/* Test and measure strpbrk functions. Copyright (C) 1999, 2002, 2003, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Jakub Jelinek <jakub@redhat.com>, 1999. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef STRPBRK_RESULT # define STRPBRK_RESULT(s, pos) ((s)[(pos)] ? (s) + (pos) : NULL) # define RES_TYPE char * # define TEST_MAIN # include "test-string.h" typedef char *(*proto_t) (const char *, const char *); char *simple_strpbrk (const char *, const char *); char *stupid_strpbrk (const char *, const char *); IMPL (stupid_strpbrk, 0) IMPL (simple_strpbrk, 0) IMPL (strpbrk, 1) char * simple_strpbrk (const char *s, const char *rej) { const char *r; char c; while ((c = *s++) != '\0') for (r = rej; *r != '\0'; ++r) if (*r == c) return (char *) s - 1; return NULL; } char * stupid_strpbrk (const char *s, const char *rej) { size_t ns = strlen (s), nrej = strlen (rej); size_t i, j; for (i = 0; i < ns; ++i) for (j = 0; j < nrej; ++j) if (s[i] == rej[j]) return (char *) s + i; return NULL; } #endif static void do_one_test (impl_t *impl, const char *s, const char *rej, RES_TYPE exp_res) { RES_TYPE res = CALL (impl, s, rej); if (res != exp_res) { error (0, 0, "Wrong result in function %s %p %p", impl->name, (void *) res, (void *) exp_res); ret = 1; return; } if (HP_TIMING_AVAIL) { hp_timing_t start __attribute ((unused)); hp_timing_t stop __attribute ((unused)); hp_timing_t best_time = ~ (hp_timing_t) 0; size_t i; for (i = 0; i < 32; ++i) { HP_TIMING_NOW (start); CALL (impl, s, rej); HP_TIMING_NOW (stop); HP_TIMING_BEST (best_time, start, stop); } printf ("\t%zd", (size_t) best_time); } } static void do_test (size_t align, size_t pos, size_t len) { size_t i; int c; RES_TYPE result; char *rej, *s; align &= 7; if (align + pos + 10 >= page_size || len > 240) return; rej = (char *) (buf2 + (random () & 255)); s = (char *) (buf1 + align); for (i = 0; i < len; ++i) { rej[i] = random () & 255; if (!rej[i]) rej[i] = random () & 255; if (!rej[i]) rej[i] = 1 + (random () & 127); } rej[len] = '\0'; for (c = 1; c <= 255; ++c) if (strchr (rej, c) == NULL) break; for (i = 0; i < pos; ++i) { s[i] = random () & 255; if (strchr (rej, s[i])) { s[i] = random () & 255; if (strchr (rej, s[i])) s[i] = c; } } s[pos] = rej[random () % (len + 1)]; if (s[pos]) { for (i = pos + 1; i < pos + 10; ++i) s[i] = random () & 255; s[i] = '\0'; } result = STRPBRK_RESULT (s, pos); if (HP_TIMING_AVAIL) printf ("Length %4zd, alignment %2zd, rej len %2zd:", pos, align, len); FOR_EACH_IMPL (impl, 0) do_one_test (impl, s, rej, result); if (HP_TIMING_AVAIL) putchar ('\n'); } static void do_random_tests (void) { size_t i, j, n, align, pos, len, rlen; RES_TYPE result; int c; unsigned char *p = buf1 + page_size - 512; unsigned char *rej; for (n = 0; n < ITERATIONS; n++) { align = random () & 15; pos = random () & 511; if (pos + align >= 511) pos = 510 - align - (random () & 7); len = random () & 511; if (pos >= len && (random () & 1)) len = pos + 1 + (random () & 7); if (len + align >= 512) len = 511 - align - (random () & 7); if (random () & 1) rlen = random () & 63; else rlen = random () & 15; rej = buf2 + page_size - rlen - 1 - (random () & 7); for (i = 0; i < rlen; ++i) { rej[i] = random () & 255; if (!rej[i]) rej[i] = random () & 255; if (!rej[i]) rej[i] = 1 + (random () & 127); } rej[i] = '\0'; for (c = 1; c <= 255; ++c) if (strchr ((char *) rej, c) == NULL) break; j = (pos > len ? pos : len) + align + 64; if (j > 512) j = 512; for (i = 0; i < j; i++) { if (i == len + align) p[i] = '\0'; else if (i == pos + align) p[i] = rej[random () % (rlen + 1)]; else if (i < align || i > pos + align) p[i] = random () & 255; else { p[i] = random () & 255; if (strchr ((char *) rej, p[i])) { p[i] = random () & 255; if (strchr ((char *) rej, p[i])) p[i] = c; } } } result = STRPBRK_RESULT ((char *) (p + align), pos < len ? pos : len); FOR_EACH_IMPL (impl, 1) if (CALL (impl, (char *) (p + align), (char *) rej) != result) { error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %p, %zd, %zd, %zd) %p != %p", n, impl->name, align, rej, rlen, pos, len, (void *) CALL (impl, (char *) (p + align), (char *) rej), (void *) result); ret = 1; } } } int test_main (void) { size_t i; test_init (); printf ("%32s", ""); FOR_EACH_IMPL (impl, 0) printf ("\t%s", impl->name); putchar ('\n'); for (i = 0; i < 32; ++i) { do_test (0, 512, i); do_test (i, 512, i); } for (i = 1; i < 8; ++i) { do_test (0, 16 << i, 4); do_test (i, 16 << i, 4); } for (i = 1; i < 8; ++i) do_test (i, 64, 10); for (i = 0; i < 64; ++i) do_test (0, i, 6); do_random_tests (); return ret; } #include "../test-skeleton.c"