(import (scheme base)
        (scheme read)
        (scheme eval)
        (scheme write)
        (picrin readline)
        (picrin readline history)
        (picrin test))


;; (let loop ((n 1))
;;   (let ((input (readline "> ")))
;;     (if (eof-object? input)
;;         (newline)
;;         (begin
;;           (add-history input)
;;           (write (eval (read (open-input-string input)) '(picrin user)))
;;           (newline)
;;           (loop 1)))))

;; (readline "prompt")
  
(define testfile "picrin_readline_test_file")
(test-begin)

(test 0 (history-length))
(add-history "1")
(test 1 (history-length))
(let loop ((n 2))
  (if (>= 10 n)
      (begin
        (add-history (number->string n))
        (loop (+ n 1)))))
(test 10 (history-length))
(stifle-history 7)
(test 10 (history-length))
(add-history "11")
(test 7 (history-length))
(test #t (history-stifled?))
(unstifle-history)
(test #f (history-stifled?))
(test 7 (history-length))
(add-history "12")
(test 8 (history-length))
(test "11" (history-get 11))
(remove-history 1)
(test "11" (history-get 11))
(test 7 (history-length))
(write-history testfile)
(test 7 (history-length))
(clear-history)
(test 0 (history-length))
;(read-history testfile)
(test 7 (history-length))
(clear-history)
(truncate-file testfile 5)
;(read-history testfile)
(test 5 (history-length))

(test-end)