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;;; Chickadee Game Toolkit
;;; Copyright © 2023 David Thompson <dthompson2@worcester.edu>
;;;
;;; Licensed under the Apache License, Version 2.0 (the "License");
;;; you may not use this file except in compliance with the License.
;;; You may obtain a copy of the License at
;;;
;;; http://www.apache.org/licenses/LICENSE-2.0
;;;
;;; Unless required by applicable law or agreed to in writing, software
;;; distributed under the License is distributed on an "AS IS" BASIS,
;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;;; See the License for the specific language governing permissions and
;;; limitations under the License.
(define-module (tests base64)
#:use-module (chickadee base64)
#:use-module (rnrs bytevectors)
#:use-module (srfi srfi-64)
#:use-module (tests utils))
(with-tests "base64"
(test-group "base64-decode"
(test-equal "empty string"
""
(utf8->string (base64-decode "")))
(test-equal "no padding"
"hello!"
(utf8->string (base64-decode "aGVsbG8h")))
(test-equal "one byte of padding"
"hello"
(utf8->string (base64-decode "aGVsbG8=")))
(test-equal "one byte of padding but no padding char"
"hello"
(utf8->string (base64-decode "aGVsbG8" #:padding? #f)))
(test-equal "two bytes of padding"
"what's up?"
(utf8->string (base64-decode "d2hhdCdzIHVwPw==")))
(test-equal "two bytes of padding but no padding chars"
"what's up?"
(utf8->string (base64-decode "d2hhdCdzIHVwPw" #:padding? #f))))
(test-group "base64-encode"
(test-equal "empty string"
""
(base64-encode (string->utf8 "")))
(test-equal "no padding"
"aGVsbG8h"
(base64-encode (string->utf8 "hello!")))
(test-equal "one byte of padding"
"aGVsbG8="
(base64-encode (string->utf8 "hello")))
(test-equal "one byte of padding but no padding char"
"aGVsbG8"
(base64-encode (string->utf8 "hello") #:padding? #f))
(test-equal "two bytes of padding but no padding chars"
"d2hhdCdzIHVwPw"
(base64-encode (string->utf8 "what's up?") #:padding? #f))))
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