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;;; subword-tests.el --- Testing the subword rules
;; Copyright (C) 2011-2019 Free Software Foundation, Inc.
;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
;; Keywords:
;; 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 3 of the License, 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 program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'ert)
(require 'subword)
(defconst subword-tests-strings
'("ABC^" ;;Bug#13758
"ABC^ ABC^Foo^ ABC^-Foo^ toto^ ABC^"))
(ert-deftest subword-tests ()
"Test the `subword-mode' rules."
(with-temp-buffer
(dolist (str subword-tests-strings)
(erase-buffer)
(insert str)
(goto-char (point-min))
(while (search-forward "^" nil t)
(replace-match ""))
(goto-char (point-min))
(while (not (eobp))
(subword-forward 1)
(insert "^"))
(should (equal (buffer-string) str)))))
(ert-deftest subword-tests2 ()
"Test that motion in subword-mode stops at the right places."
(let* ((line "fooBarBAZ quXD g_TESTThingAbc word BLAH test")
(fwrd "* * * * * * * * * * * * *")
(bkwd "* * * * * * * * * * * * *"))
(with-temp-buffer
(subword-mode 1)
(insert line)
;; Test forward motion.
(goto-char (point-min))
(let ((stops (make-string (length fwrd) ?\ )))
(while (progn
(aset stops (1- (point)) ?\*)
(not (eobp)))
(forward-word))
(should (equal stops fwrd)))
;; Test backward motion.
(goto-char (point-max))
(let ((stops (make-string (length bkwd) ?\ )))
(while (progn
(aset stops (1- (point)) ?\*)
(not (bobp)))
(backward-word))
(should (equal stops bkwd))))))
(provide 'subword-tests)
;;; subword-tests.el ends here
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