* automated/dbus-tests.el: New file.

diff --git a/test/automated/dbus-tests.el b/test/automated/dbus-tests.el
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+;;; dbus-tests.el --- Tests of D-Bus integration into Emacs
+
+;; Copyright (C) 2013 Free Software Foundation, Inc.
+
+;; Author: Michael Albinus <michael.albinus@gmx.de>
+
+;; 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/'.
+
+;;; Code:
+
+(require 'ert)
+(require 'dbus)
+
+(setq dbus-debug nil)
+
+(defvar dbus--test-enabled-session-bus
+  (and (featurep 'dbusbind)
+       (dbus-ignore-errors (dbus-get-unique-name :session)))
+  "Check, whether we are registered at the session bus.")
+
+(defvar dbus--test-enabled-system-bus
+  (and (featurep 'dbusbind)
+       (dbus-ignore-errors (dbus-get-unique-name :system)))
+  "Check, whether we are registered at the system bus.")
+
+(defun dbus--test-availability (bus)
+  "Test availability of D-Bus BUS."
+  (should (dbus-list-names bus))
+  (should (dbus-list-activatable-names bus))
+  (should (dbus-list-known-names bus))
+  (should (dbus-get-unique-name bus)))
+
+(ert-deftest dbus-test00-availability-session ()
+  "Test availability of D-Bus `:session'."
+  :expected-result (if dbus--test-enabled-session-bus :passed :failed)
+  (dbus--test-availability :session))
+
+(ert-deftest dbus-test00-availability-system ()
+  "Test availability of D-Bus `:system'."
+  :expected-result (if dbus--test-enabled-system-bus :passed :failed)
+  (dbus--test-availability :system))
+
+(ert-deftest dbus-test01-type-conversion ()
+  "Check type conversion functions."
+  (let ((ustr "0123abc_xyz\x01\xff")
+       (mstr "Grüß Göttin"))
+    (should
+     (string-equal
+      (dbus-byte-array-to-string (dbus-string-to-byte-array "")) ""))
+    (should
+     (string-equal
+      (dbus-byte-array-to-string (dbus-string-to-byte-array ustr)) ustr))
+    (should
+     (string-equal
+      (dbus-byte-array-to-string (dbus-string-to-byte-array mstr) 'multibyte)
+      mstr))
+    ;; Should not work for multibyte strings.
+    (should-not
+     (string-equal
+      (dbus-byte-array-to-string (dbus-string-to-byte-array mstr)) mstr))
+
+    (should
+     (string-equal
+      (dbus-unescape-from-identifier (dbus-escape-as-identifier "")) ""))
+    (should
+     (string-equal
+      (dbus-unescape-from-identifier (dbus-escape-as-identifier ustr)) ustr))
+    ;; Should not work for multibyte strings.
+    (should-not
+     (string-equal
+      (dbus-unescape-from-identifier (dbus-escape-as-identifier mstr)) mstr))))
+
+(defun dbus--test-register-service (bus)
+  "Check service registration at BUS."
+  ;; Cleanup.
+  (dbus-ignore-errors (dbus-unregister-service bus dbus-service-emacs))
+
+  ;; Register an own service.
+  (should (eq (dbus-register-service bus dbus-service-emacs) :primary-owner))
+  (should (dbus-ping bus dbus-service-emacs 100))
+  (should (eq (dbus-register-service bus dbus-service-emacs) :already-owner))
+  (should (dbus-ping bus dbus-service-emacs 100))
+
+  ;; Unregister the service.
+  (should (eq (dbus-unregister-service bus dbus-service-emacs) :released))
+  (should-not (dbus-ping bus dbus-service-emacs 100))
+  (should (eq (dbus-unregister-service bus dbus-service-emacs) :non-existent))
+  (should-not (dbus-ping bus dbus-service-emacs 100))
+
+  ;; `dbus-service-dbus' is reserved for the BUS itself.
+  (should-error (dbus-register-service bus dbus-service-dbus))
+  (should-error (dbus-unregister-service bus dbus-service-dbus)))
+
+(ert-deftest dbus-test02-register-service-session ()
+  "Check service registration at `:session'."
+  (skip-unless (and dbus--test-enabled-session-bus
+                   (dbus-register-service :session dbus-service-emacs)))
+  (dbus--test-register-service :session)
+
+  (let ((service "org.freedesktop.Notifications"))
+    (when (dbus-ping :session service 100)
+      ;; Cleanup.
+      (dbus-ignore-errors (dbus-unregister-service :session service))
+
+      (should (eq (dbus-register-service :session service) :in-queue))
+      (should (eq (dbus-unregister-service :session service) :released))
+
+      (should
+       (eq (dbus-register-service :session service :do-not-queue) :exists))
+      (should (eq (dbus-unregister-service :session service) :not-owner)))))
+
+(ert-deftest dbus-test02-register-service-system ()
+  "Check service registration at `:system'."
+  (skip-unless (and dbus--test-enabled-system-bus
+                   (dbus-register-service :system dbus-service-emacs)))
+  (dbus--test-register-service :system))
+
+(defun dbus-test-all (&optional interactive)
+  "Run all tests for \\[dbus]."
+  (interactive "p")
+  (funcall
+   (if interactive 'ert-run-tests-interactively 'ert-run-tests-batch) "^dbus"))
+
+(provide 'dbus-tests)
+;;; dbus-tests.el ends here