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123 lines
4.4 KiB
EmacsLisp
123 lines
4.4 KiB
EmacsLisp
;;; redisplay-testsuite.el --- Test suite for redisplay.
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;; Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc.
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;; Author: Chong Yidong <cyd@stupidchicken.com>
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;; Keywords: internal
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;; Human-Keywords: internal
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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 <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Type M-x test-redisplay RET to generate the test buffer.
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;;; Code:
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(defun test-insert-overlay (text &rest props)
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(let ((opoint (point))
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overlay)
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(insert text)
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(setq overlay (make-overlay opoint (point)))
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(while props
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(overlay-put overlay (car props) (cadr props))
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(setq props (cddr props)))))
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(defun test-redisplay-1 ()
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(insert "Test 1: Displaying adjacent and overlapping overlays:\n\n")
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(insert " Expected: gnu emacs\n")
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(insert " Results: ")
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(test-insert-overlay "n" 'before-string "g" 'after-string "u ")
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(test-insert-overlay "ma" 'before-string "e" 'after-string "cs")
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(insert "\n\n")
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(insert " Expected: gnu emacs\n")
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(insert " Results: ")
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(test-insert-overlay "u" 'before-string "gn")
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(test-insert-overlay "ma" 'before-string " e" 'after-string "cs")
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(insert "\n\n")
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(insert " Expected: gnu emacs\n")
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(insert " Results: ")
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(test-insert-overlay "XXX" 'display "u "
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'before-string "gn" 'after-string "em")
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(test-insert-overlay "a" 'after-string "cs")
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(insert "\n\n")
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(insert " Expected: gnu emacs\n")
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(insert " Results: ")
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(test-insert-overlay "u " 'before-string "gn" 'after-string "em")
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(test-insert-overlay "XXX" 'display "a" 'after-string "cs")
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(insert "\n\n"))
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(defun test-redisplay-2 ()
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(insert "Test 2: Mouse highlighting. Move your mouse over the letters XXX:\n\n")
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(insert " Expected: "
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(propertize "xxxXXXxxx" 'face 'highlight)
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"...---...\n Test: ")
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(test-insert-overlay "XXX" 'before-string "xxx" 'after-string "xxx"
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'mouse-face 'highlight )
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(test-insert-overlay "---" 'before-string "..." 'after-string "...")
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(insert "\n\n Expected: "
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(propertize "xxxXXX" 'face 'highlight)
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"...---...\n Test: ")
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(test-insert-overlay "XXX" 'before-string "xxx" 'mouse-face 'highlight)
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(test-insert-overlay "---" 'before-string "..." 'after-string "...")
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(insert "\n\n Expected: "
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(propertize "XXX" 'face 'highlight)
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"...---...\n Test: ")
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(test-insert-overlay "..." 'display "XXX" 'mouse-face 'highlight)
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(test-insert-overlay "---" 'before-string "..." 'after-string "...")
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(insert "\n\n Expected: "
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(propertize "XXXxxx" 'face 'highlight)
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"...\n Test: ")
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(test-insert-overlay "..." 'display "XXX" 'after-string "xxx"
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'mouse-face 'highlight)
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(test-insert-overlay "error" 'display "...")
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(insert "\n\n Expected: "
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"---..."
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(propertize "xxxXXX" 'face 'highlight)
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"\n Test: ")
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(test-insert-overlay "xxx" 'display "---" 'after-string "...")
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(test-insert-overlay "error" 'before-string "xxx" 'display "XXX"
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'mouse-face 'highlight)
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(insert "\n\n Expected: "
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"...---..."
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(propertize "xxxXXXxxx" 'face 'highlight)
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"\n Test: ")
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(test-insert-overlay "---" 'before-string "..." 'after-string "...")
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(test-insert-overlay "XXX" 'before-string "xxx" 'after-string "xxx"
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'mouse-face 'highlight)
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(insert "\n\n Expected: "
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"..."
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(propertize "XXX" 'face 'highlight)
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"...\n Test: ")
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(test-insert-overlay "---"
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'display (propertize "XXX" 'mouse-face 'highlight)
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'before-string "..."
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'after-string "...")
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(insert "\n\n Expected: "
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(propertize "XXX\n" 'face 'highlight)
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"\n Test: ")
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(test-insert-overlay "XXX\n" 'mouse-face 'highlight)
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(insert "\n"))
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(defun test-redisplay ()
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(interactive)
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(pop-to-buffer (generate-new-buffer "*Redisplay Test*"))
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(test-redisplay-1)
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(test-redisplay-2)
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(goto-char (point-min)))
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;; arch-tag: fcee53c8-024f-403d-9154-61ae3ce0bfb8
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