mirror of
https://github.com/cryb-to/cryb-to.git
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247 lines
5.9 KiB
C
247 lines
5.9 KiB
C
/*
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* Copyright (c) 2014-2017 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 <sys/types.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h>
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#include <cryb/endian.h>
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#include <cryb/mpi.h>
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#include <cryb/test.h>
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#include "t_mpi.h"
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/***************************************************************************
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* Comparison
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*/
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static struct t_cmp_case {
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const char *desc;
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int32_t a, b;
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int cmp;
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} t_cmp_cases[] = {
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{ "-3 == -3", -3, -3, 0 },
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{ "-3 < -2", -3, -2, -1 },
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{ "-3 < -1", -3, -1, -1 },
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{ "-3 < 0", -3, 0, -1 },
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{ "-3 < 1", -3, 1, -1 },
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{ "-3 < 2", -3, 2, -1 },
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{ "-3 < 3", -3, 3, -1 },
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{ "-2 > -3", -2, -3, 1 },
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{ "-2 == -2", -2, -2, 0 },
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{ "-2 < -1", -2, -1, -1 },
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{ "-2 < 0", -2, 0, -1 },
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{ "-2 < 1", -2, 1, -1 },
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{ "-2 < 2", -2, 2, -1 },
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{ "-2 < 3", -2, 3, -1 },
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{ "-1 > -3", -1, -3, 1 },
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{ "-1 > -2", -1, -2, 1 },
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{ "-1 == -1", -1, -1, 0 },
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{ "-1 < 0", -1, 0, -1 },
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{ "-1 < 1", -1, 1, -1 },
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{ "-1 < 2", -1, 2, -1 },
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{ "-1 < 3", -1, 3, -1 },
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{ "0 > -3", 0, -3, 1 },
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{ "0 > -2", 0, -2, 1 },
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{ "0 > -1", 0, -1, 1 },
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{ "0 == 0", 0, 0, 0 },
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{ "0 < 1", 0, 1, -1 },
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{ "0 < 2", 0, 2, -1 },
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{ "0 < 3", 0, 3, -1 },
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{ "1 > -3", 1, -3, 1 },
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{ "1 > -2", 1, -2, 1 },
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{ "1 > -1", 1, -1, 1 },
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{ "1 > 0", 1, 0, 1 },
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{ "1 == 1", 1, 1, 0 },
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{ "1 < 2", 1, 2, -1 },
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{ "1 < 3", 1, 3, -1 },
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{ "2 > -3", 2, -3, 1 },
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{ "2 > -2", 2, -2, 1 },
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{ "2 > -1", 2, -1, 1 },
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{ "2 > 0", 2, 0, 1 },
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{ "2 > 1", 2, 1, 1 },
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{ "2 == 2", 2, 2, 0 },
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{ "2 < 3", 2, 3, -1 },
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{ "3 > -3", 3, -3, 1 },
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{ "3 > -2", 3, -2, 1 },
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{ "3 > -1", 3, -1, 1 },
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{ "3 > 0", 3, 0, 1 },
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{ "3 > 1", 3, 1, 1 },
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{ "3 > 2", 3, 2, 1 },
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{ "3 == 3", 3, 3, 0 },
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};
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/*
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* Compare two MPIs
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*/
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static int
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t_mpi_cmp(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_cmp_case *tc = arg;
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cryb_mpi a = CRYB_MPI_ZERO, b = CRYB_MPI_ZERO;
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int ret = 1;
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mpi_set(&a, tc->a);
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mpi_set(&b, tc->b);
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ret &= t_compare_i(tc->cmp, mpi_cmp(&a, &b));
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mpi_destroy(&a);
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mpi_destroy(&b);
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return (ret);
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}
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static int
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t_mpi_eq(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_cmp_case *tc = arg;
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cryb_mpi a = CRYB_MPI_ZERO, b = CRYB_MPI_ZERO;
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int ret = 1;
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mpi_set(&a, tc->a);
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mpi_set(&b, tc->b);
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ret &= t_compare_i(tc->cmp == 0, mpi_eq(&a, &b));
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mpi_destroy(&a);
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mpi_destroy(&b);
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return (ret);
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}
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/*
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* Compare an MPI with itself
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*/
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static int
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t_mpi_cmp_ident(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
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{
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cryb_mpi a = CRYB_MPI_ZERO;
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int ret = 1;
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mpi_set(&a, CRYB_TO);
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ret &= t_compare_i(0, mpi_cmp(&a, &a));
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mpi_destroy(&a);
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return (ret);
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}
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static int
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t_mpi_eq_ident(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
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{
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cryb_mpi a = CRYB_MPI_ZERO;
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int ret = 1;
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mpi_set(&a, CRYB_TO);
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ret &= t_compare_i(1, mpi_eq(&a, &a));
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mpi_destroy(&a);
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return (ret);
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}
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/*
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* Compare an MPI with an integer
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*/
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static int
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t_mpi_cmp_i32(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_cmp_case *tc = arg;
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cryb_mpi a = CRYB_MPI_ZERO;
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int ret = 1;
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mpi_set(&a, tc->a);
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ret &= t_compare_i(tc->cmp, mpi_cmp_i32(&a, tc->b));
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mpi_destroy(&a);
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return (ret);
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}
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static int
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t_mpi_eq_i32(char **desc CRYB_UNUSED, void *arg)
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{
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struct t_cmp_case *tc = arg;
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cryb_mpi a = CRYB_MPI_ZERO;
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int ret = 1;
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mpi_set(&a, tc->a);
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ret &= t_compare_i(tc->cmp == 0, mpi_eq_i32(&a, tc->b));
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mpi_destroy(&a);
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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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static int
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t_prepare(int argc, char *argv[])
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{
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unsigned int i;
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(void)argc;
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(void)argv;
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t_mpi_prepare();
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/* comparison */
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t_add_test(t_mpi_cmp_ident, NULL, "mpi cmp mpi (identity)");
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for (i = 0; i < sizeof t_cmp_cases / sizeof t_cmp_cases[0]; ++i)
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t_add_test(t_mpi_cmp, &t_cmp_cases[i],
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"mpi cmp mpi (%s)", t_cmp_cases[i].desc);
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t_add_test(t_mpi_eq_ident, NULL, "mpi eq mpi (identity)");
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for (i = 0; i < sizeof t_cmp_cases / sizeof t_cmp_cases[0]; ++i)
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t_add_test(t_mpi_eq, &t_cmp_cases[i],
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"mpi eq mpi (%s)", t_cmp_cases[i].desc);
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for (i = 0; i < sizeof t_cmp_cases / sizeof t_cmp_cases[0]; ++i)
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t_add_test(t_mpi_cmp_i32, &t_cmp_cases[i],
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"mpi cmp i32 (%s)", t_cmp_cases[i].desc);
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for (i = 0; i < sizeof t_cmp_cases / sizeof t_cmp_cases[0]; ++i)
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t_add_test(t_mpi_eq_i32, &t_cmp_cases[i],
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"mpi eq i32 (%s)", t_cmp_cases[i].desc);
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return (0);
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}
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static void
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t_cleanup(void)
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{
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t_mpi_cleanup();
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}
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int
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main(int argc, char *argv[])
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{
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t_main(t_prepare, t_cleanup, argc, argv);
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}
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