procyberian/emacs
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add tests for rot13.el

Browse source 
* lisp/rot13.el (rot13): Docstring correction.

* test/lisp/rot13-tests.el: New file with tests for rot13.el.
This commit is contained in:
Simen Heggestøyl 2016-11-17 19:19:59 +01:00
parent 6653bb45d3
commit edda93cfb1
2 changed files with 58 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
lisp/rot13.el
View file

@ -63,7 +63,10 @@
;;;###autoload
(defun rot13 (object &optional start end)
"Return ROT13 encryption of OBJECT, a buffer or string."
"ROT13 encrypt OBJECT, a buffer or string.
If OBJECT is a buffer, encrypt the region between START and END.
If OBJECT is a string, encrypt it in its entirety, ignoring START
and END, and return the encrypted string."
(if (bufferp object)
(with-current-buffer object
(rot13-region start end))

54
test/lisp/rot13-tests.el Normal file
View file

@ -0,0 +1,54 @@
;;; rot13-tests.el --- Tests for rot13.el -*- lexical-binding: t; -*-
;; Copyright (C) 2016 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 <http://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