mes-m2/test/test126/let-syntax.test

#! /bin/sh
# -*-scheme-*-
exec ${MES-src/mes} --no-auto-compile -L ${0%/*} -L module -C module -e '(tests let-syntax)' -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 let-syntax)
  #:use-module (mes mes-0)
  #:use-module (mes test))

(mes-use-module (mes syntax))
(mes-use-module (mes test))

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

(pass-if "let-syntax"
  (seq?
   (let-syntax ((xwhen (syntax-rules ()
                        ((xwhen condition exp ...)
                         (if (not condition)
                             (begin exp ...))))))
     (xwhen #f 3))
   3))

(pass-if "let-syntax no-leak"
  (seq?
   (when #f 3)
   *unspecified*))

(pass-if "let-syntax"
  (sequal?
   (let-syntax ((when (syntax-rules ()
                        ((when condition exp ...)
                         (if (not condition)
                             (begin exp ...)))))
                (unless (syntax-rules ()
                        ((when condition exp ...)
                         (if condition
                             (begin exp ...))))))
     (list (when #f 0) (unless #t 1)))
   '(0 1)))

(result 'report)