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/*
Copyright 2013 Free Software Foundation, Inc.
This file is part of the GNU MP Library test suite.
The GNU MP Library test suite is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
The GNU MP Library test suite is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
Public License for more details.
You should have received a copy of the GNU General Public License along with
the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "testutils.h"
#define MAX_WORDS 20
#define MAX_WORD_SIZE 10
static void
dump_bytes (const char *label, const unsigned char *s, size_t n)
{
size_t i;
fprintf (stderr, "%s:", label);
for (i = 0; i < n; i++)
{
if (i && (i % 16) == 0)
fprintf (stderr, "\n");
fprintf (stderr, " %02x", s[i]);
}
fprintf (stderr, "\n");
}
/* Tests both mpz_import and mpz_export. */
void
testmain (int argc, char **argv)
{
unsigned char input[MAX_WORDS * MAX_WORD_SIZE];
unsigned char output[MAX_WORDS * MAX_WORD_SIZE + 2];
size_t count, in_count, out_count, size;
int endian, order;
mpz_t a, res;
mpz_init (a);
mpz_init (res);
for (size = 0; size <= MAX_WORD_SIZE; size++)
for (count = 0; count <= MAX_WORDS; count++)
for (endian = -1; endian <= 1; endian++)
for (order = -1; order <= 1; order += 2)
{
mini_rrandomb_export (a, input, &in_count,
order, size, endian, size*count * 8);
mpz_import (res, in_count, order, size, endian, 0, input);
if (mpz_cmp (a, res))
{
fprintf (stderr, "mpz_import failed:\n"
"in_count %lu, out_count %lu, endian = %d, order = %d\n",
(unsigned long) in_count, (unsigned long) out_count, endian, order);
dump ("a", a);
dump ("res", res);
abort ();
}
output[0] = 17;
output[1+in_count*size] = 17;
mpz_export (output+1, &out_count, order, size, endian, 0, a);
if (out_count != in_count
|| memcmp (output+1, input, in_count * size)
|| output[0] != 17
|| output[1+in_count*size] != 17)
{
fprintf (stderr, "mpz_export failed:\n"
"in_count %lu, out_count %lu, endian = %d, order = %d\n",
(unsigned long) in_count, (unsigned long) out_count, endian, order);
dump_bytes ("input", input, in_count * size);
dump_bytes ("output", output+1, out_count * size);
if (output[0] != 17)
fprintf (stderr, "Overwrite at -1, value %02x\n", output[0]);
if (output[1+in_count*size] != 17)
fprintf (stderr, "Overwrite at %lu, value %02x\n",
(unsigned long) (in_count*size), output[1+in_count*size]);
abort ();
}
}
mpz_clear (a);
mpz_clear (res);
}
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