Send session history offset and length parameters in the Navigate message to...

chrome/browser/session_history_uitest.cc

 // Copyright (c) 2006-2008 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 "app/l10n_util.h"
 #include "base/file_path.h"
 #include "base/platform_thread.h"
 #include "base/string_util.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/automation/tab_proxy.h"
 #include "chrome/test/automation/browser_proxy.h"
 #include "chrome/test/ui/ui_test.h"
 #include "grit/generated_resources.h"
 #include "net/base/net_util.h"
 #include "net/url_request/url_request_unittest.h"
 
 using std::wstring;
 
 namespace {
 
 const wchar_t kDocRoot[] = L"chrome/test/data";
 
 class SessionHistoryTest : public UITest {
  protected:
   SessionHistoryTest() : UITest() {
+    dom_automation_enabled_ = true;
   }
 
   virtual void SetUp() {
     UITest::SetUp();
 
     window_ = automation()->GetBrowserWindow(0);
     ASSERT_TRUE(window_.get());
 
     int active_tab_index = -1;
     ASSERT_TRUE(window_->GetActiveTabIndex(&active_tab_index));
@@ skipping 472 matching lines @@
   EXPECT_EQ(L"Default Title", GetTabTitle());
 
   ASSERT_TRUE(tab_->NavigateToURL(GURL(
       "javascript:void(frames[0].navigate())")));
   EXPECT_EQ(L"foo", GetTabTitle());
 
   ASSERT_TRUE(tab_->GoBack());
   EXPECT_EQ(L"Default Title", GetTabTitle());
 }
 
+TEST_F(SessionHistoryTest, HistoryLength) {
+  scoped_refptr<HTTPTestServer> server =
+      HTTPTestServer::CreateServer(kDocRoot, NULL);
+  ASSERT_TRUE(server.get());
+
+  int length;
+  ASSERT_TRUE(tab_->ExecuteAndExtractInt(
+      L"", L"domAutomationController.send(history.length)", &length));
+  EXPECT_EQ(1, length);
+
+  ASSERT_TRUE(tab_->NavigateToURL(server->TestServerPage("files/title1.html")));
+
+  ASSERT_TRUE(tab_->ExecuteAndExtractInt(
+      L"", L"domAutomationController.send(history.length)", &length));
+  EXPECT_EQ(2, length);
+
+  // Now test that history.length is updated when the navigation is committed.
+  ASSERT_TRUE(tab_->NavigateToURL(server->TestServerPage(
+      "files/session_history/record_length.html")));
+  ASSERT_TRUE(tab_->ExecuteAndExtractInt(
+      L"", L"domAutomationController.send(history.length)", &length));
+  EXPECT_EQ(3, length);
+  ASSERT_TRUE(tab_->ExecuteAndExtractInt(
+      L"", L"domAutomationController.send(history_length)", &length));
+  EXPECT_EQ(3, length);
+
+  ASSERT_TRUE(tab_->GoBack());
+  ASSERT_TRUE(tab_->GoBack());
+
+  // Ensure history.length is properly truncated.
+  ASSERT_TRUE(tab_->NavigateToURL(server->TestServerPage("files/title2.html")));
+  ASSERT_TRUE(tab_->ExecuteAndExtractInt(
+      L"", L"domAutomationController.send(history.length)", &length));
+  EXPECT_EQ(2, length);
+}
+
 }  // namespace