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Diffstat (limited to 'string/test-memrchr.c')
| -rw-r--r-- | string/test-memrchr.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/string/test-memrchr.c b/string/test-memrchr.c deleted file mode 100644 index 15483f5cb5..0000000000 --- a/string/test-memrchr.c +++ /dev/null @@ -1,186 +0,0 @@ -/* Test and measure memrchr functions. - Copyright (C) 2013-2017 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, see - <http://www.gnu.org/licenses/>. */ - -#define TEST_MAIN -#define TEST_NAME "memrchr" -#include "test-string.h" - -typedef char *(*proto_t) (const char *, int, size_t); -char *simple_memrchr (const char *, int, size_t); - -IMPL (simple_memrchr, 0) -IMPL (memrchr, 1) - -char * -simple_memrchr (const char *s, int c, size_t n) -{ - s = s + n; - while (n--) - if (*--s == (char) c) - return (char *) s; - return NULL; -} - -static void -do_one_test (impl_t *impl, const char *s, int c, size_t n, char *exp_res) -{ - char *res = CALL (impl, s, c, n); - if (res != exp_res) - { - error (0, 0, "Wrong result in function %s %p %p", impl->name, - res, exp_res); - ret = 1; - return; - } -} - -static void -do_test (size_t align, size_t pos, size_t len, int seek_char) -{ - size_t i; - char *result; - - align &= 7; - if (align + len >= page_size) - return; - - for (i = 0; i < len; ++i) - { - buf1[align + i] = 1 + 23 * i % 127; - if (buf1[align + i] == seek_char) - buf1[align + i] = seek_char + 1; - } - buf1[align + len] = 0; - - if (pos < len) - { - buf1[align + pos] = seek_char; - buf1[align + len] = -seek_char; - result = (char *) (buf1 + align + pos); - } - else - { - result = NULL; - buf1[align + len] = seek_char; - } - - FOR_EACH_IMPL (impl, 0) - do_one_test (impl, (char *) (buf1 + align), seek_char, len, result); -} - -static void -do_random_tests (void) -{ - size_t i, j, n, align, pos, len; - int seek_char; - char *result; - unsigned char *p = buf1 + page_size - 512; - - for (n = 0; n < ITERATIONS; n++) - { - align = random () & 15; - pos = random () & 511; - if (pos + align >= 512) - pos = 511 - align - (random () & 7); - len = random () & 511; - if (pos >= len) - len = pos + (random () & 7); - if (len + align >= 512) - len = 512 - align - (random () & 7); - seek_char = random () & 255; - j = len + align + 64; - if (j > 512) - j = 512; - - for (i = 0; i < j; i++) - { - if (i == pos + align) - p[i] = seek_char; - else - { - p[i] = random () & 255; - if (p[i] == seek_char) - p[i] = seek_char + 13; - } - } - - if (pos < len) - result = (char *) (p + pos + align); - else - result = NULL; - - FOR_EACH_IMPL (impl, 1) - if (CALL (impl, (char *) (p + align), seek_char, len) != result) - { - error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %d, %zd, %zd) %p != %p, p %p", - n, impl->name, align, seek_char, len, pos, - CALL (impl, (char *) (p + align), seek_char, len), - result, p); - ret = 1; - } - } -} - -int -test_main (void) -{ - size_t i; - - test_init (); - - printf ("%20s", ""); - FOR_EACH_IMPL (impl, 0) - printf ("\t%s", impl->name); - putchar ('\n'); - - for (i = 1; i < 8; ++i) - { - /* Test len == 0. */ - do_test (i, i, 0, 0); - do_test (i, i, 0, 23); - - do_test (0, 16 << i, 2048, 23); - do_test (i, 64, 256, 23); - do_test (0, 16 << i, 2048, 0); - do_test (i, 64, 256, 0); - - do_test (0, i, 256, 23); - do_test (0, i, 256, 0); - do_test (i, i, 256, 23); - do_test (i, i, 256, 0); - - } - for (i = 1; i < 32; ++i) - { - do_test (0, i, i + 1, 23); - do_test (0, i, i + 1, 0); - do_test (i, i, i + 1, 23); - do_test (i, i, i + 1, 0); - - do_test (0, 1, i + 1, 23); - do_test (0, 2, i + 1, 0); - do_test (i, 1, i + 1, 23); - do_test (i, 2, i + 1, 0); - } - - do_random_tests (); - return ret; -} - -#include <support/test-driver.c> |