1 /* Test and measure strspn functions.
2 Copyright (C) 1999,2002,2003,2005 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Written by Jakub Jelinek <jakub@redhat.com>, 1999.
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #include "test-string.h"
24 typedef size_t (*proto_t) (const char *, const char *);
25 size_t simple_strspn (const char *, const char *);
26 size_t stupid_strspn (const char *, const char *);
28 IMPL (stupid_strspn, 0)
29 IMPL (simple_strspn, 0)
33 simple_strspn (const char *s, const char *acc)
35 const char *r, *str = s;
38 while ((c = *s++) != '\0')
40 for (r = acc; *r != '\0'; ++r)
50 stupid_strspn (const char *s, const char *acc)
52 size_t ns = strlen (s), nacc = strlen (acc);
55 for (i = 0; i < ns; ++i)
57 for (j = 0; j < nacc; ++j)
67 do_one_test (impl_t *impl, const char *s, const char *acc, size_t exp_res)
69 size_t res = CALL (impl, s, acc);
72 error (0, 0, "Wrong result in function %s %p %p", impl->name,
73 (void *) res, (void *) exp_res);
80 hp_timing_t start __attribute ((unused));
81 hp_timing_t stop __attribute ((unused));
82 hp_timing_t best_time = ~ (hp_timing_t) 0;
85 for (i = 0; i < 32; ++i)
87 HP_TIMING_NOW (start);
90 HP_TIMING_BEST (best_time, start, stop);
93 printf ("\t%zd", (size_t) best_time);
98 do_test (size_t align, size_t pos, size_t len)
104 if (align + pos + 10 >= page_size || len > 240 || ! len)
107 acc = (char *) (buf2 + (random () & 255));
108 s = (char *) (buf1 + align);
110 for (i = 0; i < len; ++i)
112 acc[i] = random () & 255;
114 acc[i] = random () & 255;
116 acc[i] = 1 + (random () & 127);
120 for (i = 0; i < pos; ++i)
121 s[i] = acc[random () % len];
122 s[pos] = random () & 255;
123 if (strchr (acc, s[pos]))
127 for (i = pos + 1; i < pos + 10; ++i)
128 s[i] = random () & 255;
133 printf ("Length %4zd, alignment %2zd, acc len %2zd:", pos, align, len);
135 FOR_EACH_IMPL (impl, 0)
136 do_one_test (impl, s, acc, pos);
143 do_random_tests (void)
145 size_t i, j, n, align, pos, alen, len;
146 unsigned char *p = buf1 + page_size - 512;
149 for (n = 0; n < ITERATIONS; n++)
151 align = random () & 15;
153 alen = random () & 63;
155 alen = random () & 15;
159 pos = random () & 511;
160 if (pos + align >= 511)
161 pos = 510 - align - (random () & 7);
162 len = random () & 511;
163 if (len + align >= 512)
164 len = 511 - align - (random () & 7);
165 acc = buf2 + page_size - alen - 1 - (random () & 7);
166 for (i = 0; i < alen; ++i)
168 acc[i] = random () & 255;
170 acc[i] = random () & 255;
172 acc[i] = 1 + (random () & 127);
175 j = (pos > len ? pos : len) + align + 64;
179 for (i = 0; i < j; i++)
181 if (i == len + align)
183 else if (i == pos + align)
185 p[i] = random () & 255;
186 if (strchr ((char *) acc, p[i]))
189 else if (i < align || i > pos + align)
190 p[i] = random () & 255;
192 p[i] = acc [random () % alen];
195 FOR_EACH_IMPL (impl, 1)
196 if (CALL (impl, (char *) (p + align),
197 (char *) acc) != (pos < len ? pos : len))
199 error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %p, %zd, %zd, %zd) %zd != %zd",
200 n, impl->name, align, acc, alen, pos, len,
201 CALL (impl, (char *) (p + align), (char *) acc),
202 (pos < len ? pos : len));
216 FOR_EACH_IMPL (impl, 0)
217 printf ("\t%s", impl->name);
220 for (i = 0; i < 32; ++i)
226 for (i = 1; i < 8; ++i)
228 do_test (0, 16 << i, 4);
229 do_test (i, 16 << i, 4);
232 for (i = 1; i < 8; ++i)
235 for (i = 0; i < 64; ++i)
242 #include "../test-skeleton.c"