old_contents: """ Tests for the garbage collection of objects in tvtk package.
  """
  # Authors: Deepak Surti, Ioannis Tziakos
  # Copyright (c) 2015, Enthought, Inc.
  # License: BSD Style.
  
  import unittest
  from traits.etsconfig.api import ETSConfig
  
  from tvtk.pyface.tvtk_scene import TVTKScene
  from tvtk.pyface.scene import Scene
  from tvtk.pyface.scene_model import SceneModel
  from tvtk.tests.common import TestGarbageCollection
  
  class TestTVTKGarbageCollection(TestGarbageCollection):
      """ See: tvtk.tests.common.TestGarbageCollection
      """
      def test_tvtk_scene(self):
          """ Tests if TVTK scene can be garbage collected."""
          def create_fn():
              return TVTKScene()
  
          def close_fn(o):
              o.closed = True
  
          self.check_object_garbage_collected(create_fn, close_fn)
      
      @unittest.skipIf(
          ETSConfig.toolkit=='wx', 'Test segfaults using WX (issue #216)')
      def test_scene(self):
          """ Tests if Scene can be garbage collected."""
          def create_fn():
              return Scene()
  
          def close_fn(o):
              o.closed = True
  
          self.check_object_garbage_collected(create_fn, close_fn)
      
      def test_scene_model(self):
          """ Tests if SceneModel can be garbage collected."""
          def create_fn():
              return SceneModel()
  
          def close_fn(obj):
              obj.closed = True
  
          self.check_object_garbage_collected(create_fn, close_fn)
  
new_contents: """ Tests for the garbage collection of objects in tvtk package.
  """
  # Authors: Deepak Surti, Ioannis Tziakos
  # Copyright (c) 2015, Enthought, Inc.
  # License: BSD Style.
  
  import unittest
  from traits.etsconfig.api import ETSConfig
  
  from tvtk.pyface.tvtk_scene import TVTKScene
  from tvtk.pyface.api import DecoratedScene, Scene
  from tvtk.pyface.scene_model import SceneModel
  from tvtk.tests.common import TestGarbageCollection
  
  class TestTVTKGarbageCollection(TestGarbageCollection):
      """ See: tvtk.tests.common.TestGarbageCollection
      """
      def test_tvtk_scene(self):
          """ Tests if TVTK scene can be garbage collected."""
          def create_fn():
              return TVTKScene()
  
          def close_fn(o):
              o.close()
  
          self.check_object_garbage_collected(create_fn, close_fn)
      
      @unittest.skipIf(
          ETSConfig.toolkit=='wx', 'Test segfaults using WX (issue #216)')
      def test_scene(self):
          """ Tests if Scene can be garbage collected."""
          def create_fn():
              return Scene()
  
          def close_fn(o):
              o.close()
  
          self.check_object_garbage_collected(create_fn, close_fn)
  
      @unittest.skipIf(
          ETSConfig.toolkit=='wx', 'Test segfaults using WX (issue #216)')
      def test_decorated_scene(self):
          """ Tests if Decorated Scene can be garbage collected."""
          def create_fn():
              return DecoratedScene(parent=None)
  
          def close_fn(o):
              o.close()
  
          self.check_object_garbage_collected(create_fn, close_fn)
      
      def test_scene_model(self):
          """ Tests if SceneModel can be garbage collected."""
          def create_fn():
              return SceneModel()
  
          def close_fn(o):
              o.close()
  
          self.check_object_garbage_collected(create_fn, close_fn)
  
subject: Add test for deocrated scene, use close fn to close scenes