#NEWLINE# def test_non_bijective( self ) : #NEWLINE# #INDENT# 'Tests resilience (not correctness!) under non-bijectiveness.' #NEWLINE# x = Bidict ( ) #NEWLINE# x [ 1 ] = 2 #NEWLINE# x [ 3 ] = 2 #NEWLINE# del x [ 1 ] #NEWLINE# del x [ 3 ]