;;; 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 <http://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 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)))
	(inotify-rm-watch wd)
	(delete-file temp-file)))))

(provide 'inotify-tests)

;;; inotify-tests.el ends here.