#NEWLINE# def test_ixor( self ) : #NEWLINE# #INDENT# self . s ^= set ( self . items2 ) #NEWLINE# for c in ( self . items + self . items2 ) : #NEWLINE# #INDENT# if ( ( c in self . items ) ^ ( c in self . items2 ) ) : #NEWLINE# #INDENT# self . assertIn ( c , self . s ) #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# self . assertNotIn ( c , self . s )