blob: 8a963f100284b30cd4dc4f54a352db193c7f667e (
about) (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
|
;;; undo-tests.el --- Tests of primitive-undo
;; Copyright (C) 2012-2014 Free Software Foundation, Inc.
;; Author: Aaron S. Hawley <aaron.s.hawley@gmail.com>
;; This program 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.
;;
;; This program 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 this program. If not, see `http://www.gnu.org/licenses/'.
;;; Commentary:
;; Profiling when the code was translate from C to Lisp on 2012-12-24.
;;; C
;; (elp-instrument-function 'primitive-undo)
;; (load-file "undo-test.elc")
;; (benchmark 100 '(let ((undo-test5-error nil)) (undo-test-all)))
;; Elapsed time: 305.218000s (104.841000s in 14804 GCs)
;; M-x elp-results
;; Function Name Call Count Elapsed Time Average Time
;; primitive-undo 2600 3.4889999999 0.0013419230
;;; Lisp
;; (load-file "primundo.elc")
;; (elp-instrument-function 'primitive-undo)
;; (benchmark 100 '(undo-test-all))
;; Elapsed time: 295.974000s (104.582000s in 14704 GCs)
;; M-x elp-results
;; Function Name Call Count Elapsed Time Average Time
;; primitive-undo 2700 3.6869999999 0.0013655555
;;; Code:
(require 'ert)
(ert-deftest undo-test0 ()
"Test basics of \\[undo]."
(with-temp-buffer
(buffer-enable-undo)
(condition-case err
(undo)
(error
(unless (string= "No further undo information"
(cadr err))
(error err))))
(undo-boundary)
(insert "This")
(undo-boundary)
(erase-buffer)
(undo-boundary)
(insert "That")
(undo-boundary)
(forward-word -1)
(undo-boundary)
(insert "With ")
(undo-boundary)
(forward-word -1)
(undo-boundary)
(kill-word 1)
(undo-boundary)
(put-text-property (point-min) (point-max) 'face 'bold)
(undo-boundary)
(remove-text-properties (point-min) (point-max) '(face default))
(undo-boundary)
(set-buffer-multibyte (not enable-multibyte-characters))
(undo-boundary)
(undo)
(should
(equal (should-error (undo-more nil))
'(wrong-type-argument number-or-marker-p nil)))
(undo-more 7)
(should (string-equal "" (buffer-string)))))
(ert-deftest undo-test1 ()
"Test undo of \\[undo] command (redo)."
(with-temp-buffer
(buffer-enable-undo)
(undo-boundary)
(insert "This")
(undo-boundary)
(erase-buffer)
(undo-boundary)
(insert "That")
(undo-boundary)
(forward-word -1)
(undo-boundary)
(insert "With ")
(undo-boundary)
(forward-word -1)
(undo-boundary)
(kill-word 1)
(undo-boundary)
(facemenu-add-face 'bold (point-min) (point-max))
(undo-boundary)
(set-buffer-multibyte (not enable-multibyte-characters))
(undo-boundary)
(should
(string-equal (buffer-string)
(progn
(undo)
(undo-more 4)
(undo)
;(undo-more -4)
(buffer-string))))))
(ert-deftest undo-test2 ()
"Test basic redoing with \\[undo] command."
(with-temp-buffer
(buffer-enable-undo)
(undo-boundary)
(insert "One")
(undo-boundary)
(insert " Zero")
(undo-boundary)
(push-mark nil t)
(delete-region (save-excursion
(forward-word -1)
(point)) (point))
(undo-boundary)
(beginning-of-line)
(insert "Zero")
(undo-boundary)
(undo)
(should
(string-equal (buffer-string)
(progn
(undo-more 2)
(undo)
(buffer-string))))))
(ert-deftest undo-test4 ()
"Test \\[undo] of \\[flush-lines]."
(with-temp-buffer
(buffer-enable-undo)
(dotimes (i 1048576)
(if (zerop (% i 2))
(insert "Evenses")
(insert "Oddses")))
(undo-boundary)
(should
;; Avoid string-equal because ERT will save the `buffer-string'
;; to the explanation. Using `not' will record nil or non-nil.
(not
(null
(string-equal (buffer-string)
(progn
(flush-lines "oddses" (point-min) (point-max))
(undo-boundary)
(undo)
(undo)
(buffer-string))))))))
(ert-deftest undo-test5 ()
"Test basic redoing with \\[undo] command."
(with-temp-buffer
(buffer-enable-undo)
(undo-boundary)
(insert "AYE")
(undo-boundary)
(insert " BEE")
(undo-boundary)
(setq buffer-undo-list (cons '(0.0 bogus) buffer-undo-list))
(push-mark nil t)
(delete-region (save-excursion
(forward-word -1)
(point)) (point))
(undo-boundary)
(beginning-of-line)
(insert "CEE")
(undo-boundary)
(undo)
(setq buffer-undo-list (cons "bogus" buffer-undo-list))
(should
(string-equal
(buffer-string)
(progn
(if (and (boundp 'undo-test5-error) (not undo-test5-error))
(progn
(should (null (undo-more 2)))
(should (undo)))
;; Errors are generated by new Lisp version of
;; `primitive-undo' not by built-in C version.
(should
(equal (should-error (undo-more 2))
'(error "Unrecognized entry in undo list (0.0 bogus)")))
(should
(equal (should-error (undo))
'(error "Unrecognized entry in undo list \"bogus\""))))
(buffer-string))))))
;; http://debbugs.gnu.org/14824
(ert-deftest undo-test-buffer-modified ()
"Test undoing marks buffer unmodified."
(with-temp-buffer
(buffer-enable-undo)
(insert "1")
(undo-boundary)
(set-buffer-modified-p nil)
(insert "2")
(undo)
(should-not (buffer-modified-p))))
(ert-deftest undo-test-file-modified ()
"Test undoing marks buffer visiting file unmodified."
(let ((tempfile (make-temp-file "undo-test")))
(unwind-protect
(progn
(with-current-buffer (find-file-noselect tempfile)
(insert "1")
(undo-boundary)
(set-buffer-modified-p nil)
(insert "2")
(undo)
(should-not (buffer-modified-p))))
(delete-file tempfile))))
(ert-deftest undo-test-in-region-not-most-recent ()
"Test undo in region of an edit not the most recent."
(with-temp-buffer
(buffer-enable-undo)
(transient-mark-mode 1)
(insert "1111")
(undo-boundary)
(goto-char 2)
(insert "2")
(forward-char 2)
(undo-boundary)
(insert "3")
(undo-boundary)
;; Highlight around "2", not "3"
(push-mark (+ 3 (point-min)) t t)
(setq mark-active t)
(goto-char (point-min))
(undo)
(should (string= (buffer-string)
"11131"))))
(ert-deftest undo-test-in-region-eob ()
"Test undo in region of a deletion at EOB, demonstrating bug 16411."
(with-temp-buffer
(buffer-enable-undo)
(transient-mark-mode 1)
(insert "This sentence corrupted?")
(undo-boundary)
;; Same as recipe at
;; http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16411
(insert "aaa")
(undo-boundary)
(undo)
;; Select entire buffer
(push-mark (point) t t)
(setq mark-active t)
(goto-char (point-min))
;; Should undo the undo of "aaa", ie restore it.
(undo)
(should (string= (buffer-string)
"This sentence corrupted?aaa"))))
(defun undo-test-all (&optional interactive)
"Run all tests for \\[undo]."
(interactive "p")
(if interactive
(ert-run-tests-interactively "^undo-")
(ert-run-tests-batch "^undo-")))
(provide 'undo-tests)
;;; undo-tests.el ends here
|
