;;;; srfi-39.test --- -*- scheme -*-
;;;;
;;;; Copyright (C) 2004 Free Software Foundation, Inc.
;;;; 
;;;; This program 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 2, or (at your option)
;;;; any later version.
;;;; 
;;;; This program 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 this software; see the file COPYING.  If not, write to
;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
;;;; Boston, MA 02111-1307 USA

(use-modules (srfi srfi-39))

(define a (make-parameter 3))
(define b (make-parameter 4))

(define (check a b a-val b-val)
  (and (eqv? (a) a-val)) (eqv? (b) b-val))

(define c (make-parameter 2 (lambda (x) (if (< x 10) x 10))))
(define d (make-parameter 15 (lambda (x) (if (< x 10) x 10))))

(with-test-prefix "SRFI-39"

  (pass-if "test 1"
    (check a b 3 4))

  (pass-if "test 2"
    (parameterize ((a 2) (b 1))
      (and (check a b 2 1)
	   (parameterize ((b 8))
	     (check a b 2 8)))))

  (pass-if "test 3"
    (check a b 3 4))

  (pass-if "test 4"
    (check c d 2 10))

  (pass-if "test 5"
    (parameterize ((a 0) (b 1) (c 98) (d 9))
      (and (check a b 0 1)
           (check c d 10 9)
           (parameterize ((c (a)) (d (b)))
	     (and (check a b 0 1)
		  (check c d 0 1)))))))