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#! /bin/sh
# -*-scheme-*-
exec ${MES-bin/mes} --no-auto-compile -L ${0%/*} -L module -C module -e '(tests guile)' -s "$0" "$@"
!#
;;; -*-scheme-*-
;;; GNU Mes --- Maxwell Equations of Software
;;; Copyright © 2017,2018 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 guile)
#:use-module (ice-9 rdelim)
#:use-module (mes mes-0)
#:use-module (mes misc)
#:use-module (mes test))
(cond-expand
(mes
(mes-use-module (mes test))
(mes-use-module (mes misc))
(mes-use-module (mes guile)))
(else))
(pass-if "first dummy" #t)
(pass-if-not "second dummy" #f)
(pass-if-equal "read-string" "bla"
(with-input-from-string "bla"
(lambda () (read-string))))
(pass-if-equal "open-input-string" "bla"
(let* ((port (current-input-port))
(foo (open-input-string "bla")))
(set-current-input-port foo)
(let ((s (read-string)))
(set-current-input-port port)
s)))
;; NYACC
;; === input stack =====================
(define *input-stack* (make-fluid '()))
(define (reset-input-stack)
(fluid-set! *input-stack* '()))
(define (push-input port)
(let ((curr (current-input-port))
(ipstk (fluid-ref *input-stack*)))
(fluid-set! *input-stack* (cons curr ipstk))
(set-current-input-port port)))
;; Return #f if empty
(define (pop-input)
(let ((ipstk (fluid-ref *input-stack*)))
(if (null? ipstk) #f
(begin
(set-current-input-port (car ipstk))
(fluid-set! *input-stack* (cdr ipstk))))))
(pass-if-equal "push-input"
"bla"
(let ()
(push-input (open-input-string "bla"))
(let ((ch (read-char)))
(unread-char ch))
(let ((x (read-string)))
(let ((pop (pop-input)))
x))))
(pass-if-equal "input-stack/1"
"hello world!"
(with-output-to-string
(lambda ()
(with-input-from-string "hello X!"
(lambda ()
(let iter ((ch (read-char)))
(unless (eq? ch #\X) (write-char ch) (iter (read-char))))
(push-input (open-input-string "world"))
(let iter ((ch (read-char)))
(unless (eof-object? ch) (write-char ch) (iter (read-char))))
(pop-input)
(let iter ((ch (read-char)))
(unless (eof-object? ch) (write-char ch) (iter (read-char)))))))))
(pass-if "input-stack/2"
(let ((sp (open-input-string "abc")))
(push-input sp)
(and (pop-input) (not (pop-input)))))
(pass-if-equal "with-input-from-string peek"
#\X
(with-input-from-string "X"
(lambda () (peek-char))))
(pass-if-equal "open-input-string peek"
#\X
(let ((port (open-input-string "X")))
(set-current-input-port port)
(peek-char)))
(result 'report)
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