* test/automated/sentinel-tests.el: New file.

test/ChangeLog

+2013-11-08  Helmut Eller  <eller.helmut@gmail.com>
+
+	* automated/sentinel-tests.el: New file.
+
 2013-11-08  Dmitry Gutov  <dgutov@yandex.ru>
 
 	* indent/ruby.rb: New examples.

test/automated/sentinel-tests.el

+;;; process-tests.el --- Testing the process facilities
+
+;; Copyright (C) 2013 Free Software Foundation, Inc.
+
+;; This program 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.
+
+;; This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;;
+
+;;; Code:
+
+(require 'ert)
+
+;; Timeout in seconds; the test fails if the timeout is reached.
+(defvar process-test-sentinel-wait-timeout 2.0)
+
+;; Start a process that exits immediately.  Call WAIT-FUNCTION,
+;; possibly multiple times, to wait for the process to complete.
+(defun process-test-sentinel-wait-function-working-p (wait-function)
+  (let ((proc (start-process "test" nil "bash" "-c" "exit 20"))
+	(sentinel-called nil)
+	(start-time (float-time)))
+    (set-process-sentinel proc (lambda (proc msg)
+				 (setq sentinel-called t)))
+    (while (not (or sentinel-called
+		    (> (- (float-time) start-time)
+		       process-test-sentinel-wait-timeout)))
+      (funcall wait-function))
+    (cl-assert (eq (process-status proc) 'exit))
+    (cl-assert (= (process-exit-status proc) 20))
+    sentinel-called))
+
+(ert-deftest process-test-sentinel-accept-process-output ()
+  (should (process-test-sentinel-wait-function-working-p
+           #'accept-process-output)))
+
+(ert-deftest process-test-sentinel-sit-for ()
+  (should
+   (process-test-sentinel-wait-function-working-p (lambda () (sit-for 0.01 t)))))
+
+(provide 'process-tests)