;;;; strings.test --- test suite for Guile's string functions    -*- scheme -*-
;;;; Jim Blandy <jimb@red-bean.com> --- August 1999
;;;;
;;;; Copyright (C) 1999, 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


;; 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"))


(with-test-prefix "string=?"

  (pass-if "respects 1st parameter's string length"
    (not (string=? "foo\0" "foo")))

  (pass-if "respects 2nd paramter's string length"
    (not (string=? "foo" "foo\0")))

  (with-test-prefix "wrong argument type"

    (pass-if-exception "1st argument symbol"
      exception:wrong-type-arg
      (string=? 'a "a"))

    (pass-if-exception "2nd argument symbol"
      exception:wrong-type-arg
      (string=? "a" 'b))))

(with-test-prefix "string<?"

  (pass-if "respects string length"
    (and (not (string<? "foo\0a" "foo\0a"))
	 (string<? "foo\0a" "foo\0b")))

  (with-test-prefix "wrong argument type"

    (pass-if-exception "1st argument symbol"
      exception:wrong-type-arg
      (string<? 'a "a"))

    (pass-if-exception "2nd argument symbol"
      exception:wrong-type-arg
      (string<? "a" 'b))))

(with-test-prefix "string-ci<?"

  (pass-if "respects string length"
    (and (not (string-ci<? "foo\0a" "foo\0a"))
	 (string-ci<? "foo\0a" "foo\0b")))

  (with-test-prefix "wrong argument type"

    (pass-if-exception "1st argument symbol"
      exception:wrong-type-arg
      (string-ci<? 'a "a"))

    (pass-if-exception "2nd argument symbol"
      exception:wrong-type-arg
      (string-ci<? "a" 'b))))

(with-test-prefix "string-set!"

  (expect-fail-exception "string constant"
    exception:immutable-string
    (string-set! "abc" 1 #\space)))

(with-test-prefix "substring-move!"

  (pass-if-exception "substring-move! checks start and end correctly"
    exception:out-of-range
    (substring-move! "sample" 3 0 "test" 3)))