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d23d4ef1 | 1 | /* Test STRCHR functions. |
688903eb | 2 | Copyright (C) 1999-2018 Free Software Foundation, Inc. |
58ef9ef7 RM |
3 | This file is part of the GNU C Library. |
4 | Written by Jakub Jelinek <jakub@redhat.com>, 1999. | |
2d09f82f | 5 | Added wcschr support by Liubov Dmitrieva <liubov.dmitrieva@gmail.com>, 2011 |
58ef9ef7 RM |
6 | |
7 | The GNU C Library is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Lesser General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2.1 of the License, or (at your option) any later version. | |
11 | ||
12 | The GNU C Library is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
18 | License along with the GNU C Library; if not, see |
19 | <http://www.gnu.org/licenses/>. */ | |
58ef9ef7 RM |
20 | |
21 | #define TEST_MAIN | |
69f07e5f L |
22 | #ifndef WIDE |
23 | # ifdef USE_FOR_STRCHRNUL | |
24 | # define TEST_NAME "strchrnul" | |
25 | # else | |
26 | # define TEST_NAME "strchr" | |
d23d4ef1 | 27 | # endif /* !USE_FOR_STRCHRNUL */ |
69f07e5f | 28 | #else |
d23d4ef1 SL |
29 | # ifdef USE_FOR_STRCHRNUL |
30 | # define TEST_NAME "wcschrnul" | |
31 | # else | |
32 | # define TEST_NAME "wcschr" | |
33 | # endif /* !USE_FOR_STRCHRNUL */ | |
34 | #endif /* WIDE */ | |
58ef9ef7 RM |
35 | #include "test-string.h" |
36 | ||
2d09f82f | 37 | #ifndef WIDE |
51d91b18 UD |
38 | # ifdef USE_FOR_STRCHRNUL |
39 | # define STRCHR strchrnul | |
40 | # define stupid_STRCHR stupid_STRCHRNUL | |
41 | # define simple_STRCHR simple_STRCHRNUL | |
42 | # else | |
43 | # define STRCHR strchr | |
d23d4ef1 | 44 | # endif /* !USE_FOR_STRCHRNUL */ |
2d09f82f LD |
45 | # define STRLEN strlen |
46 | # define CHAR char | |
47 | # define BIG_CHAR CHAR_MAX | |
48 | # define MIDDLE_CHAR 127 | |
49 | # define SMALL_CHAR 23 | |
50 | # define UCHAR unsigned char | |
3b20fd5c | 51 | # define L(s) s |
2d09f82f LD |
52 | #else |
53 | # include <wchar.h> | |
d23d4ef1 SL |
54 | # ifdef USE_FOR_STRCHRNUL |
55 | # define STRCHR wcschrnul | |
56 | # define stupid_STRCHR stupid_WCSCHRNUL | |
57 | # define simple_STRCHR simple_WCSCHRNUL | |
58 | # else | |
59 | # define STRCHR wcschr | |
60 | # endif /* !USE_FOR_STRCHRNUL */ | |
2d09f82f LD |
61 | # define STRLEN wcslen |
62 | # define CHAR wchar_t | |
63 | # define BIG_CHAR WCHAR_MAX | |
64 | # define MIDDLE_CHAR 1121 | |
65 | # define SMALL_CHAR 851 | |
66 | # define UCHAR wchar_t | |
3b20fd5c | 67 | # define L(s) L ## s |
d23d4ef1 | 68 | #endif /* WIDE */ |
2d09f82f | 69 | |
51d91b18 UD |
70 | #ifdef USE_FOR_STRCHRNUL |
71 | # define NULLRET(endptr) endptr | |
72 | #else | |
73 | # define NULLRET(endptr) NULL | |
d23d4ef1 | 74 | #endif /* !USE_FOR_STRCHRNUL */ |
51d91b18 UD |
75 | |
76 | ||
2d09f82f LD |
77 | typedef CHAR *(*proto_t) (const CHAR *, int); |
78 | ||
79 | CHAR * | |
80 | simple_STRCHR (const CHAR *s, int c) | |
58ef9ef7 | 81 | { |
2d09f82f | 82 | for (; *s != (CHAR) c; ++s) |
58ef9ef7 | 83 | if (*s == '\0') |
51d91b18 | 84 | return NULLRET ((CHAR *) s); |
2d09f82f | 85 | return (CHAR *) s; |
58ef9ef7 RM |
86 | } |
87 | ||
2d09f82f LD |
88 | CHAR * |
89 | stupid_STRCHR (const CHAR *s, int c) | |
e8c1660f | 90 | { |
2d09f82f | 91 | size_t n = STRLEN (s) + 1; |
e8c1660f RM |
92 | |
93 | while (n--) | |
2d09f82f LD |
94 | if (*s++ == (CHAR) c) |
95 | return (CHAR *) s - 1; | |
51d91b18 | 96 | return NULLRET ((CHAR *) s - 1); |
e8c1660f RM |
97 | } |
98 | ||
37822576 AS |
99 | IMPL (stupid_STRCHR, 0) |
100 | IMPL (simple_STRCHR, 0) | |
2d09f82f LD |
101 | IMPL (STRCHR, 1) |
102 | ||
03759f47 L |
103 | static int |
104 | check_result (impl_t *impl, const CHAR *s, int c, const CHAR *exp_res) | |
58ef9ef7 | 105 | { |
2d09f82f | 106 | CHAR *res = CALL (impl, s, c); |
58ef9ef7 RM |
107 | if (res != exp_res) |
108 | { | |
51d91b18 UD |
109 | error (0, 0, "Wrong result in function %s %#x %p %p", impl->name, |
110 | c, res, exp_res); | |
58ef9ef7 | 111 | ret = 1; |
03759f47 | 112 | return -1; |
58ef9ef7 | 113 | } |
03759f47 L |
114 | return 0; |
115 | } | |
116 | ||
117 | static void | |
118 | do_one_test (impl_t *impl, const CHAR *s, int c, const CHAR *exp_res) | |
119 | { | |
120 | if (check_result (impl, s, c, exp_res) < 0) | |
121 | return; | |
58ef9ef7 RM |
122 | } |
123 | ||
124 | static void | |
125 | do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char) | |
37822576 AS |
126 | /* For wcschr: align here means align not in bytes, |
127 | but in wchar_ts, in bytes it will equal to align * (sizeof (wchar_t)) | |
128 | len for wcschr here isn't in bytes but it's number of wchar_t symbols. */ | |
58ef9ef7 RM |
129 | { |
130 | size_t i; | |
2d09f82f | 131 | CHAR *result; |
37822576 | 132 | CHAR *buf = (CHAR *) buf1; |
2d09f82f | 133 | align &= 15; |
37822576 | 134 | if ((align + len) * sizeof (CHAR) >= page_size) |
58ef9ef7 | 135 | return; |
c9df3df9 | 136 | |
58ef9ef7 RM |
137 | for (i = 0; i < len; ++i) |
138 | { | |
2d09f82f LD |
139 | buf[align + i] = 32 + 23 * i % max_char; |
140 | if (buf[align + i] == seek_char) | |
afb05e81 | 141 | buf[align + i] = seek_char + 1; |
37822576 AS |
142 | else if (buf[align + i] == 0) |
143 | buf[align + i] = 1; | |
58ef9ef7 | 144 | } |
2d09f82f | 145 | buf[align + len] = 0; |
58ef9ef7 RM |
146 | |
147 | if (pos < len) | |
148 | { | |
2d09f82f LD |
149 | buf[align + pos] = seek_char; |
150 | result = buf + align + pos; | |
58ef9ef7 RM |
151 | } |
152 | else if (seek_char == 0) | |
2d09f82f | 153 | result = buf + align + len; |
58ef9ef7 | 154 | else |
51d91b18 | 155 | result = NULLRET (buf + align + len); |
58ef9ef7 | 156 | |
58ef9ef7 | 157 | FOR_EACH_IMPL (impl, 0) |
2d09f82f | 158 | do_one_test (impl, buf + align, seek_char, result); |
58ef9ef7 RM |
159 | } |
160 | ||
161 | static void | |
162 | do_random_tests (void) | |
163 | { | |
164 | size_t i, j, n, align, pos, len; | |
165 | int seek_char; | |
2d09f82f LD |
166 | CHAR *result; |
167 | UCHAR *p = (UCHAR *) (buf1 + page_size - 512 * sizeof (CHAR)); | |
58ef9ef7 RM |
168 | |
169 | for (n = 0; n < ITERATIONS; n++) | |
170 | { | |
37822576 AS |
171 | /* For wcschr: align here means align not in bytes, but in wchar_ts, |
172 | in bytes it will equal to align * (sizeof (wchar_t)). */ | |
58ef9ef7 RM |
173 | align = random () & 15; |
174 | pos = random () & 511; | |
e8c1660f | 175 | seek_char = random () & 255; |
58ef9ef7 RM |
176 | if (pos + align >= 511) |
177 | pos = 510 - align - (random () & 7); | |
37822576 AS |
178 | /* len for wcschr here isn't in bytes but it's number of wchar_t |
179 | symbols. */ | |
58ef9ef7 | 180 | len = random () & 511; |
e8c1660f RM |
181 | if ((pos == len && seek_char) |
182 | || (pos > len && (random () & 1))) | |
183 | len = pos + 1 + (random () & 7); | |
58ef9ef7 | 184 | if (len + align >= 512) |
afb05e81 | 185 | len = 511 - align - (random () & 7); |
e8c1660f RM |
186 | if (pos == len && seek_char) |
187 | len = pos + 1; | |
188 | j = (pos > len ? pos : len) + align + 64; | |
58ef9ef7 | 189 | if (j > 512) |
afb05e81 | 190 | j = 512; |
58ef9ef7 RM |
191 | |
192 | for (i = 0; i < j; i++) | |
193 | { | |
194 | if (i == pos + align) | |
195 | p[i] = seek_char; | |
196 | else if (i == len + align) | |
197 | p[i] = 0; | |
198 | else | |
199 | { | |
200 | p[i] = random () & 255; | |
201 | if (i < pos + align && p[i] == seek_char) | |
202 | p[i] = seek_char + 13; | |
203 | if (i < len + align && !p[i]) | |
204 | { | |
205 | p[i] = seek_char - 13; | |
206 | if (!p[i]) | |
207 | p[i] = 140; | |
208 | } | |
209 | } | |
210 | } | |
211 | ||
212 | if (pos <= len) | |
2d09f82f | 213 | result = (CHAR *) (p + pos + align); |
58ef9ef7 | 214 | else if (seek_char == 0) |
2d09f82f | 215 | result = (CHAR *) (p + len + align); |
58ef9ef7 | 216 | else |
51d91b18 | 217 | result = NULLRET ((CHAR *) (p + len + align)); |
58ef9ef7 RM |
218 | |
219 | FOR_EACH_IMPL (impl, 1) | |
2d09f82f | 220 | if (CALL (impl, (CHAR *) (p + align), seek_char) != result) |
58ef9ef7 | 221 | { |
2d09f82f | 222 | error (0, 0, "Iteration %zd - wrong result in function \ |
afb05e81 | 223 | %s (align in bytes: %zd, seek_char: %d, len: %zd, pos: %zd) %p != %p, p %p", |
2d09f82f LD |
224 | n, impl->name, align * sizeof (CHAR), seek_char, len, pos, |
225 | CALL (impl, (CHAR *) (p + align), seek_char), result, p); | |
58ef9ef7 RM |
226 | ret = 1; |
227 | } | |
228 | } | |
229 | } | |
230 | ||
03759f47 L |
231 | static void |
232 | check1 (void) | |
233 | { | |
3b20fd5c JM |
234 | CHAR s[] __attribute__((aligned(16))) = L ("\xff"); |
235 | CHAR c = L ('\xfe'); | |
236 | CHAR *exp_result = stupid_STRCHR (s, c); | |
03759f47 L |
237 | |
238 | FOR_EACH_IMPL (impl, 0) | |
239 | check_result (impl, s, c, exp_result); | |
240 | } | |
241 | ||
58ef9ef7 RM |
242 | int |
243 | test_main (void) | |
244 | { | |
245 | size_t i; | |
246 | ||
247 | test_init (); | |
248 | ||
03759f47 L |
249 | check1 (); |
250 | ||
58ef9ef7 RM |
251 | printf ("%20s", ""); |
252 | FOR_EACH_IMPL (impl, 0) | |
253 | printf ("\t%s", impl->name); | |
254 | putchar ('\n'); | |
255 | ||
256 | for (i = 1; i < 8; ++i) | |
257 | { | |
2d09f82f LD |
258 | do_test (0, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR); |
259 | do_test (i, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR); | |
58ef9ef7 RM |
260 | } |
261 | ||
262 | for (i = 1; i < 8; ++i) | |
263 | { | |
2d09f82f LD |
264 | do_test (i, 64, 256, SMALL_CHAR, MIDDLE_CHAR); |
265 | do_test (i, 64, 256, SMALL_CHAR, BIG_CHAR); | |
58ef9ef7 RM |
266 | } |
267 | ||
268 | for (i = 0; i < 32; ++i) | |
269 | { | |
2d09f82f LD |
270 | do_test (0, i, i + 1, SMALL_CHAR, MIDDLE_CHAR); |
271 | do_test (0, i, i + 1, SMALL_CHAR, BIG_CHAR); | |
58ef9ef7 RM |
272 | } |
273 | ||
274 | for (i = 1; i < 8; ++i) | |
275 | { | |
2d09f82f LD |
276 | do_test (0, 16 << i, 2048, 0, MIDDLE_CHAR); |
277 | do_test (i, 16 << i, 2048, 0, MIDDLE_CHAR); | |
58ef9ef7 RM |
278 | } |
279 | ||
280 | for (i = 1; i < 8; ++i) | |
281 | { | |
2d09f82f LD |
282 | do_test (i, 64, 256, 0, MIDDLE_CHAR); |
283 | do_test (i, 64, 256, 0, BIG_CHAR); | |
58ef9ef7 RM |
284 | } |
285 | ||
286 | for (i = 0; i < 32; ++i) | |
287 | { | |
2d09f82f LD |
288 | do_test (0, i, i + 1, 0, MIDDLE_CHAR); |
289 | do_test (0, i, i + 1, 0, BIG_CHAR); | |
58ef9ef7 RM |
290 | } |
291 | ||
292 | do_random_tests (); | |
293 | return ret; | |
294 | } | |
295 | ||
fb82116f | 296 | #include <support/test-driver.c> |