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117 lines
2.6 KiB
C
117 lines
2.6 KiB
C
/* Test dl-hash functions.
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Copyright (C) 2022-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <simple-dl-hash.h>
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#include <simple-dl-new-hash.h>
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#include <dl-hash.h>
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#include <dl-new-hash.h>
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#include <support/support.h>
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#include <support/check.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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typedef unsigned int (*hash_f) (const char *);
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static int
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do_fill_test (size_t len, int fill, const char *name, hash_f testf,
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hash_f expecf)
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{
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uint32_t expec, res;
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char buf[len + 1];
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memset (buf, fill, len);
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buf[len] = '\0';
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expec = expecf (buf);
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res = testf (buf);
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if (expec != res)
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FAIL_EXIT1 ("FAIL: fill(%d) %s(%zu), %x != %x\n", fill, name, len, expec,
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res);
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return 0;
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}
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static int
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do_fill_tests (size_t len, int fill)
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{
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if (do_fill_test (len, fill, "dl_new_hash", &_dl_new_hash,
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&__simple_dl_new_hash))
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return 1;
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return do_fill_test (len, fill, "dl_elf_hash", &_dl_elf_hash,
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&__simple_dl_elf_hash);
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}
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static int
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do_rand_test (size_t len, const char *name, hash_f testf, hash_f expecf)
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{
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uint32_t expec, res;
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size_t i;
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char buf[len + 1];
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char v;
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for (i = 0; i < len; ++i)
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{
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v = random ();
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if (v == 0)
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v = 1;
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buf[i] = v;
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}
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buf[len] = '\0';
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expec = expecf (buf);
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res = testf (buf);
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if (expec != res)
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FAIL_EXIT1 ("FAIL: random %s(%zu), %x != %x\n", name, len, expec, res);
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return 0;
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}
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static int
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do_rand_tests (size_t len)
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{
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if (do_rand_test (len, "dl_new_hash", &_dl_new_hash, &__simple_dl_new_hash))
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return 1;
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return do_rand_test (len, "dl_elf_hash", &_dl_elf_hash, &__simple_dl_elf_hash);
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}
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static int
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do_test (void)
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{
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size_t i, j;
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for (i = 0; i < 100; ++i)
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{
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for (j = 0; j < 8192; ++j)
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{
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if (do_rand_tests (i))
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return 1;
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if (do_fill_tests (i, -1) || do_fill_tests (i, 1)
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|| do_fill_tests (i, 0x80) || do_fill_tests (i, 0x88))
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return 1;
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}
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}
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return 0;
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}
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#include <support/test-driver.c>
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