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guile/test-suite/tests/strings.test

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Scheme

;;;; strings.test --- test suite for Guile's string functions -*- scheme -*-
;;;; Jim Blandy <jimb@red-bean.com> --- August 1999
;;;;
;;;; Copyright (C) 1999, 2001, 2004, 2005 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., 51 Franklin Street, Fifth Floor,
;;;; Boston, MA 02110-1301 USA
(use-modules (test-suite lib))
(define exception:read-only-string
(cons 'misc-error "^string is read-only"))
(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!"
(pass-if-exception "read-only string"
exception:read-only-string
(string-set! (substring/read-only "abc" 0) 1 #\space)))
(with-test-prefix "string-split"
;; in guile 1.6.7 and earlier, character >=128 wasn't matched in the string
(pass-if "char 255"
(equal? '("a" "b")
(string-split (string #\a (integer->char 255) #\b)
(integer->char 255)))))
(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)))
(with-test-prefix "substring/shared"
(pass-if "modify indirectly"
(let ((str (string-copy "foofoofoo")))
(string-upcase! (substring/shared str 3 6))
(string=? str "fooFOOfoo")))
(pass-if "modify cow indirectly"
(let* ((str1 (string-copy "foofoofoo"))
(str2 (string-copy str1)))
(string-upcase! (substring/shared str2 3 6))
(and (string=? str1 "foofoofoo")
(string=? str2 "fooFOOfoo"))))
(pass-if "modify double indirectly"
(let* ((str1 (string-copy "foofoofoo"))
(str2 (substring/shared str1 2 7)))
(string-upcase! (substring/shared str2 1 4))
(string=? str1 "fooFOOfoo")))
(pass-if "modify cow double indirectly"
(let* ((str1 "foofoofoo")
(str2 (substring str1 2 7)))
(string-upcase! (substring/shared str2 1 4))
(and (string=? str1 "foofoofoo")
(string=? str2 "oFOOf")))))