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58ef9ef7 | 1 | /* Test and measure strpbrk functions. |
b168057a | 2 | Copyright (C) 1999-2015 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. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
58ef9ef7 RM |
19 | |
20 | #ifndef STRPBRK_RESULT | |
21 | # define STRPBRK_RESULT(s, pos) ((s)[(pos)] ? (s) + (pos) : NULL) | |
22 | # define RES_TYPE char * | |
23 | # define TEST_MAIN | |
69f07e5f | 24 | # define TEST_NAME "strpbrk" |
58ef9ef7 RM |
25 | # include "test-string.h" |
26 | ||
27 | typedef char *(*proto_t) (const char *, const char *); | |
28 | char *simple_strpbrk (const char *, const char *); | |
e8c1660f | 29 | char *stupid_strpbrk (const char *, const char *); |
58ef9ef7 | 30 | |
e8c1660f | 31 | IMPL (stupid_strpbrk, 0) |
58ef9ef7 RM |
32 | IMPL (simple_strpbrk, 0) |
33 | IMPL (strpbrk, 1) | |
34 | ||
35 | char * | |
36 | simple_strpbrk (const char *s, const char *rej) | |
37 | { | |
38 | const char *r; | |
39 | char c; | |
40 | ||
41 | while ((c = *s++) != '\0') | |
42 | for (r = rej; *r != '\0'; ++r) | |
43 | if (*r == c) | |
44 | return (char *) s - 1; | |
45 | return NULL; | |
46 | } | |
e8c1660f RM |
47 | |
48 | char * | |
49 | stupid_strpbrk (const char *s, const char *rej) | |
50 | { | |
51 | size_t ns = strlen (s), nrej = strlen (rej); | |
52 | size_t i, j; | |
53 | ||
54 | for (i = 0; i < ns; ++i) | |
55 | for (j = 0; j < nrej; ++j) | |
56 | if (s[i] == rej[j]) | |
57 | return (char *) s + i; | |
58 | return NULL; | |
59 | } | |
58ef9ef7 RM |
60 | #endif |
61 | ||
62 | static void | |
63 | do_one_test (impl_t *impl, const char *s, const char *rej, RES_TYPE exp_res) | |
64 | { | |
65 | RES_TYPE res = CALL (impl, s, rej); | |
66 | if (res != exp_res) | |
67 | { | |
68 | error (0, 0, "Wrong result in function %s %p %p", impl->name, | |
69 | (void *) res, (void *) exp_res); | |
70 | ret = 1; | |
71 | return; | |
72 | } | |
58ef9ef7 RM |
73 | } |
74 | ||
75 | static void | |
76 | do_test (size_t align, size_t pos, size_t len) | |
77 | { | |
78 | size_t i; | |
79 | int c; | |
80 | RES_TYPE result; | |
81 | char *rej, *s; | |
82 | ||
83 | align &= 7; | |
9372c958 | 84 | if (align + pos + 10 >= page_size || len > 240) |
58ef9ef7 RM |
85 | return; |
86 | ||
0317eaec RM |
87 | rej = (char *) (buf2 + (random () & 255)); |
88 | s = (char *) (buf1 + align); | |
58ef9ef7 RM |
89 | |
90 | for (i = 0; i < len; ++i) | |
91 | { | |
92 | rej[i] = random () & 255; | |
93 | if (!rej[i]) | |
94 | rej[i] = random () & 255; | |
95 | if (!rej[i]) | |
96 | rej[i] = 1 + (random () & 127); | |
97 | } | |
98 | rej[len] = '\0'; | |
99 | for (c = 1; c <= 255; ++c) | |
100 | if (strchr (rej, c) == NULL) | |
101 | break; | |
102 | ||
103 | for (i = 0; i < pos; ++i) | |
104 | { | |
105 | s[i] = random () & 255; | |
106 | if (strchr (rej, s[i])) | |
107 | { | |
108 | s[i] = random () & 255; | |
109 | if (strchr (rej, s[i])) | |
110 | s[i] = c; | |
111 | } | |
112 | } | |
113 | s[pos] = rej[random () % (len + 1)]; | |
9372c958 RM |
114 | if (s[pos]) |
115 | { | |
116 | for (i = pos + 1; i < pos + 10; ++i) | |
117 | s[i] = random () & 255; | |
118 | s[i] = '\0'; | |
119 | } | |
58ef9ef7 RM |
120 | result = STRPBRK_RESULT (s, pos); |
121 | ||
58ef9ef7 RM |
122 | FOR_EACH_IMPL (impl, 0) |
123 | do_one_test (impl, s, rej, result); | |
58ef9ef7 RM |
124 | } |
125 | ||
126 | static void | |
127 | do_random_tests (void) | |
128 | { | |
e8c1660f | 129 | size_t i, j, n, align, pos, len, rlen; |
58ef9ef7 RM |
130 | RES_TYPE result; |
131 | int c; | |
132 | unsigned char *p = buf1 + page_size - 512; | |
133 | unsigned char *rej; | |
134 | ||
135 | for (n = 0; n < ITERATIONS; n++) | |
136 | { | |
137 | align = random () & 15; | |
138 | pos = random () & 511; | |
139 | if (pos + align >= 511) | |
140 | pos = 510 - align - (random () & 7); | |
e8c1660f RM |
141 | len = random () & 511; |
142 | if (pos >= len && (random () & 1)) | |
143 | len = pos + 1 + (random () & 7); | |
144 | if (len + align >= 512) | |
145 | len = 511 - align - (random () & 7); | |
58ef9ef7 | 146 | if (random () & 1) |
e8c1660f | 147 | rlen = random () & 63; |
58ef9ef7 | 148 | else |
e8c1660f RM |
149 | rlen = random () & 15; |
150 | rej = buf2 + page_size - rlen - 1 - (random () & 7); | |
151 | for (i = 0; i < rlen; ++i) | |
58ef9ef7 RM |
152 | { |
153 | rej[i] = random () & 255; | |
154 | if (!rej[i]) | |
155 | rej[i] = random () & 255; | |
156 | if (!rej[i]) | |
157 | rej[i] = 1 + (random () & 127); | |
158 | } | |
159 | rej[i] = '\0'; | |
160 | for (c = 1; c <= 255; ++c) | |
0317eaec | 161 | if (strchr ((char *) rej, c) == NULL) |
58ef9ef7 | 162 | break; |
e8c1660f | 163 | j = (pos > len ? pos : len) + align + 64; |
58ef9ef7 RM |
164 | if (j > 512) |
165 | j = 512; | |
166 | ||
167 | for (i = 0; i < j; i++) | |
168 | { | |
e8c1660f RM |
169 | if (i == len + align) |
170 | p[i] = '\0'; | |
171 | else if (i == pos + align) | |
172 | p[i] = rej[random () % (rlen + 1)]; | |
58ef9ef7 RM |
173 | else if (i < align || i > pos + align) |
174 | p[i] = random () & 255; | |
175 | else | |
176 | { | |
177 | p[i] = random () & 255; | |
0317eaec | 178 | if (strchr ((char *) rej, p[i])) |
58ef9ef7 RM |
179 | { |
180 | p[i] = random () & 255; | |
0317eaec | 181 | if (strchr ((char *) rej, p[i])) |
58ef9ef7 RM |
182 | p[i] = c; |
183 | } | |
184 | } | |
185 | } | |
186 | ||
0317eaec | 187 | result = STRPBRK_RESULT ((char *) (p + align), pos < len ? pos : len); |
58ef9ef7 RM |
188 | |
189 | FOR_EACH_IMPL (impl, 1) | |
0317eaec | 190 | if (CALL (impl, (char *) (p + align), (char *) rej) != result) |
58ef9ef7 | 191 | { |
e8c1660f RM |
192 | error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %p, %zd, %zd, %zd) %p != %p", |
193 | n, impl->name, align, rej, rlen, pos, len, | |
0317eaec RM |
194 | (void *) CALL (impl, (char *) (p + align), (char *) rej), |
195 | (void *) result); | |
58ef9ef7 RM |
196 | ret = 1; |
197 | } | |
198 | } | |
199 | } | |
200 | ||
201 | int | |
202 | test_main (void) | |
203 | { | |
204 | size_t i; | |
205 | ||
206 | test_init (); | |
207 | ||
208 | printf ("%32s", ""); | |
209 | FOR_EACH_IMPL (impl, 0) | |
210 | printf ("\t%s", impl->name); | |
211 | putchar ('\n'); | |
212 | ||
213 | for (i = 0; i < 32; ++i) | |
214 | { | |
215 | do_test (0, 512, i); | |
216 | do_test (i, 512, i); | |
217 | } | |
218 | ||
219 | for (i = 1; i < 8; ++i) | |
220 | { | |
221 | do_test (0, 16 << i, 4); | |
222 | do_test (i, 16 << i, 4); | |
223 | } | |
224 | ||
225 | for (i = 1; i < 8; ++i) | |
226 | do_test (i, 64, 10); | |
227 | ||
228 | for (i = 0; i < 64; ++i) | |
229 | do_test (0, i, 6); | |
230 | ||
231 | do_random_tests (); | |
232 | return ret; | |
233 | } | |
234 | ||
235 | #include "../test-skeleton.c" |