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import maya.cmds
import maya.mel

import IECore
import IECoreMaya

class UndoTest( IECoreMaya.TestCase ) :

	def test( self ) :

		maya.cmds.undoInfo(stateWithoutFlush=True )

		with IECoreMaya.UndoChunk('test1'):
			cube = maya.cmds.createNode('polyCube')
			sphere = maya.cmds.createNode('polySphere')

		with IECoreMaya.UndoDisabled():
			plane = maya.cmds.createNode('polyPlane')

		maya.cmds.undo()

		self.assertFalse( maya.cmds.objExists( cube ) )
		self.assertFalse( maya.cmds.objExists( sphere ) )
		self.assertTrue( maya.cmds.objExists( plane ) )

if __name__ == "__main__":
	IECoreMaya.TestProgram()
