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
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
| | ;;; subr-tests.el --- Tests for subr.el
;; Copyright (C) 2015-2019 Free Software Foundation, Inc.
;; Author: Oleh Krehel <ohwoeowho@gmail.com>,
;; Nicolas Petton <nicolas@petton.fr>
;; Keywords:
;; 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'ert)
(eval-when-compile (require 'cl-lib))
(ert-deftest let-when-compile ()
;; good case
(should (equal (macroexpand '(let-when-compile ((foo (+ 2 3)))
(setq bar (eval-when-compile (+ foo foo)))
(setq boo (eval-when-compile (* foo foo)))))
'(progn
(setq bar (quote 10))
(setq boo (quote 25)))))
;; bad case: `eval-when-compile' omitted, byte compiler should catch this
(should (equal (macroexpand
'(let-when-compile ((foo (+ 2 3)))
(setq bar (+ foo foo))
(setq boo (eval-when-compile (* foo foo)))))
'(progn
(setq bar (+ foo foo))
(setq boo (quote 25)))))
;; something practical
(should (equal (macroexpand
'(let-when-compile ((keywords '("true" "false")))
(font-lock-add-keywords
'c++-mode
`((,(eval-when-compile
(format "\\<%s\\>" (regexp-opt keywords)))
0 font-lock-keyword-face)))))
'(font-lock-add-keywords
(quote c++-mode)
(list
(cons (quote
"\\<\\(?:\\(?:fals\\|tru\\)e\\)\\>")
(quote
(0 font-lock-keyword-face))))))))
(ert-deftest provided-mode-derived-p ()
;; base case: `derived-mode' directly derives `prog-mode'
(should (progn
(define-derived-mode derived-mode prog-mode "test")
(provided-mode-derived-p 'derived-mode 'prog-mode)))
;; edge case: `derived-mode' derives an alias of `prog-mode'
(should (progn
(defalias 'parent-mode
(if (fboundp 'prog-mode) 'prog-mode 'fundamental-mode))
(define-derived-mode derived-mode parent-mode "test")
(provided-mode-derived-p 'derived-mode 'prog-mode))))
(ert-deftest number-sequence-test ()
(should (= (length
(number-sequence (1- most-positive-fixnum) most-positive-fixnum))
2))
(should (= (length
(number-sequence
(1+ most-negative-fixnum) most-negative-fixnum -1))
2)))
(ert-deftest string-comparison-test ()
(should (string-lessp "abc" "acb"))
(should (string-lessp "aBc" "abc"))
(should (string-lessp "abc" "abcd"))
(should (string-lessp "abc" "abcd"))
(should-not (string-lessp "abc" "abc"))
(should-not (string-lessp "" ""))
(should (string-greaterp "acb" "abc"))
(should (string-greaterp "abc" "aBc"))
(should (string-greaterp "abcd" "abc"))
(should (string-greaterp "abcd" "abc"))
(should-not (string-greaterp "abc" "abc"))
(should-not (string-greaterp "" ""))
;; Symbols are also accepted
(should (string-lessp 'abc 'acb))
(should (string-lessp "abc" 'acb))
(should (string-greaterp 'acb 'abc))
(should (string-greaterp "acb" 'abc)))
(ert-deftest subr-test-when ()
(should (equal (when t 1) 1))
(should (equal (when t 2) 2))
(should (equal (when nil 1) nil))
(should (equal (when nil 2) nil))
(should (equal (when t 'x 1) 1))
(should (equal (when t 'x 2) 2))
(should (equal (when nil 'x 1) nil))
(should (equal (when nil 'x 2) nil))
(let ((x 1))
(should-not (when nil
(setq x (1+ x))
x))
(should (= x 1))
(should (= 2 (when t
(setq x (1+ x))
x)))
(should (= x 2)))
(should (equal (macroexpand-all '(when a b c d))
'(if a (progn b c d)))))
(ert-deftest subr-test-version-parsing ()
(should (equal (version-to-list ".5") '(0 5)))
(should (equal (version-to-list "0.9 alpha1") '(0 9 -3 1)))
(should (equal (version-to-list "0.9 snapshot") '(0 9 -4)))
(should (equal (version-to-list "0.9-alpha1") '(0 9 -3 1)))
(should (equal (version-to-list "0.9-snapshot") '(0 9 -4)))
(should (equal (version-to-list "0.9.snapshot") '(0 9 -4)))
(should (equal (version-to-list "0.9_snapshot") '(0 9 -4)))
(should (equal (version-to-list "0.9alpha1") '(0 9 -3 1)))
(should (equal (version-to-list "0.9snapshot") '(0 9 -4)))
(should (equal (version-to-list "1.0 git") '(1 0 -4)))
(should (equal (version-to-list "1.0 pre2") '(1 0 -1 2)))
(should (equal (version-to-list "1.0-git") '(1 0 -4)))
(should (equal (version-to-list "1.0-pre2") '(1 0 -1 2)))
(should (equal (version-to-list "1.0.1-a") '(1 0 1 1)))
(should (equal (version-to-list "1.0.1-f") '(1 0 1 6)))
(should (equal (version-to-list "1.0.1.a") '(1 0 1 1)))
(should (equal (version-to-list "1.0.1.f") '(1 0 1 6)))
(should (equal (version-to-list "1.0.1_a") '(1 0 1 1)))
(should (equal (version-to-list "1.0.1_f") '(1 0 1 6)))
(should (equal (version-to-list "1.0.1a") '(1 0 1 1)))
(should (equal (version-to-list "1.0.1f") '(1 0 1 6)))
(should (equal (version-to-list "1.0.7.5") '(1 0 7 5)))
(should (equal (version-to-list "1.0.git") '(1 0 -4)))
(should (equal (version-to-list "1.0.pre2") '(1 0 -1 2)))
(should (equal (version-to-list "1.0_git") '(1 0 -4)))
(should (equal (version-to-list "1.0_pre2") '(1 0 -1 2)))
(should (equal (version-to-list "1.0git") '(1 0 -4)))
(should (equal (version-to-list "1.0pre2") '(1 0 -1 2)))
(should (equal (version-to-list "22.8 beta3") '(22 8 -2 3)))
(should (equal (version-to-list "22.8-beta3") '(22 8 -2 3)))
(should (equal (version-to-list "22.8.beta3") '(22 8 -2 3)))
(should (equal (version-to-list "22.8_beta3") '(22 8 -2 3)))
(should (equal (version-to-list "22.8beta3") '(22 8 -2 3)))
(should (equal (version-to-list "6.9.30 Beta") '(6 9 30 -2)))
(should (equal (version-to-list "6.9.30-Beta") '(6 9 30 -2)))
(should (equal (version-to-list "6.9.30.Beta") '(6 9 30 -2)))
(should (equal (version-to-list "6.9.30Beta") '(6 9 30 -2)))
(should (equal (version-to-list "6.9.30_Beta") '(6 9 30 -2)))
(should (equal
(error-message-string (should-error (version-to-list "OTP-18.1.5")))
"Invalid version syntax: `OTP-18.1.5' (must start with a number)"))
(should (equal
(error-message-string (should-error (version-to-list "")))
"Invalid version syntax: `' (must start with a number)"))
(should (equal
(error-message-string (should-error (version-to-list "1.0..7.5")))
"Invalid version syntax: `1.0..7.5'"))
(should (equal
(error-message-string (should-error (version-to-list "1.0prepre2")))
"Invalid version syntax: `1.0prepre2'"))
(should (equal
(error-message-string (should-error (version-to-list "22.8X3")))
"Invalid version syntax: `22.8X3'"))
(should (equal
(error-message-string (should-error (version-to-list "beta22.8alpha3")))
"Invalid version syntax: `beta22.8alpha3' (must start with a number)"))
(should (equal
(error-message-string (should-error (version-to-list "honk")))
"Invalid version syntax: `honk' (must start with a number)"))
(should (equal
(error-message-string (should-error (version-to-list 9)))
"Version must be a string"))
(let ((version-separator "_"))
(should (equal (version-to-list "_5") '(0 5)))
(should (equal (version-to-list "0_9 alpha1") '(0 9 -3 1)))
(should (equal (version-to-list "0_9 snapshot") '(0 9 -4)))
(should (equal (version-to-list "0_9-alpha1") '(0 9 -3 1)))
(should (equal (version-to-list "0_9-snapshot") '(0 9 -4)))
(should (equal (version-to-list "0_9.alpha1") '(0 9 -3 1)))
(should (equal (version-to-list "0_9.snapshot") '(0 9 -4)))
(should (equal (version-to-list "0_9alpha1") '(0 9 -3 1)))
(should (equal (version-to-list "0_9snapshot") '(0 9 -4)))
(should (equal (version-to-list "1_0 git") '(1 0 -4)))
(should (equal (version-to-list "1_0 pre2") '(1 0 -1 2)))
(should (equal (version-to-list "1_0-git") '(1 0 -4)))
(should (equal (version-to-list "1_0.pre2") '(1 0 -1 2)))
(should (equal (version-to-list "1_0_1-a") '(1 0 1 1)))
(should (equal (version-to-list "1_0_1-f") '(1 0 1 6)))
(should (equal (version-to-list "1_0_1.a") '(1 0 1 1)))
(should (equal (version-to-list "1_0_1.f") '(1 0 1 6)))
(should (equal (version-to-list "1_0_1_a") '(1 0 1 1)))
(should (equal (version-to-list "1_0_1_f") '(1 0 1 6)))
(should (equal (version-to-list "1_0_1a") '(1 0 1 1)))
(should (equal (version-to-list "1_0_1f") '(1 0 1 6)))
(should (equal (version-to-list "1_0_7_5") '(1 0 7 5)))
(should (equal (version-to-list "1_0_git") '(1 0 -4)))
(should (equal (version-to-list "1_0pre2") '(1 0 -1 2)))
(should (equal (version-to-list "22_8 beta3") '(22 8 -2 3)))
(should (equal (version-to-list "22_8-beta3") '(22 8 -2 3)))
(should (equal (version-to-list "22_8.beta3") '(22 8 -2 3)))
(should (equal (version-to-list "22_8beta3") '(22 8 -2 3)))
(should (equal (version-to-list "6_9_30 Beta") '(6 9 30 -2)))
(should (equal (version-to-list "6_9_30-Beta") '(6 9 30 -2)))
(should (equal (version-to-list "6_9_30.Beta") '(6 9 30 -2)))
(should (equal (version-to-list "6_9_30Beta") '(6 9 30 -2)))
(should (equal
(error-message-string (should-error (version-to-list "1_0__7_5")))
"Invalid version syntax: `1_0__7_5'"))
(should (equal
(error-message-string (should-error (version-to-list "1_0prepre2")))
"Invalid version syntax: `1_0prepre2'"))
(should (equal
(error-message-string (should-error (version-to-list "22.8X3")))
"Invalid version syntax: `22.8X3'"))
(should (equal
(error-message-string (should-error (version-to-list "beta22_8alpha3")))
"Invalid version syntax: `beta22_8alpha3' (must start with a number)"))))
(defun subr-test--backtrace-frames-with-backtrace-frame (base)
"Reference implementation of `backtrace-frames'."
(let ((idx 0)
(frame nil)
(frames nil))
(while (setq frame (backtrace-frame idx base))
(push frame frames)
(setq idx (1+ idx)))
(nreverse frames)))
(defun subr-test--frames-2 (base)
(let ((_dummy nil))
(progn ;; Add a few frames to top of stack
(unwind-protect
(cons (mapcar (pcase-lambda (`(,evald ,func ,args ,_))
`(,evald ,func ,@args))
(backtrace-frames base))
(subr-test--backtrace-frames-with-backtrace-frame base))))))
(defun subr-test--frames-1 (base)
(subr-test--frames-2 base))
(ert-deftest subr-test-backtrace-simple-tests ()
"Test backtrace-related functions (simple tests).
This exercises `backtrace-frame', and indirectly `mapbacktrace'."
;; `mapbacktrace' returns nil
(should (equal (mapbacktrace #'ignore) nil))
;; Unbound BASE is silently ignored
(let ((unbound (make-symbol "ub")))
(should (equal (backtrace-frame 0 unbound) nil))
(should (equal (mapbacktrace #'error unbound) nil)))
;; First frame is backtrace-related function
(should (equal (backtrace-frame 0) '(t backtrace-frame 0)))
(let ((throw-args (lambda (&rest args) (throw 'ret args))))
(should (equal (catch 'ret (mapbacktrace throw-args))
`(t mapbacktrace (,throw-args) nil))))
;; Past-end NFRAMES is silently ignored
(should (equal (backtrace-frame most-positive-fixnum) nil)))
(ert-deftest subr-test-backtrace-integration-test ()
"Test backtrace-related functions (integration test).
This exercises `backtrace-frame', `backtrace-frames', and
indirectly `mapbacktrace'."
;; Compare two implementations of backtrace-frames
(let ((frame-lists (subr-test--frames-1 'subr-test--frames-2)))
(should (equal (car frame-lists) (cdr frame-lists)))))
(ert-deftest subr-tests--string-match-p--blank ()
"Test that [:blank:] matches horizontal whitespace, cf. Bug#25366."
(should (equal (string-match-p "\\`[[:blank:]]\\'" " ") 0))
(should (equal (string-match-p "\\`[[:blank:]]\\'" "\t") 0))
(should-not (string-match-p "\\`[[:blank:]]\\'" "\n"))
(should-not (string-match-p "\\`[[:blank:]]\\'" "a"))
(should (equal (string-match-p "\\`[[:blank:]]\\'" "\N{HAIR SPACE}") 0))
(should (equal (string-match-p "\\`[[:blank:]]\\'" "\u3000") 0))
(should-not (string-match-p "\\`[[:blank:]]\\'" "\N{LINE SEPARATOR}")))
(ert-deftest subr-tests--dolist--wrong-number-of-args ()
"Test that `dolist' doesn't accept wrong types or length of SPEC,
cf. Bug#25477."
(should-error (eval '(dolist (a)))
:type 'wrong-number-of-arguments)
(should-error (eval '(dolist (a () 'result 'invalid)) t)
:type 'wrong-number-of-arguments)
(should-error (eval '(dolist "foo") t)
:type 'wrong-type-argument))
(ert-deftest subr-tests-bug22027 ()
"Test for https://debbugs.gnu.org/22027 ."
(let ((default "foo") res)
(cl-letf (((symbol-function 'read-string)
(lambda (_prompt _init _hist def) def)))
(setq res (read-passwd "pass: " 'confirm (mapconcat #'string default "")))
(should (string= default res)))))
(ert-deftest subr-tests--gensym ()
"Test `gensym' behavior."
(should (equal (symbol-name (let ((gensym-counter 0)) (gensym)))
"g0"))
(should (eq (string-to-char (symbol-name (gensym))) ?g))
(should (eq (string-to-char (symbol-name (gensym "X"))) ?X)))
(ert-deftest subr-tests--assq-delete-all ()
"Test `assq-delete-all' behavior."
(cl-flet ((new-list-fn
()
(list (cons 'a 1) (cons 'b 2) (cons 'c 3) 'd (cons "foo" "bar"))))
(should (equal (cdr (new-list-fn)) (assq-delete-all 'a (new-list-fn))))
(should (equal (new-list-fn) (assq-delete-all 'd (new-list-fn))))
(should (equal (new-list-fn) (assq-delete-all "foo" (new-list-fn))))))
(ert-deftest subr-tests--assoc-delete-all ()
"Test `assoc-delete-all' behavior."
(cl-flet ((new-list-fn
()
(list (cons 'a 1) (cons 'b 2) (cons 'c 3) 'd (cons "foo" "bar"))))
(should (equal (cdr (new-list-fn)) (assoc-delete-all 'a (new-list-fn))))
(should (equal (new-list-fn) (assoc-delete-all 'd (new-list-fn))))
(should (equal (butlast (new-list-fn))
(assoc-delete-all "foo" (new-list-fn))))))
(ert-deftest shell-quote-argument-%-on-w32 ()
"Quoting of `%' in w32 shells isn't perfect.
See https://debbugs.gnu.org/cgi/bugreport.cgi?bug=19350."
:expected-result :failed
(skip-unless (and (fboundp 'w32-shell-dos-semantics)
(w32-shell-dos-semantics)))
(let ((process-environment (append '("ca^=with-caret"
"ca=without-caret")
process-environment)))
;; It actually results in
;; without-caret with-caret
(should (equal (shell-command-to-string
(format "echo %s %s"
"%ca%"
(shell-quote-argument "%ca%")))
"without-caret %ca%"))))
(ert-deftest subr-tests-flatten-tree ()
"Test `flatten-tree' behavior."
(should (equal (flatten-tree '(1 (2 . 3) nil (4 5 (6)) 7))
'(1 2 3 4 5 6 7)))
(should (equal (flatten-tree '((1 . 2)))
'(1 2)))
(should (equal (flatten-tree '(1 nil 2))
'(1 2)))
(should (equal (flatten-tree 42)
'(42)))
(should (equal (flatten-tree t)
'(t)))
(should (equal (flatten-tree nil)
nil))
(should (equal (flatten-tree '((nil) ((((nil)))) nil))
nil))
(should (equal (flatten-tree '(1 ("foo" "bar") 2))
'(1 "foo" "bar" 2))))
(provide 'subr-tests)
;;; subr-tests.el ends here
|