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diff --git a/test/lisp/vc/add-log-tests.el b/test/lisp/vc/add-log-tests.el
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+;;; add-log-tests.el --- Test suite for add-log.
+
+;; Copyright (C) 2013-2015 Free Software Foundation, Inc.
+
+;; Author: Masatake YAMATO <yamato@redhat.com>
+;; Keywords: vc tools
+
+;; 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)
+(require 'add-log)
+
+(defmacro add-log-current-defun-deftest (name doc major-mode
+					      content marker expected-defun)
+  "Generate an ert test for mode-own `add-log-current-defun-function'.
+Run `add-log-current-defun' at the point where MARKER specifies in a
+buffer which content is CONTENT under MAJOR-MODE. Then it compares the
+result with EXPECTED-DEFUN."
+  (let ((xname (intern (concat "add-log-current-defun-test-"
+			       (symbol-name name)
+			       ))))
+    `(ert-deftest ,xname ()
+	 ,doc
+       (with-temp-buffer
+	 (insert ,content)
+	 (goto-char (point-min))
+	 (funcall ',major-mode)
+	 (should (equal (when (search-forward ,marker nil t)
+			  (replace-match "" nil t)
+			  (add-log-current-defun))
+			,expected-defun))))))
+
+(add-log-current-defun-deftest
+ sh-func1
+ "Test sh-current-defun-name can find function."
+ sh-mode "
+function foo
+{
+	><
+}" "><" "foo")
+
+(add-log-current-defun-deftest
+ sh-func2
+ "Test sh-current-defun-name can find function."
+ sh-mode "
+foo()
+{
+	><
+}" "><" "foo")
+
+(add-log-current-defun-deftest
+ sh-func3
+ "Test sh-current-defun-name can find function."
+ sh-mode "
+function foo()
+{
+	><
+}" "><" "foo")
+
+(add-log-current-defun-deftest
+ sh-var
+ "Test sh-current-defun-name can find variable definition."
+ sh-mode "
+PATH=a:/ab:/usr/abc
+DIR=/pr><oc"
+"><" "DIR")
+
+(provide 'add-log-tests)
+
+;;; add-log-tests.el ends here