code.delx.au - gnu-emacs/blob - test/lisp/legacy/coding-tests.el

   1 ;;; coding-tests.el --- tests for text encoding and decoding
   2
   3 ;; Copyright (C) 2015-2016 Free Software Foundation, Inc.
   4
   5 ;; Author: Eli Zaretskii <eliz@gnu.org>
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software: you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation, either version 3 of the License, or
  12 ;; (at your option) any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  21
  22 ;;; Code:
  23
  24 (require 'ert)
  25
  26 ;; Directory to hold test data files.
  27 (defvar coding-tests-workdir
  28   (expand-file-name "coding-tests" temporary-file-directory))
  29
  30 ;; Remove all generated test files.
  31 (defun coding-tests-remove-files ()
  32   (delete-directory coding-tests-workdir t))
  33
  34 (ert-deftest ert-test-coding-bogus-coding-systems ()
  35   (unwind-protect
  36       (let (test-file)
  37         (or (file-directory-p coding-tests-workdir)
  38             (mkdir coding-tests-workdir t))
  39         (setq test-file (expand-file-name "nonexistent" coding-tests-workdir))
  40         (if (file-exists-p test-file)
  41             (delete-file test-file))
  42         (should-error
  43          (let ((coding-system-for-read 'bogus))
  44            (insert-file-contents test-file)))
  45         ;; See bug #21602.
  46         (setq test-file (expand-file-name "writing" coding-tests-workdir))
  47         (should-error
  48          (let ((coding-system-for-write (intern "\"us-ascii\"")))
  49            (write-region "some text" nil test-file))))
  50     (coding-tests-remove-files)))