(equal? 'c
(drop '(a b . c) 2))))
+;;
+;; filter-map
+;;
+
+(with-test-prefix "filter-map"
+
+ (with-test-prefix "one list"
+ (pass-if "(1)"
+ (equal? '(1) (filter-map noop '(1))))
+
+ (pass-if "(#f)"
+ (equal? '() (filter-map noop '(#f))))
+
+ (pass-if "(1 2)"
+ (equal? '(1 2) (filter-map noop '(1 2))))
+
+ (pass-if "(#f 2)"
+ (equal? '(2) (filter-map noop '(#f 2))))
+
+ (pass-if "(#f #f)"
+ (equal? '() (filter-map noop '(#f #f))))
+
+ (pass-if "(1 2 3)"
+ (equal? '(1 2 3) (filter-map noop '(1 2 3))))
+
+ (pass-if "(#f 2 3)"
+ (equal? '(2 3) (filter-map noop '(#f 2 3))))
+
+ (pass-if "(1 #f 3)"
+ (equal? '(1 3) (filter-map noop '(1 #f 3))))
+
+ (pass-if "(1 2 #f)"
+ (equal? '(1 2) (filter-map noop '(1 2 #f)))))
+
+ (with-test-prefix "two lists"
+ (pass-if "(1 2 3) (4 5 6)"
+ (equal? '(1 2 3) (filter-map noop '(1 2 3) '(4 5 6))))
+
+ (pass-if "(#f 2 3) (4 5)"
+ (equal? '(2) (filter-map noop '(#f 2 3) '(4 5))))
+
+ (pass-if "(4 #f) (1 2 3)"
+ (equal? '(4) (filter-map noop '(4 #f) '(1 2 3))))))
+
;;
;; length+
;;