question: check that the equals method can distinguish all fields . concode_field_sep PlaceHolder placeHolder concode_field_sep void testCloning concode_elem_sep void testSerialization
target: void function ( ) { PlumNeedle loc0 = new PlumNeedle ( ) ; PlumNeedle loc1 = new PlumNeedle ( ) ; assertTrue ( loc0 . equals ( loc1 ) ) ; assertTrue ( loc1 . equals ( loc0 ) ) ; }