cryb-to/t/t_pearson.c
2017-08-23 13:19:59 +02:00

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/*-
* Copyright (c) 2014-2016 Dag-Erling Smørgrav
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "cryb/impl.h"
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <cryb/hash.h>
#include <cryb/test.h>
#define T_MAGIC_WORD_1 "squeamish"
#define T_MAGIC_WORD_2 "ossifrage"
#define T_MAGIC_STR T_MAGIC_WORD_1 " " T_MAGIC_WORD_2
struct t_case {
const char *desc;
const char *str;
uint8_t hash;
};
/***************************************************************************
* Test cases
*/
static struct t_case t_cases[] = {
{
.desc = "\"\"",
.str = "",
.hash = 0x00,
},
{
.desc = "\"" T_MAGIC_WORD_1 "\"",
.str = T_MAGIC_WORD_1,
.hash = 0xe9,
},
{
.desc = "\"" T_MAGIC_WORD_2 "\"",
.str = T_MAGIC_WORD_2,
.hash = 0x47,
},
{
.desc = "\"" T_MAGIC_STR "\"",
.str = T_MAGIC_STR,
.hash = 0xba,
},
};
/***************************************************************************
* Test function
*/
static int
t_pearson(char **desc CRYB_UNUSED, void *arg)
{
struct t_case *t = arg;
int ret;
ret = t_compare_x8(t->hash, pearson_hash(t->str, strlen(t->str)));
ret &= t_compare_x8(t->hash, pearson_hash_str(t->str));
return (ret);
}
/***************************************************************************
* Boilerplate
*/
static int
t_prepare(int argc, char *argv[])
{
int i, n;
(void)argc;
(void)argv;
n = sizeof t_cases / sizeof t_cases[0];
for (i = 0; i < n; ++i)
t_add_test(t_pearson, &t_cases[i], "%s", t_cases[i].desc);
return (0);
}
int
main(int argc, char *argv[])
{
t_main(t_prepare, NULL, argc, argv);
}