#NEWLINE# def test_unset_value( self ) : #NEWLINE# #INDENT# self . bound . bind ( { #NEWLINE# #INDENT# 'rk0' : 0 , #NEWLINE# 'rk1' : 0 , #NEWLINE# 'ck0' : 0 , #NEWLINE# 'v0' : UNSET_VALUE , #NEWLINE# #UNINDENT# } ) #NEWLINE# self . assertEqual ( self . bound . values [ ( - 1 ) ] , UNSET_VALUE ) #NEWLINE# old_values = old_values . bound . values #NEWLINE# self . bound . bind ( ( 0 , 0 , 0 , UNSET_VALUE ) ) #NEWLINE# self . assertEqual ( self . bound . values [ ( - 1 ) ] , UNSET_VALUE )