41 lines
1.4 KiB
EmacsLisp
41 lines
1.4 KiB
EmacsLisp
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;;; button-tests.el --- tests for button.el -*- lexical-binding: t -*-
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;; Copyright (C) 2019 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 button-at ()
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"Test `button-at' behavior."
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(with-temp-buffer
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(should-not (button-at (point)))
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(let ((button (insert-text-button "text button"))
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(marker (button-at (1- (point)))))
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(should (markerp marker))
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(should (= (button-end button) (button-end marker) (point))))
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(let ((button (insert-button "overlay button"))
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(overlay (button-at (1- (point)))))
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(should (overlayp overlay))
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(should (eq button overlay)))
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;; Buttons and widgets are incompatible (bug#34506).
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(widget-create 'link "link widget")
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(should-not (button-at (1- (point))))))
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;;; button-tests.el ends here
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