test/automated/subword-tests.el

   1 ;;; subword-tests.el --- Testing the subword rules
   2
   3 ;; Copyright (C) 2011-2015 Free Software Foundation, Inc.
   4
   5 ;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
   6 ;; Keywords:
   7
   8 ;; This program is free software; you can redistribute it and/or modify
   9 ;; it under the terms of the GNU General Public License as published by
  10 ;; the Free Software Foundation, either version 3 of the License, or
  11 ;; (at your option) any later version.
  12
  13 ;; This program is distributed in the hope that it will be useful,
  14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ;; GNU General Public License for more details.
  17
  18 ;; You should have received a copy of the GNU General Public License
  19 ;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 ;;; Commentary:
  22
  23 ;;
  24
  25 ;;; Code:
  26
  27 (require 'ert)
  28 (require 'subword)
  29
  30 (defconst subword-tests-strings
  31   '("ABC^" ;;Bug#13758
  32     "ABC^ ABC^Foo^ ABC^-Foo^ toto^ ABC^"))
  33
  34 (ert-deftest subword-tests ()
  35   "Test the `subword-mode' rules."
  36   (with-temp-buffer
  37     (dolist (str subword-tests-strings)
  38       (erase-buffer)
  39       (insert str)
  40       (goto-char (point-min))
  41       (while (search-forward "^" nil t)
  42         (replace-match ""))
  43       (goto-char (point-min))
  44       (while (not (eobp))
  45         (subword-forward 1)
  46         (insert "^"))
  47       (should (equal (buffer-string) str)))))
  48
  49 (ert-deftest subword-tests2 ()
  50   "Test that motion in subword-mode stops at the right places."
  51
  52   (let* ((line "fooBarBAZ quXD g_TESTThingAbc word BLAH test")
  53          (fwrd "*  *  *  *  * * *    *    *  *    *    *    *")
  54          (bkwd "*  *  *   * *  * *   *    *   *    *    *   *"))
  55
  56     (with-temp-buffer
  57       (subword-mode 1)
  58       (insert line)
  59
  60       ;; Test forward motion.
  61
  62       (goto-char (point-min))
  63       (let ((stops (make-string (length fwrd) ?\ )))
  64         (while (progn
  65                  (aset stops (1- (point)) ?\*)
  66                  (not (eobp)))
  67           (forward-word))
  68         (should (equal stops fwrd)))
  69
  70       ;; Test backward motion.
  71
  72       (goto-char (point-max))
  73       (let ((stops (make-string (length bkwd) ?\ )))
  74         (while (progn
  75                  (aset stops (1- (point)) ?\*)
  76                  (not (bobp)))
  77           (backward-word))
  78         (should (equal stops bkwd))))))
  79
  80 (provide 'subword-tests)
  81 ;;; subword-tests.el ends here