+ ;; COERCE
+ (assert-type-error (coerce #(1) 'null))
+ (assert-type-error (coerce #() 'cons))
+ (assert (null (coerce #() 'null)))
+ (assert (= (length (coerce #(1) 'cons)) 1))
+ (assert-type-error (coerce #() 'nil))
+ ;; MERGE
+ (assert-type-error (merge 'null '(1 3) '(2 4) '<))
+ (assert-type-error (merge 'cons () () '<))
+ (assert (null (merge 'null () () '<)))
+ (assert (= (length (merge 'cons '(1 3) '(2 4) '<)) 4))
+ (assert-type-error (merge 'nil () () '<))
+ ;; 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.