Full Screen Magnifier: Add MagnificationManager

chrome/browser/chromeos/accessibility/magnification_manager_browsertest.cc

Index: chrome/browser/chromeos/accessibility/magnification_manager_browsertest.cc
diff --git a/chrome/browser/chromeos/accessibility/magnification_manager_browsertest.cc b/chrome/browser/chromeos/accessibility/magnification_manager_browsertest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5f29f2f561631ce707e8241eb4c6c9e1b67572e1
--- /dev/null
+++ b/chrome/browser/chromeos/accessibility/magnification_manager_browsertest.cc
@@ -0,0 +1,119 @@
+// 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/command_line.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chromeos/accessibility/accessibility_util.h"
+#include "chrome/browser/chromeos/accessibility/magnification_manager.h"
+#include "chrome/browser/chromeos/cros/cros_in_process_browser_test.h"
+#include "chrome/browser/chromeos/login/helper.h"
+#include "chrome/browser/chromeos/login/login_utils.h"
+#include "chrome/browser/chromeos/login/user_manager.h"
+#include "chrome/browser/chromeos/login/user_manager_impl.h"
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/common/chrome_notification_types.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
+#include "chrome/test/base/testing_profile.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chromeos {
+
+class MagnificationManagerTest : public CrosInProcessBrowserTest {
+ protected:
+  MagnificationManagerTest() {}
+  virtual ~MagnificationManagerTest() {}
+
+  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
+    command_line->AppendSwitch(switches::kLoginManager);
+    command_line->AppendSwitchASCII(switches::kLoginProfile,
+                                    TestingProfile::kTestUserProfileDir);
+  }
+
+  Profile* profile() {
+    Profile* profile = ProfileManager::GetDefaultProfileOrOffTheRecord();
+    DCHECK(profile);
+    return profile;
+  }
+
+  PrefServiceBase* prefs() {
+    return PrefServiceBase::FromBrowserContext(profile());
+  }
+
+  void SetScreenManagnifierTypeToPref(accessibility::ScreenMagnifierType type) {
+    prefs()->SetString(prefs::kScreenMagnifierType,
+                       ScreenMagnifierNameFromType(type));
+  }
+
+  void CheckCurrentScreenMagnifierType(
+      accessibility::ScreenMagnifierType type) {
+    EXPECT_EQ(MagnificationManager::GetInstance()->GetScreenMagnifierType(),
+             type);
+  }
+
+  DISALLOW_COPY_AND_ASSIGN(MagnificationManagerTest);
+};
+
+IN_PROC_BROWSER_TEST_F(MagnificationManagerTest, Login) {
+  // Confirms that magnifier is enabled on the login screen.
+  CheckCurrentScreenMagnifierType(accessibility::MAGNIFIER_FULL);
+
+  // Logs in.
+  UserManager::Get()->UserLoggedIn("owner@invalid.domain", true);
+  UserManager::Get()->SessionStarted();
+
+  // Confirms that magnifier is disabled just after login.
+  CheckCurrentScreenMagnifierType(accessibility::MAGNIFIER_OFF);
+
+  // Enables magnifier.
+  SetScreenManagnifierTypeToPref(accessibility::MAGNIFIER_FULL);
+
+  // Confirms that magnifier is enabled.
+  CheckCurrentScreenMagnifierType(accessibility::MAGNIFIER_FULL);
+}
+
+IN_PROC_BROWSER_TEST_F(MagnificationManagerTest, WorkingWithPref) {
+  // Logs in
+  UserManager::Get()->UserLoggedIn("owner@invalid.domain", true);
+  UserManager::Get()->SessionStarted();
+
+  // Confirms that magnifier is disabled just after login.
+  CheckCurrentScreenMagnifierType(accessibility::MAGNIFIER_OFF);
+
+  // Sets the pref as true to enable magnifier.
+  SetScreenManagnifierTypeToPref(accessibility::MAGNIFIER_FULL);
+
+  // Confirms that magnifier is enabled.
+  CheckCurrentScreenMagnifierType(accessibility::MAGNIFIER_FULL);
+
+  // Sets the pref as false to disabled magnifier.
+  SetScreenManagnifierTypeToPref(accessibility::MAGNIFIER_OFF);
+
+  // Confirms that magnifier is disabled.
+  CheckCurrentScreenMagnifierType(accessibility::MAGNIFIER_OFF);
+
+  // Sets the pref as true to enable magnifier again.
+  SetScreenManagnifierTypeToPref(accessibility::MAGNIFIER_FULL);
+
+  // Confirms that magnifier is enabled.
+  CheckCurrentScreenMagnifierType(accessibility::MAGNIFIER_FULL);
+}
+
+IN_PROC_BROWSER_TEST_F(MagnificationManagerTest, ResumeSavedPref) {
+  // Loads the profile of the user.
+  UserManager::Get()->UserLoggedIn("owner@invalid.domain", true);
+
+  // Sets the pref as true to enable magnifier before login.
+  SetScreenManagnifierTypeToPref(accessibility::MAGNIFIER_FULL);
+
+  // Logs in.
+  UserManager::Get()->SessionStarted();
+
+  // Confirms that magnifier is enabled just after login.
+  CheckCurrentScreenMagnifierType(accessibility::MAGNIFIER_FULL);
+}
+
+}  // namespace chromeos