+ ;; CONCATENATE
+ (assert-type-error (concatenate 'null '(1) "2"))
+ (assert-type-error (concatenate 'cons #() ()))
+ (assert (null (concatenate 'null () #())))
+ (assert (= (length (concatenate 'cons #() '(1) "2 3")) 4))
+ (assert-type-error (concatenate 'nil '(3)))
+ ;; FIXME: tests for MAP to come when some brave soul implements
+ ;; the analogous type checking for MAP/%MAP.