--- /dev/null
+;;; -*- coding: iso-8859-1 -*-
+
+;; Copyright (C) 2000 Free Software Foundation, Inc.
+
+;; Author: Yoshiki Hayashi <yoshiki@xemacs.org>
+;; Maintainer: Yoshiki Hayashi <yoshiki@xemacs.org>
+;; Created: 2000
+;; Keywords: tests
+
+;; This file is part of XEmacs.
+
+;; XEmacs 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.
+
+;; XEmacs 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 XEmacs; see the file COPYING. If not, write to the Free
+;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+;; 02111-1307, USA.
+
+;;; Synched up with: Not in FSF.
+
+;;; Commentary:
+
+;; Test regular expression.
+
+(Check-Error-Message error "Trailing backslash"
+ (string-match "\\" "a"))
+(Check-Error-Message error "Invalid preceding regular expression"
+ (string-match "a++" "a"))
+(Check-Error-Message error "Invalid preceding regular expression"
+ (string-match "a**" "a"))
+(Check-Error-Message error "Invalid preceding regular expression"
+ (string-match "a???" "a"))
+(Check-Error-Message error "Unmatched \\[ or \\[^"
+ (string-match "[" "a"))
+(Check-Error-Message error "Unmatched \\[ or \\[^"
+ (string-match "[abc" "a"))
+(Check-Error-Message error "Unmatched ) or \\\\)"
+ (string-match "\\)" "a"))
+(Check-Error-Message error "Invalid regular expression"
+ (string-match "\\(?.\\)" "a"))
+(Check-Error-Message error "Unmatched \\\\{"
+ (string-match "a\\{" "a"))
+(Check-Error-Message error "Invalid content of \\\\{\\\\}"
+ (string-match "a\\{a\\}" "a"))
+
+;; exactn
+
+;; string-match
+(with-temp-buffer
+ ;; case-insensitive
+ (Assert (string-match "ä" "ä"))
+ (Assert (string-match "ä" "Ä"))
+ (Assert (string-match "Ä" "Ä"))
+ (Assert (string-match "Ä" "ä"))
+ ;; case-sensitive
+ (setq case-fold-search nil)
+ (Assert (string-match "ä" "ä"))
+ (Assert (not (string-match "ä" "Ä")))
+ (Assert (string-match "Ä" "Ä"))
+ (Assert (not (string-match "Ä" "ä"))))
+
+;; looking-at
+(with-temp-buffer
+ (insert "äÄ")
+ ;; case-insensitive
+ (goto-char (point-min))
+ (Assert (looking-at "ä"))
+ (Assert (looking-at "Ä"))
+ (forward-char)
+ (Assert (looking-at "ä"))
+ (Assert (looking-at "Ä"))
+ ;; case-sensitive
+ (setq case-fold-search nil)
+ (goto-char (point-min))
+ (Assert (looking-at "ä"))
+ (Assert (not (looking-at "Ä")))
+ (forward-char)
+ (Assert (not (looking-at "ä")))
+ (Assert (looking-at "Ä")))
+
+;; re-search-forward and re-search-backward
+(with-temp-buffer
+ (insert "äÄ")
+ ;; case insensitive
+ ;; forward
+ (goto-char (point-min))
+ ;; Avoid trivial regexp.
+ (Assert (eq 2 (re-search-forward "ä\\|a" nil t)))
+ (goto-char (point-min))
+ (Assert (eq 2 (re-search-forward "Ä\\|a" nil t)))
+ (goto-char (1+ (point-min)))
+ (Assert (eq 3 (re-search-forward "ä\\|a" nil t)))
+ (goto-char (1+ (point-min)))
+ (Assert (eq 3 (re-search-forward "Ä\\|a" nil t)))
+ ;; backward
+ (goto-char (point-max))
+ (Assert (eq 2 (re-search-backward "ä\\|a" nil t)))
+ (goto-char (point-max))
+ (Assert (eq 2 (re-search-backward "Ä\\|a" nil t)))
+ (goto-char (1- (point-max)))
+ (Assert (eq 1 (re-search-backward "ä\\|a" nil t)))
+ (goto-char (1- (point-max)))
+ (Assert (eq 1 (re-search-backward "Ä\\|a" nil t)))
+ ;; case sensitive
+ (setq case-fold-search nil)
+ ;; forward
+ (goto-char (point-min))
+ (Assert (eq 2 (re-search-forward "ä\\|a" nil t)))
+ (goto-char (point-min))
+ (Assert (eq 3 (re-search-forward "Ä\\|a" nil t)))
+ (goto-char (1+ (point-min)))
+ (Assert (not (re-search-forward "ä\\|a" nil t)))
+ (goto-char (1+ (point-min)))
+ (Assert (eq 3 (re-search-forward "Ä\\|a" nil t)))
+ ;; backward
+ (goto-char (point-max))
+ (Assert (eq 1 (re-search-backward "ä\\|a" nil t)))
+ (goto-char (point-max))
+ (Assert (eq 2 (re-search-backward "Ä\\|a" nil t)))
+ (goto-char (1- (point-max)))
+ (Assert (eq 1 (re-search-backward "ä\\|a" nil t)))
+ (goto-char (1- (point-max)))
+ (Assert (not (re-search-backward "Ä\\|a" nil t))))
+
+;; duplicate
+(with-temp-buffer
+ ;; case insensitive
+ (Assert (string-match "^\\(ä\\)\\1$" "ää"))
+ (Assert (string-match "^\\(ä\\)\\1$" "äÄ"))
+ (Assert (string-match "^\\(ä\\)\\1$" "ÄÄ"))
+ (Assert (string-match "^\\(ä\\)\\1$" "Ää"))
+ (Assert (string-match "^\\(Ä\\)\\1$" "ää"))
+ (Assert (string-match "^\\(Ä\\)\\1$" "äÄ"))
+ (Assert (string-match "^\\(Ä\\)\\1$" "ÄÄ"))
+ (Assert (string-match "^\\(Ä\\)\\1$" "Ää"))
+ ;; case sensitive
+ (setq case-fold-search nil)
+ (Assert (string-match "^\\(ä\\)\\1$" "ää"))
+ (Assert (not (string-match "^\\(ä\\)\\1$" "äÄ")))
+ (Assert (not (string-match "^\\(ä\\)\\1$" "ÄÄ")))
+ (Assert (not (string-match "^\\(ä\\)\\1$" "Ää")))
+ (Assert (not (string-match "^\\(Ä\\)\\1$" "ää")))
+ (Assert (not (string-match "^\\(Ä\\)\\1$" "äÄ")))
+ (Assert (string-match "^\\(Ä\\)\\1$" "ÄÄ"))
+ (Assert (not (string-match "^\\(Ä\\)\\1$" "Ää"))))
+
+;; multiple-match
+;; Thanks to Manfred Bartz <MBartz@xix.com>
+;; c.e.x <vn4rkkm7ouf3b5@corp.supernews.com>
+;; #### Need to do repetitions of more complex regexps
+;; #### WASH ME!
+(with-temp-buffer
+ (Assert (not (string-match "^a\\{4,4\\}$" "aaa")))
+ (Assert (string-match "^a\\{4,4\\}$" "aaaa"))
+ (Assert (not (string-match "^a\\{4,4\\}$" "aaaaa")))
+ (Assert (not (string-match "^[a]\\{4,4\\}$" "aaa")))
+ (Assert (string-match "^[a]\\{4,4\\}$" "aaaa"))
+ (Assert (not (string-match "^[a]\\{4,4\\}$" "aaaaa")))
+ (Assert (not (string-match "^\\(a\\)\\{4,4\\}$" "aaa")))
+ (Assert (string-match "^\\(a\\)\\{4,4\\}$" "aaaa"))
+ (Assert (not (string-match "^\\(a\\)\\{4,4\\}$" "aaaaa")))
+ ;; Use class because repetition of single char broken in 21.5.15
+ (Assert (not (string-match "^[a]\\{3,5\\}$" "aa")))
+ (Assert (string-match "^[a]\\{3,5\\}$" "aaa"))
+ (Assert (string-match "^[a]\\{3,5\\}$" "aaaa"))
+ (Assert (string-match "^[a]\\{3,5\\}$" "aaaaa"))
+ (Assert (not (string-match "^[a]\\{3,5\\}$" "aaaaaa")))
+ (insert "\
+aa
+aaa
+aaaa
+aaaaa
+aaaaaa
+baaaa
+")
+ (goto-char (point-min))
+ (forward-line 1)
+ (Assert (not (looking-at "^a\\{4,4\\}$")))
+ (forward-line 1)
+ (Assert (looking-at "^a\\{4,4\\}$"))
+ (forward-line 1)
+ (Assert (not (looking-at "^a\\{4,4\\}$")))
+ (goto-char (point-min))
+ (forward-line 1)
+ (Assert (not (looking-at "^[a]\\{4,4\\}$")))
+ (forward-line 1)
+ (Assert (looking-at "^[a]\\{4,4\\}$"))
+ (forward-line 1)
+ (Assert (not (looking-at "^[a]\\{4,4\\}$")))
+ (goto-char (point-min))
+ (forward-line 1)
+ (Assert (not (looking-at "^\\(a\\)\\{4,4\\}$")))
+ (forward-line 1)
+ (Assert (looking-at "^\\(a\\)\\{4,4\\}$"))
+ (forward-line 1)
+ (Assert (not (looking-at "^\\(a\\)\\{4,4\\}$")))
+ ;; Use class because repetition of single char broken in 21.5.15
+ (goto-char (point-min))
+ (Assert (not (looking-at "^[a]\\{3,5\\}$")))
+ (forward-line 1)
+ (Assert (looking-at "^[a]\\{3,5\\}$"))
+ (forward-line 1)
+ (Assert (looking-at "^[a]\\{3,5\\}$"))
+ (forward-line 1)
+ (Assert (looking-at "^[a]\\{3,5\\}$"))
+ (forward-line 1)
+ (Assert (not (looking-at "^[a]\\{3,5\\}$")))
+ (goto-char (point-min))
+ (Assert (= 12 (re-search-forward "a\\{4,4\\}")))
+ (goto-char (point-min))
+ (Assert (= 12 (re-search-forward "b?a\\{4,4\\}")))
+ (goto-char (point-min))
+ (Assert (= 31 (re-search-forward "ba\\{4,4\\}")))
+ (goto-char (point-min))
+ (Assert (= 31 (re-search-forward "[b]a\\{4,4\\}")))
+ (goto-char (point-min))
+ (Assert (= 31 (re-search-forward "\\(b\\)a\\{4,4\\}")))
+ (goto-char (point-min))
+ (Assert (= 12 (re-search-forward "^a\\{4,4\\}")))
+ (goto-char (point-min))
+ (Assert (= 12 (re-search-forward "^a\\{4,4\\}$")))
+ (goto-char (point-min))
+ (Assert (= 12 (re-search-forward "[a]\\{4,4\\}")))
+ (goto-char (point-min))
+ (Assert (= 12 (re-search-forward "^[a]\\{4,4\\}")))
+ (goto-char (point-min))
+ (Assert (= 12 (re-search-forward "^[a]\\{4,4\\}$")))
+ )
+
+;; charset, charset_not
+;; Not called because it takes too much time.
+(defun test-regexp-charset-paranoid ()
+ (let ((i 0)
+ (max (expt 2 (if (featurep 'mule) 19 8)))
+ (range "[a-z]")
+ (range-not "[^a-z]")
+ char string)
+ (while (< i max)
+ (when (setq char (int-to-char i))
+ (setq string (char-to-string char))
+ (if (or (and (<= 65 i)
+ (<= i 90))
+ (and (<= 97 i)
+ (<= i 122)))
+ (progn
+ (Assert (string-match range string))
+ (Assert (not (string-match range-not string))))
+ (Assert (not (string-match range string)))
+ (Assert (string-match range-not string))))
+ (setq i (1+ i)))))
+
+;; (test-regexp-charset-paranoid)
+
+;; charset_mule, charset_mule_not
+;; Not called because it takes too much time.
+(defun test-regex-charset-mule-paranoid ()
+ (if (featurep 'mule)
+ (let ((i 0)
+ (max (expt 2 19))
+ (range (format "[%c-%c]"
+ (make-char 'japanese-jisx0208 36 34)
+ (make-char 'japanese-jisx0208 36 42)))
+ (range-not (format "[^%c-%c]"
+ (make-char 'japanese-jisx0208 36 34)
+ (make-char 'japanese-jisx0208 36 42)))
+ (min-int (char-to-int (make-char 'japanese-jisx0208 36 34)))
+ (max-int (char-to-int (make-char 'japanese-jisx0208 36 42)))
+ char string)
+ (while (< i max)
+ (when (setq char (int-to-char i))
+ (setq string (char-to-string char))
+ (if (and (<= min-int i)
+ (<= i max-int))
+ (progn
+ (Assert (string-match range string))
+ (Assert (not (string-match range-not string))))
+ (Assert (not (string-match range string)))
+ (Assert (string-match range-not string))))
+ (setq i (1+ i))))))
+
+;; (test-regex-charset-mule-paranoid)
+
+;; Test replace-match
+(with-temp-buffer
+ (insert "This is a test buffer.")
+ (goto-char (point-min))
+ (search-forward "this is a test ")
+ (looking-at "Unmatchable text")
+ (replace-match "")
+ (Assert (looking-at "^buffer.$")))
+
+;; Test that trivial regexps reset unused registers
+;; Thanks to Martin Sternholm for the report.
+;; xemacs-beta <5blm6h2ki5.fsf@lister.roxen.com>
+(with-temp-buffer
+ (insert "ab")
+ (goto-char (point-min))
+ (re-search-forward "\\(a\\)")
+ ;; test the whole-match data, too -- one try scotched that, too!
+ (Assert (string= (match-string 0) "a"))
+ (Assert (string= (match-string 1) "a"))
+ (re-search-forward "b")
+ (Assert (string= (match-string 0) "b"))
+ (Assert (not (match-string 1))))
+
+;; Test word boundaries
+(Assert (= (string-match " \\<a" " a") 0))
+(Assert (= (string-match "a\\> " "a ") 0))
+(Assert (= (string-match " \\ba" " a") 0))
+(Assert (= (string-match "a\\b " "a ") 0))
+(Assert (= (string-match "\\ba" " a") 1))
+(Assert (= (string-match "a\\b" "a ") 0))
+;; should work at target boundaries
+(Assert (= (string-match "\\<a" "a") 0))
+(Assert (= (string-match "a\\>" "a") 0))
+(Assert (= (string-match "\\ba" "a") 0))
+(Assert (= (string-match "a\\b" "a") 0))
+;; but not if the "word" would be on the null side of the boundary!
+(Assert (not (string-match "\\<" "")))
+(Assert (not (string-match "\\>" "")))
+(Assert (not (string-match " \\<" " ")))
+(Assert (not (string-match "\\> " " ")))
+(Assert (not (string-match "a\\<" "a")))
+(Assert (not (string-match "\\>a" "a")))
+;; Added Known-Bug 2002-09-09 sjt
+;; These are now fixed 2003-03-21 sjt
+(Assert (not (string-match "\\b" "")))
+(Assert (not (string-match " \\b" " ")))
+(Assert (not (string-match "\\b " " ")))
+
+;; Added 2002-12-27
+(if (featurep 'mule)
+ ;; note: (int-to-char 65) => ?A
+ (let ((ch0 (make-char 'japanese-jisx0208 52 65))
+ (ch1 (make-char 'japanese-jisx0208 51 65)))
+ (Assert (not (string-match "A" (string ch0))))
+ (Assert (not (string-match "[A]" (string ch0))))
+ (Assert (eq (string-match "[^A]" (string ch0)) 0))
+ (Assert (not (string-match "@A" (string ?@ ch0))))
+ (Assert (not (string-match "@[A]" (string ?@ ch0))))
+ (Assert (eq (string-match "@[^A]" (string ?@ ch0)) 0))
+ (Assert (not (string-match "@?A" (string ?@ ch0))))
+ (Assert (not (string-match "A" (string ch1))))
+ (Assert (not (string-match "[A]" (string ch1))))
+ (Assert (eq (string-match "[^A]" (string ch1)) 0))
+ (Assert (not (string-match "@A" (string ?@ ch1))))
+ (Assert (not (string-match "@[A]" (string ?@ ch1))))
+ (Assert (eq (string-match "@[^A]" (string ?@ ch1)) 0))
+ (Assert (not (string-match "@?A" (string ?@ ch1))))))
+
+;; More stale match data tests.
+;; Thanks to <bjacob@ca.metsci.com> for drawing attention to this issue.
+;; Flying in the face of sanity, the Asserts with positive results below are
+;; correct. Too much code depends on failed matches preserving match-data.
+(let ((a "a"))
+ (Assert (string= (progn (string-match "a" a)
+ (string-match "b" a)
+ (match-string 0 a))
+ a))
+ (Assert (not (progn (string-match "a" a)
+ (string-match "b" a)
+ (match-string 1 a))))
+ ;; test both for the second match is a plain string match and a regexp match
+ (Assert (string= (progn (string-match "\\(a\\)" a)
+ (string-match "\\(b\\)" a)
+ (match-string 0 a))
+ a))
+ (Assert (string= (progn (string-match "\\(a\\)" a)
+ (string-match "b" a)
+ (match-string 0 a))
+ a))
+ (Assert (string= (progn (string-match "\\(a\\)" a)
+ (string-match "\\(b\\)" a)
+ (match-string 1 a))
+ a))
+ (Assert (string= (progn (string-match "\\(a\\)" a)
+ (string-match "b" a)
+ (match-string 1 a))
+ a)))
+
+;; bug identified by Katsumi Yamaoka 2004-09-03 <b9ywtzbbpue.fsf_-_@jpl.org>
+;; fix submitted by sjt 2004-09-08
+;; trailing comments are values from buggy 21.4.15
+(let ((text "abc"))
+ (Assert (eq 0 (string-match "\\(?:ab+\\)*c" text))) ; 2
+ (Assert (eq 0 (string-match "^\\(?:ab+\\)*c" text))) ; nil
+ (Assert (eq 0 (string-match "^\\(?:ab+\\)*" text))) ; 0
+ (Assert (eq 0 (string-match "^\\(?:ab+\\)c" text))) ; 0
+ (Assert (eq 0 (string-match "^\\(?:ab\\)*c" text))) ; 0
+ (Assert (eq 0 (string-match "^\\(?:a+\\)*b" text))) ; nil
+ (Assert (eq 0 (string-match "^\\(?:a\\)*b" text))) ; 0
+)
+
+;; per Steve Youngs 2004-09-30 <microsoft-free.87ekkjhj7t.fsf@youngs.au.com>
+;; fix submitted by sjt 2004-10-07
+;; trailing comments are values from buggy 21.4.pre16
+(let ((text "abc"))
+ (Assert (eq 0 (string-match "\\(?:a\\(b\\)\\)" text))) ; 0
+ (Assert (string= (match-string 1 text) "b")) ; ab
+ (Assert (null (match-string 2 text))) ; b
+ (Assert (null (match-string 3 text))) ; nil
+ (Assert (eq 0 (string-match "\\(?:a\\(?:b\\(c\\)\\)\\)" text))) ; 0
+ (Assert (string= (match-string 1 text) "c")) ; abc
+ (Assert (null (match-string 2 text))) ; ab
+ (Assert (null (match-string 3 text))) ; c
+ (Assert (null (match-string 4 text))) ; nil
+)
+
+;; trivial subpatterns and backreferences with shy groups
+(let ((text1 "abb")
+ (text2 "aba")
+ (re0 "\\(a\\)\\(b\\)\\2")
+ (re1 "\\(?:a\\)\\(b\\)\\2")
+ (re2 "\\(?:a\\)\\(b\\)\\1")
+ (re3 "\\(a\\)\\(?:b\\)\\1"))
+
+ (Assert (eq 0 (string-match re0 text1)))
+ (Assert (string= text1 (match-string 0 text1)))
+ (Assert (string= "a" (match-string 1 text1)))
+ (Assert (string= "b" (match-string 2 text1)))
+ (Assert (null (string-match re0 text2)))
+
+ (Check-Error-Message 'invalid-regexp "Invalid back reference"
+ (string-match re1 text1))
+
+ (Assert (eq 0 (string-match re2 text1)))
+ (Assert (string= text1 (match-string 0 text1)))
+ (Assert (string= "b" (match-string 1 text1)))
+ (Assert (null (match-string 2 text1)))
+ (Assert (null (string-match re2 text2)))
+
+ (Assert (null (string-match re3 text1)))
+ (Assert (eq 0 (string-match re3 text2)))
+ (Assert (string= text2 (match-string 0 text2)))
+ (Assert (string= "a" (match-string 1 text2)))
+ (Assert (null (match-string 2 text2)))
+
+ ;; Test Arnaud Giersch's shy group fix
+ (Assert (progn (string-match "\\(a\\)" "a")
+ (string-match "\\(?:a\\)" "a")
+ (not (match-beginning 1))))
+)
+
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