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cryb-to/t/t_endian.c
2016-09-17 16:05:31 +02:00

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/*-
* Copyright (c) 2014 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 <sys/types.h>
#include <stddef.h>
#include <stdint.h>
/* test our own code, not the compiler's */
#undef HAVE___BUILTIN_BSWAP16
#undef HAVE___BUILTIN_BSWAP32
#undef HAVE___BUILTIN_BSWAP64
#include <cryb/endian.h>
#include <cryb/test.h>
static uint16_t be16 = 0xf001U;
static uint32_t be32 = 0xdeadbeefUL;
static uint64_t be64 = 0xdeadbeefcafef001ULL;
static uint16_t le16 = 0x01f0U;
static uint32_t le32 = 0xefbeaddeUL;
static uint64_t le64 = 0x01f0fecaefbeaddeULL;
static uint16_t h16;
static uint32_t h32;
static uint64_t h64;
static const void *s16 = "\xf0\x01";
static const void *s32 = "\xde\xad\xbe\xef";
static const void *s64 = "\xde\xad\xbe\xef\xca\xfe\xf0\x01";
#define T_BSWAP(w) \
static int \
t_bswap##w(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED) \
{ \
uint##w##_t swap; \
\
swap = cryb_bswap##w(be##w); \
return (t_compare_x##w(le##w, swap)); \
}
T_BSWAP(16);
T_BSWAP(32);
T_BSWAP(64);
#define T_DEC(e, w) \
static int \
t_##e##w##dec(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED) \
{ \
uint##w##_t dec; \
\
dec = cryb_##e##w##dec(s##w); \
return (t_compare_x##w(e##w, dec)); \
}
T_DEC(be, 16)
T_DEC(be, 32)
T_DEC(be, 64)
T_DEC(le, 16)
T_DEC(le, 32)
T_DEC(le, 64)
#define T_ENC(e, w) \
static int \
t_##e##w##enc(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED) \
{ \
uint##w##_t enc; \
\
cryb_##e##w##enc(&enc, e##w); \
return (t_compare_x##w(*(const uint##w##_t *)s##w, enc)); \
}
T_ENC(be, 16)
T_ENC(be, 32)
T_ENC(be, 64)
T_ENC(le, 16)
T_ENC(le, 32)
T_ENC(le, 64)
#define T_HTO(e, w) \
static int \
t_hto##e##w(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED) \
{ \
uint##w##_t e; \
\
e = cryb_hto##e##w(h##w); \
return (t_compare_x##w(e##w, e)); \
}
T_HTO(be, 16);
T_HTO(be, 32);
T_HTO(be, 64);
T_HTO(le, 16);
T_HTO(le, 32);
T_HTO(le, 64);
#define T_TOH(e, w) \
static int \
t_##e##w##toh(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED) \
{ \
uint##w##_t h; \
\
h = cryb_##e##w##toh(e##w); \
return (t_compare_x##w(h##w, h)); \
}
T_TOH(be, 16);
T_TOH(be, 32);
T_TOH(be, 64);
T_TOH(le, 16);
T_TOH(le, 32);
T_TOH(le, 64);
/***************************************************************************
* Boilerplate
*/
#define T_BSWAP_ADD(w) \
t_add_test(t_bswap##w, 0, "bswap" #w);
#define T_DEC_ADD(e, w) \
t_add_test(t_##e##w##dec, 0, #e #w "dec");
#define T_ENC_ADD(e, w) \
t_add_test(t_##e##w##enc, 0, #e #w "enc");
#define T_HTO_ADD(e, w) \
t_add_test(t_hto##e##w, 0, "hto" #e #w);
#define T_TOH_ADD(e, w) \
t_add_test(t_##e##w##toh, 0, #e #w "toh");
static int
t_prepare(int argc, char *argv[])
{
(void)argc;
(void)argv;
#if WORD_BIGENDIAN
h16 = be16;
h32 = be32;
h64 = be64;
#else
h16 = le16;
h32 = le32;
h64 = le64;
#endif
T_BSWAP_ADD(16);
T_BSWAP_ADD(32);
T_BSWAP_ADD(64);
T_DEC_ADD(be, 16);
T_DEC_ADD(be, 32);
T_DEC_ADD(be, 64);
T_DEC_ADD(le, 16);
T_DEC_ADD(le, 32);
T_DEC_ADD(le, 64);
T_ENC_ADD(be, 16);
T_ENC_ADD(be, 32);
T_ENC_ADD(be, 64);
T_ENC_ADD(le, 16);
T_ENC_ADD(le, 32);
T_ENC_ADD(le, 64);
T_HTO_ADD(be, 16);
T_HTO_ADD(be, 32);
T_HTO_ADD(be, 64);
T_HTO_ADD(le, 16);
T_HTO_ADD(le, 32);
T_HTO_ADD(le, 64);
T_TOH_ADD(be, 16);
T_TOH_ADD(be, 32);
T_TOH_ADD(be, 64);
T_TOH_ADD(le, 16);
T_TOH_ADD(le, 32);
T_TOH_ADD(le, 64);
return (0);
}
int
main(int argc, char *argv[])
{
t_main(t_prepare, NULL, argc, argv);
}