Bug 111139: Deprecate HOMEPAGE option, remove the UI for it, migrate users away from it

chrome/browser/prefs/session_startup_pref_unittest.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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 "chrome/browser/prefs/session_startup_pref.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_pref_service.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 // Unit tests for SessionStartupPref.
@@ skipping 37 matching lines @@
   EXPECT_EQ(3u, result.urls.size());
 
   SessionStartupPref override_test =
       SessionStartupPref(SessionStartupPref::URLS);
   override_test.urls.push_back(GURL("dev.chromium.org"));
   SessionStartupPref::SetStartupPref(pref_service_.get(), override_test);
 
   result = SessionStartupPref::GetStartupPref(pref_service_.get());
   EXPECT_EQ(3u, result.urls.size());
 }
+
+TEST_F(SessionStartupPrefTest, HomePageMigration) {
+  pref_service_->RegisterStringPref(prefs::kHomePage, "http://google.com/");
+
+  // By design, it's impossible to set the 'restore on startup' pref to 0
+  // ("open the homepage") using SessionStartupPref::SetStartupPref(), so set it
+  // using the pref service directly.
+  pref_service_->SetInteger(prefs::kRestoreOnStartup, /*kPrefValueHomePage*/ 0);
+  pref_service_->SetString(prefs::kHomePage, "http://chromium.org/");
+
+  SessionStartupPref pref = SessionStartupPref::GetStartupPref(
+      pref_service_.get());
+  EXPECT_EQ(SessionStartupPref::URLS, pref.type);
+  EXPECT_EQ(1U, pref.urls.size());
+  EXPECT_EQ(GURL("http://chromium.org/"), pref.urls[0]);
+}