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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef UI_VIEWS_TEST_VIEWS_TEST_HELPER_H_
      6 #define UI_VIEWS_TEST_VIEWS_TEST_HELPER_H_
      7 
      8 #include "ui/gfx/native_widget_types.h"
      9 
     10 namespace base {
     11 class MessageLoopForUI;
     12 }
     13 
     14 namespace ui {
     15 class ContextFactory;
     16 }
     17 
     18 namespace views {
     19 
     20 // A helper class owned by tests that performs platform specific initialization
     21 // required for running tests.
     22 class ViewsTestHelper {
     23  public:
     24   explicit ViewsTestHelper();
     25   virtual ~ViewsTestHelper();
     26 
     27   // Create a platform specific instance.
     28   static ViewsTestHelper* Create(base::MessageLoopForUI* message_loop,
     29                                  ui::ContextFactory* context_factory);
     30 
     31   // Creates objects that are needed for tests.
     32   virtual void SetUp();
     33 
     34   // Clean up objects that were created for tests.
     35   virtual void TearDown();
     36 
     37   // Returns a context view. In aura builds, this will be the
     38   // RootWindow. Everywhere else, NULL.
     39   virtual gfx::NativeWindow GetContext();
     40 
     41  private:
     42   DISALLOW_COPY_AND_ASSIGN(ViewsTestHelper);
     43 };
     44 
     45 }  // namespace views
     46 
     47 #endif  // UI_VIEWS_TEST_VIEWS_TEST_HELPER_H_
     48