117 lines
2.6 KiB
C
117 lines
2.6 KiB
C
/* Test dl-hash functions.
|
|
Copyright (C) 2022 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
|
|
#include <simple-dl-hash.h>
|
|
#include <simple-dl-new-hash.h>
|
|
#include <dl-hash.h>
|
|
#include <dl-new-hash.h>
|
|
#include <support/support.h>
|
|
#include <support/check.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
typedef unsigned int (*hash_f) (const char *);
|
|
|
|
|
|
|
|
static int
|
|
do_fill_test (size_t len, int fill, const char *name, hash_f testf,
|
|
hash_f expecf)
|
|
{
|
|
uint32_t expec, res;
|
|
char buf[len + 1];
|
|
memset (buf, fill, len);
|
|
buf[len] = '\0';
|
|
|
|
expec = expecf (buf);
|
|
res = testf (buf);
|
|
if (expec != res)
|
|
FAIL_EXIT1 ("FAIL: fill(%d) %s(%zu), %x != %x\n", fill, name, len, expec,
|
|
res);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
do_fill_tests (size_t len, int fill)
|
|
{
|
|
if (do_fill_test (len, fill, "dl_new_hash", &_dl_new_hash,
|
|
&__simple_dl_new_hash))
|
|
return 1;
|
|
|
|
return do_fill_test (len, fill, "dl_elf_hash", &_dl_elf_hash,
|
|
&__simple_dl_elf_hash);
|
|
}
|
|
|
|
static int
|
|
do_rand_test (size_t len, const char *name, hash_f testf, hash_f expecf)
|
|
{
|
|
uint32_t expec, res;
|
|
size_t i;
|
|
char buf[len + 1];
|
|
char v;
|
|
for (i = 0; i < len; ++i)
|
|
{
|
|
v = random ();
|
|
if (v == 0)
|
|
v = 1;
|
|
|
|
buf[i] = v;
|
|
}
|
|
buf[len] = '\0';
|
|
|
|
expec = expecf (buf);
|
|
res = testf (buf);
|
|
if (expec != res)
|
|
FAIL_EXIT1 ("FAIL: random %s(%zu), %x != %x\n", name, len, expec, res);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
do_rand_tests (size_t len)
|
|
{
|
|
if (do_rand_test (len, "dl_new_hash", &_dl_new_hash, &__simple_dl_new_hash))
|
|
return 1;
|
|
|
|
return do_rand_test (len, "dl_elf_hash", &_dl_elf_hash, &__simple_dl_elf_hash);
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
size_t i, j;
|
|
for (i = 0; i < 100; ++i)
|
|
{
|
|
for (j = 0; j < 8192; ++j)
|
|
{
|
|
if (do_rand_tests (i))
|
|
return 1;
|
|
|
|
if (do_fill_tests (i, -1) || do_fill_tests (i, 1)
|
|
|| do_fill_tests (i, 0x80) || do_fill_tests (i, 0x88))
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|