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;;; rot13-tests.el --- Tests for rot13.el -*- lexical-binding: t; -*-
;; Copyright (C) 2016-2019 Free Software Foundation, Inc.
;; Author: Simen Heggestøyl <simenheg@gmail.com>
;; Keywords:
;; 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 'ert)
(require 'rot13)
(ert-deftest rot13-tests-rot13 ()
(should (equal (rot13 "Super-secret text") "Fhcre-frperg grkg"))
(with-temp-buffer
(insert "Super-secret text")
(rot13 (current-buffer) (point-min) (point-max))
(should (equal (buffer-string) "Fhcre-frperg grkg"))
(rot13 (current-buffer) (point-min) (+ (point-min) 5))
(should (equal (buffer-string) "Super-frperg grkg"))))
(ert-deftest rot13-tests-rot13-string ()
(should (equal (rot13-string "") ""))
(should (equal (rot13-string (rot13-string "foo")) "foo"))
(should (equal (rot13-string "Super-secret text")
"Fhcre-frperg grkg")))
(ert-deftest rot13-tests-rot13-region ()
(with-temp-buffer
(insert "Super-secret text")
(rot13-region (+ (point-min) 6) (+ (point-min) 12))
(should (equal (buffer-string) "Super-frperg text"))))
(provide 'rot13-tests)
;;; rot13-tests.el ends here
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