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6d361d99 | 1 | ;;; redisplay-testsuite.el --- Test suite for redisplay. |
6ada5ad1 | 2 | |
73b0cd50 | 3 | ;; Copyright (C) 2009-2011 Free Software Foundation, Inc. |
6ada5ad1 CY |
4 | |
5 | ;; Author: Chong Yidong <cyd@stupidchicken.com> | |
6 | ;; Keywords: internal | |
7 | ;; Human-Keywords: internal | |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
11 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published by | |
13 | ;; the Free Software Foundation, either version 3 of the License, or | |
14 | ;; (at your option) any later version. | |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
23 | ||
24 | ;;; Commentary: | |
25 | ||
26 | ;; Type M-x test-redisplay RET to generate the test buffer. | |
27 | ||
28 | ;;; Code: | |
29 | ||
30 | (defun test-insert-overlay (text &rest props) | |
31 | (let ((opoint (point)) | |
32 | overlay) | |
33 | (insert text) | |
34 | (setq overlay (make-overlay opoint (point))) | |
35 | (while props | |
36 | (overlay-put overlay (car props) (cadr props)) | |
37 | (setq props (cddr props))))) | |
38 | ||
39 | (defun test-redisplay-1 () | |
40 | (insert "Test 1: Displaying adjacent and overlapping overlays:\n\n") | |
41 | (insert " Expected: gnu emacs\n") | |
42 | (insert " Results: ") | |
43 | (test-insert-overlay "n" 'before-string "g" 'after-string "u ") | |
44 | (test-insert-overlay "ma" 'before-string "e" 'after-string "cs") | |
45 | (insert "\n\n") | |
46 | (insert " Expected: gnu emacs\n") | |
47 | (insert " Results: ") | |
48 | (test-insert-overlay "u" 'before-string "gn") | |
49 | (test-insert-overlay "ma" 'before-string " e" 'after-string "cs") | |
50 | (insert "\n\n") | |
51 | (insert " Expected: gnu emacs\n") | |
52 | (insert " Results: ") | |
53 | (test-insert-overlay "XXX" 'display "u " | |
54 | 'before-string "gn" 'after-string "em") | |
55 | (test-insert-overlay "a" 'after-string "cs") | |
56 | (insert "\n\n") | |
57 | (insert " Expected: gnu emacs\n") | |
58 | (insert " Results: ") | |
59 | (test-insert-overlay "u " 'before-string "gn" 'after-string "em") | |
60 | (test-insert-overlay "XXX" 'display "a" 'after-string "cs") | |
61 | (insert "\n\n")) | |
62 | ||
63 | (defun test-redisplay-2 () | |
64 | (insert "Test 2: Mouse highlighting. Move your mouse over the letters XXX:\n\n") | |
65 | (insert " Expected: " | |
66 | (propertize "xxxXXXxxx" 'face 'highlight) | |
67 | "...---...\n Test: ") | |
68 | (test-insert-overlay "XXX" 'before-string "xxx" 'after-string "xxx" | |
69 | 'mouse-face 'highlight ) | |
70 | (test-insert-overlay "---" 'before-string "..." 'after-string "...") | |
71 | (insert "\n\n Expected: " | |
72 | (propertize "xxxXXX" 'face 'highlight) | |
73 | "...---...\n Test: ") | |
74 | (test-insert-overlay "XXX" 'before-string "xxx" 'mouse-face 'highlight) | |
75 | (test-insert-overlay "---" 'before-string "..." 'after-string "...") | |
76 | (insert "\n\n Expected: " | |
77 | (propertize "XXX" 'face 'highlight) | |
78 | "...---...\n Test: ") | |
79 | (test-insert-overlay "..." 'display "XXX" 'mouse-face 'highlight) | |
80 | (test-insert-overlay "---" 'before-string "..." 'after-string "...") | |
81 | (insert "\n\n Expected: " | |
82 | (propertize "XXXxxx" 'face 'highlight) | |
83 | "...\n Test: ") | |
84 | (test-insert-overlay "..." 'display "XXX" 'after-string "xxx" | |
85 | 'mouse-face 'highlight) | |
86 | (test-insert-overlay "error" 'display "...") | |
87 | (insert "\n\n Expected: " | |
88 | "---..." | |
89 | (propertize "xxxXXX" 'face 'highlight) | |
90 | "\n Test: ") | |
91 | (test-insert-overlay "xxx" 'display "---" 'after-string "...") | |
92 | (test-insert-overlay "error" 'before-string "xxx" 'display "XXX" | |
93 | 'mouse-face 'highlight) | |
94 | (insert "\n\n Expected: " | |
95 | "...---..." | |
96 | (propertize "xxxXXXxxx" 'face 'highlight) | |
97 | "\n Test: ") | |
98 | (test-insert-overlay "---" 'before-string "..." 'after-string "...") | |
99 | (test-insert-overlay "XXX" 'before-string "xxx" 'after-string "xxx" | |
100 | 'mouse-face 'highlight) | |
101 | (insert "\n\n Expected: " | |
102 | "..." | |
103 | (propertize "XXX" 'face 'highlight) | |
104 | "...\n Test: ") | |
105 | (test-insert-overlay "---" | |
106 | 'display (propertize "XXX" 'mouse-face 'highlight) | |
107 | 'before-string "..." | |
108 | 'after-string "...") | |
109 | (insert "\n\n Expected: " | |
110 | (propertize "XXX\n" 'face 'highlight) | |
111 | "\n Test: ") | |
112 | (test-insert-overlay "XXX\n" 'mouse-face 'highlight) | |
71ab16dd CY |
113 | (insert "\n\n")) |
114 | ||
115 | (defun test-redisplay-3 () | |
116 | (insert "Test 3: Overlay with before/after strings and images:\n\n") | |
117 | (let ((img-data "#define x_width 8 | |
118 | #define x_height 8 | |
119 | static unsigned char x_bits[] = {0xff, 0x81, 0xbd, 0xa5, 0xa5, 0xbd, 0x81, 0xff };")) | |
120 | ;; Control | |
121 | (insert " Expected: AB" | |
122 | (propertize "X" 'display `(image :data ,img-data :type xbm)) | |
123 | "CD\n") | |
124 | ||
125 | ;; Overlay with before, after, and image display string. | |
126 | (insert " Result 1: ") | |
127 | (let ((opoint (point))) | |
128 | (insert "AXD\n") | |
129 | (let ((ov (make-overlay (1+ opoint) (+ 2 opoint)))) | |
130 | (overlay-put ov 'before-string "B") | |
131 | (overlay-put ov 'after-string "C") | |
132 | (overlay-put ov 'display | |
133 | `(image :data ,img-data :type xbm)))) | |
134 | ||
135 | ;; Overlay with before and after string, and image text prop. | |
136 | (insert " Result 2: ") | |
137 | (let ((opoint (point))) | |
138 | (insert "AXD\n") | |
139 | (let ((ov (make-overlay (1+ opoint) (+ 2 opoint)))) | |
140 | (overlay-put ov 'before-string "B") | |
141 | (overlay-put ov 'after-string "C") | |
142 | (put-text-property (1+ opoint) (+ 2 opoint) 'display | |
143 | `(image :data ,img-data :type xbm)))) | |
144 | ||
145 | ;; Overlays with adjacent before and after strings, and image text | |
146 | ;; prop. | |
147 | (insert " Result 3: ") | |
148 | (let ((opoint (point))) | |
149 | (insert "AXD\n") | |
150 | (let ((ov1 (make-overlay opoint (1+ opoint))) | |
151 | (ov2 (make-overlay (+ 2 opoint) (+ 3 opoint)))) | |
152 | (overlay-put ov1 'after-string "B") | |
153 | (overlay-put ov2 'before-string "C") | |
154 | (put-text-property (1+ opoint) (+ 2 opoint) 'display | |
155 | `(image :data ,img-data :type xbm)))) | |
156 | ||
157 | ;; Three overlays. | |
158 | (insert " Result 4: ") | |
159 | (let ((opoint (point))) | |
160 | (insert "AXD\n\n") | |
161 | (let ((ov1 (make-overlay opoint (1+ opoint))) | |
162 | (ov2 (make-overlay (+ 2 opoint) (+ 3 opoint))) | |
163 | (ov3 (make-overlay (1+ opoint) (+ 2 opoint)))) | |
164 | (overlay-put ov1 'after-string "B") | |
165 | (overlay-put ov2 'before-string "C") | |
166 | (overlay-put ov3 'display `(image :data ,img-data :type xbm)))))) | |
167 | ||
6ada5ad1 CY |
168 | |
169 | (defun test-redisplay () | |
170 | (interactive) | |
71ab16dd CY |
171 | (let ((buf (get-buffer "*Redisplay Test*"))) |
172 | (if buf | |
173 | (kill-buffer buf)) | |
174 | (pop-to-buffer (get-buffer-create "*Redisplay Test*")) | |
175 | (erase-buffer) | |
176 | (test-redisplay-1) | |
177 | (test-redisplay-2) | |
178 | (test-redisplay-3) | |
179 | (goto-char (point-min)))) | |
c5c194aa | 180 |