[bpt/guile.git] / test-suite / tests / symbols.test

;;;; symbols.test --- test suite for Guile's symbols    -*- scheme -*-
;;;;
;;;; Copyright (C) 2001 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 (ice-9 documentation))


;;;
;;; miscellaneous
;;;

;; FIXME:  As soon as guile supports immutable strings, this has to be
;; replaced with the appropriate error type and message.
(define exception:immutable-string
  (cons 'some-error-type "^trying to modify an immutable string"))

(define (documented? object)
  (not (not (object-documentation object))))


;;;
;;; symbol?
;;;

(with-test-prefix "symbol?"

  (pass-if "documented?"
    (documented? symbol?))

  (pass-if "string"
    (not (symbol? "foo")))

  (pass-if "symbol"
    (symbol? 'foo)))


;;;
;;; symbol->string
;;;

(with-test-prefix "symbol->string"

  (expect-fail-exception "result is an immutable string"
    exception:immutable-string
    (string-set! (symbol->string 'abc) 1 #\space)))


;;;
;;; gensym
;;;

(with-test-prefix "gensym"

  (pass-if "documented?"
    (documented? gensym))

  (pass-if "produces a symbol"
    (symbol? (gensym)))

  (pass-if "produces a fresh symbol"
    (not (eq? (gensym) (gensym))))

  (pass-if "accepts a string prefix"
    (symbol? (gensym "foo")))

  (pass-if-exception "does not accept a symbol prefix"
    exception:wrong-type-arg
    (gensym 'foo))

  (pass-if "accepts long prefices"
    (symbol? (gensym (make-string 4000 #\!))))

  (pass-if "accepts embedded NULs"
    (> (string-length (symbol->string (gensym "foo\0bar\0braz\0foo\0bar\0braz\0foo\0bar\0braz\0foo\0bar\0braz\0foo\0bar\0braz\0foo\0bar\0braz\0"))) 6)))
Commit	Line	Data
049fa449 DH	1	;;;; symbols.test --- test suite for Guile's symbols -- scheme --
	2	;;;;
	3	;;;; Copyright (C) 2001 Free Software Foundation, Inc.
	4	;;;;
	5	;;;; This program is free software; you can redistribute it and/or modify
	6	;;;; it under the terms of the GNU General Public License as published by
	7	;;;; the Free Software Foundation; either version 2, or (at your option)
	8	;;;; any later version.
	9	;;;;
	10	;;;; This program 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
	13	;;;; GNU General Public License for more details.
	14	;;;;
	15	;;;; You should have received a copy of the GNU General Public License
	16	;;;; along with this software; see the file COPYING. If not, write to
	17	;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
	18	;;;; Boston, MA 02111-1307 USA
	19
f5e64558 DH	20	(use-modules (ice-9 documentation))
	21
	22
	23	;;;
	24	;;; miscellaneous
	25	;;;
049fa449 DH	26
	27	;; FIXME: As soon as guile supports immutable strings, this has to be
	28	;; replaced with the appropriate error type and message.
	29	(define exception:immutable-string
	30	(cons 'some-error-type "^trying to modify an immutable string"))
	31
f5e64558 DH	32	(define (documented? object)
	33	(not (not (object-documentation object))))
	34
	35
	36	;;;
	37	;;; symbol?
	38	;;;
	39
	40	(with-test-prefix "symbol?"
	41
	42	(pass-if "documented?"
	43	(documented? symbol?))
	44
	45	(pass-if "string"
	46	(not (symbol? "foo")))
	47
	48	(pass-if "symbol"
	49	(symbol? 'foo)))
	50
	51
	52	;;;
	53	;;; symbol->string
	54	;;;
049fa449 DH	55
	56	(with-test-prefix "symbol->string"
	57
	58	(expect-fail-exception "result is an immutable string"
	59	exception:immutable-string
	60	(string-set! (symbol->string 'abc) 1 #\space)))
f5e64558 DH	61
	62
	63	;;;
	64	;;; gensym
	65	;;;
	66
	67	(with-test-prefix "gensym"
	68
	69	(pass-if "documented?"
	70	(documented? gensym))
	71
	72	(pass-if "produces a symbol"
	73	(symbol? (gensym)))
	74
	75	(pass-if "produces a fresh symbol"
	76	(not (eq? (gensym) (gensym))))
	77
	78	(pass-if "accepts a string prefix"
	79	(symbol? (gensym "foo")))
	80
	81	(pass-if-exception "does not accept a symbol prefix"
	82	exception:wrong-type-arg
24ecf16c MG	83	(gensym 'foo))
	84
	85	(pass-if "accepts long prefices"
	86	(symbol? (gensym (make-string 4000 #\!))))
	87
	88	(pass-if "accepts embedded NULs"
	89	(> (string-length (symbol->string (gensym "foo\0bar\0braz\0foo\0bar\0braz\0foo\0bar\0braz\0foo\0bar\0braz\0foo\0bar\0braz\0foo\0bar\0braz\0"))) 6)))
	90