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;;;; -*- mode: lisp -*-
;;;;
;;;; $Id: test-base64.lisp,v 1.1.1.1 2004/06/09 09:02:41 scaekenberghe Exp $
;;;;
;;;; Unit and functional tests for base64.lisp
;;;;
;;;; Copyright (C) 2002, 2004 Sven Van Caekenberghe, Beta Nine BVBA.
;;;;
;;;; You are granted the rights to distribute and use this software
;;;; as governed by the terms of the Lisp Lesser General Public License
;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
(in-package :s-base64)
(assert
(equal (multiple-value-list (core-encode-base64 0 0 0))
(list #\A #\A #\A #\A)))
(assert
(equal (multiple-value-list (core-encode-base64 255 255 255))
(list #\/ #\/ #\/ #\/)))
(assert
(equal (multiple-value-list (core-encode-base64 1 2 3))
(list #\A #\Q #\I #\D)))
(assert
(equal (multiple-value-list (core-encode-base64 10 20 30))
(list #\C #\h #\Q #\e)))
(assert
(equal (multiple-value-list (core-decode-base64 #\A #\A #\A #\A))
(list 0 0 0)))
(assert
(equal (multiple-value-list (core-decode-base64 #\/ #\/ #\/ #\/))
(list 255 255 255)))
(assert
(equal (multiple-value-list (core-decode-base64 #\A #\Q #\I #\D))
(list 1 2 3)))
(assert
(equal (multiple-value-list (core-decode-base64 #\C #\h #\Q #\e))
(list 10 20 30)))
(assert
(let* ((string "Hello World!")
(bytes (map 'vector #'char-code string))
encoded
decoded)
(setf encoded (with-output-to-string (out)
(encode-base64-bytes bytes out)))
(setf decoded (with-input-from-string (in encoded)
(decode-base64-bytes in)))
(equal string
(map 'string #'code-char decoded))))
;;; this is more of a functional test
(defun same-character-file (file1 file2)
(with-open-file (a file1 :direction :input)
(with-open-file (b file2 :direction :input)
(loop
(let ((char-a (read-char a nil nil nil))
(char-b (read-char b nil nil nil)))
(cond ((not (or (and (null char-a) (null char-b))
(and char-a char-b)))
(return-from same-character-file nil))
((null char-a)
(return-from same-character-file t))
((char/= char-a char-b)
(return-from same-character-file nil))))))))
(defun same-binary-file (file1 file2)
(with-open-file (a file1 :direction :input :element-type 'unsigned-byte)
(with-open-file (b file2 :direction :input :element-type 'unsigned-byte)
(loop
(let ((byte-a (read-byte a nil nil))
(byte-b (read-byte b nil nil)))
(cond ((not (or (and (null byte-a) (null byte-b))
(and byte-a byte-b)))
(return-from same-binary-file nil))
((null byte-a)
(return-from same-binary-file t))
((/= byte-a byte-b)
(return-from same-binary-file nil))))))))
(let ((original (merge-pathnames "test.b64" *load-pathname*))
(first-gif (merge-pathnames "test.gif" *load-pathname*))
(b64 (merge-pathnames "test2.b64" *load-pathname*))
(second-gif (merge-pathnames "test2.gif" *load-pathname*)))
(with-open-file (in original
:direction :input)
(with-open-file (out first-gif
:direction :output
:element-type 'unsigned-byte
:if-does-not-exist :create
:if-exists :supersede)
(decode-base64 in out)))
(with-open-file (in first-gif
:direction :input
:element-type 'unsigned-byte)
(with-open-file (out b64
:direction :output
:if-does-not-exist :create
:if-exists :supersede)
(encode-base64 in out nil)))
(assert (same-character-file original b64))
(with-open-file (in b64
:direction :input)
(with-open-file (out second-gif
:direction :output
:element-type 'unsigned-byte
:if-does-not-exist :create
:if-exists :supersede)
(decode-base64 in out)))
(assert (same-binary-file first-gif second-gif))
(delete-file first-gif)
(delete-file b64)
(delete-file second-gif))
;;;; eof
|
