1 ;;; -*- coding: iso-8859-1 -*-
3 ;; Copyright (C) 2000 Free Software Foundation, Inc.
5 ;; Author: Yoshiki Hayashi <yoshiki@xemacs.org>
6 ;; Maintainer: Yoshiki Hayashi <yoshiki@xemacs.org>
10 ;; This file is part of XEmacs.
12 ;; XEmacs is free software; you can redistribute it and/or modify it
13 ;; under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; XEmacs is distributed in the hope that it will be useful, but
18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 ;; General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with XEmacs; see the file COPYING. If not, write to the Free
24 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
27 ;;; Synched up with: Not in FSF.
31 ;; Test regular expression.
33 (Check-Error-Message error "Trailing backslash"
34 (string-match "\\" "a"))
35 (Check-Error-Message error "Invalid preceding regular expression"
36 (string-match "a++" "a"))
37 (Check-Error-Message error "Invalid preceding regular expression"
38 (string-match "a**" "a"))
39 (Check-Error-Message error "Invalid preceding regular expression"
40 (string-match "a???" "a"))
41 (Check-Error-Message error "Unmatched \\[ or \\[^"
42 (string-match "[" "a"))
43 (Check-Error-Message error "Unmatched \\[ or \\[^"
44 (string-match "[abc" "a"))
45 (Check-Error-Message error "Unmatched ) or \\\\)"
46 (string-match "\\)" "a"))
47 (Check-Error-Message error "Invalid regular expression"
48 (string-match "\\(?.\\)" "a"))
49 (Check-Error-Message error "Unmatched \\\\{"
50 (string-match "a\\{" "a"))
51 (Check-Error-Message error "Invalid content of \\\\{\\\\}"
52 (string-match "a\\{a\\}" "a"))
59 (Assert (string-match "ä" "ä"))
60 (Assert (string-match "ä" "Ä"))
61 (Assert (string-match "Ä" "Ä"))
62 (Assert (string-match "Ä" "ä"))
64 (setq case-fold-search nil)
65 (Assert (string-match "ä" "ä"))
66 (Assert (not (string-match "ä" "Ä")))
67 (Assert (string-match "Ä" "Ä"))
68 (Assert (not (string-match "Ä" "ä"))))
74 (goto-char (point-min))
75 (Assert (looking-at "ä"))
76 (Assert (looking-at "Ä"))
78 (Assert (looking-at "ä"))
79 (Assert (looking-at "Ä"))
81 (setq case-fold-search nil)
82 (goto-char (point-min))
83 (Assert (looking-at "ä"))
84 (Assert (not (looking-at "Ä")))
86 (Assert (not (looking-at "ä")))
87 (Assert (looking-at "Ä")))
89 ;; re-search-forward and re-search-backward
94 (goto-char (point-min))
95 ;; Avoid trivial regexp.
96 (Assert (eq 2 (re-search-forward "ä\\|a" nil t)))
97 (goto-char (point-min))
98 (Assert (eq 2 (re-search-forward "Ä\\|a" nil t)))
99 (goto-char (1+ (point-min)))
100 (Assert (eq 3 (re-search-forward "ä\\|a" nil t)))
101 (goto-char (1+ (point-min)))
102 (Assert (eq 3 (re-search-forward "Ä\\|a" nil t)))
104 (goto-char (point-max))
105 (Assert (eq 2 (re-search-backward "ä\\|a" nil t)))
106 (goto-char (point-max))
107 (Assert (eq 2 (re-search-backward "Ä\\|a" nil t)))
108 (goto-char (1- (point-max)))
109 (Assert (eq 1 (re-search-backward "ä\\|a" nil t)))
110 (goto-char (1- (point-max)))
111 (Assert (eq 1 (re-search-backward "Ä\\|a" nil t)))
113 (setq case-fold-search nil)
115 (goto-char (point-min))
116 (Assert (eq 2 (re-search-forward "ä\\|a" nil t)))
117 (goto-char (point-min))
118 (Assert (eq 3 (re-search-forward "Ä\\|a" nil t)))
119 (goto-char (1+ (point-min)))
120 (Assert (not (re-search-forward "ä\\|a" nil t)))
121 (goto-char (1+ (point-min)))
122 (Assert (eq 3 (re-search-forward "Ä\\|a" nil t)))
124 (goto-char (point-max))
125 (Assert (eq 1 (re-search-backward "ä\\|a" nil t)))
126 (goto-char (point-max))
127 (Assert (eq 2 (re-search-backward "Ä\\|a" nil t)))
128 (goto-char (1- (point-max)))
129 (Assert (eq 1 (re-search-backward "ä\\|a" nil t)))
130 (goto-char (1- (point-max)))
131 (Assert (not (re-search-backward "Ä\\|a" nil t))))
136 (Assert (string-match "^\\(ä\\)\\1$" "ää"))
137 (Assert (string-match "^\\(ä\\)\\1$" "äÄ"))
138 (Assert (string-match "^\\(ä\\)\\1$" "ÄÄ"))
139 (Assert (string-match "^\\(ä\\)\\1$" "Ää"))
140 (Assert (string-match "^\\(Ä\\)\\1$" "ää"))
141 (Assert (string-match "^\\(Ä\\)\\1$" "äÄ"))
142 (Assert (string-match "^\\(Ä\\)\\1$" "ÄÄ"))
143 (Assert (string-match "^\\(Ä\\)\\1$" "Ää"))
145 (setq case-fold-search nil)
146 (Assert (string-match "^\\(ä\\)\\1$" "ää"))
147 (Assert (not (string-match "^\\(ä\\)\\1$" "äÄ")))
148 (Assert (not (string-match "^\\(ä\\)\\1$" "ÄÄ")))
149 (Assert (not (string-match "^\\(ä\\)\\1$" "Ää")))
150 (Assert (not (string-match "^\\(Ä\\)\\1$" "ää")))
151 (Assert (not (string-match "^\\(Ä\\)\\1$" "äÄ")))
152 (Assert (string-match "^\\(Ä\\)\\1$" "ÄÄ"))
153 (Assert (not (string-match "^\\(Ä\\)\\1$" "Ää"))))
155 ;; charset, charset_not
156 ;; Not called because it takes too much time.
157 (defun test-regexp-charset-paranoid ()
159 (max (expt 2 (if (featurep 'mule) 19 8)))
164 (when (setq char (int-to-char i))
165 (setq string (char-to-string char))
166 (if (or (and (<= 65 i)
171 (Assert (string-match range string))
172 (Assert (not (string-match range-not string))))
173 (Assert (not (string-match range string)))
174 (Assert (string-match range-not string))))
177 ;; (test-regexp-charset-paranoid)
179 ;; charset_mule, charset_mule_not
180 ;; Not called because it takes too much time.
181 (defun test-regex-charset-mule-paranoid ()
185 (range (format "[%c-%c]"
186 (make-char 'japanese-jisx0208 36 34)
187 (make-char 'japanese-jisx0208 36 42)))
188 (range-not (format "[^%c-%c]"
189 (make-char 'japanese-jisx0208 36 34)
190 (make-char 'japanese-jisx0208 36 42)))
191 (min-int (char-to-int (make-char 'japanese-jisx0208 36 34)))
192 (max-int (char-to-int (make-char 'japanese-jisx0208 36 42)))
195 (when (setq char (int-to-char i))
196 (setq string (char-to-string char))
197 (if (and (<= min-int i)
200 (Assert (string-match range string))
201 (Assert (not (string-match range-not string))))
202 (Assert (not (string-match range string)))
203 (Assert (string-match range-not string))))
206 ;; (test-regex-charset-mule-paranoid)
208 ;; Test replace-match
210 (insert "This is a test buffer.")
211 (goto-char (point-min))
212 (search-forward "this is a test ")
213 (looking-at "Unmatchable text")
215 (Assert (looking-at "^buffer.$")))
217 ;; Test that trivial regexps reset unused registers
218 ;; Thanks to Martin Sternholm for the report.
219 ;; xemacs-beta <5blm6h2ki5.fsf@lister.roxen.com>
222 (goto-char (point-min))
223 (re-search-forward "\\(a\\)")
224 ;; test the whole-match data, too -- one try scotched that, too!
225 (Assert (string= (match-string 0) "a"))
226 (Assert (string= (match-string 1) "a"))
227 (re-search-forward "b")
228 (Assert (string= (match-string 0) "b"))
229 (Assert (not (match-string 1))))
231 ;; Test word boundaries
232 (Assert (= (string-match " \\<a" " a") 0))
233 (Assert (= (string-match "a\\> " "a ") 0))
234 (Assert (= (string-match " \\ba" " a") 0))
235 (Assert (= (string-match "a\\b " "a ") 0))
236 (Assert (= (string-match "\\ba" " a") 1))
237 (Assert (= (string-match "a\\b" "a ") 0))
238 ;; should work at target boundaries
239 (Assert (= (string-match "\\<a" "a") 0))
240 (Assert (= (string-match "a\\>" "a") 0))
241 (Assert (= (string-match "\\ba" "a") 0))
242 (Assert (= (string-match "a\\b" "a") 0))
243 ;; but not if the "word" would be on the null side of the boundary!
244 (Assert (not (string-match "\\<" "")))
245 (Assert (not (string-match "\\>" "")))
246 (Assert (not (string-match " \\<" " ")))
247 (Assert (not (string-match "\\> " " ")))
248 (Assert (not (string-match "a\\<" "a")))
249 (Assert (not (string-match "\\>a" "a")))
250 ;; Added Known-Bug 2002-09-09 sjt
251 ;; These are now fixed 2003-03-21 sjt
252 (Assert (not (string-match "\\b" "")))
253 (Assert (not (string-match " \\b" " ")))
254 (Assert (not (string-match "\\b " " ")))
258 ;; note: (int-to-char 65) => ?A
259 (let ((ch0 (make-char 'japanese-jisx0208 52 65))
260 (ch1 (make-char 'japanese-jisx0208 51 65)))
261 (Assert (not (string-match "A" (string ch0))))
262 (Assert (not (string-match "[A]" (string ch0))))
263 (Assert (eq (string-match "[^A]" (string ch0)) 0))
264 (Assert (not (string-match "@A" (string ?@ ch0))))
265 (Assert (not (string-match "@[A]" (string ?@ ch0))))
266 (Assert (eq (string-match "@[^A]" (string ?@ ch0)) 0))
267 (Assert (not (string-match "@?A" (string ?@ ch0))))
268 (Assert (not (string-match "A" (string ch1))))
269 (Assert (not (string-match "[A]" (string ch1))))
270 (Assert (eq (string-match "[^A]" (string ch1)) 0))
271 (Assert (not (string-match "@A" (string ?@ ch1))))
272 (Assert (not (string-match "@[A]" (string ?@ ch1))))
273 (Assert (eq (string-match "@[^A]" (string ?@ ch1)) 0))
274 (Assert (not (string-match "@?A" (string ?@ ch1))))))
276 ;; More stale match data tests.
277 ;; Thanks to <bjacob@ca.metsci.com> for drawing attention to this issue.
278 ;; Flying in the face of sanity, the Asserts with positive results below are
279 ;; correct. Too much code depends on failed matches preserving match-data.
281 (Assert (string= (progn (string-match "a" a)
285 (Assert (not (progn (string-match "a" a)
287 (match-string 1 a))))
288 ;; test both for the second match is a plain string match and a regexp match
289 (Assert (string= (progn (string-match "\\(a\\)" a)
290 (string-match "\\(b\\)" a)
293 (Assert (string= (progn (string-match "\\(a\\)" a)
297 (Assert (string= (progn (string-match "\\(a\\)" a)
298 (string-match "\\(b\\)" a)
301 (Assert (string= (progn (string-match "\\(a\\)" a)