[RDS] Reloads a page using the original request URL

content/browser/web_contents/navigation_controller_impl_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/path_service.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 //  These are only used for commented out tests.  If someone wants to enable
 //  them, they should be moved to chrome first.
 //  #include "chrome/browser/history/history.h"
 //  #include "chrome/browser/profiles/profile_manager.h"
 //  #include "chrome/browser/sessions/session_service.h"
 //  #include "chrome/browser/sessions/session_service_factory.h"
 //  #include "chrome/browser/sessions/session_service_test_helper.h"
 //  #include "chrome/browser/sessions/session_types.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/navigation_controller_impl.h"
 #include "content/browser/web_contents/navigation_entry_impl.h"
 #include "content/browser/web_contents/test_web_contents.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_types.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/render_view_host_observer.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/test/mock_render_process_host.h"
 #include "content/public/test/test_notification_tracker.h"
 #include "net/base/net_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/glue/webkit_glue.h"
 
 using base::Time;
 using content::NavigationController;
 using content::NavigationEntry;
@@ skipping 618 matching lines @@
   // Now the reload is committed.
   EXPECT_EQ(controller.GetEntryCount(), 2);
   EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 1);
   EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
   EXPECT_TRUE(controller.GetLastCommittedEntry());
   EXPECT_FALSE(controller.GetPendingEntry());
   EXPECT_TRUE(controller.CanGoBack());
   EXPECT_FALSE(controller.CanGoForward());
 }
 
+class TestNavigationObserver : public content::RenderViewHostObserver {
+ public:
+  TestNavigationObserver(content::RenderViewHost* render_view_host)
+      : RenderViewHostObserver(render_view_host) {
+  }
+
+  const GURL& navigated_url() const {
+    return navigated_url_;
+  }
+
+ protected:
+  virtual void Navigate(const GURL& url) OVERRIDE {
+    navigated_url_ = url;
+  }
+
+ private:
+  GURL navigated_url_;
+};
+
+TEST_F(NavigationControllerTest, ReloadOriginalRequestURL) {
+  NavigationControllerImpl& controller = controller_impl();
+  TestNotificationTracker notifications;
+  RegisterForAllNavNotifications(&notifications, &controller);
+  TestNavigationObserver observer(test_rvh());
+
+  const GURL original_url("http://foo1");
+  const GURL final_url("http://foo2");
+
+  // Load up the original URL, but get redirected.
+  controller.LoadURL(original_url, content::Referrer(),
+      content::PAGE_TRANSITION_TYPED, std::string());
+  EXPECT_EQ(0U, notifications.size());
+  test_rvh()->SendNavigateWithOriginalRequestURL(0, final_url, original_url);
+  EXPECT_TRUE(notifications.Check1AndReset(
+      content::NOTIFICATION_NAV_ENTRY_COMMITTED));
+
+  // The NavigationEntry should save both the original URL and the final
+  // redirected URL.
+  EXPECT_EQ(original_url, controller.GetActiveEntry()->GetOriginalRequestURL());
+  EXPECT_EQ(final_url, controller.GetActiveEntry()->GetURL());
+
+  // Reload using the original URL.
+  controller.GetActiveEntry()->SetTitle(ASCIIToUTF16("Title"));
+  controller.ReloadOriginalRequestURL(false);
+  EXPECT_EQ(0U, notifications.size());
+
+  // The reload is pending.  The request should point to the original URL.
+  EXPECT_EQ(original_url, observer.navigated_url());
+  EXPECT_EQ(controller.GetEntryCount(), 1);
+  EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
+  EXPECT_EQ(controller.GetPendingEntryIndex(), 0);
+  EXPECT_TRUE(controller.GetLastCommittedEntry());
+  EXPECT_TRUE(controller.GetPendingEntry());
+  EXPECT_FALSE(controller.CanGoBack());
+  EXPECT_FALSE(controller.CanGoForward());
+
+  // Make sure the title has been cleared (will be redrawn just after reload).
+  // Avoids a stale cached title when the new page being reloaded has no title.
+  // See http://crbug.com/96041.
+  EXPECT_TRUE(controller.GetActiveEntry()->GetTitle().empty());
+
+  // Send that the navigation has proceeded; say it got redirected again.
+  test_rvh()->SendNavigate(0, final_url);
+  EXPECT_TRUE(notifications.Check1AndReset(
+      content::NOTIFICATION_NAV_ENTRY_COMMITTED));
+
+  // Now the reload is committed.
+  EXPECT_EQ(controller.GetEntryCount(), 1);
+  EXPECT_EQ(controller.GetLastCommittedEntryIndex(), 0);
+  EXPECT_EQ(controller.GetPendingEntryIndex(), -1);
+  EXPECT_TRUE(controller.GetLastCommittedEntry());
+  EXPECT_FALSE(controller.GetPendingEntry());
+  EXPECT_FALSE(controller.CanGoBack());
+  EXPECT_FALSE(controller.CanGoForward());
+}
+
 // Tests what happens when we navigate back successfully
 TEST_F(NavigationControllerTest, Back) {
   NavigationControllerImpl& controller = controller_impl();
   TestNotificationTracker notifications;
   RegisterForAllNavNotifications(&notifications, &controller);
 
   const GURL url1("http://foo1");
   test_rvh()->SendNavigate(0, url1);
   EXPECT_TRUE(notifications.Check1AndReset(
       content::NOTIFICATION_NAV_ENTRY_COMMITTED));
@@ skipping 1978 matching lines @@
   TabNavigation nav(0, url0, GURL(), string16(),
                     webkit_glue::CreateHistoryStateForURL(url0),
                     content::PAGE_TRANSITION_LINK);
   session_helper_.AssertNavigationEquals(nav,
                                          windows_[0]->tabs[0]->navigations[0]);
   nav.set_url(url2);
   session_helper_.AssertNavigationEquals(nav,
                                          windows_[0]->tabs[0]->navigations[1]);
 }
 */