Test cases for FolderHeaderView.

ui/app_list/views/folder_header_view.h

 // Copyright (c) 2013 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.
 
 #ifndef UI_APP_LIST_VIEWS_FOLDER_HEADER_VIEW_H_
 #define UI_APP_LIST_VIEWS_FOLDER_HEADER_VIEW_H_
 
 #include <string>
 
+#include "ui/app_list/app_list_export.h"
 #include "ui/app_list/app_list_item_observer.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/textfield/textfield_controller.h"
 #include "ui/views/view.h"
 
 namespace views {
 class ImageButton;
 }  // namespace views
 
 namespace app_list {
 
 class AppListFolderItem;
 class AppListFolderView;
 class FolderHeaderViewDelegate;
 
+namespace test {
+class FolderHeaderViewTest;
+}
+
 // FolderHeaderView contains a back button and an editable folder name field.
-class FolderHeaderView : public views::View,
-                         public views::TextfieldController,
-                         public views::ButtonListener,
-                         public AppListItemObserver {
+class APP_LIST_EXPORT FolderHeaderView : public views::View,
+                                         public views::TextfieldController,
+                                         public views::ButtonListener,
+                                         public AppListItemObserver {
  public:
   explicit FolderHeaderView(FolderHeaderViewDelegate* delegate);
   virtual ~FolderHeaderView();
 
   void SetFolderItem(AppListFolderItem* folder_item);
   void UpdateFolderNameVisibility(bool visible);
   void OnFolderItemRemoved();
 
   // Overridden from views::View:
   virtual gfx::Size GetPreferredSize() OVERRIDE;
 
  private:
   class FolderNameView;
+  friend class test::FolderHeaderViewTest;
 
   // Updates UI.
   void Update();
 
+  // Gets and sets the folder name for test.
+  const base::string16& GetFolderNameForTest();
+  void SetFolderNameForTest(const base::string16& name);
+
+  // Returns true if folder name is enabled, only for testing use.
+  bool IsFolderNameEnabledForTest() const;
+
   // views::View overrides:
   virtual void Layout() OVERRIDE;
   virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 
   // views::TextfieldController overrides:
   virtual void ContentsChanged(views::Textfield* sender,
                                const base::string16& new_contents) OVERRIDE;
 
   // views::ButtonListener overrides:
@@ skipping 17 matching lines @@
   FolderHeaderViewDelegate* delegate_;
 
   bool folder_name_visible_;
 
   DISALLOW_COPY_AND_ASSIGN(FolderHeaderView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_FOLDER_HEADER_VIEW_H_