209 lines
7.5 KiB
C
209 lines
7.5 KiB
C
/* Test mpz_export.
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Copyright 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "gmp.h"
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#include "gmp-impl.h"
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#include "tests.h"
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void
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check_data (void)
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{
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static const struct {
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const char *src;
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size_t want_count;
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int order;
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size_t size;
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int endian;
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int nail;
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char want_data[64];
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} data[] = {
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{ "0", 0,1, 1,1, 0 },
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{ "0", 0,1, 2,1, 0 },
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{ "0", 0,1, 3,1, 0 },
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{ "0x12345678", 4,1, 1,1, 0, { '\022', '\064', '\126', '\170' } },
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{ "0x12345678", 1,1, 4,1, 0, { '\022', '\064', '\126', '\170' } },
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{ "0x12345678", 1,-1, 4,1, 0, { '\022', '\064', '\126', '\170' } },
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{ "0x12345678", 4,-1, 1,-1, 0, { '\170', '\126', '\064', '\022' } },
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{ "0x12345678", 1,1, 4,-1, 0, { '\170', '\126', '\064', '\022' } },
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{ "0x12345678", 1,-1, 4,-1, 0, { '\170', '\126', '\064', '\022' } },
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{ "0x15", 5,1, 1,1, 7, { '\001', '\000', '\001', '\000', '\001' } },
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{ "0x1FFFFFFFFFFF", 3,1, 2,1, 1, {
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'\177','\377', '\177','\377', '\177','\377' } },
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{ "0x1FFFFFFFFFFF", 3,1, 2,-1, 1, {
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'\377','\177', '\377','\177', '\377','\177' } },
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{ "0x7", 3,1, 2,1, 15, {
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'\000','\001', '\000','\001', '\000','\001' } },
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{ "0x7", 3,1, 2,-1, 15, {
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'\001','\000', '\001','\000', '\001','\000' } },
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{ "0x24", 3,1, 2,1, 14, { '\000','\002', '\000','\001', '\000','\000' }},
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{ "0x24", 3,1, 2,-1, 14, { '\002','\000', '\001','\000', '\000','\000' }},
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{ "0x24", 3,-1, 2,-1, 14, { '\000','\000', '\001','\000', '\002','\000' }},
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{ "0x24", 3,-1, 2,1, 14, { '\000','\000', '\000','\001', '\000','\002' }},
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{ "0x123456789ABC", 3,1, 2,1, 0, {
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'\022','\064', '\126','\170', '\232','\274' } },
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{ "0x123456789ABC", 3,-1, 2,1, 0, {
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'\232','\274', '\126','\170', '\022','\064' } },
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{ "0x123456789ABC", 3,1, 2,-1, 0, {
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'\064','\022', '\170','\126', '\274','\232' } },
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{ "0x123456789ABC", 3,-1, 2,-1, 0, {
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'\274','\232', '\170','\126', '\064','\022' } },
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{ "0x112233445566778899AABBCC", 3,1, 4,1, 0,
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{ '\021','\042','\063','\104',
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'\125','\146','\167','\210',
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'\231','\252','\273','\314' } },
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{ "0x112233445566778899AABBCC", 3,-1, 4,1, 0,
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{ '\231','\252','\273','\314',
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'\125','\146','\167','\210',
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'\021','\042','\063','\104' } },
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{ "0x112233445566778899AABBCC", 3,1, 4,-1, 0,
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{ '\104','\063','\042','\021',
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'\210','\167','\146','\125',
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'\314','\273','\252','\231' } },
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{ "0x112233445566778899AABBCC", 3,-1, 4,-1, 0,
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{ '\314','\273','\252','\231',
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'\210','\167','\146','\125',
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'\104','\063','\042','\021' } },
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{ "0x100120023003400450056006700780089009A00AB00BC00C", 3,1, 8,1, 0,
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{ '\020','\001','\040','\002','\060','\003','\100','\004',
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'\120','\005','\140','\006','\160','\007','\200','\010',
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'\220','\011','\240','\012','\260','\013','\300','\014' } },
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{ "0x100120023003400450056006700780089009A00AB00BC00C", 3,-1, 8,1, 0,
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{ '\220','\011','\240','\012','\260','\013','\300','\014',
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'\120','\005','\140','\006','\160','\007','\200','\010',
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'\020','\001','\040','\002','\060','\003','\100','\004' } },
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{ "0x100120023003400450056006700780089009A00AB00BC00C", 3,1, 8,-1, 0,
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{ '\004','\100','\003','\060','\002','\040','\001','\020',
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'\010','\200','\007','\160','\006','\140','\005','\120',
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'\014','\300','\013','\260','\012','\240','\011','\220' } },
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{ "0x100120023003400450056006700780089009A00AB00BC00C", 3,-1, 8,-1, 0,
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{ '\014','\300','\013','\260','\012','\240','\011','\220',
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'\010','\200','\007','\160','\006','\140','\005','\120',
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'\004','\100','\003','\060','\002','\040','\001','\020' } },
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{ "0x155555555555555555555555", 3,1, 4,1, 1,
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{ '\125','\125','\125','\125',
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'\052','\252','\252','\252',
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'\125','\125','\125','\125' } },
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{ "0x155555555555555555555555", 3,-1, 4,1, 1,
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{ '\125','\125','\125','\125',
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'\052','\252','\252','\252',
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'\125','\125','\125','\125' } },
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{ "0x155555555555555555555555", 3,1, 4,-1, 1,
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{ '\125','\125','\125','\125',
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'\252','\252','\252','\052',
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'\125','\125','\125','\125' } },
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{ "0x155555555555555555555555", 3,-1, 4,-1, 1,
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{ '\125','\125','\125','\125',
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'\252','\252','\252','\052',
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'\125','\125','\125','\125' } },
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};
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char buf[sizeof(data[0].src) + sizeof (mp_limb_t) + 128];
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char *got_data;
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void *ret;
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size_t align, got_count, j;
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int i, error = 0;
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mpz_t src;
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mpz_init (src);
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for (i = 0; i < numberof (data); i++)
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{
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for (align = 0; align < sizeof (mp_limb_t); align++)
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{
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mpz_set_str_or_abort (src, data[i].src, 0);
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MPZ_CHECK_FORMAT (src);
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got_data = buf + align;
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ASSERT_ALWAYS (data[i].want_count * data[i].size + align
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<= sizeof (buf));
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memset (got_data, '\0', data[i].want_count * data[i].size);
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ret = mpz_export (got_data, &got_count, data[i].order,
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data[i].size, data[i].endian, data[i].nail, src);
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if (ret != got_data)
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{
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printf ("return doesn't equal given pointer\n");
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error = 1;
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}
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if (got_count != data[i].want_count)
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{
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printf ("wrong count\n");
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error = 1;
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}
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if (memcmp (got_data, data[i].want_data, got_count * data[i].size) != 0)
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{
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printf ("wrong result data\n");
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error = 1;
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}
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if (error)
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{
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printf (" at data[%d] align=%d\n", i, (int) align);
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printf (" src \"%s\"\n", data[i].src);
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mpz_trace (" src", src);
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printf (" order=%d size=%u endian=%d nail=%u\n",
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data[i].order,
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data[i].size, data[i].endian, data[i].nail);
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printf (" want count %u\n", data[i].want_count);
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printf (" got count %u\n", got_count);
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printf (" want");
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for (j = 0; j < data[i].want_count*data[i].size; j++)
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printf (" 0x%02X,", (unsigned) (unsigned char) data[i].want_data[j]);
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printf ("\n");
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printf (" got ");
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for (j = 0; j < got_count*data[i].size; j++)
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printf (" 0x%02X,", (unsigned) (unsigned char) got_data[j]);
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printf ("\n");
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abort ();
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}
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}
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}
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mpz_clear (src);
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}
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int
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main (void)
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{
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tests_start ();
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mp_trace_base = -16;
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check_data ();
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tests_end ();
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exit (0);
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}
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