test/lisp/rot13-tests.el

   1 ;;; rot13-tests.el --- Tests for rot13.el  -*- lexical-binding: t; -*-
   2
   3 ;; Copyright (C) 2016-2018 Free Software Foundation, Inc.
   4
   5 ;; Author: Simen Heggestøyl <simenheg@gmail.com>
   6 ;; Keywords:
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software: you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation, either version 3 of the License, or
  13 ;; (at your option) any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
  22
  23 ;;; Commentary:
  24
  25 ;;
  26
  27 ;;; Code:
  28
  29 (require 'ert)
  30 (require 'rot13)
  31
  32 (ert-deftest rot13-tests-rot13 ()
  33   (should (equal (rot13 "Super-secret text") "Fhcre-frperg grkg"))
  34   (with-temp-buffer
  35     (insert "Super-secret text")
  36     (rot13 (current-buffer) (point-min) (point-max))
  37     (should (equal (buffer-string) "Fhcre-frperg grkg"))
  38     (rot13 (current-buffer) (point-min) (+ (point-min) 5))
  39     (should (equal (buffer-string) "Super-frperg grkg"))))
  40
  41 (ert-deftest rot13-tests-rot13-string ()
  42   (should (equal (rot13-string "") ""))
  43   (should (equal (rot13-string (rot13-string "foo")) "foo"))
  44   (should (equal (rot13-string "Super-secret text")
  45                  "Fhcre-frperg grkg")))
  46
  47 (ert-deftest rot13-tests-rot13-region ()
  48   (with-temp-buffer
  49     (insert "Super-secret text")
  50     (rot13-region (+ (point-min) 6) (+ (point-min) 12))
  51     (should (equal (buffer-string) "Super-frperg text"))))
  52
  53 (provide 'rot13-tests)
  54 ;;; rot13-tests.el ends here