52 lines
1.8 KiB
EmacsLisp
52 lines
1.8 KiB
EmacsLisp
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;;; hl-line-tests.el --- Test suite for hl-line. -*- lexical-binding: t -*-
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;; Copyright (C) 2022 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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(require 'hl-line)
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(ert-deftest hl-line-sticky ()
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(should hl-line-sticky-flag)
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(with-temp-buffer
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(let ((from-buffer (current-buffer)))
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(hl-line-mode 1)
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(save-excursion
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(insert "foo"))
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(hl-line-highlight)
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(should (cl-some (apply-partially #'eq hl-line--overlay)
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(overlays-at (point))))
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(switch-to-buffer (get-buffer-create "*scratch*"))
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(hl-line-mode 1)
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(save-excursion
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(insert "bar"))
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(hl-line-highlight)
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(should (cl-some (apply-partially #'eq hl-line--overlay)
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(overlays-at (point))))
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(should (buffer-local-value 'hl-line--overlay from-buffer))
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(should-not (eq (buffer-local-value 'hl-line--overlay from-buffer)
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hl-line--overlay))
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(customize-set-variable 'hl-line-sticky-flag nil)
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(should hl-line--overlay)
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(should (buffer-live-p from-buffer))
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(should-not (buffer-local-value 'hl-line--overlay from-buffer)))))
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(provide 'hl-line-tests)
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;;; hl-line-tests.el ends here
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