Add LoginState class to src/chromeos/login

chromeos/login/login_state_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 "chromeos/login/login_state.h"
+
+#include "base/message_loop.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chromeos {
+
+class LoginStateTest : public testing::Test,
+                       public LoginState::Observer {
+ public:
+  LoginStateTest()
+      : login_state_(LoginState::LOGGED_IN_OOBE),
+        session_started_(false) {
+  }
+  virtual ~LoginStateTest() {
+  }
+
+  // testing::Test
+  virtual void SetUp() OVERRIDE {
+    // Initialize DBusThreadManager with a stub implementation.
+    DBusThreadManager::InitializeWithStub();
+    LoginState::Initialize();
+    LoginState::Get()->AddObserver(this);
+  }
+
+  virtual void TearDown() OVERRIDE {
+    LoginState::Get()->RemoveObserver(this);
+    LoginState::Shutdown();
+    DBusThreadManager::Shutdown();
+  }
+
+  // LoginState::Observer

[bartfab (slow), 2013/04/08 15:18:36]

Nit: Still missing a sentence terminator, either . or :

+  virtual void LoginStateChanged(LoginState::State state) OVERRIDE {
+    login_state_ = state;
+    session_started_ = LoginState::Get()->IsSessionStarted();
+  }
+
+ protected:
+  MessageLoopForUI message_loop_;
+  LoginState::State login_state_;
+  bool session_started_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(LoginStateTest);
+};
+
+TEST_F(LoginStateTest, TestLoginState) {
+  EXPECT_EQ(LoginState::LOGGED_IN_OOBE, login_state_);
+  EXPECT_EQ(LoginState::LOGGED_IN_OOBE, LoginState::Get()->GetLoginState());
+  LoginState::Get()->SetLoginState(LoginState::LOGGED_IN_USER);
+  EXPECT_EQ(LoginState::LOGGED_IN_USER, LoginState::Get()->GetLoginState());
+  EXPECT_TRUE(LoginState::Get()->IsUserLoggedIn());
+  message_loop_.RunUntilIdle();
+  EXPECT_EQ(LoginState::LOGGED_IN_USER, login_state_);
+  // Lock the screen.
+  DBusThreadManager::Get()->GetSessionManagerClient()->RequestLockScreen();
+  message_loop_.RunUntilIdle();
+  EXPECT_EQ(LoginState::LOGGED_IN_LOCKED, LoginState::Get()->GetLoginState());
+  EXPECT_EQ(LoginState::LOGGED_IN_LOCKED, login_state_);
+  // UnLock the screen.
+  DBusThreadManager::Get()->GetSessionManagerClient()->RequestUnlockScreen();
+  message_loop_.RunUntilIdle();
+  EXPECT_EQ(LoginState::LOGGED_IN_USER, LoginState::Get()->GetLoginState());
+  EXPECT_EQ(LoginState::LOGGED_IN_USER, login_state_);
+}
+
+TEST_F(LoginStateTest, TestSessionStarted) {
+  EXPECT_FALSE(LoginState::Get()->IsSessionStarted());
+  EXPECT_FALSE(session_started_);
+  LoginState::Get()->SetSessionStarted(true);
+  message_loop_.RunUntilIdle();
+  EXPECT_TRUE(LoginState::Get()->IsSessionStarted());
+  EXPECT_TRUE(session_started_);
+}
+
+}  // namespace