1 /* Test of c32islower() function.
2 Copyright (C) 2020-2023 Free Software Foundation, Inc.
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17 #include <config.h>
18
19 #include <uchar.h>
20
21 #include "signature.h"
22 SIGNATURE_CHECK (c32islower, int, (wint_t));
23
24 #include <locale.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <wchar.h>
28
29 #include "macros.h"
30
31 /* Returns the value of c32islower for the multibyte character s[0..n-1]. */
32 static int
33 for_character (const char *s, size_t n)
34 {
35 mbstate_t state;
36 char32_t wc;
37 size_t ret;
38
39 memset (&state, '\0', sizeof (mbstate_t));
40 wc = (char32_t) 0xBADFACE;
41 ret = mbrtoc32 (&wc, s, n, &state);
42 ASSERT (ret == n);
43
44 return c32islower (wc);
45 }
46
47 int
48 main (int argc, char *argv[])
49 {
50 int is;
51 char buf[4];
52
53 /* configure should already have checked that the locale is supported. */
54 if (setlocale (LC_ALL, "") == NULL)
55 return 1;
56
57 /* Test WEOF. */
58 is = c32islower (WEOF);
59 ASSERT (is == 0);
60
61 /* Test single-byte characters.
62 POSIX specifies in
63 <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap07.html>
64 that
65 - in all locales, the lowercase characters include the a ... z
66 characters,
67 - in the "POSIX" locale (which is usually the same as the "C" locale),
68 the lowercase characters include only the ASCII a ... z characters.
69 */
70 {
71 int c;
72
73 for (c = 0; c < 0x100; c++)
74 switch (c)
75 {
76 case '\t': case '\v': case '\f':
77 case ' ': case '!': case '"': case '#': case '%':
78 case '&': case '\'': case '(': case ')': case '*':
79 case '+': case ',': case '-': case '.': case '/':
80 case '0': case '1': case '2': case '3': case '4':
81 case '5': case '6': case '7': case '8': case '9':
82 case ':': case ';': case '<': case '=': case '>':
83 case '?':
84 case 'A': case 'B': case 'C': case 'D': case 'E':
85 case 'F': case 'G': case 'H': case 'I': case 'J':
86 case 'K': case 'L': case 'M': case 'N': case 'O':
87 case 'P': case 'Q': case 'R': case 'S': case 'T':
88 case 'U': case 'V': case 'W': case 'X': case 'Y':
89 case 'Z':
90 case '[': case '\\': case ']': case '^': case '_':
91 case 'a': case 'b': case 'c': case 'd': case 'e':
92 case 'f': case 'g': case 'h': case 'i': case 'j':
93 case 'k': case 'l': case 'm': case 'n': case 'o':
94 case 'p': case 'q': case 'r': case 's': case 't':
95 case 'u': case 'v': case 'w': case 'x': case 'y':
96 case 'z': case '{': case '|': case '}': case '~':
97 /* c is in the ISO C "basic character set". */
98 buf[0] = (unsigned char) c;
99 is = for_character (buf, 1);
100 switch (c)
101 {
102 case 'a': case 'b': case 'c': case 'd': case 'e':
103 case 'f': case 'g': case 'h': case 'i': case 'j':
104 case 'k': case 'l': case 'm': case 'n': case 'o':
105 case 'p': case 'q': case 'r': case 's': case 't':
106 case 'u': case 'v': case 'w': case 'x': case 'y':
107 case 'z':
108 ASSERT (is != 0);
109 break;
110 default:
111 ASSERT (is == 0);
112 break;
113 }
114 break;
115 }
116 }
117
118 if (argc > 1)
119 switch (argv[1][0])
120 {
121 case '0':
122 /* C locale; tested above. */
123 return 0;
124
125 case '1':
126 /* Locale encoding is ISO-8859-1 or ISO-8859-15. */
127 {
128 /* U+00B2 SUPERSCRIPT TWO */
129 is = for_character ("\262", 1);
130 ASSERT (is == 0);
131 #if !(defined __GLIBC__ || (defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __NetBSD__ || defined __sun || defined __CYGWIN__ || (defined _WIN32 && !defined __CYGWIN__))
132 /* U+00B5 MICRO SIGN */
133 is = for_character ("\265", 1);
134 ASSERT (is == 0);
135 #endif
136 /* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */
137 is = for_character ("\311", 1);
138 ASSERT (is == 0);
139 #if !defined __CYGWIN__
140 /* U+00DF LATIN SMALL LETTER SHARP S */
141 is = for_character ("\337", 1);
142 ASSERT (is != 0);
143 #endif
144 /* U+00E9 LATIN SMALL LETTER E WITH ACUTE */
145 is = for_character ("\351", 1);
146 ASSERT (is != 0);
147 /* U+00FF LATIN SMALL LETTER Y WITH DIAERESIS */
148 is = for_character ("\377", 1);
149 ASSERT (is != 0);
150 }
151 return 0;
152
153 case '2':
154 /* Locale encoding is EUC-JP. */
155 {
156 /* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */
157 is = for_character ("\217\252\261", 3);
158 ASSERT (is == 0);
159 #if !((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__ || defined __CYGWIN__)
160 /* U+00DF LATIN SMALL LETTER SHARP S */
161 is = for_character ("\217\251\316", 3);
162 ASSERT (is != 0);
163 #endif
164 #if !((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__)
165 /* U+00E9 LATIN SMALL LETTER E WITH ACUTE */
166 is = for_character ("\217\253\261", 3);
167 ASSERT (is != 0);
168 /* U+00FF LATIN SMALL LETTER Y WITH DIAERESIS */
169 is = for_character ("\217\253\363", 3);
170 ASSERT (is != 0);
171 #endif
172 /* U+0141 LATIN CAPITAL LETTER L WITH STROKE */
173 is = for_character ("\217\251\250", 3);
174 ASSERT (is == 0);
175 #if !((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__)
176 /* U+0142 LATIN SMALL LETTER L WITH STROKE */
177 is = for_character ("\217\251\310", 3);
178 ASSERT (is != 0);
179 #endif
180 /* U+0429 CYRILLIC CAPITAL LETTER SHCHA */
181 is = for_character ("\247\273", 2);
182 ASSERT (is == 0);
183 #if !(defined __FreeBSD__ || defined __DragonFly__)
184 /* U+0449 CYRILLIC SMALL LETTER SHCHA */
185 is = for_character ("\247\353", 2);
186 ASSERT (is != 0);
187 #endif
188 /* U+3073 HIRAGANA LETTER BI */
189 is = for_character ("\244\323", 2);
190 ASSERT (is == 0);
191 #if !defined __DragonFly__
192 /* U+FF47 FULLWIDTH LATIN SMALL LETTER G */
193 is = for_character ("\243\347", 2);
194 ASSERT (is != 0);
195 #endif
196 }
197 return 0;
198
199 case '3':
200 /* Locale encoding is UTF-8. */
201 {
202 /* U+00B2 SUPERSCRIPT TWO */
203 is = for_character ("\302\262", 2);
204 ASSERT (is == 0);
205 #if !(defined __GLIBC__ || defined MUSL_LIBC || (defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__ || defined _AIX || defined __sun || defined __CYGWIN__ || (defined _WIN32 && !defined __CYGWIN__))
206 /* U+00B5 MICRO SIGN */
207 is = for_character ("\302\265", 2);
208 ASSERT (is == 0);
209 #endif
210 /* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */
211 is = for_character ("\303\211", 2);
212 ASSERT (is == 0);
213 #if !defined __CYGWIN__
214 /* U+00DF LATIN SMALL LETTER SHARP S */
215 is = for_character ("\303\237", 2);
216 ASSERT (is != 0);
217 #endif
218 /* U+00E9 LATIN SMALL LETTER E WITH ACUTE */
219 is = for_character ("\303\251", 2);
220 ASSERT (is != 0);
221 /* U+00FF LATIN SMALL LETTER Y WITH DIAERESIS */
222 is = for_character ("\303\277", 2);
223 ASSERT (is != 0);
224 /* U+0141 LATIN CAPITAL LETTER L WITH STROKE */
225 is = for_character ("\305\201", 2);
226 ASSERT (is == 0);
227 /* U+0142 LATIN SMALL LETTER L WITH STROKE */
228 is = for_character ("\305\202", 2);
229 ASSERT (is != 0);
230 /* U+0429 CYRILLIC CAPITAL LETTER SHCHA */
231 is = for_character ("\320\251", 2);
232 ASSERT (is == 0);
233 /* U+0449 CYRILLIC SMALL LETTER SHCHA */
234 is = for_character ("\321\211", 2);
235 ASSERT (is != 0);
236 /* U+05D5 HEBREW LETTER VAV */
237 is = for_character ("\327\225", 2);
238 ASSERT (is == 0);
239 /* U+3073 HIRAGANA LETTER BI */
240 is = for_character ("\343\201\263", 3);
241 ASSERT (is == 0);
242 /* U+3162 HANGUL LETTER YI */
243 is = for_character ("\343\205\242", 3);
244 ASSERT (is == 0);
245 /* U+FF47 FULLWIDTH LATIN SMALL LETTER G */
246 is = for_character ("\357\275\207", 3);
247 ASSERT (is != 0);
248 /* U+FFDB HALFWIDTH HANGUL LETTER YI */
249 is = for_character ("\357\277\233", 3);
250 ASSERT (is == 0);
251 /* U+10419 DESERET CAPITAL LETTER EF */
252 is = for_character ("\360\220\220\231", 4);
253 ASSERT (is == 0);
254 #if !(defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
255 /* U+10441 DESERET SMALL LETTER EF */
256 is = for_character ("\360\220\221\201", 4);
257 ASSERT (is != 0);
258 #endif
259 /* U+E0041 TAG LATIN CAPITAL LETTER A */
260 is = for_character ("\363\240\201\201", 4);
261 ASSERT (is == 0);
262 /* U+E0061 TAG LATIN SMALL LETTER A */
263 is = for_character ("\363\240\201\241", 4);
264 ASSERT (is == 0);
265 }
266 return 0;
267
268 case '4':
269 /* Locale encoding is GB18030. */
270 #if (defined __GLIBC__ && __GLIBC__ == 2 && __GLIBC_MINOR__ >= 13 && __GLIBC_MINOR__ <= 15) || (GL_CHAR32_T_IS_UNICODE && (defined __NetBSD__ || defined __sun))
271 fputs ("Skipping test: The GB18030 converter in this system's iconv is broken.\n", stderr);
272 return 77;
273 #endif
274 {
275 /* U+00B2 SUPERSCRIPT TWO */
276 is = for_character ("\201\060\205\065", 4);
277 ASSERT (is == 0);
278 #if !(defined __GLIBC__ || (defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __NetBSD__)
279 /* U+00B5 MICRO SIGN */
280 is = for_character ("\201\060\205\070", 4);
281 ASSERT (is == 0);
282 #endif
283 /* U+00C9 LATIN CAPITAL LETTER E WITH ACUTE */
284 is = for_character ("\201\060\207\067", 4);
285 ASSERT (is == 0);
286 #if !(defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
287 /* U+00DF LATIN SMALL LETTER SHARP S */
288 is = for_character ("\201\060\211\070", 4);
289 ASSERT (is != 0);
290 #endif
291 #if !defined __DragonFly__
292 /* U+00E9 LATIN SMALL LETTER E WITH ACUTE */
293 is = for_character ("\250\246", 2);
294 ASSERT (is != 0);
295 #endif
296 #if !(defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
297 /* U+00FF LATIN SMALL LETTER Y WITH DIAERESIS */
298 is = for_character ("\201\060\213\067", 4);
299 ASSERT (is != 0);
300 #endif
301 /* U+0141 LATIN CAPITAL LETTER L WITH STROKE */
302 is = for_character ("\201\060\221\071", 4);
303 ASSERT (is == 0);
304 #if !(defined __FreeBSD__ || defined __DragonFly__ || defined __sun)
305 /* U+0142 LATIN SMALL LETTER L WITH STROKE */
306 is = for_character ("\201\060\222\060", 4);
307 ASSERT (is != 0);
308 #endif
309 /* U+0429 CYRILLIC CAPITAL LETTER SHCHA */
310 is = for_character ("\247\273", 2);
311 ASSERT (is == 0);
312 #if !(defined __FreeBSD__ || defined __DragonFly__)
313 /* U+0449 CYRILLIC SMALL LETTER SHCHA */
314 is = for_character ("\247\353", 2);
315 ASSERT (is != 0);
316 #endif
317 /* U+05D5 HEBREW LETTER VAV */
318 is = for_character ("\201\060\371\067", 4);
319 ASSERT (is == 0);
320 /* U+3073 HIRAGANA LETTER BI */
321 is = for_character ("\244\323", 2);
322 ASSERT (is == 0);
323 /* U+3162 HANGUL LETTER YI */
324 is = for_character ("\201\071\256\062", 4);
325 ASSERT (is == 0);
326 #if !defined __DragonFly__
327 /* U+FF47 FULLWIDTH LATIN SMALL LETTER G */
328 is = for_character ("\243\347", 2);
329 ASSERT (is != 0);
330 #endif
331 /* U+FFDB HALFWIDTH HANGUL LETTER YI */
332 is = for_character ("\204\061\241\071", 4);
333 ASSERT (is == 0);
334 /* U+10419 DESERET CAPITAL LETTER EF */
335 is = for_character ("\220\060\351\071", 4);
336 ASSERT (is == 0);
337 #if !((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__ || defined __sun)
338 /* U+10441 DESERET SMALL LETTER EF */
339 is = for_character ("\220\060\355\071", 4);
340 ASSERT (is != 0);
341 #endif
342 /* U+E0041 TAG LATIN CAPITAL LETTER A */
343 is = for_character ("\323\066\234\063", 4);
344 ASSERT (is == 0);
345 /* U+E0061 TAG LATIN SMALL LETTER A */
346 is = for_character ("\323\066\237\065", 4);
347 ASSERT (is == 0);
348 }
349 return 0;
350
351 }
352
353 return 1;
354 }