#NEWLINE# def test_iops( self ) : #NEWLINE# #INDENT# try : #NEWLINE# #INDENT# iops = [ isub , iand , ior , ixor ] #NEWLINE# #UNINDENT# except NameError : #NEWLINE# #INDENT# return #NEWLINE# #UNINDENT# for op in iops : #NEWLINE# #INDENT# lazy = LazySet ( self . base ) #NEWLINE# base = self . base . copy ( ) #NEWLINE# op ( lazy , set ( [ 1 ] ) ) #NEWLINE# op ( base , set ( [ 1 ] ) ) #NEWLINE# self . assertEqual ( lazy , base , str ( lazy ) )