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Diffstat (limited to 'string/test-memset.c')
| -rw-r--r-- | string/test-memset.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/string/test-memset.c b/string/test-memset.c deleted file mode 100644 index ca1bfe1e3b..0000000000 --- a/string/test-memset.c +++ /dev/null @@ -1,267 +0,0 @@ -/* Test memset functions. - Copyright (C) 1999-2017 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 -#ifdef TEST_BZERO -# ifdef TEST_EXPLICIT_BZERO -# define TEST_NAME "explicit_bzero" -# else -# define TEST_NAME "bzero" -# endif -#else -# ifndef WIDE -# define TEST_NAME "memset" -# else -# define TEST_NAME "wmemset" -# endif /* WIDE */ -#endif /* !TEST_BZERO */ -#define MIN_PAGE_SIZE 131072 -#include "test-string.h" - -#ifndef WIDE -# define MEMSET memset -# define CHAR char -# define UCHAR unsigned char -# define SIMPLE_MEMSET simple_memset -# define MEMCMP memcmp -# define BIG_CHAR CHAR_MAX -#else -# include <wchar.h> -# define MEMSET wmemset -# define CHAR wchar_t -# define UCHAR wchar_t -# define SIMPLE_MEMSET simple_wmemset -# define MEMCMP wmemcmp -# define BIG_CHAR WCHAR_MAX -#endif /* WIDE */ - -CHAR *SIMPLE_MEMSET (CHAR *, int, size_t); - -#ifdef TEST_BZERO -typedef void (*proto_t) (char *, size_t); -void simple_bzero (char *, size_t); -void builtin_bzero (char *, size_t); - -IMPL (simple_bzero, 0) -IMPL (builtin_bzero, 0) -#ifdef TEST_EXPLICIT_BZERO -IMPL (explicit_bzero, 1) -#else -IMPL (bzero, 1) -#endif - -void -simple_bzero (char *s, size_t n) -{ - SIMPLE_MEMSET (s, 0, n); -} - -void -builtin_bzero (char *s, size_t n) -{ - __builtin_bzero (s, n); -} -#else -typedef CHAR *(*proto_t) (CHAR *, int, size_t); - -IMPL (SIMPLE_MEMSET, 0) -# ifndef WIDE -char *builtin_memset (char *, int, size_t); -IMPL (builtin_memset, 0) -# endif /* !WIDE */ -IMPL (MEMSET, 1) - -# ifndef WIDE -char * -builtin_memset (char *s, int c, size_t n) -{ - return __builtin_memset (s, c, n); -} -# endif /* !WIDE */ -#endif /* !TEST_BZERO */ - -CHAR * -inhibit_loop_to_libcall -SIMPLE_MEMSET (CHAR *s, int c, size_t n) -{ - CHAR *r = s, *end = s + n; - while (r < end) - *r++ = c; - return s; -} - -static void -do_one_test (impl_t *impl, CHAR *s, int c __attribute ((unused)), size_t n) -{ - CHAR tstbuf[n]; -#ifdef TEST_BZERO - simple_bzero (tstbuf, n); - CALL (impl, s, n); - if (memcmp (s, tstbuf, n) != 0) -#else - CHAR *res = CALL (impl, s, c, n); - if (res != s - || SIMPLE_MEMSET (tstbuf, c, n) != tstbuf - || MEMCMP (s, tstbuf, n) != 0) -#endif /* !TEST_BZERO */ - { - error (0, 0, "Wrong result in function %s", impl->name); - ret = 1; - return; - } -} - -static void -do_test (size_t align, int c, size_t len) -{ - align &= 7; - if ((align + len) * sizeof (CHAR) > page_size) - return; - - FOR_EACH_IMPL (impl, 0) - do_one_test (impl, (CHAR *) (buf1) + align, c, len); -} - -#ifndef TEST_BZERO -static void -do_random_tests (void) -{ - size_t i, j, k, n, align, len, size; - int c, o; - UCHAR *p, *res; - UCHAR *p2 = (UCHAR *) buf2; - - for (i = 0; i < 65536 / sizeof (CHAR); ++i) - p2[i] = random () & BIG_CHAR; - - for (n = 0; n < ITERATIONS; n++) - { - if ((random () & 31) == 0) - size = 65536 / sizeof (CHAR); - else - size = 512; - p = (UCHAR *) (buf1 + page_size) - size; - len = random () & (size - 1); - align = size - len - (random () & 31); - if (align > size) - align = size - len; - if ((random () & 7) == 0) - align &= ~63; - if ((random () & 7) == 0) - c = 0; - else - c = random () & BIG_CHAR; - o = random () & BIG_CHAR; - if (o == c) - o = (c + 1) & BIG_CHAR; - j = len + align + 128; - if (j > size) - j = size; - if (align >= 128) - k = align - 128; - else - k = 0; - for (i = k; i < align; ++i) - p[i] = o; - for (i = align + len; i < j; ++i) - p[i] = o; - - FOR_EACH_IMPL (impl, 1) - { - for (i = 0; i < len; ++i) - { - p[i + align] = p2[i]; - if (p[i + align] == c) - p[i + align] = o; - } - res = (UCHAR *) CALL (impl, (CHAR *) p + align, c, len); - if (res != p + align) - { - error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %d, %zd) %p != %p", - n, impl->name, align, c, len, res, p + align); - ret = 1; - } - for (i = k; i < align; ++i) - if (p[i] != o) - { - error (0, 0, "Iteration %zd - garbage before %s (%zd, %d, %zd)", - n, impl->name, align, c, len); - ret = 1; - break; - } - for (; i < align + len; ++i) - if (p[i] != c) - { - error (0, 0, "Iteration %zd - not cleared correctly %s (%zd, %d, %zd)", - n, impl->name, align, c, len); - ret = 1; - break; - } - for (; i < j; ++i) - if (p[i] != o) - { - error (0, 0, "Iteration %zd - garbage after %s (%zd, %d, %zd)", - n, impl->name, align, c, len); - ret = 1; - break; - } - } - } -} -#endif /* !TEST_BZERO */ - -int -test_main (void) -{ - size_t i; - int c = 0; - - test_init (); - - printf ("%24s", ""); - FOR_EACH_IMPL (impl, 0) - printf ("\t%s", impl->name); - putchar ('\n'); - -#ifndef TEST_BZERO - for (c = -65; c <= 130; c += 65) -#endif - { - for (i = 0; i < 18; ++i) - do_test (0, c, 1 << i); - for (i = 1; i < 32; ++i) - { - do_test (i, c, i); - if (i & (i - 1)) - do_test (0, c, i); - } - do_test (1, c, 14); - do_test (3, c, 1024); - do_test (4, c, 64); - do_test (2, c, 25); - } - -#ifndef TEST_BZERO - do_random_tests (); -#endif - - return ret; -} - -#include <support/test-driver.c> |