Add test suite for buff-menu.el

* test/lisp/buff-menu-tests.el: New file.
(buff-menu-24962): Add test for Bug#24962.

test/lisp/buff-menu-tests.el

@@ -0,0 +1,46 @@
+;;; buff-menu-tests.el --- Test suite for buff-menu-tests.el -*- lexical-binding: t -*-
+
+;; Copyright (C) 2016 Free Software Foundation, Inc.
+
+;; Author: Tino Calancha <tino.calancha@gmail.com>
+
+;; 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/>.
+
+;;; Commentary:
+
+;;; Code:
+
+(require 'ert)
+
+(ert-deftest buff-menu-24962 ()
+  "Test for http://debbugs.gnu.org/24962 ."
+  :expected-result :failed
+  (let ((file (expand-file-name "foo" temporary-file-directory))
+        buf)
+    (unwind-protect
+        (progn
+          (write-region "foo" nil file)
+          (setq buf (find-file file))
+          (rename-buffer " foo")
+          (list-buffers)
+          (with-current-buffer "*Buffer List*"
+            (should (string= " foo" (buffer-name (Buffer-menu-buffer))))))
+      (and (buffer-live-p buf) (kill-buffer buf))
+      (and (file-exists-p file) (delete-file file)))))
+
+(provide 'buff-menu-tests)
+
+;;; buff-menu-tests.el ends here