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;;; coding-tests.el --- tests for text encoding and decoding
;; Copyright (C) 2015 Free Software Foundation, Inc.
;; Author: Eli Zaretskii <eliz@gnu.org>
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Code:
(require 'ert)
;; Directory to hold test data files.
(defvar coding-tests-workdir
(expand-file-name "coding-tests" temporary-file-directory))
;; Remove all generated test files.
(defun coding-tests-remove-files ()
(delete-directory coding-tests-workdir t))
(ert-deftest ert-test-coding-bogus-coding-systems ()
(unwind-protect
(let (test-file)
(or (file-directory-p coding-tests-workdir)
(mkdir coding-tests-workdir t))
(setq test-file (expand-file-name "nonexistent" coding-tests-workdir))
(if (file-exists-p test-file)
(delete-file test-file))
(should-error
(let ((coding-system-for-read 'bogus))
(insert-file-contents test-file)))
;; See bug #21602.
(setq test-file (expand-file-name "writing" coding-tests-workdir))
(should-error
(let ((coding-system-for-write (intern "\"us-ascii\"")))
(write-region "some text" nil test-file))))
(coding-tests-remove-files)))
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