1;;;; srfi-31.test --- Test suite for Guile's SRFI-31 functions. -*- scheme -*-
2;;;;
3;;;; Copyright (C) 2004, 2006, 2010, 2012 Free Software Foundation, Inc.
4;;;;
5;;;; This library is free software; you can redistribute it and/or
6;;;; modify it under the terms of the GNU Lesser General Public
7;;;; License as published by the Free Software Foundation; either
8;;;; version 3 of the License, or (at your option) any later version.
9;;;;
10;;;; This library is distributed in the hope that it will be useful,
11;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
12;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13;;;; Lesser General Public License for more details.
14;;;;
15;;;; You should have received a copy of the GNU Lesser General Public
16;;;; License along with this library; if not, write to the Free Software
17;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18
19(define-module (test-suite test-srfi-31)
20  #:use-module (test-suite lib)
21  #:use-module (srfi srfi-31))
22
23(with-test-prefix "rec special form"
24
25  (pass-if-exception "bogus variable"
26    exception:syntax-pattern-unmatched
27    (eval '(rec #:foo) (current-module)))
28
29  (pass-if "rec expressions"
30    (let ((ones-list (rec ones (cons 1 (delay ones)))))
31      (and (= 1 (car ones-list))
32           (= 1 (car (force (cdr ones-list)))))))
33
34  (pass-if "rec functions"
35    (let ((test-func (rec (add-upto n)
36                       (if (positive? n)
37                           (+ n (add-upto (- n 1)))
38                           0))))
39      (= 15 (test-func 5)))))
40