text: ##########################################################################
  #  
  #  Copyright (c) 2013, Image Engine Design Inc. All rights reserved.
  #  
  #  Redistribution and use in source and binary forms, with or without
  #  modification, are permitted provided that the following conditions are
  #  met:
  #  
  #      * Redistributions of source code must retain the above
  #        copyright notice, this list of conditions and the following
  #        disclaimer.
  #  
  #      * Redistributions in binary form must reproduce the above
  #        copyright notice, this list of conditions and the following
  #        disclaimer in the documentation and/or other materials provided with
  #        the distribution.
  #  
  #      * Neither the name of John Haddon nor the names of
  #        any other contributors to this software may be used to endorse or
  #        promote products derived from this software without specific prior
  #        written permission.
  #  
  #  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  #  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  #  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  #  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  #  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  #  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  #  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  #  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  #  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  #  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  #  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  #  
  ##########################################################################
  
  import Gaffer
  import GafferUI
  import GafferUITest
  
  class PlaybackTest( GafferUITest.TestCase ) :
  
  	def testAcquire( self ) :
  		
  		c1 = Gaffer.Context()
  		c2 = Gaffer.Context()
  		
  		p1a = GafferUI.Playback.acquire( c1 )
  		p1b = GafferUI.Playback.acquire( c1 )
  		
  		self.assertTrue( p1a is p1b )
  		
  		p2a = GafferUI.Playback.acquire( c2 )
  		p2b = GafferUI.Playback.acquire( c2 )
  		
  		self.assertTrue( p2a is p2b )
  		self.assertTrue( p2a is not p1a )
  		
  		s = Gaffer.ScriptNode()
  		p3a = GafferUI.Playback.acquire( s.context() )
  		p3b = GafferUI.Playback.acquire( s.context() )
  		
  		self.assertTrue( p3a is p3b )
  											
  if __name__ == "__main__":
  	unittest.main()
  