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;;; editfns-tests.el -- tests for editfns.c
;; Copyright (C) 2016 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; 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 <http://www.gnu.org/licenses/>.
;;; Code:
(require 'ert)
(ert-deftest format-properties ()
;; Bug #23730
(should (ert-equal-including-properties
(format (propertize "%d" 'face '(:background "red")) 1)
#("1" 0 1 (face (:background "red")))))
(should (ert-equal-including-properties
(format (propertize "%2d" 'face '(:background "red")) 1)
#(" 1" 0 2 (face (:background "red")))))
(should (ert-equal-including-properties
(format (propertize "%02d" 'face '(:background "red")) 1)
#("01" 0 2 (face (:background "red")))))
(should (ert-equal-including-properties
(format (concat (propertize "%2d" 'x 'X)
(propertize "a" 'a 'A)
(propertize "b" 'b 'B))
1)
#(" 1ab" 0 2 (x X) 2 3 (a A) 3 4 (b B))))
;; Bug #5306
(should (ert-equal-including-properties
(format "%.10s"
(concat "1234567890aaaa"
(propertize "12345678901234567890" 'xxx 25)))
"1234567890"))
(should (ert-equal-including-properties
(format "%.10s"
(concat "123456789"
(propertize "12345678901234567890" 'xxx 25)))
#("1234567891" 9 10 (xxx 25))))
;; Bug #23859
(should (ert-equal-including-properties
(format "%4s" (propertize "hi" 'face 'bold))
#(" hi" 2 4 (face bold))))
;; Bug #23897
(should (ert-equal-including-properties
(format "%s" (concat (propertize "01234" 'face 'bold) "56789"))
#("0123456789" 0 5 (face bold))))
(should (ert-equal-including-properties
(format "%s" (concat (propertize "01" 'face 'bold)
(propertize "23" 'face 'underline)
"45"))
#("012345" 0 2 (face bold) 2 4 (face underline))))
;; The last property range is extended to include padding on the
;; right, but the first range is not extended to the left to include
;; padding on the left!
(should (ert-equal-including-properties
(format "%12s" (concat (propertize "01234" 'face 'bold) "56789"))
#(" 0123456789" 2 7 (face bold))))
(should (ert-equal-including-properties
(format "%-12s" (concat (propertize "01234" 'face 'bold) "56789"))
#("0123456789 " 0 5 (face bold))))
(should (ert-equal-including-properties
(format "%10s" (concat (propertize "01" 'face 'bold)
(propertize "23" 'face 'underline)
"45"))
#(" 012345" 4 6 (face bold) 6 8 (face underline))))
(should (ert-equal-including-properties
(format "%-10s" (concat (propertize "01" 'face 'bold)
(propertize "23" 'face 'underline)
"45"))
#("012345 " 0 2 (face bold) 2 4 (face underline))))
(should (ert-equal-including-properties
(format "%-10s" (concat (propertize "01" 'face 'bold)
(propertize "23" 'face 'underline)
(propertize "45" 'face 'italic)))
#("012345 " 0 2 (face bold) 2 4 (face underline) 4 10 (face italic)))))
;; Tests for bug#5131.
(defun transpose-test-reverse-word (start end)
"Reverse characters in a word by transposing pairs of characters."
(let ((begm (make-marker))
(endm (make-marker)))
(set-marker begm start)
(set-marker endm end)
(while (> endm begm)
(progn (transpose-regions begm (1+ begm) endm (1+ endm) t)
(set-marker begm (1+ begm))
(set-marker endm (1- endm))))))
(defun transpose-test-get-byte-positions (len)
"Validate character position to byte position translation."
(let ((bytes '()))
(dotimes (pos len)
(setq bytes (add-to-list 'bytes (position-bytes (1+ pos)) t)))
bytes))
(ert-deftest transpose-ascii-regions-test ()
(with-temp-buffer
(erase-buffer)
(insert "abcd")
(transpose-test-reverse-word 1 4)
(should (string= (buffer-string) "dcba"))
(should (equal (transpose-test-get-byte-positions 5) '(1 2 3 4 5)))))
(ert-deftest transpose-nonascii-regions-test-1 ()
(with-temp-buffer
(erase-buffer)
(insert "÷bcd")
(transpose-test-reverse-word 1 4)
(should (string= (buffer-string) "dcb÷"))
(should (equal (transpose-test-get-byte-positions 5) '(1 2 3 4 6)))))
(ert-deftest transpose-nonascii-regions-test-2 ()
(with-temp-buffer
(erase-buffer)
(insert "÷ab\"äé")
(transpose-test-reverse-word 1 6)
(should (string= (buffer-string) "éä\"ba÷"))
(should (equal (transpose-test-get-byte-positions 7) '(1 3 5 6 7 8 10)))))
;;; editfns-tests.el ends here
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