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source: kBuild/vendor/grep/2.12/gnulib-tests/test-mbrtowc.c@ 3576

Last change on this file since 3576 was 2595, checked in by bird, 13 years ago

gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)
  • Property svn:eol-style set to native
File size: 10.6 KB
Line 
1/* Test of conversion of multibyte character to wide character.
2 Copyright (C) 2008-2012 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 <http://www.gnu.org/licenses/>. */
16
17/* Written by Bruno Haible <[email protected]>, 2008. */
18
19#include <config.h>
20
21#include <wchar.h>
22
23#include "signature.h"
24SIGNATURE_CHECK (mbrtowc, size_t, (wchar_t *, char const *, size_t,
25 mbstate_t *));
26
27#include <locale.h>
28#include <stdio.h>
29#include <string.h>
30
31#include "macros.h"
32
33int
34main (int argc, char *argv[])
35{
36 mbstate_t state;
37 wchar_t wc;
38 size_t ret;
39
40 /* configure should already have checked that the locale is supported. */
41 if (setlocale (LC_ALL, "") == NULL)
42 return 1;
43
44 /* Test zero-length input. */
45 {
46 memset (&state, '\0', sizeof (mbstate_t));
47 wc = (wchar_t) 0xBADFACE;
48 ret = mbrtowc (&wc, "x", 0, &state);
49 /* gnulib's implementation returns (size_t)(-2).
50 The AIX 5.1 implementation returns (size_t)(-1).
51 glibc's implementation returns 0. */
52 ASSERT (ret == (size_t)(-2) || ret == (size_t)(-1) || ret == 0);
53 ASSERT (mbsinit (&state));
54 }
55
56 /* Test NUL byte input. */
57 {
58 memset (&state, '\0', sizeof (mbstate_t));
59 wc = (wchar_t) 0xBADFACE;
60 ret = mbrtowc (&wc, "", 1, &state);
61 ASSERT (ret == 0);
62 ASSERT (wc == 0);
63 ASSERT (mbsinit (&state));
64 ret = mbrtowc (NULL, "", 1, &state);
65 ASSERT (ret == 0);
66 ASSERT (mbsinit (&state));
67 }
68
69 /* Test single-byte input. */
70 {
71 int c;
72 char buf[1];
73
74 memset (&state, '\0', sizeof (mbstate_t));
75 for (c = 0; c < 0x100; c++)
76 switch (c)
77 {
78 case '\t': case '\v': case '\f':
79 case ' ': case '!': case '"': case '#': case '%':
80 case '&': case '\'': case '(': case ')': case '*':
81 case '+': case ',': case '-': case '.': case '/':
82 case '0': case '1': case '2': case '3': case '4':
83 case '5': case '6': case '7': case '8': case '9':
84 case ':': case ';': case '<': case '=': case '>':
85 case '?':
86 case 'A': case 'B': case 'C': case 'D': case 'E':
87 case 'F': case 'G': case 'H': case 'I': case 'J':
88 case 'K': case 'L': case 'M': case 'N': case 'O':
89 case 'P': case 'Q': case 'R': case 'S': case 'T':
90 case 'U': case 'V': case 'W': case 'X': case 'Y':
91 case 'Z':
92 case '[': case '\\': case ']': case '^': case '_':
93 case 'a': case 'b': case 'c': case 'd': case 'e':
94 case 'f': case 'g': case 'h': case 'i': case 'j':
95 case 'k': case 'l': case 'm': case 'n': case 'o':
96 case 'p': case 'q': case 'r': case 's': case 't':
97 case 'u': case 'v': case 'w': case 'x': case 'y':
98 case 'z': case '{': case '|': case '}': case '~':
99 /* c is in the ISO C "basic character set". */
100 buf[0] = c;
101 wc = (wchar_t) 0xBADFACE;
102 ret = mbrtowc (&wc, buf, 1, &state);
103 ASSERT (ret == 1);
104 ASSERT (wc == c);
105 ASSERT (mbsinit (&state));
106 ret = mbrtowc (NULL, buf, 1, &state);
107 ASSERT (ret == 1);
108 ASSERT (mbsinit (&state));
109 break;
110 }
111 }
112
113 /* Test special calling convention, passing a NULL pointer. */
114 {
115 memset (&state, '\0', sizeof (mbstate_t));
116 wc = (wchar_t) 0xBADFACE;
117 ret = mbrtowc (&wc, NULL, 5, &state);
118 ASSERT (ret == 0);
119 ASSERT (wc == (wchar_t) 0xBADFACE);
120 ASSERT (mbsinit (&state));
121 }
122
123 if (argc > 1)
124 switch (argv[1][0])
125 {
126 case '1':
127 /* Locale encoding is ISO-8859-1 or ISO-8859-15. */
128 {
129 char input[] = "B\374\337er"; /* "Büßer" */
130 memset (&state, '\0', sizeof (mbstate_t));
131
132 wc = (wchar_t) 0xBADFACE;
133 ret = mbrtowc (&wc, input, 1, &state);
134 ASSERT (ret == 1);
135 ASSERT (wc == 'B');
136 ASSERT (mbsinit (&state));
137 input[0] = '\0';
138
139 wc = (wchar_t) 0xBADFACE;
140 ret = mbrtowc (&wc, input + 1, 1, &state);
141 ASSERT (ret == 1);
142 ASSERT (wctob (wc) == (unsigned char) '\374');
143 ASSERT (mbsinit (&state));
144 input[1] = '\0';
145
146 /* Test support of NULL first argument. */
147 ret = mbrtowc (NULL, input + 2, 3, &state);
148 ASSERT (ret == 1);
149 ASSERT (mbsinit (&state));
150
151 wc = (wchar_t) 0xBADFACE;
152 ret = mbrtowc (&wc, input + 2, 3, &state);
153 ASSERT (ret == 1);
154 ASSERT (wctob (wc) == (unsigned char) '\337');
155 ASSERT (mbsinit (&state));
156 input[2] = '\0';
157
158 wc = (wchar_t) 0xBADFACE;
159 ret = mbrtowc (&wc, input + 3, 2, &state);
160 ASSERT (ret == 1);
161 ASSERT (wc == 'e');
162 ASSERT (mbsinit (&state));
163 input[3] = '\0';
164
165 wc = (wchar_t) 0xBADFACE;
166 ret = mbrtowc (&wc, input + 4, 1, &state);
167 ASSERT (ret == 1);
168 ASSERT (wc == 'r');
169 ASSERT (mbsinit (&state));
170 }
171 return 0;
172
173 case '2':
174 /* Locale encoding is UTF-8. */
175 {
176 char input[] = "B\303\274\303\237er"; /* "Büßer" */
177 memset (&state, '\0', sizeof (mbstate_t));
178
179 wc = (wchar_t) 0xBADFACE;
180 ret = mbrtowc (&wc, input, 1, &state);
181 ASSERT (ret == 1);
182 ASSERT (wc == 'B');
183 ASSERT (mbsinit (&state));
184 input[0] = '\0';
185
186 wc = (wchar_t) 0xBADFACE;
187 ret = mbrtowc (&wc, input + 1, 1, &state);
188 ASSERT (ret == (size_t)(-2));
189 ASSERT (wc == (wchar_t) 0xBADFACE);
190 ASSERT (!mbsinit (&state));
191 input[1] = '\0';
192
193 wc = (wchar_t) 0xBADFACE;
194 ret = mbrtowc (&wc, input + 2, 5, &state);
195 ASSERT (ret == 1);
196 ASSERT (wctob (wc) == EOF);
197 ASSERT (mbsinit (&state));
198 input[2] = '\0';
199
200 /* Test support of NULL first argument. */
201 ret = mbrtowc (NULL, input + 3, 4, &state);
202 ASSERT (ret == 2);
203 ASSERT (mbsinit (&state));
204
205 wc = (wchar_t) 0xBADFACE;
206 ret = mbrtowc (&wc, input + 3, 4, &state);
207 ASSERT (ret == 2);
208 ASSERT (wctob (wc) == EOF);
209 ASSERT (mbsinit (&state));
210 input[3] = '\0';
211 input[4] = '\0';
212
213 wc = (wchar_t) 0xBADFACE;
214 ret = mbrtowc (&wc, input + 5, 2, &state);
215 ASSERT (ret == 1);
216 ASSERT (wc == 'e');
217 ASSERT (mbsinit (&state));
218 input[5] = '\0';
219
220 wc = (wchar_t) 0xBADFACE;
221 ret = mbrtowc (&wc, input + 6, 1, &state);
222 ASSERT (ret == 1);
223 ASSERT (wc == 'r');
224 ASSERT (mbsinit (&state));
225 }
226 return 0;
227
228 case '3':
229 /* Locale encoding is EUC-JP. */
230 {
231 char input[] = "<\306\374\313\334\270\354>"; /* "<日本語>" */
232 memset (&state, '\0', sizeof (mbstate_t));
233
234 wc = (wchar_t) 0xBADFACE;
235 ret = mbrtowc (&wc, input, 1, &state);
236 ASSERT (ret == 1);
237 ASSERT (wc == '<');
238 ASSERT (mbsinit (&state));
239 input[0] = '\0';
240
241 wc = (wchar_t) 0xBADFACE;
242 ret = mbrtowc (&wc, input + 1, 2, &state);
243 ASSERT (ret == 2);
244 ASSERT (wctob (wc) == EOF);
245 ASSERT (mbsinit (&state));
246 input[1] = '\0';
247 input[2] = '\0';
248
249 wc = (wchar_t) 0xBADFACE;
250 ret = mbrtowc (&wc, input + 3, 1, &state);
251 ASSERT (ret == (size_t)(-2));
252 ASSERT (wc == (wchar_t) 0xBADFACE);
253 ASSERT (!mbsinit (&state));
254 input[3] = '\0';
255
256 wc = (wchar_t) 0xBADFACE;
257 ret = mbrtowc (&wc, input + 4, 4, &state);
258 ASSERT (ret == 1);
259 ASSERT (wctob (wc) == EOF);
260 ASSERT (mbsinit (&state));
261 input[4] = '\0';
262
263 /* Test support of NULL first argument. */
264 ret = mbrtowc (NULL, input + 5, 3, &state);
265 ASSERT (ret == 2);
266 ASSERT (mbsinit (&state));
267
268 wc = (wchar_t) 0xBADFACE;
269 ret = mbrtowc (&wc, input + 5, 3, &state);
270 ASSERT (ret == 2);
271 ASSERT (wctob (wc) == EOF);
272 ASSERT (mbsinit (&state));
273 input[5] = '\0';
274 input[6] = '\0';
275
276 wc = (wchar_t) 0xBADFACE;
277 ret = mbrtowc (&wc, input + 7, 1, &state);
278 ASSERT (ret == 1);
279 ASSERT (wc == '>');
280 ASSERT (mbsinit (&state));
281 }
282 return 0;
283
284 case '4':
285 /* Locale encoding is GB18030. */
286 {
287 char input[] = "B\250\271\201\060\211\070er"; /* "Büßer" */
288 memset (&state, '\0', sizeof (mbstate_t));
289
290 wc = (wchar_t) 0xBADFACE;
291 ret = mbrtowc (&wc, input, 1, &state);
292 ASSERT (ret == 1);
293 ASSERT (wc == 'B');
294 ASSERT (mbsinit (&state));
295 input[0] = '\0';
296
297 wc = (wchar_t) 0xBADFACE;
298 ret = mbrtowc (&wc, input + 1, 1, &state);
299 ASSERT (ret == (size_t)(-2));
300 ASSERT (wc == (wchar_t) 0xBADFACE);
301 ASSERT (!mbsinit (&state));
302 input[1] = '\0';
303
304 wc = (wchar_t) 0xBADFACE;
305 ret = mbrtowc (&wc, input + 2, 7, &state);
306 ASSERT (ret == 1);
307 ASSERT (wctob (wc) == EOF);
308 ASSERT (mbsinit (&state));
309 input[2] = '\0';
310
311 /* Test support of NULL first argument. */
312 ret = mbrtowc (NULL, input + 3, 6, &state);
313 ASSERT (ret == 4);
314 ASSERT (mbsinit (&state));
315
316 wc = (wchar_t) 0xBADFACE;
317 ret = mbrtowc (&wc, input + 3, 6, &state);
318 ASSERT (ret == 4);
319 ASSERT (wctob (wc) == EOF);
320 ASSERT (mbsinit (&state));
321 input[3] = '\0';
322 input[4] = '\0';
323 input[5] = '\0';
324 input[6] = '\0';
325
326 wc = (wchar_t) 0xBADFACE;
327 ret = mbrtowc (&wc, input + 7, 2, &state);
328 ASSERT (ret == 1);
329 ASSERT (wc == 'e');
330 ASSERT (mbsinit (&state));
331 input[5] = '\0';
332
333 wc = (wchar_t) 0xBADFACE;
334 ret = mbrtowc (&wc, input + 8, 1, &state);
335 ASSERT (ret == 1);
336 ASSERT (wc == 'r');
337 ASSERT (mbsinit (&state));
338 }
339 return 0;
340 }
341
342 return 1;
343}
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