Change Guile license to LGPLv3+

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

;;;; symbols.test --- test suite for Guile's symbols    -*- scheme -*-
;;;;
;;;; Copyright (C) 2001, 2006, 2008 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-symbols)
  #:use-module (test-suite lib)
  #:use-module (ice-9 documentation))


;;;
;;; miscellaneous
;;;

(define exception:immutable-string
  (cons 'misc-error "^string is read-only"))

(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"

  (pass-if-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)))