121 lines
2.8 KiB
Scheme
Executable File
121 lines
2.8 KiB
Scheme
Executable File
#! /bin/sh
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# -*-scheme-*-
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exec ${MES-bin/mes} --no-auto-compile -L ${0%/*} -L module -C module -e '(tests closure)' -s "$0" "$@"
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!#
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;;; -*-scheme-*-
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;;; GNU Mes --- Maxwell Equations of Software
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;;; Copyright © 2016,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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;;;
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;;; This file is part of GNU Mes.
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;;;
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;;; GNU Mes is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Mes is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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(define-module (tests closure)
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#:use-module (mes mes-0)
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#:use-module (mes test))
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(mes-use-module (mes test))
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(pass-if "first dummy" #t)
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(pass-if-not "second dummy" #f)
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(define b 0)
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(define x (lambda () b))
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(define (x) b)
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(pass-if-equal "closure" 0 (x))
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(display "===>") (display (x)) (newline)
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(define (c b)
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(x))
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(pass-if "closure 2" (seq? (c 1) 0))
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(define (x)
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(define b 1)
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(define (y) b)
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(set! b 0)
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(list b
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(let ((b 2))
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(y))))
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(pass-if "closure 3" (sequal? (x) '(0 0)))
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(pass-if "closure 4 "
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(seq? (let ()
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(let ((count (let ((counter 0))
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(lambda ()
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counter))))
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(count)))
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0))
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(pass-if "closure 5 "
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(seq?
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(let ()
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(define name? 2)
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(define (foo)
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(define name? 0)
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(lambda () name?))
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((foo)))
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0))
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(pass-if "closure 6 "
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(seq?
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(let ()
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(define foo
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(lambda ()
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(define name? symbol?)
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(lambda ()
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(name? 'boo))))
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((foo)))
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#t))
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(define-macro (foo? q+q)
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#t)
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(foo? 'cons)
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(pass-if-equal "closure 7" #f (defined? 'q+q))
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(let ((x 0))
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(pass-if-equal "closure 8" #f (not (defined? 'x))))
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((lambda ()
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(define sc-expand #f)
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((lambda (g38)
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(set! sc-expand
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((lambda ()
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(lambda ()
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(list g38))))))
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"noexpand")
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(pass-if "closure 9" (sc-expand))))
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(pass-if "closure is procedure"
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(procedure? (lambda () #t)))
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(pass-if-not "closure is not a pair"
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(pair? (lambda () #t)))
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(define shared
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(let ((x 0))
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(lambda () (set! x (+ 1 x)) x)))
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(define-macro (share)
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(list 'begin
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(list 'shared)))
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(pass-if-equal "shared variable macro access"
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2
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(begin
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(share)
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(shared)))
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(result 'report)
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