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diff --git a/test/lisp/ido-tests.el b/test/lisp/ido-tests.el
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+;;; ido-tests.el --- unit tests for ido.el           -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2017  Free Software Foundation, Inc.
+
+;; Author: Philipp Stephani <phst@google.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:
+
+;; Unit tests for ido.el.
+
+;;; Code:
+
+(ert-deftest ido-tests--other-window-frame ()
+  "Verifies that Bug#26360 is fixed."
+  (should-not ido-mode)
+  (unwind-protect
+      (progn
+        (ido-mode)
+        (should (equal ido-mode 'both))
+        (should (equal (key-binding [remap find-alternate-file-other-window])
+                       #'ido-find-alternate-file-other-window))
+        (should (commandp #'ido-find-alternate-file-other-window))
+        (should (equal (key-binding (kbd "C-x 4 d")) #'ido-dired-other-window))
+        (should (commandp #'ido-dired-other-window))
+        (should (equal (key-binding (kbd "C-x 5 d")) #'ido-dired-other-frame))
+        (should (commandp #'ido-dired-other-frame))
+        (should (equal (key-binding (kbd "C-x 5 C-o"))
+                       #'ido-display-buffer-other-frame))
+        (should (commandp #'ido-display-buffer-other-frame)))
+    (ido-mode 0)))
+
+;;; ido-tests.el ends here