#! /bin/sh
exec ${MES-bin/mes} --no-auto-compile -L ${0%/*} -L module -C module -e '(tests display)' -s "$0" "$@"
!#

;;; -*-scheme-*-

;;; GNU Mes --- Maxwell Equations of Software
;;; Copyright © 2016,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;;
;;; This file is part of GNU Mes.
;;;
;;; GNU Mes is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Mes is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.

(define-module (tests display)
  #:use-module (mes mes-0)
  #:use-module (mes test))

(mes-use-module (mes display))
(mes-use-module (mes guile))
(mes-use-module (mes test))

(pass-if "first dummy" #t)
(pass-if-not "second dummy" #f)

(pass-if-equal "display"
    "0"
  (with-output-to-string (lambda () (display 0))))

(pass-if-equal "display"
    "A"
  (with-output-to-string (lambda () (display #\A))))

(pass-if-equal "write"
    "#\\A"
  (with-output-to-string (lambda () (write #\A))))

(if (or mes? guile-2?)
    (pass-if-equal "write alarm"
        "#\\alarm"
      (with-output-to-string (lambda () (write #\alarm)))))

(pass-if-equal "write string"
    "\"BOO\\n\""
  (with-output-to-string (lambda () (write "BOO\n"))))

(pass-if-equal "display string"
    "BOO\n"
  (with-output-to-string (lambda () (display "BOO\n"))))

(pass-if-equal "display symbol"
    "Bah"
  (with-output-to-string (lambda () (display 'Bah))))

(pass-if-equal "display number"
    "486"
  (with-output-to-string (lambda () (display 486))))

(if (or mes? guile-1.8?)
    (pass-if-equal "display closure"
        "#<procedure #f (a b c)>"
      (with-output-to-string (lambda () (display (lambda (a b c) #t))))))

(if (or mes? guile-2?)
    (pass-if-equal "display builtin thunk"
        "#<procedure gc ()>"
      (with-output-to-string (lambda () (display gc)))))

(if (or mes? guile-2?)
    (pass-if-equal "display builtin procedure"
        "#<procedure acons (_ _ _)>"
      (with-output-to-string (lambda () (display acons)))))

(pass-if-equal "s-exp"
    "(lambda (a b . c) #t)"
  (with-output-to-string (lambda () (display '(lambda (a b . c) #t)))))

(if mes?
    (pass-if-equal "vector nest"
        "#(0 #(...) 2 3)"
      (with-output-to-string (lambda () (display #(0 #(1) 2 3))))))

(result 'report)
