(defpackage :aoc/2024/09/tests
  (:use :cl :aoc :aoc/tests :aoc/2024/tests :parachute :aoc/2024/09))

(in-package :aoc/2024/09/tests)

(define-test suite-2024-09
					;:parent suite-2024
  )

(define-test test-blocks-to-fs
  :parent suite-2024-09
  (let ((fs sample-data))
    (is equalp (make-inode :id 0 :start 0 :length 2) (nth 0 fs))
    (is equalp (make-freespace :start 2 :length 3) (nth 1 fs))
    (is equalp (make-inode :id 1 :start 5 :length 3) (nth 2 fs))
    (is equalp (make-freespace :start 8 :length 3) (nth 3 fs)))) 


(define-test test-compact-fs
  :parent suite-2024-09
  ;; last block fits exactly in first free space
  (is equalp
      (list
       (make-inode :id 0 :start 0 :length 2)
       (make-inode :id 1 :start 2 :length 2))
      (fs-compact-step (list
			(make-inode :id 0 :start 0 :length 2)
			(make-freespace :start 2 :length 2)
			(make-inode :id 1 :start 4 :length 2)
			)))
  ;; last block bigger than first free space
  (is equalp
      (list
       (make-inode :id 0 :start 0 :length 2)
       (make-inode :id 2 :start 2 :length 2)
       (make-inode :id 1 :start 4 :length 2)
       (make-freespace :start 6 :length 2)
       (make-inode :id 2 :start 8 :length 2))
      (fs-compact-step (list
			(make-inode :id 0 :start 0 :length 2)
			(make-freespace :start 2 :length 2)
			(make-inode :id 1 :start 4 :length 2)
			(make-freespace :start 6 :length 2)
			(make-inode :id 2 :start 8 :length 4)
			
			)))
  ;; last block smaller than first free space
  (is equalp
      (list
       (make-inode :id 0 :start 0 :length 2)
       (make-inode :id 2 :start 2 :length 2)
       (make-freespace :start 4 :length 2)
       (make-inode :id 1 :start 6 :length 2)
       )
      (fs-compact-step (list
			(make-inode :id 0 :start 0 :length 2)
			(make-freespace :start 2 :length 4)
			(make-inode :id 1 :start 6 :length 2)
			(make-freespace :start 8 :length 2)
			(make-inode :id 2 :start 10 :length 2)
			
			)))
  )



(define-test+run test-part1
  :parent suite-2024-09
  (true (equal "1928" (part1 sample-data))))

(define-test+run test-part2
  :parent suite-2024-09
  (true (equal "2858" (part2 sample-data))))