Reland of: Split out InputMethodMenuManager from InputMethodManager.

ash/ime/input_method_menu_manager_unittest.cc

+// Copyright 2014 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 "ash/ime/input_method_menu_manager.h"
+
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace ash {
+namespace ime {
+
+TEST(InputMethodMenuManagerTest, TestGetSingleton) {
+  EXPECT_TRUE(InputMethodMenuManager::GetInstance());
+}
+
+class MockObserver : public InputMethodMenuManager::Observer {
+ public:
+  MockObserver() : input_method_menu_item_changed_count_(0) {}
+  virtual ~MockObserver() {}
+
+  // Called when the list of menu items is changed.
+  virtual void InputMethodMenuItemChanged(
+      InputMethodMenuManager* manager) OVERRIDE {
+    input_method_menu_item_changed_count_++;
+  }
+  int input_method_menu_item_changed_count_;
+};
+
+class InputMethodMenuManagerStatefulTest : public testing::Test{
+ public:
+  InputMethodMenuManagerStatefulTest()
+      : observer_(new MockObserver()) {}
+  virtual ~InputMethodMenuManagerStatefulTest() {}
+  virtual void SetUp() OVERRIDE {
+    menu_manager_ = InputMethodMenuManager::GetInstance();
+    menu_manager_->AddObserver(observer_.get());
+  }
+
+  virtual void TearDown() OVERRIDE {
+    menu_manager_->RemoveObserver(observer_.get());
+  }
+
+  InputMethodMenuManager* menu_manager_;
+  scoped_ptr<MockObserver> observer_;
+};
+
+TEST_F(InputMethodMenuManagerStatefulTest, AddAndObserve) {
+  EXPECT_EQ(observer_->input_method_menu_item_changed_count_, 0);
+  menu_manager_->SetCurrentInputMethodMenuItemList(InputMethodMenuItemList());
+  EXPECT_EQ(observer_->input_method_menu_item_changed_count_, 1);
+}
+
+TEST_F(InputMethodMenuManagerStatefulTest, AddAndCheckExists) {
+  InputMethodMenuItemList list;
+  list.push_back(InputMethodMenuItem("key1", "label1", false, false));
+  list.push_back(InputMethodMenuItem("key2", "label2", false, false));
+  menu_manager_->SetCurrentInputMethodMenuItemList(list);
+  EXPECT_EQ(menu_manager_->GetCurrentInputMethodMenuItemList().size(), 2U);
+  EXPECT_EQ(
+      menu_manager_->GetCurrentInputMethodMenuItemList().at(0).ToString(),
+      "key=key1, label=label1, "
+      "is_selection_item=0, is_selection_item_checked=0");
+  EXPECT_EQ(
+      menu_manager_->GetCurrentInputMethodMenuItemList().at(1).ToString(),
+      "key=key2, label=label2, "
+      "is_selection_item=0, is_selection_item_checked=0");
+
+  EXPECT_TRUE(menu_manager_->HasInputMethodMenuItemForKey("key1"));
+  EXPECT_TRUE(menu_manager_->HasInputMethodMenuItemForKey("key2"));
+  EXPECT_FALSE(menu_manager_->HasInputMethodMenuItemForKey("key-not-exist"));
+}
+
+}  // namespace ime
+}  // namespace ash