::CreateFromURL(url2);
1811
1812   LoadCommittedDetails details;
1813
1814   EXPECT_EQ(0U, notifications.size());
1815   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
1816                                              &details));
1817   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1818   navigation_entry_committed_counter_ = 0;
1819
1820   EXPECT_TRUE(details.type == NAVIGATION_TYPE_NEW_PAGE);
1821   EXPECT_EQ(controller.GetEntryCount(), 1);
1822   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
1823   EXPECT_TRUE(controller.GetLastCommittedEntry());
1824   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
1825   EXPECT_FALSE(controller.GetPendingEntry());
1826   EXPECT_EQ(url2, controller.GetVisibleEntry()->GetURL());
1827
1828   EXPECT_FALSE(controller.CanGoBack());
1829   EXPECT_FALSE(controller.CanGoForward());
1830 }
1831
1832 // Tests navigation via link click within a subframe. A new navigation entry
1833 // should be created.
1834 TEST_F(NavigationControllerTest, NewSubframe) {
1835   NavigationControllerImpl& controller = controller_impl();
1836   TestNotificationTracker notifications;
1837   RegisterForAllNavNotifications(&notifications, &controller);
1838
1839   const GURL url1("http://foo1");
1840   main_test_rfh()->SendNavigate(0, url1);
1841   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1842   navigation_entry_committed_counter_ = 0;
1843
1844   const GURL url2("http://foo2");
1845   FrameHostMsg_DidCommitProvisionalLoad_Params params;
1846   params.page_id = 1;
1847   params.url = url2;
1848   params.transition = PAGE_TRANSITION_MANUAL_SUBFRAME;
1849   params.should_update_history = false;
1850   params.gesture = NavigationGestureUser;
1851   params.is_post = false;
1852   params.page_state = PageState::CreateFromURL(url2);
1853
1854   LoadCommittedDetails details;
1855   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
1856                                              &details));
1857   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1858   navigation_entry_committed_counter_ = 0;
1859   EXPECT_EQ(url1, details.previous_url);
1860   EXPECT_FALSE(details.is_in_page);
1861   EXPECT_FALSE(details.is_main_frame);
1862
1863   // The new entry should be appended.
1864   EXPECT_EQ(2, controller.GetEntryCount());
1865
1866   // New entry should refer to the new page, but the old URL (entries only
1867   // reflect the toplevel URL).
1868   EXPECT_EQ(url1, details.entry->GetURL());
1869   EXPECT_EQ(params.page_id, details.entry->GetPageID());
1870 }
1871
1872 // Some pages create a popup, then write an iframe into it. This causes a
1873 // subframe navigation without having any committed entry. Such navigations
1874 // just get thrown on the ground, but we shouldn't crash.
1875 TEST_F(NavigationControllerTest, SubframeOnEmptyPage) {
1876   NavigationControllerImpl& controller = controller_impl();
1877   TestNotificationTracker notifications;
1878   RegisterForAllNavNotifications(&notifications, &controller);
1879
1880   // Navigation controller currently has no entries.
1881   const GURL url("http://foo2");
1882   FrameHostMsg_DidCommitProvisionalLoad_Params params;
1883   params.page_id = 1;
1884   params.url = url;
1885   params.transition = PAGE_TRANSITION_AUTO_SUBFRAME;
1886   params.should_update_history = false;
1887   params.gesture = NavigationGestureAuto;
1888   params.is_post = false;
1889   params.page_state = PageState::CreateFromURL(url);
1890
1891   LoadCommittedDetails details;
1892   EXPECT_FALSE(controller.RendererDidNavigate(main_test_rfh(), params,
1893                                               &details));
1894   EXPECT_EQ(0U, notifications.size());
1895 }
1896
1897 // Auto subframes are ones the page loads automatically like ads. They should
1898 // not create new navigation entries.
1899 TEST_F(NavigationControllerTest, AutoSubframe) {
1900   NavigationControllerImpl& controller = controller_impl();
1901   TestNotificationTracker notifications;
1902   RegisterForAllNavNotifications(&notifications, &controller);
1903
1904   const GURL url1("http://foo1");
1905   main_test_rfh()->SendNavigate(0, url1);
1906   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1907   navigation_entry_committed_counter_ = 0;
1908
1909   const GURL url2("http://foo2");
1910   FrameHostMsg_DidCommitProvisionalLoad_Params params;
1911   params.page_id = 0;
1912   params.url = url2;
1913   params.transition = PAGE_TRANSITION_AUTO_SUBFRAME;
1914   params.should_update_history = false;
1915   params.gesture = NavigationGestureUser;
1916   params.is_post = false;
1917   params.page_state = PageState::CreateFromURL(url2);
1918
1919   // Navigating should do nothing.
1920   LoadCommittedDetails details;
1921   EXPECT_FALSE(controller.RendererDidNavigate(main_test_rfh(), params,
1922                                               &details));
1923   EXPECT_EQ(0U, notifications.size());
1924
1925   // There should still be only one entry.
1926   EXPECT_EQ(1, controller.GetEntryCount());
1927 }
1928
1929 // Tests navigation and then going back to a subframe navigation.
1930 TEST_F(NavigationControllerTest, BackSubframe) {
1931   NavigationControllerImpl& controller = controller_impl();
1932   TestNotificationTracker notifications;
1933   RegisterForAllNavNotifications(&notifications, &controller);
1934
1935   // Main page.
1936   const GURL url1("http://foo1");
1937   main_test_rfh()->SendNavigate(0, url1);
1938   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1939   navigation_entry_committed_counter_ = 0;
1940
1941   // First manual subframe navigation.
1942   const GURL url2("http://foo2");
1943   FrameHostMsg_DidCommitProvisionalLoad_Params params;
1944   params.page_id = 1;
1945   params.url = url2;
1946   params.transition = PAGE_TRANSITION_MANUAL_SUBFRAME;
1947   params.should_update_history = false;
1948   params.gesture = NavigationGestureUser;
1949   params.is_post = false;
1950   params.page_state = PageState::CreateFromURL(url2);
1951
1952   // This should generate a new entry.
1953   LoadCommittedDetails details;
1954   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
1955                                              &details));
1956   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1957   navigation_entry_committed_counter_ = 0;
1958   EXPECT_EQ(2, controller.GetEntryCount());
1959
1960   // Second manual subframe navigation should also make a new entry.
1961   const GURL url3("http://foo3");
1962   params.page_id = 2;
1963   params.url = url3;
1964   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
1965                                              &details));
1966   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1967   navigation_entry_committed_counter_ = 0;
1968   EXPECT_EQ(3, controller.GetEntryCount());
1969   EXPECT_EQ(2, controller.GetCurrentEntryIndex());
1970
1971   // Go back one.
1972   controller.GoBack();
1973   params.url = url2;
1974   params.page_id = 1;
1975   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
1976                                              &details));
1977   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1978   navigation_entry_committed_counter_ = 0;
1979   EXPECT_EQ(3, controller.GetEntryCount());
1980   EXPECT_EQ(1, controller.GetCurrentEntryIndex());
1981   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
1982   EXPECT_FALSE(controller.GetPendingEntry());
1983
1984   // Go back one more.
1985   controller.GoBack();
1986   params.url = url1;
1987   params.page_id = 0;
1988   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
1989                                              &details));
1990   EXPECT_EQ(1U, navigation_entry_committed_counter_);
1991   navigation_entry_committed_counter_ = 0;
1992   EXPECT_EQ(3, controller.GetEntryCount());
1993   EXPECT_EQ(0, controller.GetCurrentEntryIndex());
1994   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
1995   EXPECT_FALSE(controller.GetPendingEntry());
1996 }
1997
1998 TEST_F(NavigationControllerTest, LinkClick) {
1999   NavigationControllerImpl& controller = controller_impl();
2000   TestNotificationTracker notifications;
2001   RegisterForAllNavNotifications(&notifications, &controller);
2002
2003   const GURL url1("http://foo1");
2004   const GURL url2("http://foo2");
2005
2006   main_test_rfh()->SendNavigate(0, url1);
2007   EXPECT_EQ(1U, navigation_entry_committed_counter_);
2008   navigation_entry_committed_counter_ = 0;
2009
2010   main_test_rfh()->SendNavigate(1, url2);
2011   EXPECT_EQ(1U, navigation_entry_committed_counter_);
2012   navigation_entry_committed_counter_ = 0;
2013
2014   // Should not have produced a new session history entry.
2015   EXPECT_EQ(controller.GetEntryCount(), 2);
2016   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 1);
2017   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
2018   EXPECT_TRUE(controller.GetLastCommittedEntry());
2019   EXPECT_FALSE(controller.GetPendingEntry());
2020   EXPECT_TRUE(controller.CanGoBack());
2021   EXPECT_FALSE(controller.CanGoForward());
2022 }
2023
2024 TEST_F(NavigationControllerTest, InPage) {
2025   NavigationControllerImpl& controller = controller_impl();
2026   TestNotificationTracker notifications;
2027   RegisterForAllNavNotifications(&notifications, &controller);
2028
2029   // Main page.
2030   const GURL url1("http://foo");
2031   main_test_rfh()->SendNavigate(0, url1);
2032   EXPECT_EQ(1U, navigation_entry_committed_counter_);
2033   navigation_entry_committed_counter_ = 0;
2034
2035   // Ensure main page navigation to same url respects the was_within_same_page
2036   // hint provided in the params.
2037   FrameHostMsg_DidCommitProvisionalLoad_Params self_params;
2038   self_params.page_id = 0;
2039   self_params.url = url1;
2040   self_params.transition = PAGE_TRANSITION_LINK;
2041   self_params.should_update_history = false;
2042   self_params.gesture = NavigationGestureUser;
2043   self_params.is_post = false;
2044   self_params.page_state = PageState::CreateFromURL(url1);
2045   self_params.was_within_same_page = true;
2046
2047   LoadCommittedDetails details;
2048   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), self_params,
2049                                              &details));
2050   EXPECT_EQ(1U, navigation_entry_committed_counter_);
2051   navigation_entry_committed_counter_ = 0;
2052   EXPECT_TRUE(details.is_in_page);
2053   EXPECT_TRUE(details.did_replace_entry);
2054   EXPECT_EQ(1, controller.GetEntryCount());
2055
2056   // Fragment navigation to a new page_id.
2057   const GURL url2("http://foo#a");
2058   FrameHostMsg_DidCommitProvisionalLoad_Params params;
2059   params.page_id = 1;
2060   params.url = url2;
2061   params.transition = PAGE_TRANSITION_LINK;
2062   params.should_update_history = false;
2063   params.gesture = NavigationGestureUser;
2064   params.is_post = false;
2065   params.page_state = PageState::CreateFromURL(url2);
2066   params.was_within_same_page = true;
2067
2068   // This should generate a new entry.
2069   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
2070                                              &details));
2071   EXPECT_EQ(1U, navigation_entry_committed_counter_);
2072   navigation_entry_committed_counter_ = 0;
2073   EXPECT_TRUE(details.is_in_page);
2074   EXPECT_FALSE(details.did_replace_entry);
2075   EXPECT_EQ(2, controller.GetEntryCount());
2076
2077   // Go back one.
2078   FrameHostMsg_DidCommitProvisionalLoad_Params back_params(params);
2079   controller.GoBack();
2080   back_params.url = url1;
2081   back_params.page_id = 0;
2082   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), back_params,
2083                                              &details));
2084   EXPECT_EQ(1U, navigation_entry_committed_counter_);
2085   navigation_entry_committed_counter_ = 0;
2086   EXPECT_TRUE(details.is_in_page);
2087   EXPECT_EQ(2, controller.GetEntryCount());
2088   EXPECT_EQ(0, controller.GetCurrentEntryIndex());
2089   EXPECT_EQ(back_params.url, controller.GetVisibleEntry()->GetURL());
2090
2091   // Go forward
2092   FrameHostMsg_DidCommitProvisionalLoad_Params forward_params(params);
2093   controller.GoForward();
2094   forward_params.url = url2;
2095   forward_params.page_id = 1;
2096   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), forward_params,
2097                                              &details));
2098   EXPECT_EQ(1U, navigation_entry_committed_counter_);
2099   navigation_entry_committed_counter_ = 0;
2100   EXPECT_TRUE(details.is_in_page);
2101   EXPECT_EQ(2, controller.GetEntryCount());
2102   EXPECT_EQ(1, controller.GetCurrentEntryIndex());
2103   EXPECT_EQ(forward_params.url,
2104             controller.GetVisibleEntry()->GetURL());
2105
2106   // Now go back and forward again. This is to work around a bug where we would
2107   // compare the incoming URL with the last committed entry rather than the
2108   // one identified by an existing page ID. This would result in the second URL
2109   // losing the reference fragment when you navigate away from it and then back.
2110   controller.GoBack();
2111   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), back_params,
2112                                              &details));
2113   controller.GoForward();
2114   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), forward_params,
2115                                              &details));
2116   EXPECT_EQ(forward_params.url,
2117             controller.GetVisibleEntry()->GetURL());
2118
2119   // Finally, navigate to an unrelated URL to make sure in_page is not sticky.
2120   const GURL url3("http://bar");
2121   params.page_id = 2;
2122   params.url = url3;
2123   navigation_entry_committed_counter_ = 0;
2124   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
2125                                              &details));
2126   EXPECT_EQ(1U, navigation_entry_committed_counter_);
2127   navigation_entry_committed_counter_ = 0;
2128   EXPECT_FALSE(details.is_in_page);
2129   EXPECT_EQ(3, controller.GetEntryCount());
2130   EXPECT_EQ(2, controller.GetCurrentEntryIndex());
2131 }
2132
2133 TEST_F(NavigationControllerTest, InPage_Replace) {
2134   NavigationControllerImpl& controller = controller_impl();
2135   TestNotificationTracker notifications;
2136   RegisterForAllNavNotifications(&notifications, &controller);
2137
2138   // Main page.
2139   const GURL url1("http://foo");
2140   main_test_rfh()->SendNavigate(0, url1);
2141   EXPECT_EQ(1U, navigation_entry_committed_counter_);
2142   navigation_entry_committed_counter_ = 0;
2143
2144   // First navigation.
2145   const GURL url2("http://foo#a");
2146   FrameHostMsg_DidCommitProvisionalLoad_Params params;
2147   params.page_id = 0;  // Same page_id
2148   params.url = url2;
2149   params.transition = PAGE_TRANSITION_LINK;
2150   params.should_update_history = false;
2151   params.gesture = NavigationGestureUser;
2152   params.is_post = false;
2153   params.page_state = PageState::CreateFromURL(url2);
2154   params.was_within_same_page = true;
2155
2156   // This should NOT generate a new entry, nor prune the list.
2157   LoadCommittedDetails details;
2158   EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
2159                                              &details));
2160   EXPECT_EQ(1U, navigation_entry_committed_counter_);
2161   navigation_entry_committed_counter_ = 0;
2162   EXPECT_TRUE(details.is_in_page);
2163   EXPECT_TRUE(details.did_replace_entry);
2164   EXPECT_EQ(1, controller.GetEntryCount());
2165 }
2166
2167 // Tests for http://crbug.com/40395
2168 // Simulates this:
2169 //   <script>
2170 //     window.location.replace("#a");
2171 //     window.location='http://foo3/';
2172 //   </script>
2173 TEST_F(NavigationControllerTest, ClientRedirectAfterInPageNavigation) {
2174   NavigationControllerImpl& controller = controller_impl();
2175   TestNotificationTracker notifications;
2176   RegisterForAllNavNotifications(&notifications, &controller);
2177
2178   // Load an initial page.
2179   {
2180     const GURL url("http://foo/");
2181     main_test_rfh()->SendNavigate(0, url);
2182     EXPECT_EQ(1U, navigation_entry_committed_counter_);
2183     navigation_entry_committed_counter_ = 0;
2184   }
2185
2186   // Navigate to a new page.
2187   {
2188     const GURL url("http://foo2/");
2189     main_test_rfh()->SendNavigate(1, url);
2190     EXPECT_EQ(1U, navigation_entry_committed_counter_);
2191     navigation_entry_committed_counter_ = 0;
2192   }
2193
2194   // Navigate within the page.
2195   {
2196     const GURL url("http://foo2/#a");
2197     FrameHostMsg_DidCommitProvisionalLoad_Params params;
2198     params.page_id = 1;  // Same page_id
2199     params.url = url;
2200     params.transition = PAGE_TRANSITION_LINK;
2201     params.redirects.push_back(url);
2202     params.should_update_history = true;
2203     params.gesture = NavigationGestureUnknown;
2204     params.is_post = false;
2205     params.page_state = PageState::CreateFromURL(url);
2206     params.was_within_same_page = true;
2207
2208     // This should NOT generate a new entry, nor prune the list.
2209     LoadCommittedDetails details;
2210     EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
2211                                                &details));
2212     EXPECT_EQ(1U, navigation_entry_committed_counter_);
2213     navigation_entry_committed_counter_ = 0;
2214     EXPECT_TRUE(details.is_in_page);
2215     EXPECT_TRUE(details.did_replace_entry);
2216     EXPECT_EQ(2, controller.GetEntryCount());
2217   }
2218
2219   // Perform a client redirect to a new page.
2220   {
2221     const GURL url("http://foo3/");
2222     FrameHostMsg_DidCommitProvisionalLoad_Params params;
2223     params.page_id = 2;  // New page_id
2224     params.url = url;
2225     params.transition = PAGE_TRANSITION_CLIENT_REDIRECT;
2226     params.redirects.push_back(GURL("http://foo2/#a"));
2227     params.redirects.push_back(url);
2228     params.should_update_history = true;
2229     params.gesture = NavigationGestureUnknown;
2230     params.is_post = false;
2231     params.page_state = PageState::CreateFromURL(url);
2232
2233     // This SHOULD generate a new entry.
2234     LoadCommittedDetails details;
2235     EXPECT_TRUE(controller.RendererDidNavigate(main_test_rfh(), params,
2236                                                &details));
2237     EXPECT_EQ(1U, navigation_entry_committed_counter_);
2238     navigation_entry_committed_counter_ = 0;
2239     EXPECT_FALSE(details.is_in_page);
2240     EXPECT_EQ(3, controller.GetEntryCount());
2241   }
2242
2243   // Verify that BACK brings us back to http://foo2/.
2244   {
2245     const GURL url("http://foo2/");
2246     controller.GoBack();
2247     main_test_rfh()->SendNavigate(1, url);
2248     EXPECT_EQ(1U, navigation_entry_committed_counter_);
2249     navigation_entry_committed_counter_ = 0;
2250     EXPECT_EQ(url, controller.GetVisibleEntry()->GetURL());
2251   }
2252 }
2253
2254 TEST_F(NavigationControllerTest, PushStateWithoutPreviousEntry)
2255 {
2256   ASSERT_FALSE(controller_impl().GetLastCommittedEntry());
2257   FrameHostMsg_DidCommitProvisionalLoad_Params params;
2258   GURL url("http://foo");
2259   params.page_id = 1;
2260   params.url = url;
2261   params.page_state = PageState::CreateFromURL(url);
2262   params.was_within_same_page = true;
2263   test_rvh()->SendNavigateWithParams(&params);
2264   // We pass if we don't crash.
2265 }
2266
2267 // NotificationObserver implementation used in verifying we've received the
2268 // NOTIFICATION_NAV_LIST_PRUNED method.
2269 class PrunedListener : public NotificationObserver {
2270  public:
2271   explicit PrunedListener(NavigationControllerImpl* controller)
2272       : notification_count_(0) {
2273     registrar_.Add(this, NOTIFICATION_NAV_LIST_PRUNED,
2274                    Source<NavigationController>(controller));
2275   }
2276
2277   virtual void Observe(int type,
2278                        const NotificationSource& source,
2279                        const NotificationDetails& details) OVERRIDE {
2280     if (type == NOTIFICATION_NAV_LIST_PRUNED) {
2281       notification_count_++;
2282       details_ = *(Details<PrunedDetails>(details).ptr());
2283     }
2284   }
2285
2286   // Number of times NAV_LIST_PRUNED has been observed.
2287   int notification_count_;
2288
2289   // Details from the last NAV_LIST_PRUNED.
2290   PrunedDetails details_;
2291
2292  private:
2293   NotificationRegistrar registrar_;
2294
2295   DISALLOW_COPY_AND_ASSIGN(PrunedListener);
2296 };
2297
2298 // Tests that we limit the number of navigation entries created correctly.
2299 TEST_F(NavigationControllerTest, EnforceMaxNavigationCount) {
2300   NavigationControllerImpl& controller = controller_impl();
2301   size_t original_count = NavigationControllerImpl::max_entry_count();
2302   const int kMaxEntryCount = 5;
2303
2304   NavigationControllerImpl::set_max_entry_count_for_testing(kMaxEntryCount);
2305
2306   int url_index;
2307   // Load up to the max count, all entries should be there.
2308   for (url_index = 0; url_index < kMaxEntryCount; url_index++) {
2309     GURL url(base::StringPrintf("http://www.a.com/%d", url_index));
2310     controller.LoadURL(
2311         url, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2312     main_test_rfh()->SendNavigate(url_index, url);
2313   }
2314
2315   EXPECT_EQ(controller.GetEntryCount(), kMaxEntryCount);
2316
2317   // Created a PrunedListener to observe prune notifications.
2318   PrunedListener listener(&controller);
2319
2320   // Navigate some more.
2321   GURL url(base::StringPrintf("http://www.a.com/%d", url_index));
2322   controller.LoadURL(
2323       url, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2324   main_test_rfh()->SendNavigate(url_index, url);
2325   url_index++;
2326
2327   // We should have got a pruned navigation.
2328   EXPECT_EQ(1, listener.notification_count_);
2329   EXPECT_TRUE(listener.details_.from_front);
2330   EXPECT_EQ(1, listener.details_.count);
2331
2332   // We expect http://www.a.com/0 to be gone.
2333   EXPECT_EQ(controller.GetEntryCount(), kMaxEntryCount);
2334   EXPECT_EQ(controller.GetEntryAtIndex(0)->GetURL(),
2335             GURL("http:////www.a.com/1"));
2336
2337   // More navigations.
2338   for (int i = 0; i < 3; i++) {
2339     url = GURL(base::StringPrintf("http:////www.a.com/%d", url_index));
2340     controller.LoadURL(
2341         url, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2342     main_test_rfh()->SendNavigate(url_index, url);
2343     url_index++;
2344   }
2345   EXPECT_EQ(controller.GetEntryCount(), kMaxEntryCount);
2346   EXPECT_EQ(controller.GetEntryAtIndex(0)->GetURL(),
2347             GURL("http:////www.a.com/4"));
2348
2349   NavigationControllerImpl::set_max_entry_count_for_testing(original_count);
2350 }
2351
2352 // Tests that we can do a restore and navigate to the restored entries and
2353 // everything is updated properly. This can be tricky since there is no
2354 // SiteInstance for the entries created initially.
2355 TEST_F(NavigationControllerTest, RestoreNavigate) {
2356   // Create a NavigationController with a restored set of tabs.
2357   GURL url("http://foo");
2358   std::vector<NavigationEntry*> entries;
2359   NavigationEntry* entry = NavigationControllerImpl::CreateNavigationEntry(
2360       url, Referrer(), PAGE_TRANSITION_RELOAD, false, std::string(),
2361       browser_context());
2362   entry->SetPageID(0);
2363   entry->SetTitle(base::ASCIIToUTF16("Title"));
2364   entry->SetPageState(PageState::CreateFromEncodedData("state"));
2365   const base::Time timestamp = base::Time::Now();
2366   entry->SetTimestamp(timestamp);
2367   entries.push_back(entry);
2368   scoped_ptr<WebContentsImpl> our_contents(static_cast<WebContentsImpl*>(
2369       WebContents::Create(WebContents::CreateParams(browser_context()))));
2370   NavigationControllerImpl& our_controller = our_contents->GetController();
2371   our_controller.Restore(
2372       0,
2373       NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY,
2374       &entries);
2375   ASSERT_EQ(0u, entries.size());
2376
2377   // Before navigating to the restored entry, it should have a restore_type
2378   // and no SiteInstance.
2379   ASSERT_EQ(1, our_controller.GetEntryCount());
2380   EXPECT_EQ(NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY,
2381             NavigationEntryImpl::FromNavigationEntry(
2382                 our_controller.GetEntryAtIndex(0))->restore_type());
2383   EXPECT_FALSE(NavigationEntryImpl::FromNavigationEntry(
2384       our_controller.GetEntryAtIndex(0))->site_instance());
2385
2386   // After navigating, we should have one entry, and it should be "pending".
2387   // It should now have a SiteInstance and no restore_type.
2388   our_controller.GoToIndex(0);
2389   EXPECT_EQ(1, our_controller.GetEntryCount());
2390   EXPECT_EQ(our_controller.GetEntryAtIndex(0),
2391             our_controller.GetPendingEntry());
2392   EXPECT_EQ(0, our_controller.GetEntryAtIndex(0)->GetPageID());
2393   EXPECT_EQ(NavigationEntryImpl::RESTORE_NONE,
2394             NavigationEntryImpl::FromNavigationEntry
2395                 (our_controller.GetEntryAtIndex(0))->restore_type());
2396   EXPECT_TRUE(NavigationEntryImpl::FromNavigationEntry(
2397       our_controller.GetEntryAtIndex(0))->site_instance());
2398
2399   // Timestamp should remain the same before the navigation finishes.
2400   EXPECT_EQ(timestamp, our_controller.GetEntryAtIndex(0)->GetTimestamp());
2401
2402   // Say we navigated to that entry.
2403   FrameHostMsg_DidCommitProvisionalLoad_Params params;
2404   params.page_id = 0;
2405   params.url = url;
2406   params.transition = PAGE_TRANSITION_LINK;
2407   params.should_update_history = false;
2408   params.gesture = NavigationGestureUser;
2409   params.is_post = false;
2410   params.page_state = PageState::CreateFromURL(url);
2411   LoadCommittedDetails details;
2412   our_controller.RendererDidNavigate(our_contents->GetMainFrame(), params,
2413                                      &details);
2414
2415   // There should be no longer any pending entry and one committed one. This
2416   // means that we were able to locate the entry, assign its site instance, and
2417   // commit it properly.
2418   EXPECT_EQ(1, our_controller.GetEntryCount());
2419   EXPECT_EQ(0, our_controller.GetLastCommittedEntryIndex());
2420   EXPECT_FALSE(our_controller.GetPendingEntry());
2421   EXPECT_EQ(url,
2422             NavigationEntryImpl::FromNavigationEntry(
2423                 our_controller.GetLastCommittedEntry())->site_instance()->
2424                     GetSiteURL());
2425   EXPECT_EQ(NavigationEntryImpl::RESTORE_NONE,
2426             NavigationEntryImpl::FromNavigationEntry(
2427                 our_controller.GetEntryAtIndex(0))->restore_type());
2428
2429   // Timestamp should have been updated.
2430   EXPECT_GE(our_controller.GetEntryAtIndex(0)->GetTimestamp(), timestamp);
2431 }
2432
2433 // Tests that we can still navigate to a restored entry after a different
2434 // navigation fails and clears the pending entry.  http://crbug.com/90085
2435 TEST_F(NavigationControllerTest, RestoreNavigateAfterFailure) {
2436   // Create a NavigationController with a restored set of tabs.
2437   GURL url("http://foo");
2438   std::vector<NavigationEntry*> entries;
2439   NavigationEntry* entry = NavigationControllerImpl::CreateNavigationEntry(
2440       url, Referrer(), PAGE_TRANSITION_RELOAD, false, std::string(),
2441       browser_context());
2442   entry->SetPageID(0);
2443   entry->SetTitle(base::ASCIIToUTF16("Title"));
2444   entry->SetPageState(PageState::CreateFromEncodedData("state"));
2445   entries.push_back(entry);
2446   scoped_ptr<WebContentsImpl> our_contents(static_cast<WebContentsImpl*>(
2447       WebContents::Create(WebContents::CreateParams(browser_context()))));
2448   NavigationControllerImpl& our_controller = our_contents->GetController();
2449   our_controller.Restore(
2450       0, NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY, &entries);
2451   ASSERT_EQ(0u, entries.size());
2452
2453   // Before navigating to the restored entry, it should have a restore_type
2454   // and no SiteInstance.
2455   EXPECT_EQ(NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY,
2456             NavigationEntryImpl::FromNavigationEntry(
2457                 our_controller.GetEntryAtIndex(0))->restore_type());
2458   EXPECT_FALSE(NavigationEntryImpl::FromNavigationEntry(
2459       our_controller.GetEntryAtIndex(0))->site_instance());
2460
2461   // After navigating, we should have one entry, and it should be "pending".
2462   // It should now have a SiteInstance and no restore_type.
2463   our_controller.GoToIndex(0);
2464   EXPECT_EQ(1, our_controller.GetEntryCount());
2465   EXPECT_EQ(our_controller.GetEntryAtIndex(0),
2466             our_controller.GetPendingEntry());
2467   EXPECT_EQ(0, our_controller.GetEntryAtIndex(0)->GetPageID());
2468   EXPECT_EQ(NavigationEntryImpl::RESTORE_NONE,
2469             NavigationEntryImpl::FromNavigationEntry(
2470                 our_controller.GetEntryAtIndex(0))->restore_type());
2471   EXPECT_TRUE(NavigationEntryImpl::FromNavigationEntry(
2472       our_controller.GetEntryAtIndex(0))->site_instance());
2473
2474   // This pending navigation may have caused a different navigation to fail,
2475   // which causes the pending entry to be cleared.
2476   FrameHostMsg_DidFailProvisionalLoadWithError_Params fail_load_params;
2477   fail_load_params.error_code = net::ERR_ABORTED;
2478   fail_load_params.error_description = base::string16();
2479   fail_load_params.url = url;
2480   fail_load_params.showing_repost_interstitial = false;
2481   main_test_rfh()->OnMessageReceived(
2482       FrameHostMsg_DidFailProvisionalLoadWithError(0,  // routing_id
2483                                                   fail_load_params));
2484
2485   // Now the pending restored entry commits.
2486   FrameHostMsg_DidCommitProvisionalLoad_Params params;
2487   params.page_id = 0;
2488   params.url = url;
2489   params.transition = PAGE_TRANSITION_LINK;
2490   params.should_update_history = false;
2491   params.gesture = NavigationGestureUser;
2492   params.is_post = false;
2493   params.page_state = PageState::CreateFromURL(url);
2494   LoadCommittedDetails details;
2495   our_controller.RendererDidNavigate(our_contents->GetMainFrame(), params,
2496                                      &details);
2497
2498   // There should be no pending entry and one committed one.
2499   EXPECT_EQ(1, our_controller.GetEntryCount());
2500   EXPECT_EQ(0, our_controller.GetLastCommittedEntryIndex());
2501   EXPECT_FALSE(our_controller.GetPendingEntry());
2502   EXPECT_EQ(url,
2503             NavigationEntryImpl::FromNavigationEntry(
2504                 our_controller.GetLastCommittedEntry())->site_instance()->
2505                     GetSiteURL());
2506   EXPECT_EQ(NavigationEntryImpl::RESTORE_NONE,
2507             NavigationEntryImpl::FromNavigationEntry(
2508                 our_controller.GetEntryAtIndex(0))->restore_type());
2509 }
2510
2511 // Make sure that the page type and stuff is correct after an interstitial.
2512 TEST_F(NavigationControllerTest, Interstitial) {
2513   NavigationControllerImpl& controller = controller_impl();
2514   // First navigate somewhere normal.
2515   const GURL url1("http://foo");
2516   controller.LoadURL(
2517       url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2518   main_test_rfh()->SendNavigate(0, url1);
2519
2520   // Now navigate somewhere with an interstitial.
2521   const GURL url2("http://bar");
2522   controller.LoadURL(
2523       url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2524   NavigationEntryImpl::FromNavigationEntry(controller.GetPendingEntry())->
2525       set_page_type(PAGE_TYPE_INTERSTITIAL);
2526
2527   // At this point the interstitial will be displayed and the load will still
2528   // be pending. If the user continues, the load will commit.
2529   main_test_rfh()->SendNavigate(1, url2);
2530
2531   // The page should be a normal page again.
2532   EXPECT_EQ(url2, controller.GetLastCommittedEntry()->GetURL());
2533   EXPECT_EQ(PAGE_TYPE_NORMAL,
2534             controller.GetLastCommittedEntry()->GetPageType());
2535 }
2536
2537 TEST_F(NavigationControllerTest, RemoveEntry) {
2538   NavigationControllerImpl& controller = controller_impl();
2539   const GURL url1("http://foo/1");
2540   const GURL url2("http://foo/2");
2541   const GURL url3("http://foo/3");
2542   const GURL url4("http://foo/4");
2543   const GURL url5("http://foo/5");
2544   const GURL pending_url("http://foo/pending");
2545   const GURL default_url("http://foo/default");
2546
2547   controller.LoadURL(
2548       url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2549   main_test_rfh()->SendNavigate(0, url1);
2550   controller.LoadURL(
2551       url2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2552   main_test_rfh()->SendNavigate(1, url2);
2553   controller.LoadURL(
2554       url3, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2555   main_test_rfh()->SendNavigate(2, url3);
2556   controller.LoadURL(
2557       url4, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2558   main_test_rfh()->SendNavigate(3, url4);
2559   controller.LoadURL(
2560       url5, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2561   main_test_rfh()->SendNavigate(4, url5);
2562
2563   // Try to remove the last entry.  Will fail because it is the current entry.
2564   EXPECT_FALSE(controller.RemoveEntryAtIndex(controller.GetEntryCount() - 1));
2565   EXPECT_EQ(5, controller.GetEntryCount());
2566   EXPECT_EQ(4, controller.GetLastCommittedEntryIndex());
2567
2568   // Go back, but don't commit yet. Check that we can't delete the current
2569   // and pending entries.
2570   controller.GoBack();
2571   EXPECT_FALSE(controller.RemoveEntryAtIndex(controller.GetEntryCount() - 1));
2572   EXPECT_FALSE(controller.RemoveEntryAtIndex(controller.GetEntryCount() - 2));
2573
2574   // Now commit and delete the last entry.
2575   main_test_rfh()->SendNavigate(3, url4);
2576   EXPECT_TRUE(controller.RemoveEntryAtIndex(controller.GetEntryCount() - 1));
2577   EXPECT_EQ(4, controller.GetEntryCount());
2578   EXPECT_EQ(3, controller.GetLastCommittedEntryIndex());
2579   EXPECT_FALSE(controller.GetPendingEntry());
2580
2581   // Remove an entry which is not the last committed one.
2582   EXPECT_TRUE(controller.RemoveEntryAtIndex(0));
2583   EXPECT_EQ(3, controller.GetEntryCount());
2584   EXPECT_EQ(2, controller.GetLastCommittedEntryIndex());
2585   EXPECT_FALSE(controller.GetPendingEntry());
2586
2587   // Remove the 2 remaining entries.
2588   controller.RemoveEntryAtIndex(1);
2589   controller.RemoveEntryAtIndex(0);
2590
2591   // This should leave us with only the last committed entry.
2592   EXPECT_EQ(1, controller.GetEntryCount());
2593   EXPECT_EQ(0, controller.GetLastCommittedEntryIndex());
2594 }
2595
2596 // Tests the transient entry, making sure it goes away with all navigations.
2597 TEST_F(NavigationControllerTest, TransientEntry) {
2598   NavigationControllerImpl& controller = controller_impl();
2599   TestNotificationTracker notifications;
2600   RegisterForAllNavNotifications(&notifications, &controller);
2601
2602   const GURL url0("http://foo/0");
2603   const GURL url1("http://foo/1");
2604   const GURL url2("http://foo/2");
2605   const GURL url3("http://foo/3");
2606   const GURL url3_ref("http://foo/3#bar");
2607   const GURL url4("http://foo/4");
2608   const GURL transient_url("http://foo/transient");
2609
2610   controller.LoadURL(
2611       url0, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2612   main_test_rfh()->SendNavigate(0, url0);
2613   controller.LoadURL(
2614       url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2615   main_test_rfh()->SendNavigate(1, url1);
2616
2617   notifications.Reset();
2618
2619   // Adding a transient with no pending entry.
2620   NavigationEntryImpl* transient_entry = new NavigationEntryImpl;
2621   transient_entry->SetURL(transient_url);
2622   controller.SetTransientEntry(transient_entry);
2623
2624   // We should not have received any notifications.
2625   EXPECT_EQ(0U, notifications.size());
2626
2627   // Check our state.
2628   EXPECT_EQ(transient_url, controller.GetVisibleEntry()->GetURL());
2629   EXPECT_EQ(controller.GetEntryCount(), 3);
2630   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 1);
2631   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
2632   EXPECT_TRUE(controller.GetLastCommittedEntry());
2633   EXPECT_FALSE(controller.GetPendingEntry());
2634   EXPECT_TRUE(controller.CanGoBack());
2635   EXPECT_FALSE(controller.CanGoForward());
2636   EXPECT_EQ(contents()->GetMaxPageID(), 1);
2637
2638   // Navigate.
2639   controller.LoadURL(
2640       url2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2641   main_test_rfh()->SendNavigate(2, url2);
2642
2643   // We should have navigated, transient entry should be gone.
2644   EXPECT_EQ(url2, controller.GetVisibleEntry()->GetURL());
2645   EXPECT_EQ(controller.GetEntryCount(), 3);
2646
2647   // Add a transient again, then navigate with no pending entry this time.
2648   transient_entry = new NavigationEntryImpl;
2649   transient_entry->SetURL(transient_url);
2650   controller.SetTransientEntry(transient_entry);
2651   EXPECT_EQ(transient_url, controller.GetVisibleEntry()->GetURL());
2652   main_test_rfh()->SendNavigate(3, url3);
2653   // Transient entry should be gone.
2654   EXPECT_EQ(url3, controller.GetVisibleEntry()->GetURL());
2655   EXPECT_EQ(controller.GetEntryCount(), 4);
2656
2657   // Initiate a navigation, add a transient then commit navigation.
2658   controller.LoadURL(
2659       url4, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2660   transient_entry = new NavigationEntryImpl;
2661   transient_entry->SetURL(transient_url);
2662   controller.SetTransientEntry(transient_entry);
2663   EXPECT_EQ(transient_url, controller.GetVisibleEntry()->GetURL());
2664   main_test_rfh()->SendNavigate(4, url4);
2665   EXPECT_EQ(url4, controller.GetVisibleEntry()->GetURL());
2666   EXPECT_EQ(controller.GetEntryCount(), 5);
2667
2668   // Add a transient and go back.  This should simply remove the transient.
2669   transient_entry = new NavigationEntryImpl;
2670   transient_entry->SetURL(transient_url);
2671   controller.SetTransientEntry(transient_entry);
2672   EXPECT_EQ(transient_url, controller.GetVisibleEntry()->GetURL());
2673   EXPECT_TRUE(controller.CanGoBack());
2674   EXPECT_FALSE(controller.CanGoForward());
2675   controller.GoBack();
2676   // Transient entry should be gone.
2677   EXPECT_EQ(url4, controller.GetVisibleEntry()->GetURL());
2678   EXPECT_EQ(controller.GetEntryCount(), 5);
2679   main_test_rfh()->SendNavigate(3, url3);
2680
2681   // Add a transient and go to an entry before the current one.
2682   transient_entry = new NavigationEntryImpl;
2683   transient_entry->SetURL(transient_url);
2684   controller.SetTransientEntry(transient_entry);
2685   EXPECT_EQ(transient_url, controller.GetVisibleEntry()->GetURL());
2686   controller.GoToIndex(1);
2687   // The navigation should have been initiated, transient entry should be gone.
2688   EXPECT_FALSE(controller.GetTransientEntry());
2689   EXPECT_EQ(url1, controller.GetPendingEntry()->GetURL());
2690   // Visible entry does not update for history navigations until commit.
2691   EXPECT_EQ(url3, controller.GetVisibleEntry()->GetURL());
2692   main_test_rfh()->SendNavigate(1, url1);
2693   EXPECT_EQ(url1, controller.GetVisibleEntry()->GetURL());
2694
2695   // Add a transient and go to an entry after the current one.
2696   transient_entry = new NavigationEntryImpl;
2697   transient_entry->SetURL(transient_url);
2698   controller.SetTransientEntry(transient_entry);
2699   EXPECT_EQ(transient_url, controller.GetVisibleEntry()->GetURL());
2700   controller.GoToIndex(3);
2701   // The navigation should have been initiated, transient entry should be gone.
2702   // Because of the transient entry that is removed, going to index 3 makes us
2703   // land on url2 (which is visible after the commit).
2704   EXPECT_EQ(url2, controller.GetPendingEntry()->GetURL());
2705   EXPECT_EQ(url1, controller.GetVisibleEntry()->GetURL());
2706   main_test_rfh()->SendNavigate(2, url2);
2707   EXPECT_EQ(url2, controller.GetVisibleEntry()->GetURL());
2708
2709   // Add a transient and go forward.
2710   transient_entry = new NavigationEntryImpl;
2711   transient_entry->SetURL(transient_url);
2712   controller.SetTransientEntry(transient_entry);
2713   EXPECT_EQ(transient_url, controller.GetVisibleEntry()->GetURL());
2714   EXPECT_TRUE(controller.CanGoForward());
2715   controller.GoForward();
2716   // We should have navigated, transient entry should be gone.
2717   EXPECT_FALSE(controller.GetTransientEntry());
2718   EXPECT_EQ(url3, controller.GetPendingEntry()->GetURL());
2719   EXPECT_EQ(url2, controller.GetVisibleEntry()->GetURL());
2720   main_test_rfh()->SendNavigate(3, url3);
2721   EXPECT_EQ(url3, controller.GetVisibleEntry()->GetURL());
2722
2723   // Add a transient and do an in-page navigation, replacing the current entry.
2724   transient_entry = new NavigationEntryImpl;
2725   transient_entry->SetURL(transient_url);
2726   controller.SetTransientEntry(transient_entry);
2727   EXPECT_EQ(transient_url, controller.GetVisibleEntry()->GetURL());
2728   main_test_rfh()->SendNavigate(3, url3_ref);
2729   // Transient entry should be gone.
2730   EXPECT_FALSE(controller.GetTransientEntry());
2731   EXPECT_EQ(url3_ref, controller.GetVisibleEntry()->GetURL());
2732
2733   // Ensure the URLs are correct.
2734   EXPECT_EQ(controller.GetEntryCount(), 5);
2735   EXPECT_EQ(controller.GetEntryAtIndex(0)->GetURL(), url0);
2736   EXPECT_EQ(controller.GetEntryAtIndex(1)->GetURL(), url1);
2737   EXPECT_EQ(controller.GetEntryAtIndex(2)->GetURL(), url2);
2738   EXPECT_EQ(controller.GetEntryAtIndex(3)->GetURL(), url3_ref);
2739   EXPECT_EQ(controller.GetEntryAtIndex(4)->GetURL(), url4);
2740 }
2741
2742 // Test that Reload initiates a new navigation to a transient entry's URL.
2743 TEST_F(NavigationControllerTest, ReloadTransient) {
2744   NavigationControllerImpl& controller = controller_impl();
2745   const GURL url0("http://foo/0");
2746   const GURL url1("http://foo/1");
2747   const GURL transient_url("http://foo/transient");
2748
2749   // Load |url0|, and start a pending navigation to |url1|.
2750   controller.LoadURL(
2751       url0, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2752   main_test_rfh()->SendNavigate(0, url0);
2753   controller.LoadURL(
2754       url1, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2755
2756   // A transient entry is added, interrupting the navigation.
2757   NavigationEntryImpl* transient_entry = new NavigationEntryImpl;
2758   transient_entry->SetURL(transient_url);
2759   controller.SetTransientEntry(transient_entry);
2760   EXPECT_TRUE(controller.GetTransientEntry());
2761   EXPECT_EQ(transient_url, controller.GetVisibleEntry()->GetURL());
2762
2763   // The page is reloaded, which should remove the pending entry for |url1| and
2764   // the transient entry for |transient_url|, and start a navigation to
2765   // |transient_url|.
2766   controller.Reload(true);
2767   EXPECT_FALSE(controller.GetTransientEntry());
2768   EXPECT_TRUE(controller.GetPendingEntry());
2769   EXPECT_EQ(transient_url, controller.GetVisibleEntry()->GetURL());
2770   ASSERT_EQ(controller.GetEntryCount(), 1);
2771   EXPECT_EQ(controller.GetEntryAtIndex(0)->GetURL(), url0);
2772
2773   // Load of |transient_url| completes.
2774   main_test_rfh()->SendNavigate(1, transient_url);
2775   ASSERT_EQ(controller.GetEntryCount(), 2);
2776   EXPECT_EQ(controller.GetEntryAtIndex(0)->GetURL(), url0);
2777   EXPECT_EQ(controller.GetEntryAtIndex(1)->GetURL(), transient_url);
2778 }
2779
2780 // Ensure that renderer initiated pending entries get replaced, so that we
2781 // don't show a stale virtual URL when a navigation commits.
2782 // See http://crbug.com/266922.
2783 TEST_F(NavigationControllerTest, RendererInitiatedPendingEntries) {
2784   NavigationControllerImpl& controller = controller_impl();
2785   Navigator* navigator =
2786       contents()->GetFrameTree()->root()->navigator();
2787
2788   const GURL url1("nonexistent:12121");
2789   const GURL url1_fixed("http://nonexistent:12121/");
2790   const GURL url2("http://foo");
2791
2792   // We create pending entries for renderer-initiated navigations so that we
2793   // can show them in new tabs when it is safe.
2794   navigator->DidStartProvisionalLoad(main_test_rfh(), url1, false);
2795
2796   // Simulate what happens if a BrowserURLHandler rewrites the URL, causing
2797   // the virtual URL to differ from the URL.
2798   controller.GetPendingEntry()->SetURL(url1_fixed);
2799   controller.GetPendingEntry()->SetVirtualURL(url1);
2800
2801   EXPECT_EQ(url1_fixed, controller.GetPendingEntry()->GetURL());
2802   EXPECT_EQ(url1, controller.GetPendingEntry()->GetVirtualURL());
2803   EXPECT_TRUE(
2804       NavigationEntryImpl::FromNavigationEntry(controller.GetPendingEntry())->
2805           is_renderer_initiated());
2806
2807   // If the user clicks another link, we should replace the pending entry.
2808   navigator->DidStartProvisionalLoad(main_test_rfh(), url2, false);
2809   EXPECT_EQ(url2, controller.GetPendingEntry()->GetURL());
2810   EXPECT_EQ(url2, controller.GetPendingEntry()->GetVirtualURL());
2811
2812   // Once it commits, the URL and virtual URL should reflect the actual page.
2813   main_test_rfh()->SendNavigate(0, url2);
2814   EXPECT_EQ(url2, controller.GetLastCommittedEntry()->GetURL());
2815   EXPECT_EQ(url2, controller.GetLastCommittedEntry()->GetVirtualURL());
2816
2817   // We should not replace the pending entry for an error URL.
2818   navigator->DidStartProvisionalLoad(main_test_rfh(), url1, false);
2819   EXPECT_EQ(url1, controller.GetPendingEntry()->GetURL());
2820   navigator->DidStartProvisionalLoad(main_test_rfh(),
2821                                      GURL(kUnreachableWebDataURL), false);
2822   EXPECT_EQ(url1, controller.GetPendingEntry()->GetURL());
2823
2824   // We should remember if the pending entry will replace the current one.
2825   // http://crbug.com/308444.
2826   navigator->DidStartProvisionalLoad(main_test_rfh(), url1, false);
2827   NavigationEntryImpl::FromNavigationEntry(controller.GetPendingEntry())->
2828       set_should_replace_entry(true);
2829   navigator->DidStartProvisionalLoad(main_test_rfh(), url2, false);
2830   EXPECT_TRUE(
2831       NavigationEntryImpl::FromNavigationEntry(controller.GetPendingEntry())->
2832           should_replace_entry());
2833   // TODO(nasko): Until OnNavigate is moved to RenderFrameHost, we need
2834   // to go through the RenderViewHost. The TestRenderViewHost routes navigations
2835   // to the main frame.
2836   main_test_rfh()->SendNavigate(0, url2);
2837   EXPECT_EQ(url2, controller.GetLastCommittedEntry()->GetURL());
2838 }
2839
2840 // Tests that the URLs for renderer-initiated navigations are not displayed to
2841 // the user until the navigation commits, to prevent URL spoof attacks.
2842 // See http://crbug.com/99016.
2843 TEST_F(NavigationControllerTest, DontShowRendererURLUntilCommit) {
2844   NavigationControllerImpl& controller = controller_impl();
2845   TestNotificationTracker notifications;
2846   RegisterForAllNavNotifications(&notifications, &controller);
2847
2848   const GURL url0("http://foo/0");
2849   const GURL url1("http://foo/1");
2850
2851   // For typed navigations (browser-initiated), both pending and visible entries
2852   // should update before commit.
2853   controller.LoadURL(url0, Referrer(), PAGE_TRANSITION_TYPED, std::string());
2854   EXPECT_EQ(url0, controller.GetPendingEntry()->GetURL());
2855   EXPECT_EQ(url0, controller.GetVisibleEntry()->GetURL());
2856   main_test_rfh()->SendNavigate(0, url0);
2857
2858   // For link clicks (renderer-initiated navigations), the pending entry should
2859   // update before commit but the visible should not.
2860   NavigationController::LoadURLParams load_url_params(url1);
2861   load_url_params.is_renderer_initiated = true;
2862   controller.LoadURLWithParams(load_url_params);
2863   EXPECT_EQ(url0, controller.GetVisibleEntry()->GetURL());
2864   EXPECT_EQ(url1, controller.GetPendingEntry()->GetURL());
2865   EXPECT_TRUE(
2866       NavigationEntryImpl::FromNavigationEntry(controller.GetPendingEntry())->
2867           is_renderer_initiated());
2868
2869   // After commit, both visible should be updated, there should be no pending
2870   // entry, and we should no longer treat the entry as renderer-initiated.
2871   main_test_rfh()->SendNavigate(1, url1);
2872   EXPECT_EQ(url1, controller.GetVisibleEntry()->GetURL());
2873   EXPECT_FALSE(controller.GetPendingEntry());
2874   EXPECT_FALSE(
2875       NavigationEntryImpl::FromNavigationEntry(
2876           controller.GetLastCommittedEntry())->is_renderer_initiated());
2877
2878   notifications.Reset();
2879 }
2880
2881 // Tests that the URLs for renderer-initiated navigations in new tabs are
2882 // displayed to the user before commit, as long as the initial about:blank
2883 // page has not been modified.  If so, we must revert to showing about:blank.
2884 // See http://crbug.com/9682.
2885 TEST_F(NavigationControllerTest, ShowRendererURLInNewTabUntilModified) {
2886   NavigationControllerImpl& controller = controller_impl();
2887   TestNotificationTracker notifications;
2888   RegisterForAllNavNotifications(&notifications, &controller);
2889
2890   const GURL url("http://foo");
2891
2892   // For renderer-initiated navigations in new tabs (with no committed entries),
2893   // we show the pending entry's URL as long as the about:blank page is not
2894   // modified.
2895   NavigationController::LoadURLParams load_url_params(url);
2896   load_url_params.transition_type = PAGE_TRANSITION_LINK;
2897   load_url_params.is_renderer_initiated = true;
2898   controller.LoadURLWithParams(load_url_params);
2899   EXPECT_EQ(url, controller.GetVisibleEntry()->GetURL());
2900   EXPECT_EQ(url, controller.GetPendingEntry()->GetURL());
2901   EXPECT_TRUE(
2902       NavigationEntryImpl::FromNavigationEntry(controller.GetPendingEntry())->
2903           is_renderer_initiated());
2904   EXPECT_TRUE(controller.IsInitialNavigation());
2905   EXPECT_FALSE(contents()->HasAccessedInitialDocument());
2906
2907   // There should be no title yet.
2908   EXPECT_TRUE(contents()->GetTitle().empty());
2909
2910   // If something else modifies the contents of the about:blank page, then
2911   // we must revert to showing about:blank to avoid a URL spoof.
2912   main_test_rfh()->OnMessageReceived(FrameHostMsg_DidAccessInitialDocument(0));
2913   EXPECT_TRUE(contents()->HasAccessedInitialDocument());
2914   EXPECT_FALSE(controller.GetVisibleEntry());
2915   EXPECT_EQ(url, controller.GetPendingEntry()->GetURL());
2916
2917   notifications.Reset();
2918 }
2919
2920 // Tests that the URLs for browser-initiated navigations in new tabs are
2921 // displayed to the user even after they fail, as long as the initial
2922 // about:blank page has not been modified.  If so, we must revert to showing
2923 // about:blank. See http://crbug.com/355537.
2924 TEST_F(NavigationControllerTest, ShowBrowserURLAfterFailUntilModified) {
2925   NavigationControllerImpl& controller = controller_impl();
2926   TestNotificationTracker notifications;
2927   RegisterForAllNavNotifications(&notifications, &controller);
2928
2929   const GURL url("http://foo");
2930
2931   // For browser-initiated navigations in new tabs (with no committed entries),
2932   // we show the pending entry's URL as long as the about:blank page is not
2933   // modified.  This is possible in cases that the user types a URL into a popup
2934   // tab created with a slow URL.
2935   NavigationController::LoadURLParams load_url_params(url);
2936   load_url_params.transition_type = PAGE_TRANSITION_TYPED;
2937   load_url_params.is_renderer_initiated = false;
2938   controller.LoadURLWithParams(load_url_params);
2939   EXPECT_EQ(url, controller.GetVisibleEntry()->GetURL());
2940   EXPECT_EQ(url, controller.GetPendingEntry()->GetURL());
2941   EXPECT_FALSE(
2942       NavigationEntryImpl::FromNavigationEntry(controller.GetPendingEntry())->
2943           is_renderer_initiated());
2944   EXPECT_TRUE(controller.IsInitialNavigation());
2945   EXPECT_FALSE(contents()->HasAccessedInitialDocument());
2946
2947   // There should be no title yet.
2948   EXPECT_TRUE(contents()->GetTitle().empty());
2949
2950   // Suppose it aborts before committing, if it's a 204 or download or due to a
2951   // stop or a new navigation from the user.  The URL should remain visible.
2952   FrameHostMsg_DidFailProvisionalLoadWithError_Params params;
2953   params.error_code = net::ERR_ABORTED;
2954   params.error_description = base::string16();
2955   params.url = url;
2956   params.showing_repost_interstitial = false;
2957   main_test_rfh()->OnMessageReceived(
2958       FrameHostMsg_DidFailProvisionalLoadWithError(0, params));
2959   contents()->SetIsLoading(test_rvh(), false, true, NULL);
2960   EXPECT_EQ(url, controller.GetVisibleEntry()->GetURL());
2961
2962   // If something else later modifies the contents of the about:blank page, then
2963   // we must revert to showing about:blank to avoid a URL spoof.
2964   main_test_rfh()->OnMessageReceived(FrameHostMsg_DidAccessInitialDocument(0));
2965   EXPECT_TRUE(contents()->HasAccessedInitialDocument());
2966   EXPECT_FALSE(controller.GetVisibleEntry());
2967   EXPECT_FALSE(controller.GetPendingEntry());
2968
2969   notifications.Reset();
2970 }
2971
2972 // Tests that the URLs for renderer-initiated navigations in new tabs are
2973 // displayed to the user even after they fail, as long as the initial
2974 // about:blank page has not been modified.  If so, we must revert to showing
2975 // about:blank. See http://crbug.com/355537.
2976 TEST_F(NavigationControllerTest, ShowRendererURLAfterFailUntilModified) {
2977   NavigationControllerImpl& controller = controller_impl();
2978   TestNotificationTracker notifications;
2979   RegisterForAllNavNotifications(&notifications, &controller);
2980
2981   const GURL url("http://foo");
2982
2983   // For renderer-initiated navigations in new tabs (with no committed entries),
2984   // we show the pending entry's URL as long as the about:blank page is not
2985   // modified.
2986   NavigationController::LoadURLParams load_url_params(url);
2987   load_url_params.transition_type = PAGE_TRANSITION_LINK;
2988   load_url_params.is_renderer_initiated = true;
2989   controller.LoadURLWithParams(load_url_params);
2990   EXPECT_EQ(url, controller.GetVisibleEntry()->GetURL());
2991   EXPECT_EQ(url, controller.GetPendingEntry()->GetURL());
2992   EXPECT_TRUE(
2993       NavigationEntryImpl::FromNavigationEntry(controller.GetPendingEntry())->
2994           is_renderer_initiated());
2995   EXPECT_TRUE(controller.IsInitialNavigation());
2996   EXPECT_FALSE(contents()->HasAccessedInitialDocument());
2997
2998   // There should be no title yet.
2999   EXPECT_TRUE(contents()->GetTitle().empty());
3000
3001   // Suppose it aborts before committing, if it's a 204 or download or due to a
3002   // stop or a new navigation from the user.  The URL should remain visible.
3003   FrameHostMsg_DidFailProvisionalLoadWithError_Params params;
3004   params.error_code = net::ERR_ABORTED;
3005   params.error_description = base::string16();
3006   params.url = url;
3007   params.showing_repost_interstitial = false;
3008   main_test_rfh()->OnMessageReceived(
3009       FrameHostMsg_DidFailProvisionalLoadWithError(0, params));
3010   EXPECT_EQ(url, controller.GetVisibleEntry()->GetURL());
3011
3012   // If something else later modifies the contents of the about:blank page, then
3013   // we must revert to showing about:blank to avoid a URL spoof.
3014   main_test_rfh()->OnMessageReceived(FrameHostMsg_DidAccessInitialDocument(0));
3015   EXPECT_TRUE(contents()->HasAccessedInitialDocument());
3016   EXPECT_FALSE(controller.GetVisibleEntry());
3017   EXPECT_EQ(url, controller.GetPendingEntry()->GetURL());
3018
3019   notifications.Reset();
3020 }
3021
3022 TEST_F(NavigationControllerTest, DontShowRendererURLInNewTabAfterCommit) {
3023   NavigationControllerImpl& controller = controller_impl();
3024   TestNotificationTracker notifications;
3025   RegisterForAllNavNotifications(&notifications, &controller);
3026
3027   const GURL url1("http://foo/eh");
3028   const GURL url2("http://foo/bee");
3029
3030   // For renderer-initiated navigations in new tabs (with no committed entries),
3031   // we show the pending entry's URL as long as the about:blank page is not
3032   // modified.
3033   NavigationController::LoadURLParams load_url_params(url1);
3034   load_url_params.transition_type = PAGE_TRANSITION_LINK;
3035   load_url_params.is_renderer_initiated = true;
3036   controller.LoadURLWithParams(load_url_params);
3037   EXPECT_EQ(url1, controller.GetVisibleEntry()->GetURL());
3038   EXPECT_TRUE(
3039       NavigationEntryImpl::FromNavigationEntry(controller.GetPendingEntry())->
3040           is_renderer_initiated());
3041   EXPECT_TRUE(controller.IsInitialNavigation());
3042   EXPECT_FALSE(contents()->HasAccessedInitialDocument());
3043
3044   // Simulate a commit and then starting a new pending navigation.
3045   main_test_rfh()->SendNavigate(0, url1);
3046   NavigationController::LoadURLParams load_url2_params(url2);
3047   load_url2_params.transition_type = PAGE_TRANSITION_LINK;
3048   load_url2_params.is_renderer_initiated = true;
3049   controller.LoadURLWithParams(load_url2_params);
3050
3051   // We should not consider this an initial navigation, and thus should
3052   // not show the pending URL.
3053   EXPECT_FALSE(contents()->HasAccessedInitialDocument());
3054   EXPECT_FALSE(controller.IsInitialNavigation());
3055   EXPECT_TRUE(controller.GetVisibleEntry());
3056   EXPECT_EQ(url1, controller.GetVisibleEntry()->GetURL());
3057
3058   notifications.Reset();
3059 }
3060
3061 // Tests that IsInPageNavigation returns appropriate results.  Prevents
3062 // regression for bug 1126349.
3063 TEST_F(NavigationControllerTest, IsInPageNavigation) {
3064   NavigationControllerImpl& controller = controller_impl();
3065   const GURL url("http://www.google.com/home.html");
3066
3067   // If the renderer claims it performed an in-page navigation from
3068   // about:blank, trust the renderer.
3069   // This can happen when an iframe is created and populated via
3070   // document.write(), then tries to perform a fragment navigation.
3071   // TODO(japhet): We should only trust the renderer if the about:blank
3072   // was the first document in the given frame, but we don't have enough
3073   // information to identify that case currently.
3074   const GURL blank_url(url::kAboutBlankURL);
3075   main_test_rfh()->SendNavigate(0, blank_url);
3076   EXPECT_TRUE(controller.IsURLInPageNavigation(url, true,
3077       main_test_rfh()));
3078
3079   // Navigate to URL with no refs.
3080   main_test_rfh()->SendNavigate(0, url);
3081
3082   // Reloading the page is not an in-page navigation.
3083   EXPECT_FALSE(controller.IsURLInPageNavigation(url, false,
3084       main_test_rfh()));
3085   const GURL other_url("http://www.google.com/add.html");
3086   EXPECT_FALSE(controller.IsURLInPageNavigation(other_url, false,
3087       main_test_rfh()));
3088   const GURL url_with_ref("http://www.google.com/home.html#my_ref");
3089   EXPECT_TRUE(controller.IsURLInPageNavigation(url_with_ref, true,
3090       main_test_rfh()));
3091
3092   // Navigate to URL with refs.
3093   main_test_rfh()->SendNavigate(1, url_with_ref);
3094
3095   // Reloading the page is not an in-page navigation.
3096   EXPECT_FALSE(controller.IsURLInPageNavigation(url_with_ref, false,
3097       main_test_rfh()));
3098   EXPECT_FALSE(controller.IsURLInPageNavigation(url, false,
3099       main_test_rfh()));
3100   EXPECT_FALSE(controller.IsURLInPageNavigation(other_url, false,
3101       main_test_rfh()));
3102   const GURL other_url_with_ref("http://www.google.com/home.html#my_other_ref");
3103   EXPECT_TRUE(controller.IsURLInPageNavigation(other_url_with_ref, true,
3104       main_test_rfh()));
3105
3106   // Going to the same url again will be considered in-page
3107   // if the renderer says it is even if the navigation type isn't IN_PAGE.
3108   EXPECT_TRUE(controller.IsURLInPageNavigation(url_with_ref, true,
3109       main_test_rfh()));
3110
3111   // Going back to the non ref url will be considered in-page if the navigation
3112   // type is IN_PAGE.
3113   EXPECT_TRUE(controller.IsURLInPageNavigation(url, true,
3114       main_test_rfh()));
3115
3116   // If the renderer says this is a same-origin in-page navigation, believe it.
3117   // This is the pushState/replaceState case.
3118   EXPECT_TRUE(controller.IsURLInPageNavigation(other_url, true,
3119       main_test_rfh()));
3120
3121   // Don't believe the renderer if it claims a cross-origin navigation is
3122   // in-page.
3123   const GURL different_origin_url("http://www.example.com");
3124   MockRenderProcessHost* rph =
3125       static_cast<MockRenderProcessHost*>(main_test_rfh()->GetProcess());
3126   EXPECT_EQ(0, rph->bad_msg_count());
3127   EXPECT_FALSE(controller.IsURLInPageNavigation(different_origin_url, true,
3128       main_test_rfh()));
3129   EXPECT_EQ(1, rph->bad_msg_count());
3130 }
3131
3132 // Some pages can have subframes with the same base URL (minus the reference) as
3133 // the main page. Even though this is hard, it can happen, and we don't want
3134 // these subframe navigations to affect the toplevel document. They should
3135 // instead be ignored.  http://crbug.com/5585
3136 TEST_F(NavigationControllerTest, SameSubframe) {
3137   NavigationControllerImpl& controller = controller_impl();
3138   // Navigate the main frame.
3139   const GURL url("http://www.google.com/");
3140   main_test_rfh()->SendNavigate(0, url);
3141
3142   // We should be at the first navigation entry.
3143   EXPECT_EQ(controller.GetEntryCount(), 1);
3144   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
3145
3146   // Navigate a subframe that would normally count as in-page.
3147   const GURL subframe("http://www.google.com/#");
3148   FrameHostMsg_DidCommitProvisionalLoad_Params params;
3149   params.page_id = 0;
3150   params.url = subframe;
3151   params.transition = PAGE_TRANSITION_AUTO_SUBFRAME;
3152   params.should_update_history = false;
3153   params.gesture = NavigationGestureAuto;
3154   params.is_post = false;
3155   params.page_state = PageState::CreateFromURL(subframe);
3156   LoadCommittedDetails details;
3157   EXPECT_FALSE(controller.RendererDidNavigate(main_test_rfh(), params,
3158                                               &details));
3159
3160   // Nothing should have changed.
3161   EXPECT_EQ(controller.GetEntryCount(), 1);
3162   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
3163 }
3164
3165 // Make sure that on cloning a WebContentsImpl and going back needs_reload is
3166 // false.
3167 TEST_F(NavigationControllerTest, CloneAndGoBack) {
3168   NavigationControllerImpl& controller = controller_impl();
3169   const GURL url1("http://foo1");
3170   const GURL url2("http://foo2");
3171   const base::string16 title(base::ASCIIToUTF16("Title"));
3172
3173   NavigateAndCommit(url1);
3174   controller.GetVisibleEntry()->SetTitle(title);
3175   NavigateAndCommit(url2);
3176
3177   scoped_ptr<WebContents> clone(controller.GetWebContents()->Clone());
3178
3179   ASSERT_EQ(2, clone->GetController().GetEntryCount());
3180   EXPECT_TRUE(clone->GetController().NeedsReload());
3181   clone->GetController().GoBack();
3182   // Navigating back should have triggered needs_reload_ to go false.
3183   EXPECT_FALSE(clone->GetController().NeedsReload());
3184
3185   // Ensure that the pending URL and its title are visible.
3186   EXPECT_EQ(url1, clone->GetController().GetVisibleEntry()->GetURL());
3187   EXPECT_EQ(title, clone->GetTitle());
3188 }
3189
3190 // Make sure that reloading a cloned tab doesn't change its pending entry index.
3191 // See http://crbug.com/234491.
3192 TEST_F(NavigationControllerTest, CloneAndReload) {
3193   NavigationControllerImpl& controller = controller_impl();
3194   const GURL url1("http://foo1");
3195   const GURL url2("http://foo2");
3196   const base::string16 title(base::ASCIIToUTF16("Title"));
3197
3198   NavigateAndCommit(url1);
3199   controller.GetVisibleEntry()->SetTitle(title);
3200   NavigateAndCommit(url2);
3201
3202   scoped_ptr<WebContents> clone(controller.GetWebContents()->Clone());
3203   clone->GetController().LoadIfNecessary();
3204
3205   ASSERT_EQ(2, clone->GetController().GetEntryCount());
3206   EXPECT_EQ(1, clone->GetController().GetPendingEntryIndex());
3207
3208   clone->GetController().Reload(true);
3209   EXPECT_EQ(1, clone->GetController().GetPendingEntryIndex());
3210 }
3211
3212 // Make sure that cloning a WebContentsImpl doesn't copy interstitials.
3213 TEST_F(NavigationControllerTest, CloneOmitsInterstitials) {
3214   NavigationControllerImpl& controller = controller_impl();
3215   const GURL url1("http://foo1");
3216   const GURL url2("http://foo2");
3217
3218   NavigateAndCommit(url1);
3219   NavigateAndCommit(url2);
3220
3221   // Add an interstitial entry.  Should be deleted with controller.
3222   NavigationEntryImpl* interstitial_entry = new NavigationEntryImpl();
3223   interstitial_entry->set_page_type(PAGE_TYPE_INTERSTITIAL);
3224   controller.SetTransientEntry(interstitial_entry);
3225
3226   scoped_ptr<WebContents> clone(controller.GetWebContents()->Clone());
3227
3228   ASSERT_EQ(2, clone->GetController().GetEntryCount());
3229 }
3230
3231 // Test requesting and triggering a lazy reload.
3232 TEST_F(NavigationControllerTest, LazyReload) {
3233   NavigationControllerImpl& controller = controller_impl();
3234   const GURL url("http://foo");
3235   NavigateAndCommit(url);
3236   ASSERT_FALSE(controller.NeedsReload());
3237
3238   // Request a reload to happen when the controller becomes active (e.g. after
3239   // the renderer gets killed in background on Android).
3240   controller.SetNeedsReload();
3241   ASSERT_TRUE(controller.NeedsReload());
3242
3243   // Set the controller as active, triggering the requested reload.
3244   controller.SetActive(true);
3245   ASSERT_FALSE(controller.NeedsReload());
3246 }
3247
3248 // Tests a subframe navigation while a toplevel navigation is pending.
3249 // http://crbug.com/43967
3250 TEST_F(NavigationControllerTest, SubframeWhilePending) {
3251   NavigationControllerImpl& controller = controller_impl();
3252   // Load the first page.
3253   const GURL url1("http://foo/");
3254   NavigateAndCommit(url1);
3255
3256   // Now start a pending load to a totally different page, but don't commit it.
3257   const GURL url2("http://bar/");
3258   controller.LoadURL(
3259       url2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
3260
3261   // Send a subframe update from the first page, as if one had just
3262   // automatically loaded. Auto subframes don't increment the page ID.
3263   const GURL url1_sub("http://foo/subframe");
3264   FrameHostMsg_DidCommitProvisionalLoad_Params params;
3265   params.page_id = controller.GetLastCommittedEntry()->GetPageID();
3266   params.url = url1_sub;
3267   params.transition = PAGE_TRANSITION_AUTO_SUBFRAME;
3268   params.should_update_history = false;
3269   params.gesture = NavigationGestureAuto;
3270   params.is_post = false;
3271   params.page_state = PageState::CreateFromURL(url1_sub);
3272   LoadCommittedDetails details;
3273
3274   // This should return false meaning that nothing was actually updated.
3275   EXPECT_FALSE(controller.RendererDidNavigate(main_test_rfh(), params,
3276                                               &details));
3277
3278   // The notification should have updated the last committed one, and not
3279   // the pending load.
3280   EXPECT_EQ(url1, controller.GetLastCommittedEntry()->GetURL());
3281
3282   // The active entry should be unchanged by the subframe load.
3283   EXPECT_EQ(url2, controller.GetVisibleEntry()->GetURL());
3284 }
3285
3286 // Test CopyStateFrom with 2 urls, the first selected and nothing in the target.
3287 TEST_F(NavigationControllerTest, CopyStateFrom) {
3288   NavigationControllerImpl& controller = controller_impl();
3289   const GURL url1("http://foo1");
3290   const GURL url2("http://foo2");
3291
3292   NavigateAndCommit(url1);
3293   NavigateAndCommit(url2);
3294   controller.GoBack();
3295   contents()->CommitPendingNavigation();
3296
3297   scoped_ptr<TestWebContents> other_contents(
3298       static_cast<TestWebContents*>(CreateTestWebContents()));
3299   NavigationControllerImpl& other_controller = other_contents->GetController();
3300   other_controller.CopyStateFrom(controller);
3301
3302   // other_controller should now contain 2 urls.
3303   ASSERT_EQ(2, other_controller.GetEntryCount());
3304   // We should be looking at the first one.
3305   ASSERT_EQ(0, other_controller.GetCurrentEntryIndex());
3306
3307   EXPECT_EQ(url1, other_controller.GetEntryAtIndex(0)->GetURL());
3308   EXPECT_EQ(0, other_controller.GetEntryAtIndex(0)->GetPageID());
3309   EXPECT_EQ(url2, other_controller.GetEntryAtIndex(1)->GetURL());
3310   // This is a different site than url1, so the IDs start again at 0.
3311   EXPECT_EQ(0, other_controller.GetEntryAtIndex(1)->GetPageID());
3312
3313   // The max page ID map should be copied over and updated with the max page ID
3314   // from the current tab.
3315   SiteInstance* instance1 =
3316       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(0));
3317   EXPECT_EQ(0, other_contents->GetMaxPageIDForSiteInstance(instance1));
3318
3319   // Ensure the SessionStorageNamespaceMaps are the same size and have
3320   // the same partitons loaded.
3321   //
3322   // TODO(ajwong): We should load a url from a different partition earlier
3323   // to make sure this map has more than one entry.
3324   const SessionStorageNamespaceMap& session_storage_namespace_map =
3325       controller.GetSessionStorageNamespaceMap();
3326   const SessionStorageNamespaceMap& other_session_storage_namespace_map =
3327       other_controller.GetSessionStorageNamespaceMap();
3328   EXPECT_EQ(session_storage_namespace_map.size(),
3329             other_session_storage_namespace_map.size());
3330   for (SessionStorageNamespaceMap::const_iterator it =
3331            session_storage_namespace_map.begin();
3332        it != session_storage_namespace_map.end();
3333        ++it) {
3334     SessionStorageNamespaceMap::const_iterator other =
3335         other_session_storage_namespace_map.find(it->first);
3336     EXPECT_TRUE(other != other_session_storage_namespace_map.end());
3337   }
3338 }
3339
3340 // Tests CopyStateFromAndPrune with 2 urls in source, 1 in dest.
3341 TEST_F(NavigationControllerTest, CopyStateFromAndPrune) {
3342   NavigationControllerImpl& controller = controller_impl();
3343   const GURL url1("http://foo/1");
3344   const GURL url2("http://foo/2");
3345   const GURL url3("http://foo/3");
3346
3347   NavigateAndCommit(url1);
3348   NavigateAndCommit(url2);
3349
3350   // First two entries should have the same SiteInstance.
3351   SiteInstance* instance1 =
3352       GetSiteInstanceFromEntry(controller.GetEntryAtIndex(0));
3353   SiteInstance* instance2 =
3354       GetSiteInstanceFromEntry(controller.GetEntryAtIndex(1));
3355   EXPECT_EQ(instance1, instance2);
3356   EXPECT_EQ(0, controller.GetEntryAtIndex(0)->GetPageID());
3357   EXPECT_EQ(1, controller.GetEntryAtIndex(1)->GetPageID());
3358   EXPECT_EQ(1, contents()->GetMaxPageIDForSiteInstance(instance1));
3359
3360   scoped_ptr<TestWebContents> other_contents(
3361       static_cast<TestWebContents*>(CreateTestWebContents()));
3362   NavigationControllerImpl& other_controller = other_contents->GetController();
3363   other_contents->NavigateAndCommit(url3);
3364   other_contents->ExpectSetHistoryLengthAndPrune(
3365       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(0)), 2,
3366       other_controller.GetEntryAtIndex(0)->GetPageID());
3367   other_controller.CopyStateFromAndPrune(&controller, false);
3368
3369   // other_controller should now contain the 3 urls: url1, url2 and url3.
3370
3371   ASSERT_EQ(3, other_controller.GetEntryCount());
3372
3373   ASSERT_EQ(2, other_controller.GetCurrentEntryIndex());
3374
3375   EXPECT_EQ(url1, other_controller.GetEntryAtIndex(0)->GetURL());
3376   EXPECT_EQ(url2, other_controller.GetEntryAtIndex(1)->GetURL());
3377   EXPECT_EQ(url3, other_controller.GetEntryAtIndex(2)->GetURL());
3378   EXPECT_EQ(0, other_controller.GetEntryAtIndex(0)->GetPageID());
3379   EXPECT_EQ(1, other_controller.GetEntryAtIndex(1)->GetPageID());
3380   EXPECT_EQ(0, other_controller.GetEntryAtIndex(2)->GetPageID());
3381
3382   // A new SiteInstance in a different BrowsingInstance should be used for the
3383   // new tab.
3384   SiteInstance* instance3 =
3385       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(2));
3386   EXPECT_NE(instance3, instance1);
3387   EXPECT_FALSE(instance3->IsRelatedSiteInstance(instance1));
3388
3389   // The max page ID map should be copied over and updated with the max page ID
3390   // from the current tab.
3391   EXPECT_EQ(1, other_contents->GetMaxPageIDForSiteInstance(instance1));
3392   EXPECT_EQ(0, other_contents->GetMaxPageIDForSiteInstance(instance3));
3393 }
3394
3395 // Test CopyStateFromAndPrune with 2 urls, the first selected and 1 entry in
3396 // the target.
3397 TEST_F(NavigationControllerTest, CopyStateFromAndPrune2) {
3398   NavigationControllerImpl& controller = controller_impl();
3399   const GURL url1("http://foo1");
3400   const GURL url2("http://foo2");
3401   const GURL url3("http://foo3");
3402
3403   NavigateAndCommit(url1);
3404   NavigateAndCommit(url2);
3405   controller.GoBack();
3406   contents()->CommitPendingNavigation();
3407
3408   scoped_ptr<TestWebContents> other_contents(
3409       static_cast<TestWebContents*>(CreateTestWebContents()));
3410   NavigationControllerImpl& other_controller = other_contents->GetController();
3411   other_contents->NavigateAndCommit(url3);
3412   other_contents->ExpectSetHistoryLengthAndPrune(
3413       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(0)), 1,
3414       other_controller.GetEntryAtIndex(0)->GetPageID());
3415   other_controller.CopyStateFromAndPrune(&controller, false);
3416
3417   // other_controller should now contain: url1, url3
3418
3419   ASSERT_EQ(2, other_controller.GetEntryCount());
3420   ASSERT_EQ(1, other_controller.GetCurrentEntryIndex());
3421
3422   EXPECT_EQ(url1, other_controller.GetEntryAtIndex(0)->GetURL());
3423   EXPECT_EQ(url3, other_controller.GetEntryAtIndex(1)->GetURL());
3424   EXPECT_EQ(0, other_controller.GetEntryAtIndex(1)->GetPageID());
3425
3426   // The max page ID map should be copied over and updated with the max page ID
3427   // from the current tab.
3428   SiteInstance* instance1 =
3429       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(1));
3430   EXPECT_EQ(0, other_contents->GetMaxPageIDForSiteInstance(instance1));
3431 }
3432
3433 // Test CopyStateFromAndPrune with 2 urls, the last selected and 2 entries in
3434 // the target.
3435 TEST_F(NavigationControllerTest, CopyStateFromAndPrune3) {
3436   NavigationControllerImpl& controller = controller_impl();
3437   const GURL url1("http://foo1");
3438   const GURL url2("http://foo2");
3439   const GURL url3("http://foo3");
3440   const GURL url4("http://foo4");
3441
3442   NavigateAndCommit(url1);
3443   NavigateAndCommit(url2);
3444
3445   scoped_ptr<TestWebContents> other_contents(
3446       static_cast<TestWebContents*>(CreateTestWebContents()));
3447   NavigationControllerImpl& other_controller = other_contents->GetController();
3448   other_contents->NavigateAndCommit(url3);
3449   other_contents->NavigateAndCommit(url4);
3450   other_contents->ExpectSetHistoryLengthAndPrune(
3451       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(1)), 2,
3452       other_controller.GetEntryAtIndex(0)->GetPageID());
3453   other_controller.CopyStateFromAndPrune(&controller, false);
3454
3455   // other_controller should now contain: url1, url2, url4
3456
3457   ASSERT_EQ(3, other_controller.GetEntryCount());
3458   ASSERT_EQ(2, other_controller.GetCurrentEntryIndex());
3459
3460   EXPECT_EQ(url1, other_controller.GetEntryAtIndex(0)->GetURL());
3461   EXPECT_EQ(url2, other_controller.GetEntryAtIndex(1)->GetURL());
3462   EXPECT_EQ(url4, other_controller.GetEntryAtIndex(2)->GetURL());
3463
3464   // The max page ID map should be copied over and updated with the max page ID
3465   // from the current tab.
3466   SiteInstance* instance1 =
3467       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(2));
3468   EXPECT_EQ(0, other_contents->GetMaxPageIDForSiteInstance(instance1));
3469 }
3470
3471 // Test CopyStateFromAndPrune with 2 urls, 2 entries in the target, with
3472 // not the last entry selected in the target.
3473 TEST_F(NavigationControllerTest, CopyStateFromAndPruneNotLast) {
3474   NavigationControllerImpl& controller = controller_impl();
3475   const GURL url1("http://foo1");
3476   const GURL url2("http://foo2");
3477   const GURL url3("http://foo3");
3478   const GURL url4("http://foo4");
3479
3480   NavigateAndCommit(url1);
3481   NavigateAndCommit(url2);
3482
3483   scoped_ptr<TestWebContents> other_contents(
3484       static_cast<TestWebContents*>(CreateTestWebContents()));
3485   NavigationControllerImpl& other_controller = other_contents->GetController();
3486   other_contents->NavigateAndCommit(url3);
3487   other_contents->NavigateAndCommit(url4);
3488   other_controller.GoBack();
3489   other_contents->CommitPendingNavigation();
3490   other_contents->ExpectSetHistoryLengthAndPrune(
3491       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(0)), 2,
3492       other_controller.GetEntryAtIndex(0)->GetPageID());
3493   other_controller.CopyStateFromAndPrune(&controller, false);
3494
3495   // other_controller should now contain: url1, url2, url3
3496
3497   ASSERT_EQ(3, other_controller.GetEntryCount());
3498   ASSERT_EQ(2, other_controller.GetCurrentEntryIndex());
3499
3500   EXPECT_EQ(url1, other_controller.GetEntryAtIndex(0)->GetURL());
3501   EXPECT_EQ(url2, other_controller.GetEntryAtIndex(1)->GetURL());
3502   EXPECT_EQ(url3, other_controller.GetEntryAtIndex(2)->GetURL());
3503
3504   // The max page ID map should be copied over and updated with the max page ID
3505   // from the current tab.
3506   SiteInstance* instance1 =
3507       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(2));
3508   EXPECT_EQ(0, other_contents->GetMaxPageIDForSiteInstance(instance1));
3509 }
3510
3511 // Test CopyStateFromAndPrune with 2 urls, the first selected and 1 entry plus
3512 // a pending entry in the target.
3513 TEST_F(NavigationControllerTest, CopyStateFromAndPruneTargetPending) {
3514   NavigationControllerImpl& controller = controller_impl();
3515   const GURL url1("http://foo1");
3516   const GURL url2("http://foo2");
3517   const GURL url3("http://foo3");
3518   const GURL url4("http://foo4");
3519
3520   NavigateAndCommit(url1);
3521   NavigateAndCommit(url2);
3522   controller.GoBack();
3523   contents()->CommitPendingNavigation();
3524
3525   scoped_ptr<TestWebContents> other_contents(
3526       static_cast<TestWebContents*>(CreateTestWebContents()));
3527   NavigationControllerImpl& other_controller = other_contents->GetController();
3528   other_contents->NavigateAndCommit(url3);
3529   other_controller.LoadURL(
3530       url4, Referrer(), PAGE_TRANSITION_TYPED, std::string());
3531   other_contents->ExpectSetHistoryLengthAndPrune(
3532       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(0)), 1,
3533       other_controller.GetEntryAtIndex(0)->GetPageID());
3534   other_controller.CopyStateFromAndPrune(&controller, false);
3535
3536   // other_controller should now contain url1, url3, and a pending entry
3537   // for url4.
3538
3539   ASSERT_EQ(2, other_controller.GetEntryCount());
3540   EXPECT_EQ(1, other_controller.GetCurrentEntryIndex());
3541
3542   EXPECT_EQ(url1, other_controller.GetEntryAtIndex(0)->GetURL());
3543   EXPECT_EQ(url3, other_controller.GetEntryAtIndex(1)->GetURL());
3544
3545   // And there should be a pending entry for url4.
3546   ASSERT_TRUE(other_controller.GetPendingEntry());
3547   EXPECT_EQ(url4, other_controller.GetPendingEntry()->GetURL());
3548
3549   // The max page ID map should be copied over and updated with the max page ID
3550   // from the current tab.
3551   SiteInstance* instance1 =
3552       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(0));
3553   EXPECT_EQ(0, other_contents->GetMaxPageIDForSiteInstance(instance1));
3554 }
3555
3556 // Test CopyStateFromAndPrune with 1 url in the source, 1 entry and a pending
3557 // client redirect entry (with the same page ID) in the target.  This used to
3558 // crash because the last committed entry would be pruned but max_page_id
3559 // remembered the page ID (http://crbug.com/234809).
3560 TEST_F(NavigationControllerTest, CopyStateFromAndPruneTargetPending2) {
3561   NavigationControllerImpl& controller = controller_impl();
3562   const GURL url1("http://foo1");
3563   const GURL url2a("http://foo2/a");
3564   const GURL url2b("http://foo2/b");
3565
3566   NavigateAndCommit(url1);
3567
3568   scoped_ptr<TestWebContents> other_contents(
3569       static_cast<TestWebContents*>(CreateTestWebContents()));
3570   NavigationControllerImpl& other_controller = other_contents->GetController();
3571   other_contents->NavigateAndCommit(url2a);
3572   // Simulate a client redirect, which has the same page ID as entry 2a.
3573   other_controller.LoadURL(
3574       url2b, Referrer(), PAGE_TRANSITION_LINK, std::string());
3575   other_controller.GetPendingEntry()->SetPageID(
3576       other_controller.GetLastCommittedEntry()->GetPageID());
3577
3578   other_contents->ExpectSetHistoryLengthAndPrune(
3579       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(0)), 1,
3580       other_controller.GetEntryAtIndex(0)->GetPageID());
3581   other_controller.CopyStateFromAndPrune(&controller, false);
3582
3583   // other_controller should now contain url1, url2a, and a pending entry
3584   // for url2b.
3585
3586   ASSERT_EQ(2, other_controller.GetEntryCount());
3587   EXPECT_EQ(1, other_controller.GetCurrentEntryIndex());
3588
3589   EXPECT_EQ(url1, other_controller.GetEntryAtIndex(0)->GetURL());
3590   EXPECT_EQ(url2a, other_controller.GetEntryAtIndex(1)->GetURL());
3591
3592   // And there should be a pending entry for url4.
3593   ASSERT_TRUE(other_controller.GetPendingEntry());
3594   EXPECT_EQ(url2b, other_controller.GetPendingEntry()->GetURL());
3595
3596   // Let the pending entry commit.
3597   other_contents->CommitPendingNavigation();
3598
3599   // The max page ID map should be copied over and updated with the max page ID
3600   // from the current tab.
3601   SiteInstance* instance1 =
3602       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(1));
3603   EXPECT_EQ(0, other_contents->GetMaxPageIDForSiteInstance(instance1));
3604 }
3605
3606 // Test CopyStateFromAndPrune with 2 urls, a back navigation pending in the
3607 // source, and 1 entry in the target. The back pending entry should be ignored.
3608 TEST_F(NavigationControllerTest, CopyStateFromAndPruneSourcePending) {
3609   NavigationControllerImpl& controller = controller_impl();
3610   const GURL url1("http://foo1");
3611   const GURL url2("http://foo2");
3612   const GURL url3("http://foo3");
3613
3614   NavigateAndCommit(url1);
3615   NavigateAndCommit(url2);
3616   controller.GoBack();
3617
3618   scoped_ptr<TestWebContents> other_contents(
3619       static_cast<TestWebContents*>(CreateTestWebContents()));
3620   NavigationControllerImpl& other_controller = other_contents->GetController();
3621   other_contents->NavigateAndCommit(url3);
3622   other_contents->ExpectSetHistoryLengthAndPrune(
3623       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(0)), 2,
3624       other_controller.GetEntryAtIndex(0)->GetPageID());
3625   other_controller.CopyStateFromAndPrune(&controller, false);
3626
3627   // other_controller should now contain: url1, url2, url3
3628
3629   ASSERT_EQ(3, other_controller.GetEntryCount());
3630   ASSERT_EQ(2, other_controller.GetCurrentEntryIndex());
3631
3632   EXPECT_EQ(url1, other_controller.GetEntryAtIndex(0)->GetURL());
3633   EXPECT_EQ(url2, other_controller.GetEntryAtIndex(1)->GetURL());
3634   EXPECT_EQ(url3, other_controller.GetEntryAtIndex(2)->GetURL());
3635   EXPECT_EQ(0, other_controller.GetEntryAtIndex(2)->GetPageID());
3636
3637   // The max page ID map should be copied over and updated with the max page ID
3638   // from the current tab.
3639   SiteInstance* instance1 =
3640       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(2));
3641   EXPECT_EQ(0, other_contents->GetMaxPageIDForSiteInstance(instance1));
3642 }
3643
3644 // Tests CopyStateFromAndPrune with 3 urls in source, 1 in dest,
3645 // when the max entry count is 3.  We should prune one entry.
3646 TEST_F(NavigationControllerTest, CopyStateFromAndPruneMaxEntries) {
3647   NavigationControllerImpl& controller = controller_impl();
3648   size_t original_count = NavigationControllerImpl::max_entry_count();
3649   const int kMaxEntryCount = 3;
3650
3651   NavigationControllerImpl::set_max_entry_count_for_testing(kMaxEntryCount);
3652
3653   const GURL url1("http://foo/1");
3654   const GURL url2("http://foo/2");
3655   const GURL url3("http://foo/3");
3656   const GURL url4("http://foo/4");
3657
3658   // Create a PrunedListener to observe prune notifications.
3659   PrunedListener listener(&controller);
3660
3661   NavigateAndCommit(url1);
3662   NavigateAndCommit(url2);
3663   NavigateAndCommit(url3);
3664
3665   scoped_ptr<TestWebContents> other_contents(
3666       static_cast<TestWebContents*>(CreateTestWebContents()));
3667   NavigationControllerImpl& other_controller = other_contents->GetController();
3668   other_contents->NavigateAndCommit(url4);
3669   other_contents->ExpectSetHistoryLengthAndPrune(
3670       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(0)), 2,
3671       other_controller.GetEntryAtIndex(0)->GetPageID());
3672   other_controller.CopyStateFromAndPrune(&controller, false);
3673
3674   // We should have received a pruned notification.
3675   EXPECT_EQ(1, listener.notification_count_);
3676   EXPECT_TRUE(listener.details_.from_front);
3677   EXPECT_EQ(1, listener.details_.count);
3678
3679   // other_controller should now contain only 3 urls: url2, url3 and url4.
3680
3681   ASSERT_EQ(3, other_controller.GetEntryCount());
3682
3683   ASSERT_EQ(2, other_controller.GetCurrentEntryIndex());
3684
3685   EXPECT_EQ(url2, other_controller.GetEntryAtIndex(0)->GetURL());
3686   EXPECT_EQ(url3, other_controller.GetEntryAtIndex(1)->GetURL());
3687   EXPECT_EQ(url4, other_controller.GetEntryAtIndex(2)->GetURL());
3688   EXPECT_EQ(1, other_controller.GetEntryAtIndex(0)->GetPageID());
3689   EXPECT_EQ(2, other_controller.GetEntryAtIndex(1)->GetPageID());
3690   EXPECT_EQ(0, other_controller.GetEntryAtIndex(2)->GetPageID());
3691
3692   NavigationControllerImpl::set_max_entry_count_for_testing(original_count);
3693 }
3694
3695 // Tests CopyStateFromAndPrune with 2 urls in source, 1 in dest, with
3696 // replace_entry set to true.
3697 TEST_F(NavigationControllerTest, CopyStateFromAndPruneReplaceEntry) {
3698   NavigationControllerImpl& controller = controller_impl();
3699   const GURL url1("http://foo/1");
3700   const GURL url2("http://foo/2");
3701   const GURL url3("http://foo/3");
3702
3703   NavigateAndCommit(url1);
3704   NavigateAndCommit(url2);
3705
3706   // First two entries should have the same SiteInstance.
3707   SiteInstance* instance1 =
3708       GetSiteInstanceFromEntry(controller.GetEntryAtIndex(0));
3709   SiteInstance* instance2 =
3710       GetSiteInstanceFromEntry(controller.GetEntryAtIndex(1));
3711   EXPECT_EQ(instance1, instance2);
3712   EXPECT_EQ(0, controller.GetEntryAtIndex(0)->GetPageID());
3713   EXPECT_EQ(1, controller.GetEntryAtIndex(1)->GetPageID());
3714   EXPECT_EQ(1, contents()->GetMaxPageIDForSiteInstance(instance1));
3715
3716   scoped_ptr<TestWebContents> other_contents(
3717       static_cast<TestWebContents*>(CreateTestWebContents()));
3718   NavigationControllerImpl& other_controller = other_contents->GetController();
3719   other_contents->NavigateAndCommit(url3);
3720   other_contents->ExpectSetHistoryLengthAndPrune(
3721       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(0)), 1,
3722       other_controller.GetEntryAtIndex(0)->GetPageID());
3723   other_controller.CopyStateFromAndPrune(&controller, true);
3724
3725   // other_controller should now contain the 2 urls: url1 and url3.
3726
3727   ASSERT_EQ(2, other_controller.GetEntryCount());
3728
3729   ASSERT_EQ(1, other_controller.GetCurrentEntryIndex());
3730
3731   EXPECT_EQ(url1, other_controller.GetEntryAtIndex(0)->GetURL());
3732   EXPECT_EQ(url3, other_controller.GetEntryAtIndex(1)->GetURL());
3733   EXPECT_EQ(0, other_controller.GetEntryAtIndex(0)->GetPageID());
3734   EXPECT_EQ(0, other_controller.GetEntryAtIndex(1)->GetPageID());
3735
3736   // A new SiteInstance in a different BrowsingInstance should be used for the
3737   // new tab.
3738   SiteInstance* instance3 =
3739       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(1));
3740   EXPECT_NE(instance3, instance1);
3741   EXPECT_FALSE(instance3->IsRelatedSiteInstance(instance1));
3742
3743   // The max page ID map should be copied over and updated with the max page ID
3744   // from the current tab.
3745   EXPECT_EQ(1, other_contents->GetMaxPageIDForSiteInstance(instance1));
3746   EXPECT_EQ(0, other_contents->GetMaxPageIDForSiteInstance(instance3));
3747 }
3748
3749 // Tests CopyStateFromAndPrune with 3 urls in source, 1 in dest, when the max
3750 // entry count is 3 and replace_entry is true.  We should not prune entries.
3751 TEST_F(NavigationControllerTest, CopyStateFromAndPruneMaxEntriesReplaceEntry) {
3752   NavigationControllerImpl& controller = controller_impl();
3753   size_t original_count = NavigationControllerImpl::max_entry_count();
3754   const int kMaxEntryCount = 3;
3755
3756   NavigationControllerImpl::set_max_entry_count_for_testing(kMaxEntryCount);
3757
3758   const GURL url1("http://foo/1");
3759   const GURL url2("http://foo/2");
3760   const GURL url3("http://foo/3");
3761   const GURL url4("http://foo/4");
3762
3763   // Create a PrunedListener to observe prune notifications.
3764   PrunedListener listener(&controller);
3765
3766   NavigateAndCommit(url1);
3767   NavigateAndCommit(url2);
3768   NavigateAndCommit(url3);
3769
3770   scoped_ptr<TestWebContents> other_contents(
3771       static_cast<TestWebContents*>(CreateTestWebContents()));
3772   NavigationControllerImpl& other_controller = other_contents->GetController();
3773   other_contents->NavigateAndCommit(url4);
3774   other_contents->ExpectSetHistoryLengthAndPrune(
3775       GetSiteInstanceFromEntry(other_controller.GetEntryAtIndex(0)), 2,
3776       other_controller.GetEntryAtIndex(0)->GetPageID());
3777   other_controller.CopyStateFromAndPrune(&controller, true);
3778
3779   // We should have received no pruned notification.
3780   EXPECT_EQ(0, listener.notification_count_);
3781
3782   // other_controller should now contain only 3 urls: url1, url2 and url4.
3783
3784   ASSERT_EQ(3, other_controller.GetEntryCount());
3785
3786   ASSERT_EQ(2, other_controller.GetCurrentEntryIndex());
3787
3788   EXPECT_EQ(url1, other_controller.GetEntryAtIndex(0)->GetURL());
3789   EXPECT_EQ(url2, other_controller.GetEntryAtIndex(1)->GetURL());
3790   EXPECT_EQ(url4, other_controller.GetEntryAtIndex(2)->GetURL());
3791   EXPECT_EQ(0, other_controller.GetEntryAtIndex(0)->GetPageID());
3792   EXPECT_EQ(1, other_controller.GetEntryAtIndex(1)->GetPageID());
3793   EXPECT_EQ(0, other_controller.GetEntryAtIndex(2)->GetPageID());
3794
3795   NavigationControllerImpl::set_max_entry_count_for_testing(original_count);
3796 }
3797
3798 // Tests that we can navigate to the restored entries
3799 // imported by CopyStateFromAndPrune.
3800 TEST_F(NavigationControllerTest, CopyRestoredStateAndNavigate) {
3801   const GURL kRestoredUrls[] = {
3802     GURL("http://site1.com"),
3803     GURL("http://site2.com"),
3804   };
3805   const GURL kInitialUrl("http://site3.com");
3806
3807   std::vector<NavigationEntry*> entries;
3808   for (size_t i = 0; i < arraysize(kRestoredUrls); ++i) {
3809     NavigationEntry* entry = NavigationControllerImpl::CreateNavigationEntry(
3810         kRestoredUrls[i], Referrer(), PAGE_TRANSITION_RELOAD, false,
3811         std::string(), browser_context());
3812     entry->SetPageID(static_cast<int>(i));
3813     entries.push_back(entry);
3814   }
3815
3816   // Create a WebContents with restored entries.
3817   scoped_ptr<TestWebContents> source_contents(
3818       static_cast<TestWebContents*>(CreateTestWebContents()));
3819   NavigationControllerImpl& source_controller =
3820       source_contents->GetController();
3821   source_controller.Restore(
3822       entries.size() - 1,
3823       NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY,
3824       &entries);
3825   ASSERT_EQ(0u, entries.size());
3826   source_controller.LoadIfNecessary();
3827   source_contents->CommitPendingNavigation();
3828
3829   // Load a page, then copy state from |source_contents|.
3830   NavigateAndCommit(kInitialUrl);
3831   contents()->ExpectSetHistoryLengthAndPrune(
3832       GetSiteInstanceFromEntry(controller_impl().GetEntryAtIndex(0)), 2,
3833       controller_impl().GetEntryAtIndex(0)->GetPageID());
3834   controller_impl().CopyStateFromAndPrune(&source_controller, false);
3835   ASSERT_EQ(3, controller_impl().GetEntryCount());
3836
3837   // Go back to the first entry one at a time and
3838   // verify that it works as expected.
3839   EXPECT_EQ(2, controller_impl().GetCurrentEntryIndex());
3840   EXPECT_EQ(kInitialUrl, controller_impl().GetActiveEntry()->GetURL());
3841
3842   controller_impl().GoBack();
3843   contents()->CommitPendingNavigation();
3844   EXPECT_EQ(1, controller_impl().GetCurrentEntryIndex());
3845   EXPECT_EQ(kRestoredUrls[1], controller_impl().GetActiveEntry()->GetURL());
3846
3847   controller_impl().GoBack();
3848   contents()->CommitPendingNavigation();
3849   EXPECT_EQ(0, controller_impl().GetCurrentEntryIndex());
3850   EXPECT_EQ(kRestoredUrls[0], controller_impl().GetActiveEntry()->GetURL());
3851 }
3852
3853 // Tests that navigations initiated from the page (with the history object)
3854 // work as expected, creating pending entries.
3855 TEST_F(NavigationControllerTest, HistoryNavigate) {
3856   NavigationControllerImpl& controller = controller_impl();
3857   const GURL url1("http://foo/1");
3858   const GURL url2("http://foo/2");
3859   const GURL url3("http://foo/3");
3860
3861   NavigateAndCommit(url1);
3862   NavigateAndCommit(url2);
3863   NavigateAndCommit(url3);
3864   controller.GoBack();
3865   contents()->CommitPendingNavigation();
3866
3867   // Simulate the page calling history.back(). It should create a pending entry.
3868   contents()->OnGoToEntryAtOffset(-1);
3869   EXPECT_EQ(0, controller.GetPendingEntryIndex());
3870   // The actual cross-navigation is suspended until the current RVH tells us
3871   // it unloaded, simulate that.
3872   contents()->ProceedWithCrossSiteNavigation();
3873   // Also make sure we told the page to navigate.
3874   const IPC::Message* message =
3875       process()->sink().GetFirstMessageMatching(FrameMsg_Navigate::ID);
3876   ASSERT_TRUE(message != NULL);
3877   Tuple1<FrameMsg_Navigate_Params> nav_params;
3878   FrameMsg_Navigate::Read(message, &nav_params);
3879   EXPECT_EQ(url1, nav_params.a.url);
3880   process()->sink().ClearMessages();
3881
3882   // Now test history.forward()
3883   contents()->OnGoToEntryAtOffset(2);
3884   EXPECT_EQ(2, controller.GetPendingEntryIndex());
3885   // The actual cross-navigation is suspended until the current RVH tells us
3886   // it unloaded, simulate that.
3887   contents()->ProceedWithCrossSiteNavigation();
3888   message = process()->sink().GetFirstMessageMatching(FrameMsg_Navigate::ID);
3889   ASSERT_TRUE(message != NULL);
3890   FrameMsg_Navigate::Read(message, &nav_params);
3891   EXPECT_EQ(url3, nav_params.a.url);
3892   process()->sink().ClearMessages();
3893
3894   controller.DiscardNonCommittedEntries();
3895
3896   // Make sure an extravagant history.go() doesn't break.
3897   contents()->OnGoToEntryAtOffset(120);  // Out of bounds.
3898   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
3899   message = process()->sink().GetFirstMessageMatching(FrameMsg_Navigate::ID);
3900   EXPECT_TRUE(message == NULL);
3901 }
3902
3903 // Test call to PruneAllButLastCommitted for the only entry.
3904 TEST_F(NavigationControllerTest, PruneAllButLastCommittedForSingle) {
3905   NavigationControllerImpl& controller = controller_impl();
3906   const GURL url1("http://foo1");
3907   NavigateAndCommit(url1);
3908
3909   contents()->ExpectSetHistoryLengthAndPrune(
3910       GetSiteInstanceFromEntry(controller.GetEntryAtIndex(0)), 0,
3911       controller.GetEntryAtIndex(0)->GetPageID());
3912
3913   controller.PruneAllButLastCommitted();
3914
3915   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
3916   EXPECT_EQ(controller.GetEntryAtIndex(0)->GetURL(), url1);
3917 }
3918
3919 // Test call to PruneAllButLastCommitted for first entry.
3920 TEST_F(NavigationControllerTest, PruneAllButLastCommittedForFirst) {
3921   NavigationControllerImpl& controller = controller_impl();
3922   const GURL url1("http://foo/1");
3923   const GURL url2("http://foo/2");
3924   const GURL url3("http://foo/3");
3925
3926   NavigateAndCommit(url1);
3927   NavigateAndCommit(url2);
3928   NavigateAndCommit(url3);
3929   controller.GoBack();
3930   controller.GoBack();
3931   contents()->CommitPendingNavigation();
3932
3933   contents()->ExpectSetHistoryLengthAndPrune(
3934       GetSiteInstanceFromEntry(controller.GetEntryAtIndex(0)), 0,
3935       controller.GetEntryAtIndex(0)->GetPageID());
3936
3937   controller.PruneAllButLastCommitted();
3938
3939   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
3940   EXPECT_EQ(controller.GetEntryAtIndex(0)->GetURL(), url1);
3941 }
3942
3943 // Test call to PruneAllButLastCommitted for intermediate entry.
3944 TEST_F(NavigationControllerTest, PruneAllButLastCommittedForIntermediate) {
3945   NavigationControllerImpl& controller = controller_impl();
3946   const GURL url1("http://foo/1");
3947   const GURL url2("http://foo/2");
3948   const GURL url3("http://foo/3");
3949
3950   NavigateAndCommit(url1);
3951   NavigateAndCommit(url2);
3952   NavigateAndCommit(url3);
3953   controller.GoBack();
3954   contents()->CommitPendingNavigation();
3955
3956   contents()->ExpectSetHistoryLengthAndPrune(
3957       GetSiteInstanceFromEntry(controller.GetEntryAtIndex(1)), 0,
3958       controller.GetEntryAtIndex(1)->GetPageID());
3959
3960   controller.PruneAllButLastCommitted();
3961
3962   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
3963   EXPECT_EQ(controller.GetEntryAtIndex(0)->GetURL(), url2);
3964 }
3965
3966 // Test call to PruneAllButLastCommitted for a pending entry that is not yet in
3967 // the list of entries.
3968 TEST_F(NavigationControllerTest, PruneAllButLastCommittedForPendingNotInList) {
3969   NavigationControllerImpl& controller = controller_impl();
3970   const GURL url1("http://foo/1");
3971   const GURL url2("http://foo/2");
3972   const GURL url3("http://foo/3");
3973
3974   NavigateAndCommit(url1);
3975   NavigateAndCommit(url2);
3976
3977   // Create a pending entry that is not in the entry list.
3978   controller.LoadURL(
3979       url3, Referrer(), PAGE_TRANSITION_TYPED, std::string());
3980   EXPECT_TRUE(controller.GetPendingEntry());
3981   EXPECT_EQ(2, controller.GetEntryCount());
3982
3983   contents()->ExpectSetHistoryLengthAndPrune(
3984       NULL, 0, controller.GetPendingEntry()->GetPageID());
3985   controller.PruneAllButLastCommitted();
3986
3987   // We should only have the last committed and pending entries at this point,
3988   // and the pending entry should still not be in the entry list.
3989   EXPECT_EQ(0, controller.GetLastCommittedEntryIndex());
3990   EXPECT_EQ(url2, controller.GetEntryAtIndex(0)->GetURL());
3991   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
3992   EXPECT_TRUE(controller.GetPendingEntry());
3993   EXPECT_EQ(1, controller.GetEntryCount());
3994
3995   // Try to commit the pending entry.
3996   main_test_rfh()->SendNavigate(2, url3);
3997   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
3998   EXPECT_FALSE(controller.GetPendingEntry());
3999   EXPECT_EQ(2, controller.GetEntryCount());
4000   EXPECT_EQ(url3, controller.GetEntryAtIndex(1)->GetURL());
4001 }
4002
4003 // Test to ensure that when we do a history navigation back to the current
4004 // committed page (e.g., going forward to a slow-loading page, then pressing
4005 // the back button), we just stop the navigation to prevent the throbber from
4006 // running continuously. Otherwise, the RenderViewHost forces the throbber to
4007 // start, but WebKit essentially ignores the navigation and never sends a
4008 // message to stop the throbber.
4009 TEST_F(NavigationControllerTest, StopOnHistoryNavigationToCurrentPage) {
4010   NavigationControllerImpl& controller = controller_impl();
4011   const GURL url0("http://foo/0");
4012   const GURL url1("http://foo/1");
4013
4014   NavigateAndCommit(url0);
4015   NavigateAndCommit(url1);
4016
4017   // Go back to the original page, then forward to the slow page, then back
4018   controller.GoBack();
4019   contents()->CommitPendingNavigation();
4020
4021   controller.GoForward();
4022   EXPECT_EQ(1, controller.GetPendingEntryIndex());
4023
4024   controller.GoBack();
4025   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
4026 }
4027
4028 TEST_F(NavigationControllerTest, IsInitialNavigation) {
4029   NavigationControllerImpl& controller = controller_impl();
4030   TestNotificationTracker notifications;
4031   RegisterForAllNavNotifications(&notifications, &controller);
4032
4033   // Initial state.
4034   EXPECT_TRUE(controller.IsInitialNavigation());
4035
4036   // After commit, it stays false.
4037   const GURL url1("http://foo1");
4038   main_test_rfh()->SendNavigate(0, url1);
4039   EXPECT_EQ(1U, navigation_entry_committed_counter_);
4040   navigation_entry_committed_counter_ = 0;
4041   EXPECT_FALSE(controller.IsInitialNavigation());
4042
4043   // After starting a new navigation, it stays false.
4044   const GURL url2("http://foo2");
4045   controller.LoadURL(
4046       url2, Referrer(), PAGE_TRANSITION_TYPED, std::string());
4047 }
4048
4049 // Check that the favicon is not reused across a client redirect.
4050 // (crbug.com/28515)
4051 TEST_F(NavigationControllerTest, ClearFaviconOnRedirect) {
4052   const GURL kPageWithFavicon("http://withfavicon.html");
4053   const GURL kPageWithoutFavicon("http://withoutfavicon.html");
4054   const GURL kIconURL("http://withfavicon.ico");
4055   const gfx::Image kDefaultFavicon = FaviconStatus().image;
4056
4057   NavigationControllerImpl& controller = controller_impl();
4058   TestNotificationTracker notifications;
4059   RegisterForAllNavNotifications(&notifications, &controller);
4060
4061   main_test_rfh()->SendNavigate(0, kPageWithFavicon);
4062   EXPECT_EQ(1U, navigation_entry_committed_counter_);
4063   navigation_entry_committed_counter_ = 0;
4064
4065   NavigationEntry* entry = controller.GetLastCommittedEntry();
4066   EXPECT_TRUE(entry);
4067   EXPECT_EQ(kPageWithFavicon, entry->GetURL());
4068
4069   // Simulate Chromium having set the favicon for |kPageWithFavicon|.
4070   content::FaviconStatus& favicon_status = entry->GetFavicon();
4071   favicon_status.image = CreateImage(SK_ColorWHITE);
4072   favicon_status.url = kIconURL;
4073   favicon_status.valid = true;
4074   EXPECT_FALSE(DoImagesMatch(kDefaultFavicon, entry->GetFavicon().image));
4075
4076   main_test_rfh()->SendNavigateWithTransition(
4077       0,  // same page ID.
4078       kPageWithoutFavicon,
4079       PAGE_TRANSITION_CLIENT_REDIRECT);
4080   EXPECT_EQ(1U, navigation_entry_committed_counter_);
4081   navigation_entry_committed_counter_ = 0;
4082
4083   entry = controller.GetLastCommittedEntry();
4084   EXPECT_TRUE(entry);
4085   EXPECT_EQ(kPageWithoutFavicon, entry->GetURL());
4086
4087   EXPECT_TRUE(DoImagesMatch(kDefaultFavicon, entry->GetFavicon().image));
4088 }
4089
4090 // Check that the favicon is not cleared for NavigationEntries which were
4091 // previously navigated to.
4092 TEST_F(NavigationControllerTest, BackNavigationDoesNotClearFavicon) {
4093   const GURL kUrl1("http://www.a.com/1");
4094   const GURL kUrl2("http://www.a.com/2");
4095   const GURL kIconURL("http://www.a.com/1/favicon.ico");
4096
4097   NavigationControllerImpl& controller = controller_impl();
4098   TestNotificationTracker notifications;
4099   RegisterForAllNavNotifications(&notifications, &controller);
4100
4101   main_test_rfh()->SendNavigate(0, kUrl1);
4102   EXPECT_EQ(1U, navigation_entry_committed_counter_);
4103   navigation_entry_committed_counter_ = 0;
4104
4105   // Simulate Chromium having set the favicon for |kUrl1|.
4106   gfx::Image favicon_image = CreateImage(SK_ColorWHITE);
4107   content::NavigationEntry* entry = controller.GetLastCommittedEntry();
4108   EXPECT_TRUE(entry);
4109   content::FaviconStatus& favicon_status = entry->GetFavicon();
4110   favicon_status.image = favicon_image;
4111   favicon_status.url = kIconURL;
4112   favicon_status.valid = true;
4113
4114   // Navigate to another page and go back to the original page.
4115   main_test_rfh()->SendNavigate(1, kUrl2);
4116   EXPECT_EQ(1U, navigation_entry_committed_counter_);
4117   navigation_entry_committed_counter_ = 0;
4118   main_test_rfh()->SendNavigateWithTransition(
4119       0,
4120       kUrl1,
4121       PAGE_TRANSITION_FORWARD_BACK);
4122   EXPECT_EQ(1U, navigation_entry_committed_counter_);
4123   navigation_entry_committed_counter_ = 0;
4124
4125   // Verify that the favicon for the page at |kUrl1| was not cleared.
4126   entry = controller.GetEntryAtIndex(0);
4127   EXPECT_TRUE(entry);
4128   EXPECT_EQ(kUrl1, entry->GetURL());
4129   EXPECT_TRUE(DoImagesMatch(favicon_image, entry->GetFavicon().image));
4130 }
4131
4132 // The test crashes on android: http://crbug.com/170449
4133 #if defined(OS_ANDROID)
4134 #define MAYBE_PurgeScreenshot DISABLED_PurgeScreenshot
4135 #else
4136 #define MAYBE_PurgeScreenshot PurgeScreenshot
4137 #endif
4138 // Tests that screenshot are purged correctly.
4139 TEST_F(NavigationControllerTest, MAYBE_PurgeScreenshot) {
4140   NavigationControllerImpl& controller = controller_impl();
4141
4142   NavigationEntryImpl* entry;
4143
4144   // Navigate enough times to make sure that some screenshots are purged.
4145   for (int i = 0; i < 12; ++i) {
4146     const GURL url(base::StringPrintf("http://foo%d/", i));
4147     NavigateAndCommit(url);
4148     EXPECT_EQ(i, controller.GetCurrentEntryIndex());
4149   }
4150
4151   MockScreenshotManager* screenshot_manager =
4152       new MockScreenshotManager(&controller);
4153   controller.SetScreenshotManager(screenshot_manager);
4154   for (int i = 0; i < controller.GetEntryCount(); ++i) {
4155     entry = NavigationEntryImpl::FromNavigationEntry(
4156         controller.GetEntryAtIndex(i));
4157     screenshot_manager->TakeScreenshotFor(entry);
4158     EXPECT_TRUE(entry->screenshot().get());
4159   }
4160
4161   NavigateAndCommit(GURL("https://foo/"));
4162   EXPECT_EQ(13, controller.GetEntryCount());
4163   entry = NavigationEntryImpl::FromNavigationEntry(
4164       controller.GetEntryAtIndex(11));
4165   screenshot_manager->TakeScreenshotFor(entry);
4166
4167   for (int i = 0; i < 2; ++i) {
4168     entry = NavigationEntryImpl::FromNavigationEntry(
4169         controller.GetEntryAtIndex(i));
4170     EXPECT_FALSE(entry->screenshot().get()) << "Screenshot " << i
4171                                             << " not purged";
4172   }
4173
4174   for (int i = 2; i < controller.GetEntryCount() - 1; ++i) {
4175     entry = NavigationEntryImpl::FromNavigationEntry(
4176         controller.GetEntryAtIndex(i));
4177     EXPECT_TRUE(entry->screenshot().get()) << "Screenshot not found for " << i;
4178   }
4179
4180   // Navigate to index 5 and then try to assign screenshot to all entries.
4181   controller.GoToIndex(5);
4182   contents()->CommitPendingNavigation();
4183   EXPECT_EQ(5, controller.GetCurrentEntryIndex());
4184   for (int i = 0; i < controller.GetEntryCount() - 1; ++i) {
4185     entry = NavigationEntryImpl::FromNavigationEntry(
4186         controller.GetEntryAtIndex(i));
4187     screenshot_manager->TakeScreenshotFor(entry);
4188   }
4189
4190   for (int i = 10; i <= 12; ++i) {
4191     entry = NavigationEntryImpl::FromNavigationEntry(
4192         controller.GetEntryAtIndex(i));
4193     EXPECT_FALSE(entry->screenshot().get()) << "Screenshot " << i
4194                                             << " not purged";
4195     screenshot_manager->TakeScreenshotFor(entry);
4196   }
4197
4198   // Navigate to index 7 and assign screenshot to all entries.
4199   controller.GoToIndex(7);
4200   contents()->CommitPendingNavigation();
4201   EXPECT_EQ(7, controller.GetCurrentEntryIndex());
4202   for (int i = 0; i < controller.GetEntryCount() - 1; ++i) {
4203     entry = NavigationEntryImpl::FromNavigationEntry(
4204         controller.GetEntryAtIndex(i));
4205     screenshot_manager->TakeScreenshotFor(entry);
4206   }
4207
4208   for (int i = 0; i < 2; ++i) {
4209     entry = NavigationEntryImpl::FromNavigationEntry(
4210         controller.GetEntryAtIndex(i));
4211     EXPECT_FALSE(entry->screenshot().get()) << "Screenshot " << i
4212                                             << " not purged";
4213   }
4214
4215   // Clear all screenshots.
4216   EXPECT_EQ(13, controller.GetEntryCount());
4217   EXPECT_EQ(10, screenshot_manager->GetScreenshotCount());
4218   controller.ClearAllScreenshots();
4219   EXPECT_EQ(0, screenshot_manager->GetScreenshotCount());
4220   for (int i = 0; i < controller.GetEntryCount(); ++i) {
4221     entry = NavigationEntryImpl::FromNavigationEntry(
4222         controller.GetEntryAtIndex(i));
4223     EXPECT_FALSE(entry->screenshot().get()) << "Screenshot " << i
4224                                             << " not cleared";
4225   }
4226 }
4227
4228 TEST_F(NavigationControllerTest, PushStateUpdatesTitleAndFavicon) {
4229   // Navigate.
4230   test_rvh()->SendNavigate(1, GURL("http://foo"));
4231
4232   // Set title and favicon.
4233   base::string16 title(base::ASCIIToUTF16("Title"));
4234   FaviconStatus favicon;
4235   favicon.valid = true;
4236   favicon.url = GURL("http://foo/favicon.ico");
4237   controller().GetLastCommittedEntry()->SetTitle(title);
4238   controller().GetLastCommittedEntry()->GetFavicon() = favicon;
4239
4240   // history.pushState() is called.
4241   FrameHostMsg_DidCommitProvisionalLoad_Params params;
4242   GURL url("http://foo#foo");
4243   params.page_id = 2;
4244   params.url = url;
4245   params.page_state = PageState::CreateFromURL(url);
4246   params.was_within_same_page = true;
4247   test_rvh()->SendNavigateWithParams(&params);
4248
4249   // The title should immediately be visible on the new NavigationEntry.
4250   base::string16 new_title =
4251       controller().GetLastCommittedEntry()->GetTitleForDisplay(std::string());
4252   EXPECT_EQ(title, new_title);
4253   FaviconStatus new_favicon =
4254       controller().GetLastCommittedEntry()->GetFavicon();
4255   EXPECT_EQ(favicon.valid, new_favicon.valid);
4256   EXPECT_EQ(favicon.url, new_favicon.url);
4257 }
4258
4259 // Test that the navigation controller clears its session history when a
4260 // navigation commits with the clear history list flag set.
4261 TEST_F(NavigationControllerTest, ClearHistoryList) {
4262   const GURL url1("http://foo1");
4263   const GURL url2("http://foo2");
4264   const GURL url3("http://foo3");
4265   const GURL url4("http://foo4");
4266
4267   NavigationControllerImpl& controller = controller_impl();
4268
4269   // Create a session history with three entries, second entry is active.
4270   NavigateAndCommit(url1);
4271   NavigateAndCommit(url2);
4272   NavigateAndCommit(url3);
4273   controller.GoBack();
4274   contents()->CommitPendingNavigation();
4275   EXPECT_EQ(3, controller.GetEntryCount());
4276   EXPECT_EQ(1, controller.GetCurrentEntryIndex());
4277
4278   // Create a new pending navigation, and indicate that the session history
4279   // should be cleared.
4280   NavigationController::LoadURLParams params(url4);
4281   params.should_clear_history_list = true;
4282   controller.LoadURLWithParams(params);
4283
4284   // Verify that the pending entry correctly indicates that the session history
4285   // should be cleared.
4286   NavigationEntryImpl* entry =
4287       NavigationEntryImpl::FromNavigationEntry(
4288           controller.GetPendingEntry());
4289   ASSERT_TRUE(entry);
4290   EXPECT_TRUE(entry->should_clear_history_list());
4291
4292   // Assume that the RV correctly cleared its history and commit the navigation.
4293   contents()->GetPendingMainFrame()->GetRenderViewHost()->
4294       set_simulate_history_list_was_cleared(true);
4295   contents()->CommitPendingNavigation();
4296
4297   // Verify that the NavigationController's session history was correctly
4298   // cleared.
4299   EXPECT_EQ(1, controller.GetEntryCount());
4300   EXPECT_EQ(0, controller.GetCurrentEntryIndex());
4301   EXPECT_EQ(0, controller.GetLastCommittedEntryIndex());
4302   EXPECT_EQ(-1, controller.GetPendingEntryIndex());
4303   EXPECT_FALSE(controller.CanGoBack());
4304   EXPECT_FALSE(controller.CanGoForward());
4305   EXPECT_EQ(url4, controller.GetVisibleEntry()->GetURL());
4306 }
4307
4308 TEST_F(NavigationControllerTest, PostThenReplaceStateThenReload) {
4309   scoped_ptr<TestWebContentsDelegate> delegate(new TestWebContentsDelegate());
4310   EXPECT_FALSE(contents()->GetDelegate());
4311   contents()->SetDelegate(delegate.get());
4312
4313   // Submit a form.
4314   GURL url("http://foo");
4315   FrameHostMsg_DidCommitProvisionalLoad_Params params;
4316   params.page_id = 1;
4317   params.url = url;
4318   params.transition = PAGE_TRANSITION_FORM_SUBMIT;
4319   params.gesture = NavigationGestureUser;
4320   params.page_state = PageState::CreateFromURL(url);
4321   params.was_within_same_page = false;
4322   params.is_post = true;
4323   params.post_id = 2;
4324   test_rvh()->SendNavigateWithParams(&params);
4325
4326   // history.replaceState() is called.
4327   GURL replace_url("http://foo#foo");
4328   params.page_id = 1;
4329   params.url = replace_url;
4330   params.transition = PAGE_TRANSITION_LINK;
4331   params.gesture = NavigationGestureUser;
4332   params.page_state = PageState::CreateFromURL(replace_url);
4333   params.was_within_same_page = true;
4334   params.is_post = false;
4335   params.post_id = -1;
4336   test_rvh()->SendNavigateWithParams(&params);
4337
4338   // Now reload. replaceState overrides the POST, so we should not show a
4339   // repost warning dialog.
4340   controller_impl().Reload(true);
4341   EXPECT_EQ(0, delegate->repost_form_warning_count());
4342 }
4343
4344 }  // namespace content