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;;; inotify-tests.el --- Test suite for inotify. -*- lexical-binding: t -*-
;; Copyright (C) 2012-2017 Free Software Foundation, Inc.
;; Author: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
;; Keywords: internal
;; Human-Keywords: internal
;; 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 <https://www.gnu.org/licenses/>.
;;; Code:
(require 'ert)
(declare-function inotify-add-watch "inotify.c" (file-name aspect callback))
(declare-function inotify-rm-watch "inotify.c" (watch-descriptor))
(ert-deftest inotify-valid-p-simple ()
"Simple tests for `inotify-valid-p'."
(skip-unless (featurep 'inotify))
(should-not (inotify-valid-p 0))
(should-not (inotify-valid-p nil))
(should-not (inotify-valid-p '(0 . 0))))
;; (ert-deftest filewatch-file-watch-aspects-check ()
;; "Test whether `file-watch' properly checks the aspects."
;; (let ((temp-file (make-temp-file "filewatch-aspects")))
;; (should (stringp temp-file))
;; (should-error (file-watch temp-file 'wrong nil)
;; :type 'error)
;; (should-error (file-watch temp-file '(modify t) nil)
;; :type 'error)
;; (should-error (file-watch temp-file '(modify all-modify) nil)
;; :type 'error)
;; (should-error (file-watch temp-file '(access wrong modify) nil)
;; :type 'error)))
(ert-deftest inotify-file-watch-simple ()
"Test if watching a normal file works."
(skip-unless (featurep 'inotify))
(let ((temp-file (make-temp-file "inotify-simple"))
(events 0))
(let ((wd
(inotify-add-watch temp-file t (lambda (_ev)
(setq events (1+ events))))))
(unwind-protect
(progn
(with-temp-file temp-file
(insert "Foo\n"))
(read-event nil nil 5)
(should (> events 0)))
(should (inotify-valid-p wd))
(inotify-rm-watch wd)
(should-not (inotify-valid-p wd))
(delete-file temp-file)))))
(provide 'inotify-tests)
;;; inotify-tests.el ends here.
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