guile/test-suite/tests/srfi-17.test

;;;; srfi-17.test --- test suite for Guile's SRFI-17 functions. -*- scheme -*-
;;;;
;;;; Copyright (C) 2001, 2003, 2005, 2006, 2010 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-suite test-srfi-17)
  #:use-module (ice-9 regex)
  #:use-module (test-suite lib)
  #:use-module (srfi srfi-17))


(pass-if "cond-expand srfi-17"
  (cond-expand (srfi-17 #t)
	       (else    #f)))

;;
;; car
;;

(with-test-prefix "car"

  ;; this test failed in guile 1.8.1 and 1.6.8 and earlier, since `define'
  ;; didn't set a name on a procedure-with-setter
  (pass-if "procedure-name"
    (if (memq 'procnames (debug-options)) ;; enabled by default
	(eq? 'car (procedure-name car))
	(throw 'unsupported)))

  (pass-if "set! (car x)"
    (let ((lst (list 1)))
      (set! (car lst) 2)
      (eqv? 2 (car lst)))))

;;
;; set!
;;

(define %some-variable #f)

(define exception:bad-quote
  '(quote . "bad syntax"))

;; (put 'pass-if-syntax-error 'scheme-indent-function 1)
(define-syntax pass-if-syntax-error
  (syntax-rules ()
    ((_ name pat exp)
     (pass-if name
       (catch 'syntax-error
         (lambda () exp (error "expected uri-error exception"))
         (lambda (k who what where form . maybe-subform)
           (if (if (pair? pat)
                   (and (eq? who (car pat))
                        (string-match (cdr pat) what))
                   (string-match pat what))
               #t
               (error "unexpected syntax-error exception" what pat))))))))

(with-test-prefix "set!"

  (with-test-prefix "target is not procedure with setter"

    (pass-if-exception "(set! (symbol->string 'x) 1)"
      exception:wrong-type-arg
      (set! (symbol->string 'x) 1))

    (pass-if-syntax-error "(set! '#f 1)"
      exception:bad-quote
      (eval '(set! '#f 1) (interaction-environment))))

  (with-test-prefix "target uses macro"

    (pass-if "(set! (@@ ...) 1)"
      (eval '(set! (@@ (test-suite test-srfi-17) %some-variable) 1)
            (interaction-environment))
      (equal? %some-variable 1))

    ;; The `(quote x)' below used to be memoized as an infinite list before
    ;; Guile 1.8.3.
    (pass-if-syntax-error "(set! 'x 1)"
      exception:bad-quote
      (eval '(set! 'x 1) (interaction-environment)))))

;;
;; setter
;;

(with-test-prefix "setter"

  (pass-if-exception "set! (setter x)" (cons 'misc-error ".*")
    (set! (setter car) noop))

  (pass-if "car"
    (eq? set-car! (setter car))))