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