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| | ;;; unit tests for src/fileio.c -*- lexical-binding: t; -*-
;; Copyright 2017 Free Software Foundation, Inc.
;; 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/>.
(require 'ert)
(defun try-link (target link)
(make-symbolic-link target link)
(let* ((read-link (file-symlink-p link))
(failure (unless (string-equal target read-link)
(list 'string-equal target read-link))))
(delete-file link)
failure))
(defun fileio-tests--symlink-failure ()
(let* ((dir (make-temp-file "fileio" t))
(link (expand-file-name "link" dir)))
(unwind-protect
(let (failure
(char 0))
(while (and (not failure) (< char 127))
(setq char (1+ char))
(setq failure (try-link (string char) link)))
(or failure
(try-link "/:" link)))
(delete-directory dir t))))
(ert-deftest fileio-tests--odd-symlink-chars ()
"Check that any non-NULL ASCII character can appear in a symlink.
Also check that an encoding error can appear in a symlink."
(should (equal nil (fileio-tests--symlink-failure))))
|