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diff --git a/test/lisp/emacs-lisp/range-tests.el b/test/lisp/emacs-lisp/range-tests.el
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+++ b/test/lisp/emacs-lisp/range-tests.el
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+;;; range-tests.el --- Tests for range.el  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2021 Free Software Foundation, Inc.
+
+;; 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 <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;;
+
+;;; Code:
+
+(require 'range)
+(require 'ert)
+(require 'ert-x)
+
+(ert-deftest ranges ()
+  (should (equal (range-compress-list '(2 3 4 5 9 11 12 13))
+                 '((2 . 5) 9 (11 . 13))))
+  (should (equal (range-uncompress '((2 . 5) 9 (11 . 13)))
+                 '(2 3 4 5 9 11 12 13)))
+  (should (equal (range-normalize '(1 . 2))
+                 '((1 . 2))))
+  (should (equal (range-difference '((1 . 10))
+                                   '((2 . 7)))
+                 '(1 (8 . 10))))
+  (should (equal (range-intersection '((2 . 5) 9 (11 . 13))
+                                     '((5 . 12)))
+                 '(5 9 (11 . 12))))
+  (should (equal (range-add-list '((2 . 5) 9 (11 . 13))
+                                 '(10 11 12 15 16 17))
+                 '((2 . 5) (9 . 10) (11 . 13) (15 . 17))))
+  (should (equal (range-remove (copy-tree '((2 . 5) 9 (11 . 13)))
+                               '((5 . 9)))
+                 '((2 . 4) (11 . 13))))
+  (should (range-member-p 9 '((2 . 5) 9 (11 . 13))))
+  (should (range-member-p 12 '((2 . 5) 9 (11 . 13))))
+  (should (equal (range-list-intersection
+                  '(4 5 6 7 8 9)
+                  '((2 . 5) 9 (11 . 13)))
+                 '(4 5 9)))
+  (should (equal (range-list-difference
+                  '(4 5 6 7 8 9)
+                  '((2 . 5) 9 (11 . 13)))
+                 '(6 7 8)))
+  (should (equal (range-length '((2 . 5) 9 (11 . 13)))
+                 8))
+  (should (equal (range-concat '((2 . 5) 9 (11 . 13))
+                               '(6 (12 . 15)))
+                 '((2 . 6) 9 (11 . 15)))))
+
+;;; range-tests.el ends here