guile/test-suite/tests/procprop.test

;;;; procprop.test --- Procedure properties -*- mode: scheme; coding: utf-8; -*-
;;;; Ludovic Courtès <ludo@gnu.org>
;;;;
;;;; 	Copyright (C) 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;; 
;;;; This library 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
;;;; Lesser General Public License for more details.
;;;; 
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

(define-module (test-procpop)
  :use-module (test-suite lib))


(with-test-prefix "procedure-name"
  (pass-if "simple subr"
    (eq? 'display (procedure-name display)))

  (pass-if "gsubr"
    (eq? 'hashq-ref (procedure-name hashq-ref)))

  (pass-if "from eval"
    (eq? 'foobar (procedure-name
                  (eval '(begin (define (foobar) #t) foobar)
                        (current-module))))))


(with-test-prefix "procedure-arity"
  (pass-if "simple subr"
    (equal? (procedure-minimum-arity display)
            '(1 1 #f)))

  (pass-if "gsubr"
    (equal? (procedure-minimum-arity hashq-ref)
            '(2 1 #f)))

  (pass-if "port-closed?"
    (equal? (procedure-minimum-arity port-closed?)
            '(1 0 #f)))

  (pass-if "apply"
    (equal? (procedure-minimum-arity apply)
            '(1 0 #t)))

  (pass-if "cons*"
    (equal? (procedure-minimum-arity cons*)
            '(1 0 #t)))

  (pass-if "list"
    (equal? (procedure-minimum-arity list)
            '(0 0 #t)))

  (pass-if "fixed, eval"
    (equal? (procedure-minimum-arity (eval '(lambda (a b) #t)
                                           (current-module)))
            '(2 0 #f)))

  (pass-if "rest, eval"
    (equal? (procedure-minimum-arity (eval '(lambda (a b . c) #t)
                                           (current-module)))
            '(2 0 #t)))

  (pass-if "opt, eval"
    (equal? (procedure-minimum-arity (eval '(lambda* (a b #:optional c) #t)
                                           (current-module)))
            '(2 1 #f))))