(assert (== %(1 2 3) (cons 1 %(2 3))))

(assert (== 1 (first %(1 2 3))))

(assert (== %(2 3) (rest %(1 2 3))))

(assert (== 2 (first (rest %(1 2 3)))))

(let [a 3]
  (assert (== %(0 3) (list 0 a))))

(assert (== %(1 2 4 5) (concat %(1 2) %(4 5))))

(assert (== %(1 2 4 5 7 8) (concat %(1 2) %(4 5) %(7 8))))

// test not-list pairs
(assert (== %(1 \ 2) (cons 1 2)))
(assert (== 2 (rest %(1 \ 2))))
(assert (not (list? %(1 \ 2))))
(assert (list? %()))
(assert (list? %(1 2 3)))
(assert (empty? %()))
(assert (not (empty? %(1 2))))