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
| | ;;; lread-tests.el --- tests for lread.c -*- lexical-binding: t; -*-
;; Copyright (C) 2016-2021 Free Software Foundation, Inc.
;; Author: Philipp Stephani <phst@google.com>
;; 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:
;; Unit tests for code in src/lread.c.
;;; Code:
(require 'ert)
(require 'ert-x)
(ert-deftest lread-raw-string-1 ()
(should (string-equal
(read "#r\"\\(?:def\\(?:macro\\|un\\)\\)\"")
"\\(?:def\\(?:macro\\|un\\)\\)")))
(ert-deftest lread-raw-string-2 ()
(should (string-equal
(read "#r\"\\n\"")
"\\n")))
(ert-deftest lread-raw-string-usage-1 ()
(should (equal
(let ((str "(defmacro leaf () nil)"))
(string-match "(\\(def\\(?:macro\\|un\\)\\) \\([^ ]+\\)" str)
(list (match-string 1 str) (match-string 2 str)))
'("defmacro" "leaf")))
(should (equal
(let ((str "(defmacro leaf () nil)"))
(string-match #r"(\(def\(?:macro\|un\)\) \([^ ]+\)" str)
(list (match-string 1 str) (match-string 2 str)))
'("defmacro" "leaf"))))
(ert-deftest lread-raw-string-usage-2 ()
(should (equal
(let ((str "(def\\macro leaf () nil)"))
(string-match "(\\(def\\\\macro\\) \\([^ ]+\\)" str)
(list (match-string 1 str) (match-string 2 str)))
'("def\\macro" "leaf")))
(should (equal
(let ((str "(def\\macro leaf () nil)"))
(string-match #r"(\(def\macro\) \([^ ]+\)" str)
(list (match-string 1 str) (match-string 2 str)))
'("def\\macro" "leaf"))))
(ert-deftest lread-char-number ()
(should (equal (read "?\\N{U+A817}") #xA817)))
(ert-deftest lread-char-name-1 ()
(should (equal (read "?\\N{SYLOTI NAGRI LETTER \n DHO}")
#xA817)))
(ert-deftest lread-char-name-2 ()
(should (equal (read "?\\N{BED}") #x1F6CF)))
(ert-deftest lread-char-name-3 ()
(should (equal (read "?\\N{U+BED}") #xBED)))
(ert-deftest lread-char-name-4 ()
(should (equal (read "?\\N{VARIATION SELECTOR-1}") #xFE00)))
(ert-deftest lread-char-name-5 ()
(should (equal (read "?\\N{VARIATION SELECTOR-16}") #xFE0F)))
(ert-deftest lread-char-name-6 ()
(should (equal (read "?\\N{VARIATION SELECTOR-17}") #xE0100)))
(ert-deftest lread-char-name-7 ()
(should (equal (read "?\\N{VARIATION SELECTOR-256}") #xE01EF)))
(ert-deftest lread-char-name-8 ()
(should (equal (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-F900}") #xF900)))
(ert-deftest lread-char-name-9 ()
(should (equal (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-FAD9}") #xFAD9)))
(ert-deftest lread-char-name-10 ()
(should (equal (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-2F800}") #x2F800)))
(ert-deftest lread-char-name-11 ()
(should (equal (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-2FA1D}") #x2FA1D)))
(ert-deftest lread-char-invalid-number ()
(should-error (read "?\\N{U+110000}") :type 'invalid-read-syntax))
(ert-deftest lread-char-invalid-name-1 ()
(should-error (read "?\\N{DOES NOT EXIST}")) :type 'invalid-read-syntax)
(ert-deftest lread-char-invalid-name-2 ()
(should-error (read "?\\N{VARIATION SELECTOR-0}")) :type 'invalid-read-syntax)
(ert-deftest lread-char-invalid-name-3 ()
(should-error (read "?\\N{VARIATION SELECTOR-257}"))
:type 'invalid-read-syntax)
(ert-deftest lread-char-invalid-name-4 ()
(should-error (read "?\\N{VARIATION SELECTOR--0}"))
:type 'invalid-read-syntax)
(ert-deftest lread-char-invalid-name-5 ()
(should-error (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-F8FF}"))
:type 'invalid-read-syntax)
(ert-deftest lread-char-invalid-name-6 ()
(should-error (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-FADA}"))
:type 'invalid-read-syntax)
(ert-deftest lread-char-invalid-name-7 ()
(should-error (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-2F7FF}"))
:type 'invalid-read-syntax)
(ert-deftest lread-char-invalid-name-8 ()
(should-error (read "?\\N{CJK COMPATIBILITY IDEOGRAPH-2FA1E}"))
:type 'invalid-read-syntax)
(ert-deftest lread-char-non-ascii-name ()
(should-error (read "?\\N{LATIN CAPITAL LETTER Ø}")
:type 'invalid-read-syntax))
(ert-deftest lread-char-empty-name ()
(should-error (read "?\\N{}") :type 'invalid-read-syntax))
(ert-deftest lread-char-surrogate-1 ()
(should-error (read "?\\N{U+D800}") :type 'invalid-read-syntax))
(ert-deftest lread-char-surrogate-2 ()
(should-error (read "?\\N{U+D801}") :type 'invalid-read-syntax))
(ert-deftest lread-char-surrogate-3 ()
(should-error (read "?\\N{U+Dffe}") :type 'invalid-read-syntax))
(ert-deftest lread-char-surrogate-4 ()
(should-error (read "?\\N{U+DFFF}") :type 'invalid-read-syntax))
(ert-deftest lread-string-char-number-1 ()
(should (equal (read "\"a\\N{U+A817}b\"") "a\uA817b")))
(ert-deftest lread-string-char-number-2 ()
(should-error (read "?\\N{0.5}") :type 'invalid-read-syntax))
(ert-deftest lread-string-char-number-3 ()
(should-error (read "?\\N{U+-0}") :type 'invalid-read-syntax))
(ert-deftest lread-string-char-name ()
(should (equal (read "\"a\\N{SYLOTI NAGRI LETTER DHO}b\"") "a\uA817b")))
(ert-deftest lread-empty-int-literal ()
"Check that Bug#25120 is fixed."
(should-error (read "#b") :type 'invalid-read-syntax)
(should-error (read "#o") :type 'invalid-read-syntax)
(should-error (read "#x") :type 'invalid-read-syntax)
(should-error (read "#24r") :type 'invalid-read-syntax)
(should-error (read "#") :type 'invalid-read-syntax))
(ert-deftest lread-record-1 ()
(should (equal '(#s(foo) #s(foo))
(read "(#1=#s(foo) #1#)"))))
(defmacro lread-tests--with-temp-file (file-name-var &rest body)
(declare (indent 1))
(cl-check-type file-name-var symbol)
`(let ((,file-name-var (make-temp-file "emacs")))
(unwind-protect
(progn ,@body)
(delete-file ,file-name-var))))
(defun lread-tests--last-message ()
(with-current-buffer "*Messages*"
(save-excursion
(goto-char (point-max))
(skip-chars-backward "\n")
(buffer-substring (line-beginning-position) (point)))))
(ert-deftest lread-tests--unescaped-char-literals ()
"Check that loading warns about unescaped character
literals (Bug#20852)."
(lread-tests--with-temp-file file-name
(write-region "?) ?( ?; ?\" ?[ ?]" nil file-name)
(should (equal (load file-name nil :nomessage :nosuffix) t))
(should (equal (lread-tests--last-message)
(concat (format-message "Loading `%s': " file-name)
"unescaped character literals "
"`?\"', `?(', `?)', `?;', `?[', `?]' detected, "
"`?\\\"', `?\\(', `?\\)', `?\\;', `?\\[', `?\\]' "
"expected!")))))
(ert-deftest lread-test-bug26837 ()
"Test for https://debbugs.gnu.org/26837 ."
(let ((load-path (cons (ert-resource-directory) load-path)))
(load "somelib" nil t)
(should (string-suffix-p "/somelib.el" (caar load-history)))
(load "somelib2" nil t)
(should (string-suffix-p "/somelib2.el" (caar load-history)))
(load "somelib" nil t)
(should (string-suffix-p "/somelib.el" (caar load-history)))))
(ert-deftest lread-lread--substitute-object-in-subtree ()
(let ((x (cons 0 1)))
(setcar x x)
(lread--substitute-object-in-subtree x 1 t)
(should (eq x (cdr x)))))
(ert-deftest lread-long-hex-integer ()
(should (bignump (read "#xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"))))
(ert-deftest lread-test-bug-31186 ()
(with-temp-buffer
(insert ";; -*- -:*-")
(should-not
;; This used to crash in lisp_file_lexically_bound_p before the
;; bug was fixed.
(eval-buffer))))
(ert-deftest lread-invalid-bytecodes ()
(should-error
(let ((load-force-doc-strings t)) (read "#[0 \"\"]"))))
(ert-deftest lread-string-to-number-trailing-dot ()
(dolist (n (list (* most-negative-fixnum most-negative-fixnum)
(1- most-negative-fixnum) most-negative-fixnum
(1+ most-negative-fixnum) -1 0 1
(1- most-positive-fixnum) most-positive-fixnum
(1+ most-positive-fixnum)
(* most-positive-fixnum most-positive-fixnum)))
(should (= n (string-to-number (format "%d." n))))))
(ert-deftest lread-circular-hash ()
(should-error (read "#s(hash-table data #0=(#0# . #0#))")))
(ert-deftest test-inhibit-interaction ()
(let ((inhibit-interaction t))
(should-error (read-char "foo: "))
(should-error (read-event "foo: "))
(should-error (read-char-exclusive "foo: "))))
;;; lread-tests.el ends here
|