#NEWLINE# def test_set_and_get( self ) : #NEWLINE# #INDENT# eggs = Eggs ( name = 'platypus' ) #NEWLINE# spam = Spam ( ) #NEWLINE# self . assertIsNone ( spam . eggs ) #NEWLINE# spam . eggs = eggs #NEWLINE# self . assertIs ( spam . eggs , eggs ) #NEWLINE# del eggs #NEWLINE# self . assertIsNone ( spam . eggs )