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;;; guile-email --- Guile email parser
;;; Copyright © 2019, 2020 Arun Isaac <arunisaac@systemreboot.net>
;;;
;;; This file is part of guile-email.
;;;
;;; guile-email is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU Affero General Public License as
;;; published by the Free Software Foundation; either version 3 of the
;;; License, or (at your option) any later version.
;;;
;;; guile-email 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
;;; Affero General Public License for more details.
;;;
;;; You should have received a copy of the GNU Affero General Public
;;; License along with guile-email. If not, see
;;; <http://www.gnu.org/licenses/>.
(use-modules (email utils)
(rnrs bytevectors)
(rnrs io ports)
(srfi srfi-26)
(srfi srfi-64))
(test-begin "utils")
(test-assert "read-bytes-till returns eof-object on end of file"
(eof-object?
(call-with-port (open-bytevector-input-port (make-bytevector 0))
(cut read-bytes-till <> (make-bytevector 1)))))
(test-assert "read-while returns eof-object on end of file"
(eof-object?
(call-with-input-string ""
(cut read-while <> read identity))))
(test-equal "read-bytes-till returns empty bytevector on match at beginning"
(call-with-port (open-bytevector-input-port #vu8(1 2 3))
(cut read-bytes-till <> #vu8(1 2)))
#vu8())
(test-equal "read-while returns empty string on match at beginning"
(call-with-input-string "foo\nbar"
(lambda (port)
(read-while port get-line (negate (cut string-prefix? "foo" <>)))))
"")
(test-end "utils")
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