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;;; rfc2047-tests.el --- tests for rfc2047.el -*- lexical-binding: t -*-
;; Copyright (C) 2019-2025 Free Software Foundation, Inc.
;; 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/>.
;;; Code:
(require 'ert)
(require 'rfc2047)
(defun test-rfc2047 (before after)
(with-temp-buffer
(insert before)
(goto-char (point-min))
(rfc2047-fold-field)
(should (equal (buffer-string) after))))
(ert-deftest test-rfc2047-fold-short ()
(test-rfc2047
"Organization: Lots Of Short Words Here Lots Of Short Words Here Lots Of Short Words Here\n"
"Organization: Lots Of Short Words Here Lots Of Short Words Here Lots Of
Short Words Here
"))
(ert-deftest test-rfc2047-fold-encoded ()
(test-rfc2047
"Subject: This is =?utf-8?Q?=C3=A1?= long subject that's =?utf-8?Q?v=C3=A9ry?= long and =?utf-8?Q?ver=C3=BD?= encoded yes indeed it =?utf-8?Q?=C3=ADs?=\n"
"Subject: This is =?utf-8?Q?=C3=A1?= long subject that's
=?utf-8?Q?v=C3=A9ry?= long and =?utf-8?Q?ver=C3=BD?= encoded yes indeed it
=?utf-8?Q?=C3=ADs?=
"))
(ert-deftest test-rfc2047-fold-long ()
(test-rfc2047
"Organization: verylongverylongverylongverylongverylongverylongverylongverylongverylongword and then\n"
"Organization: verylongverylongverylongverylongverylongverylongverylongverylongverylongword
and then
"))
(ert-deftest test-rfc2047-fold-long-short ()
(test-rfc2047
"Organization: verylongverylongverylongverylongverylongverylongverylongverylongverylongword\n"
"Organization: verylongverylongverylongverylongverylongverylongverylongverylongverylongword\n"))
;;; rfc2047-tests.el ends here
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