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162 lines
4 KiB
C
162 lines
4 KiB
C
/*-
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* Copyright (c) 2015 Dag-Erling Smørgrav
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "cryb/impl.h"
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#include <stdint.h>
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#include <string.h>
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#include <cryb/hash.h>
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#include "t.h"
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struct t_case {
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const char *desc;
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const char *data;
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size_t len;
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uint16_t sum16;
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uint32_t sum32;
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uint64_t sum64;
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};
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/***************************************************************************
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* Test cases
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*/
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static struct t_case t_cases[] = {
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{
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.desc = "len == 0",
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.data = "\x01\x02\x03\x04\x05\x06\x07\x08",
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.len = 0,
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.sum16 = 0x00,
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.sum32 = 0x00,
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.sum64 = 0x00,
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},
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{
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.desc = "len == 1",
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.data = "\x01\x02\x03\x04\x05\x06\x07\x08",
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.len = 1,
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.sum16 = 0x0101,
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.sum32 = 0x01000100,
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.sum64 = 0x0100000001000000,
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},
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{
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.desc = "len == 2",
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.data = "\x01\x02\x03\x04\x05\x06\x07\x08",
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.len = 2,
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.sum16 = 0x0403,
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.sum32 = 0x01020102,
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.sum64 = 0x0102000001020000,
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},
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{
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.desc = "len == 3",
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.data = "\x01\x02\x03\x04\x05\x06\x07\x08",
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.len = 3,
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.sum16 = 0x0a06,
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.sum32 = 0x05040402,
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.sum64 = 0x102030001020300,
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},
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{
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.desc = "len == 4",
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.data = "\x01\x02\x03\x04\x05\x06\x07\x08",
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.len = 4,
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.sum16 = 0x140a,
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.sum32 = 0x05080406,
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.sum64 = 0x0102030401020304,
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},
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{
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.desc = "len == 5",
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.data = "\x01\x02\x03\x04\x05\x06\x07\x08",
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.len = 5,
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.sum16 = 0x230f,
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.sum32 = 0x0e0e0906,
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.sum64 = 0x0704060806020304,
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},
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{
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.desc = "len == 6",
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.data = "\x01\x02\x03\x04\x05\x06\x07\x08",
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.len = 6,
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.sum16 = 0x3815,
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.sum32 = 0x0e14090c,
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.sum64 = 0x070a060806080304,
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},
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{
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.desc = "len == 7",
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.data = "\x01\x02\x03\x04\x05\x06\x07\x08",
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.len = 7,
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.sum16 = 0x541c,
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.sum32 = 0x1e20100c,
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.sum64 = 0x070a0d0806080a04,
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},
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{
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.desc = "len == 8",
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.data = "\x01\x02\x03\x04\x05\x06\x07\x08",
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.len = 8,
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.sum16 = 0x7824,
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.sum32 = 0x1e281014,
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.sum64 = 0x070a0d1006080a0c,
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},
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};
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/***************************************************************************
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* Test function
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*/
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static int
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t_fletcher(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_case *t = arg;
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int ret;
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ret = t_compare_x16(t->sum16, fletcher16_hash(t->data, t->len)) &
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t_compare_x32(t->sum32, fletcher32_hash(t->data, t->len)) &
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t_compare_x64(t->sum64, fletcher64_hash(t->data, t->len));
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return (ret);
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}
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/***************************************************************************
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* Boilerplate
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*/
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int
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t_prepare(int argc, char *argv[])
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{
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int i, n;
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(void)argc;
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(void)argv;
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n = sizeof t_cases / sizeof t_cases[0];
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for (i = 0; i < n; ++i)
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t_add_test(t_fletcher, &t_cases[i], t_cases[i].desc);
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return (0);
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}
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void
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t_cleanup(void)
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{
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}
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