(import (scheme base)
        (only (csc testing) assert-equal test)
        (csc match))


(test match-cond
  (assert-equal
    3
    (match 3
      (0 0)
      (1 1)
      (2 2)
      (3 3)
      (_ 4))))


(test match-list
  (assert-equal
    2
    (match '(1 2 3)
      ('() 0)
      ((1 2) 1)
      ((1 2 3) 2)
      ((1 2 3 4) 3)
      (_ 4))))


(test match-binding
  (assert-equal
    2
    (match '(1 2 3)
      ((1 x 3) x))))


(test match-destructuring
  (assert-equal
    1
    (match '(1 2 3)
      ('() 0)
      ((head . _) head))))


(test match-ignore
  (assert-equal
    2
    (match '(1 2 3)
      ((_ _ _ _) 0)
      ((2 _ _) 1)
      ((1 _ _) 2)
      (_ 3))))


(test match-improper-list
  (assert-equal
    2
    (match '(1 2 3)
      ((2 . _) 1)
      ((1 . x) (car x))
      (_ 3))))