Add PrerenderUnload browser test

chrome/browser/prerender/prerender_browsertest.cc

 // Copyright (c) 2011 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 <deque>
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
+#include "base/utf_string_conversions.h"
 #include "base/test/test_timeouts.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prerender/prerender_contents.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/browser/task_manager/task_manager.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 290 matching lines @@
  private:
   FakeSafeBrowsingService* most_recent_service_;
 };
 
 class PrerenderBrowserTest : public InProcessBrowserTest {
  public:
   PrerenderBrowserTest()
       : safe_browsing_factory_(new TestSafeBrowsingServiceFactory()),
         prerender_contents_factory_(NULL),
         use_https_src_server_(false),
-        call_javascript_(true) {
+        call_javascript_(true),
+        loader_path_("files/prerender/prerender_loader.html") {
     EnableDOMAutomation();
   }
 
   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
     SafeBrowsingService::RegisterFactory(safe_browsing_factory_.get());
   }
 
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     command_line->AppendSwitchASCII(switches::kPrerender,
                                     switches::kPrerenderSwitchValueEnabled);
@@ skipping 130 matching lines @@
 
   FakeSafeBrowsingService* GetSafeBrowsingService() {
     return safe_browsing_factory_->most_recent_service();
   }
 
   TestPrerenderContents* GetPrerenderContents() const {
     return static_cast<TestPrerenderContents*>(
         prerender_manager()->FindEntry(dest_url_));
   }
 
+  void set_loader_path(const std::string& path) {
+    loader_path_ = path;
+  }
+
  private:
   void PrerenderTestURLImpl(
       const GURL& url,
       const std::deque<FinalStatus>& expected_final_status_queue,
       int total_navigations) {
     dest_url_ = url;
 
     std::vector<net::TestServer::StringPair> replacement_text;
     replacement_text.push_back(
         make_pair("REPLACE_WITH_PRERENDER_URL", dest_url_.spec()));
     std::string replacement_path;
     ASSERT_TRUE(net::TestServer::GetFilePathWithReplacements(
-        "files/prerender/prerender_loader.html",
+        loader_path_,
         replacement_text,
         &replacement_path));
 
     net::TestServer* src_server = test_server();
     scoped_ptr<net::TestServer> https_src_server;
     if (use_https_src_server_) {
       https_src_server.reset(
           new net::TestServer(net::TestServer::TYPE_HTTPS,
                               FilePath(FILE_PATH_LITERAL("chrome/test/data"))));
       ASSERT_TRUE(https_src_server->Start());
@@ skipping 70 matching lines @@
           &display_test_result));
       EXPECT_TRUE(display_test_result);
     }
   }
 
   scoped_ptr<TestSafeBrowsingServiceFactory> safe_browsing_factory_;
   WaitForLoadPrerenderContentsFactory* prerender_contents_factory_;
   GURL dest_url_;
   bool use_https_src_server_;
   bool call_javascript_;
+  std::string loader_path_;
 };
 
 // Checks that a page is correctly prerendered in the case of a
 // <link rel=prerender> tag and then loaded into a tab in response to a
 // navigation.
 IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderPage) {
   PrerenderTestURL("files/prerender/prerender_page.html", FINAL_STATUS_USED, 1);
   NavigateToDestURL();
 }
 
@@ skipping 769 matching lines @@
   MessageLoopForUI::current()->PostDelayedTask(
       FROM_HERE,
       new MessageLoop::QuitTask(),
       TestTimeouts::action_timeout_ms());
   NavigateToDestURL();
   ASSERT_TRUE(TabContentsWrapper::GetCurrentWrapperForContents(
       browser()->GetSelectedTabContents())->favicon_tab_helper()
               ->FaviconIsValid());
 }
 
+// Checks that when a prerendered page is swapped in to a referring page, the
+// unload handlers on the referring page are executed.
+IN_PROC_BROWSER_TEST_F(PrerenderBrowserTest, PrerenderUnload) {
+  set_loader_path("files/prerender/prerender_loader_with_unload.html");
+  PrerenderTestURL("files/prerender/prerender_page.html", FINAL_STATUS_USED, 1);
+  ui_test_utils::TitleWatcher title_watcher(browser()->GetSelectedTabContents(),
+                                            ASCIIToUTF16("Unloaded"));
+  NavigateToDestURL();
+  EXPECT_TRUE(title_watcher.Wait());
+}
+
 }  // namespace prerender