test/lisp/dabbrev-tests.el

   1 ;;; dabbrev-tests.el --- Test suite for dabbrev.
   2
   3 ;; Copyright (C) 2016-2018 Free Software Foundation, Inc.
   4
   5 ;; Author: Alan Third <alan@idiocy.org>
   6 ;; Keywords: dabbrev
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software: you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation, either version 3 of the License, or
  13 ;; (at your option) any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
  22
  23 ;;; Commentary:
  24
  25 ;;; Code:
  26
  27 (require 'ert)
  28 (require 'dabbrev)
  29
  30 (ert-deftest dabbrev-expand-test ()
  31   "Test for bug#1948.
  32 When DABBREV-ELIMINATE-NEWLINES is non-nil (the default),
  33 repeated calls to DABBREV-EXPAND can result in the source of
  34 first expansion being replaced rather than the destination."
  35   (with-temp-buffer
  36    (insert "ab  x\na\nab  y")
  37    (goto-char 8)
  38    (save-window-excursion
  39      (set-window-buffer nil (current-buffer))
  40      ;; M-/ SPC M-/ M-/
  41      (execute-kbd-macro "\257 \257\257"))
  42    (should (string= (buffer-string) "ab  x\nab y\nab  y"))))