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Diffstat (limited to 'test/manual/redisplay-testsuite.el')
| -rw-r--r-- | test/manual/redisplay-testsuite.el | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/test/manual/redisplay-testsuite.el b/test/manual/redisplay-testsuite.el new file mode 100644 index 00000000000..332eeb1cc9f --- /dev/null +++ b/test/manual/redisplay-testsuite.el @@ -0,0 +1,313 @@ +;;; redisplay-testsuite.el --- Test suite for redisplay. + +;; Copyright (C) 2009-2015 Free Software Foundation, Inc. + +;; Author: Chong Yidong <cyd@stupidchicken.com> +;; Keywords: internal +;; Human-Keywords: internal + +;; 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 <http://www.gnu.org/licenses/>. + +;;; Commentary: + +;; Type M-x test-redisplay RET to generate the test buffer. + +;;; Code: + +(defun test-insert-overlay (text &rest props) + (let ((opoint (point)) + overlay) + (insert text) + (setq overlay (make-overlay opoint (point))) + (while props + (overlay-put overlay (car props) (cadr props)) + (setq props (cddr props))))) + +(defun test-redisplay-1 () + (insert "Test 1: Displaying adjacent and overlapping overlays:\n\n") + (insert " Expected: gnu emacs\n") + (insert " Results: ") + (test-insert-overlay "n" 'before-string "g" 'after-string "u ") + (test-insert-overlay "ma" 'before-string "e" 'after-string "cs") + (insert "\n\n") + (insert " Expected: gnu emacs\n") + (insert " Results: ") + (test-insert-overlay "u" 'before-string "gn") + (test-insert-overlay "ma" 'before-string " e" 'after-string "cs") + (insert "\n\n") + (insert " Expected: gnu emacs\n") + (insert " Results: ") + (test-insert-overlay "XXX" 'display "u " + 'before-string "gn" 'after-string "em") + (test-insert-overlay "a" 'after-string "cs") + (insert "\n\n") + (insert " Expected: gnu emacs\n") + (insert " Results: ") + (test-insert-overlay "u " 'before-string "gn" 'after-string "em") + (test-insert-overlay "XXX" 'display "a" 'after-string "cs") + (insert "\n\n")) + +(defun test-redisplay-2 () + (insert "Test 2: Mouse highlighting. Move your mouse over the letters XXX:\n\n") + (insert " Expected: " + (propertize "xxxXXXxxx" 'face 'highlight) + "...---...\n Test: ") + (test-insert-overlay "XXX" 'before-string "xxx" 'after-string "xxx" + 'mouse-face 'highlight ) + (test-insert-overlay "---" 'before-string "..." 'after-string "...") + (insert "\n\n Expected: " + (propertize "xxxXXX" 'face 'highlight) + "...---...\n Test: ") + (test-insert-overlay "XXX" 'before-string "xxx" 'mouse-face 'highlight) + (test-insert-overlay "---" 'before-string "..." 'after-string "...") + (insert "\n\n Expected: " + (propertize "XXX" 'face 'highlight) + "...---...\n Test: ") + (test-insert-overlay "..." 'display "XXX" 'mouse-face 'highlight) + (test-insert-overlay "---" 'before-string "..." 'after-string "...") + (insert "\n\n Expected: " + (propertize "XXXxxx" 'face 'highlight) + "...\n Test: ") + (test-insert-overlay "..." 'display "XXX" 'after-string "xxx" + 'mouse-face 'highlight) + (test-insert-overlay "error" 'display "...") + (insert "\n\n Expected: " + "---..." + (propertize "xxxXXX" 'face 'highlight) + "\n Test: ") + (test-insert-overlay "xxx" 'display "---" 'after-string "...") + (test-insert-overlay "error" 'before-string "xxx" 'display "XXX" + 'mouse-face 'highlight) + (insert "\n\n Expected: " + "...---..." + (propertize "xxxXXXxxx" 'face 'highlight) + "\n Test: ") + (test-insert-overlay "---" 'before-string "..." 'after-string "...") + (test-insert-overlay "XXX" 'before-string "xxx" 'after-string "xxx" + 'mouse-face 'highlight) + (insert "\n\n Expected: " + "..." + (propertize "XXX" 'face 'highlight) + "...\n Test: ") + (test-insert-overlay "---" + 'display (propertize "XXX" 'mouse-face 'highlight) + 'before-string "..." + 'after-string "...") + (insert "\n\n Expected: " + (propertize "XXX\n" 'face 'highlight) + "\n Test: ") + (test-insert-overlay "XXX\n" 'mouse-face 'highlight) + (insert "\n\n")) + +(defun test-redisplay-3 () + (insert "Test 3: Overlay with strings and images:\n\n") + (let ((img-data "#define x_width 8 +#define x_height 8 +static unsigned char x_bits[] = {0xff, 0x81, 0xbd, 0xa5, 0xa5, 0xbd, 0x81, 0xff };")) + ;; Control + (insert " Expected: AB" + (propertize "X" 'display `(image :data ,img-data :type xbm)) + "CD\n") + + ;; Overlay with before, after, and image display string. + (insert " Result 1: ") + (let ((opoint (point))) + (insert "AXD\n") + (let ((ov (make-overlay (1+ opoint) (+ 2 opoint)))) + (overlay-put ov 'before-string "B") + (overlay-put ov 'after-string "C") + (overlay-put ov 'display + `(image :data ,img-data :type xbm)))) + + ;; Overlay with before and after string, and image text prop. + (insert " Result 2: ") + (let ((opoint (point))) + (insert "AXD\n") + (let ((ov (make-overlay (1+ opoint) (+ 2 opoint)))) + (overlay-put ov 'before-string "B") + (overlay-put ov 'after-string "C") + (put-text-property (1+ opoint) (+ 2 opoint) 'display + `(image :data ,img-data :type xbm)))) + + ;; Overlays with adjacent before and after strings, and image text + ;; prop. + (insert " Result 3: ") + (let ((opoint (point))) + (insert "AXD\n") + (let ((ov1 (make-overlay opoint (1+ opoint))) + (ov2 (make-overlay (+ 2 opoint) (+ 3 opoint)))) + (overlay-put ov1 'after-string "B") + (overlay-put ov2 'before-string "C") + (put-text-property (1+ opoint) (+ 2 opoint) 'display + `(image :data ,img-data :type xbm)))) + + ;; Three overlays. + (insert " Result 4: ") + (let ((opoint (point))) + (insert "AXD\n\n") + (let ((ov1 (make-overlay opoint (1+ opoint))) + (ov2 (make-overlay (+ 2 opoint) (+ 3 opoint))) + (ov3 (make-overlay (1+ opoint) (+ 2 opoint)))) + (overlay-put ov1 'after-string "B") + (overlay-put ov2 'before-string "C") + (overlay-put ov3 'display `(image :data ,img-data :type xbm)))))) + +(defun test-redisplay-4 () + (insert "Test 4: Overlay strings and invisibility:\n\n") + ;; Before and after strings with non-nil `invisibility'. + (insert " Expected: ABC\n") + (insert " Result: ") + (let ((opoint (point))) + (insert "ABC\n") + (let ((ov (make-overlay (1+ opoint) (+ 2 opoint)))) + (overlay-put ov 'before-string + (propertize "XX" 'invisible + 'test-redisplay--simple-invis)) + (overlay-put ov 'after-string + (propertize "XX" 'invisible + 'test-redisplay--simple-invis)))) + + ;; Before and after strings bogus `invisibility' property (value is + ;; not listed in `buffer-invisibility-spec'). + (insert "\n Expected: ABC") + (insert "\n Result: ") + (let ((opoint (point))) + (insert "B\n") + (let ((ov (make-overlay opoint (1+ opoint)))) + (overlay-put ov 'before-string + (propertize "A" 'invisible 'bogus-invis-spec)) + (overlay-put ov 'after-string + (propertize "C" 'invisible 'bogus-invis-spec)))) + + ;; Before/after string with ellipsis `invisibility' property. + (insert "\n Expected: ...B...") + (insert "\n Result: ") + (let ((opoint (point))) + (insert "B\n") + (let ((ov (make-overlay opoint (1+ opoint)))) + (overlay-put ov 'before-string + (propertize "A" 'invisible 'test-redisplay--ellipsis-invis)) + (overlay-put ov 'after-string + (propertize "C" 'invisible 'test-redisplay--ellipsis-invis)))) + + ;; Before/after string with partial ellipsis `invisibility' property. + (insert "\n Expected: A...ABC...C") + (insert "\n Result: ") + (let ((opoint (point))) + (insert "B\n") + (let ((ov (make-overlay opoint (1+ opoint))) + (a "AAA") + (c "CCC")) + (put-text-property 1 2 'invisible 'test-redisplay--ellipsis-invis a) + (put-text-property 1 2 'invisible 'test-redisplay--ellipsis-invis c) + (overlay-put ov 'before-string a) + (overlay-put ov 'after-string c))) + + ;; Display string with `invisibility' property. + (insert "\n Expected: ABC") + (insert "\n Result: ") + (let ((opoint (point))) + (insert "AYBC\n") + (let ((ov (make-overlay (1+ opoint) (+ 2 opoint)))) + (overlay-put ov 'display + (propertize "XX" 'invisible + 'test-redisplay--simple-invis)))) + ;; Display string with bogus `invisibility' property. + (insert "\n Expected: ABC") + (insert "\n Result: ") + (let ((opoint (point))) + (insert "AXC\n") + (let ((ov (make-overlay (1+ opoint) (+ 2 opoint)))) + (overlay-put ov 'display + (propertize "B" 'invisible 'bogus-invis-spec)))) + ;; Display string with ellipsis `invisibility' property. + (insert "\n Expected: A...C") + (insert "\n Result: ") + (let ((opoint (point))) + (insert "AXC\n") + (let ((ov (make-overlay (1+ opoint) (+ 2 opoint)))) + (overlay-put ov 'display + (propertize "B" 'invisible + 'test-redisplay--ellipsis-invis)))) + ;; Display string with partial `invisibility' property. + (insert "\n Expected: A...C") + (insert "\n Result: ") + (let ((opoint (point))) + (insert "X\n") + (let ((ov (make-overlay opoint (1+ opoint))) + (str "ABC")) + (put-text-property 1 2 'invisible 'test-redisplay--ellipsis-invis str) + (overlay-put ov 'display str))) + ;; Overlay string over invisible text and non-default face. + (insert "\n Expected: ..." (propertize "ABC" 'face 'highlight) "XYZ") + (insert "\n Result: ") + (insert (propertize "foo" 'invisible 'test-redisplay--ellipsis-invis)) + (let ((ov (make-overlay (point) (point)))) + (overlay-put ov 'invisible t) + (overlay-put ov 'window (selected-window)) + (overlay-put ov 'after-string + (propertize "ABC" 'face 'highlight))) + (insert "XYZ\n") + ;; Overlay strings with partial `invisibility' property and with a + ;; display property on the before-string. + (insert "\n Expected: ..." + (propertize "DEF" 'display '(image :type xpm :file "close.xpm")) + (propertize "ABC" 'face 'highlight) "XYZ") + (insert "\n Result: ") + (insert (propertize "foo" 'invisible 'test-redisplay--ellipsis-invis)) + (let ((ov (make-overlay (point) (point)))) + (overlay-put ov 'invisible t) + (overlay-put ov 'window (selected-window)) + (overlay-put ov 'after-string + (propertize "ABC" 'face 'highlight)) + (overlay-put ov 'before-string + (propertize "DEF" + 'display '(image :type xpm :file "close.xpm")))) + (insert "XYZ\n") + + ;; Overlay string with 2 adjacent and different invisible + ;; properties. This caused an infloop before Emacs 25. + (insert "\n Expected: ABC") + (insert "\n Result: ") + (let ((opoint (point))) + (insert "ABC\n") + (let ((ov (make-overlay (1+ opoint) (+ 2 opoint))) + (str (concat (propertize "X" + 'invisible 'test-redisplay--simple-invis) + (propertize "Y" + 'invisible 'test-redisplay--simple-invis2)))) + (overlay-put ov 'after-string str))) + + (insert "\n")) + + +(defun test-redisplay () + (interactive) + (let ((buf (get-buffer "*Redisplay Test*"))) + (if buf + (kill-buffer buf)) + (switch-to-buffer (get-buffer-create "*Redisplay Test*")) + (erase-buffer) + (setq buffer-invisibility-spec + '(test-redisplay--simple-invis + test-redisplay--simple-invis2 + (test-redisplay--ellipsis-invis . t))) + (test-redisplay-1) + (test-redisplay-2) + (test-redisplay-3) + (test-redisplay-4) + (goto-char (point-min)))) + |