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42 lines
1.6 KiB
EmacsLisp
42 lines
1.6 KiB
EmacsLisp
;;; font-lock-tests.el --- Test suite for font-lock. -*- lexical-binding: t -*-
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;; Copyright (C) 2019-2021 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Code:
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(require 'ert)
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(ert-deftest font-lock-test-append-anonymous-face ()
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"Ensure `font-lock-append-text-property' does not splice anonymous faces."
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(with-temp-buffer
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(insert "foo")
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(add-text-properties 1 3 '(face italic))
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(font-lock-append-text-property 1 3 'face '(:strike-through t))
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(should (equal (get-text-property 1 'face (current-buffer))
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'(italic (:strike-through t))))))
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(ert-deftest font-lock-test-prepend-anonymous-face ()
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"Ensure `font-lock-prepend-text-property' does not splice anonymous faces."
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(with-temp-buffer
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(insert "foo")
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(add-text-properties 1 3 '(face italic))
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(font-lock-prepend-text-property 1 3 'face '(:strike-through t))
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(should (equal (get-text-property 1 'face (current-buffer))
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'((:strike-through t) italic)))))
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;; font-lock-tests.el ends here
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