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Diffstat (limited to 'test/src/regex-tests.el')
| -rw-r--r-- | test/src/regex-tests.el | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/test/src/regex-tests.el b/test/src/regex-tests.el new file mode 100644 index 0000000000..00165ab051 --- /dev/null +++ b/test/src/regex-tests.el @@ -0,0 +1,92 @@ +;;; regex-tests.el --- tests for regex.c functions -*- lexical-binding: t -*- + +;; Copyright (C) 2015-2016 Free Software Foundation, Inc. + +;; This file is part of GNU Emacs. + +;; GNU Emacs 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 3 of the License, or +;; (at your option) any later version. + +;; GNU Emacs 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>. + +;;; Code: + +(require 'ert) + +(ert-deftest regex-word-cc-fallback-test () + "Test that ‘[[:cc:]]*x’ matches ‘x’ (bug#24020). + +Test that a regex of the form \"[[:cc:]]*x\" where CC is +a character class which matches a multibyte character X, matches +string \"x\". + +For example, ‘[[:word:]]*\u2620’ regex (note: \u2620 is a word +character) must match a string \"\u2420\"." + (dolist (class '("[[:word:]]" "\\sw")) + (dolist (repeat '("*" "+")) + (dolist (suffix '("" "b" "bar" "\u2620")) + (dolist (string '("" "foo")) + (when (not (and (string-equal repeat "+") + (string-equal string ""))) + (should (string-match (concat "^" class repeat suffix "$") + (concat string suffix))))))))) + +(defun regex--test-cc (name matching not-matching) + (should (string-match-p (concat "^[[:" name ":]]*$") matching)) + (should (string-match-p (concat "^[[:" name ":]]*?\u2622$") + (concat matching "\u2622"))) + (should (string-match-p (concat "^[^[:" name ":]]*$") not-matching)) + (should (string-match-p (concat "^[^[:" name ":]]*\u2622$") + (concat not-matching "\u2622"))) + (with-temp-buffer + (insert matching) + (let ((p (point))) + (insert not-matching) + (goto-char (point-min)) + (skip-chars-forward (concat "[:" name ":]")) + (should (equal (point) p)) + (skip-chars-forward (concat "^[:" name ":]")) + (should (equal (point) (point-max))) + (goto-char (point-min)) + (skip-chars-forward (concat "[:" name ":]\u2622")) + (should (or (equal (point) p) (equal (point) (1+ p))))))) + +(ert-deftest regex-character-classes () + "Perform sanity test of regexes using character classes. + +Go over all the supported character classes and test whether the +classes and their inversions match what they are supposed to +match. The test is done using `string-match-p' as well as +`skip-chars-forward'." + (let (case-fold-search) + (regex--test-cc "alnum" "abcABC012łąka" "-, \t\n") + (regex--test-cc "alpha" "abcABCłąka" "-,012 \t\n") + (regex--test-cc "digit" "012" "abcABCłąka-, \t\n") + (regex--test-cc "xdigit" "0123aBc" "łąk-, \t\n") + (regex--test-cc "upper" "ABCŁĄKA" "abc012-, \t\n") + (regex--test-cc "lower" "abcłąka" "ABC012-, \t\n") + + (regex--test-cc "word" "abcABC012\u2620" "-, \t\n") + + (regex--test-cc "punct" ".,-" "abcABC012\u2620 \t\n") + (regex--test-cc "cntrl" "\1\2\t\n" ".,-abcABC012\u2620 ") + (regex--test-cc "graph" "abcłąka\u2620-," " \t\n\1") + (regex--test-cc "print" "abcłąka\u2620-, " "\t\n\1") + + (regex--test-cc "space" " \t\n\u2001" "abcABCł0123") + (regex--test-cc "blank" " \t" "\n\u2001") + + (regex--test-cc "ascii" "abcABC012 \t\n\1" "łą\u2620") + (regex--test-cc "nonascii" "łą\u2622" "abcABC012 \t\n\1") + (regex--test-cc "unibyte" "abcABC012 \t\n\1" "łą\u2622") + (regex--test-cc "multibyte" "łą\u2622" "abcABC012 \t\n\1"))) + +;;; regex-tests.el ends here |