source: trunk/third/gmp/tests/mpz/t-import.c @ 22254

Revision 22254, 5.6 KB checked in by ghudson, 19 years ago (diff)
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[18190]1/* Test mpz_import.
2
[22253]3Copyright 2002, 2004 Free Software Foundation, Inc.
[18190]4
5This file is part of the GNU MP Library.
6
7The GNU MP Library is free software; you can redistribute it and/or modify
8it under the terms of the GNU Lesser General Public License as published by
9the Free Software Foundation; either version 2.1 of the License, or (at your
10option) any later version.
11
12The GNU MP Library is distributed in the hope that it will be useful, but
13WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
15License for more details.
16
17You should have received a copy of the GNU Lesser General Public License
18along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
19the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20MA 02111-1307, USA. */
21
22#include <stdio.h>
23#include <stdlib.h>
[22253]24#include <string.h>
[18190]25#include "gmp.h"
26#include "gmp-impl.h"
27#include "tests.h"
28
29
30void
31check_data (void)
32{
33  static const struct {
34    const char  *want;
35    size_t      count;
36    int         order;
37    size_t      size;
38    int         endian;
39    int         nail;
40    char        src[64];
41
42  } data[] = {
43
44    { "0", 0,1, 1,1, 0 },
45    { "0", 1,1, 0,1, 0 },
46
47    { "0x12345678", 4,1,  1,1, 0, { 0x12, 0x34, 0x56, 0x78 } },
48    { "0x12345678", 1,1,  4,1, 0, { 0x12, 0x34, 0x56, 0x78 } },
49    { "0x12345678", 1,-1, 4,1, 0, { 0x12, 0x34, 0x56, 0x78 } },
50
51    { "0x12345678", 4,-1, 1,-1, 0, { 0x78, 0x56, 0x34, 0x12 } },
52    { "0x12345678", 1,1,  4,-1, 0, { 0x78, 0x56, 0x34, 0x12 } },
53    { "0x12345678", 1,-1, 4,-1, 0, { 0x78, 0x56, 0x34, 0x12 } },
54
55    { "0",    5,1,  1,1, 7, { 0xFE, 0xFE, 0xFE, 0xFE, 0xFE } },
56    { "0",    5,-1, 1,1, 7, { 0xFE, 0xFE, 0xFE, 0xFE, 0xFE } },
57    { "0x15", 5,1,  1,1, 7, { 0xFF, 0xFE, 0xFF, 0xFE, 0xFF } },
58
59    { "0",    3,1,  2,1,   1, { 0x80,0x00, 0x80,0x00, 0x80,0x00 } },
60    { "0",    3,1,  2,-1,  1, { 0x00,0x80, 0x00,0x80, 0x00,0x80 } },
61    { "0",    3,1,  2,1,  15, { 0xFF,0xFE, 0xFF,0xFE, 0xFF,0xFE } },
62
63    { "0x2A", 3,1,  2,1, 14, { 0xFF,0xFE, 0xFF,0xFE, 0xFF,0xFE } },
64    { "0x06", 3,1,  2,1, 14, { 0xFF,0xFC, 0xFF,0xFD, 0xFF,0xFE } },
65    { "0x24", 3,-1, 2,1, 14, { 0xFF,0xFC, 0xFF,0xFD, 0xFF,0xFE } },
66
67    { "0x123456789ABC", 3,1,  2,1,  0, { 0x12,0x34, 0x56,0x78, 0x9A,0xBC } },
68    { "0x123456789ABC", 3,-1, 2,1,  0, { 0x9A,0xBC, 0x56,0x78, 0x12,0x34 } },
69    { "0x123456789ABC", 3,1,  2,-1, 0, { 0x34,0x12, 0x78,0x56, 0xBC,0x9A } },
70    { "0x123456789ABC", 3,-1, 2,-1, 0, { 0xBC,0x9A, 0x78,0x56, 0x34,0x12 } },
71
72    { "0x112233445566778899AABBCC", 3,1,  4,1,  0,
73      { 0x11,0x22,0x33,0x44, 0x55,0x66,0x77,0x88, 0x99,0xAA,0xBB,0xCC } },
74    { "0x112233445566778899AABBCC", 3,-1, 4,1,  0,
75      { 0x99,0xAA,0xBB,0xCC, 0x55,0x66,0x77,0x88, 0x11,0x22,0x33,0x44 } },
76    { "0x112233445566778899AABBCC", 3,1,  4,-1, 0,
77      { 0x44,0x33,0x22,0x11, 0x88,0x77,0x66,0x55, 0xCC,0xBB,0xAA,0x99 } },
78    { "0x112233445566778899AABBCC", 3,-1, 4,-1, 0,
79      { 0xCC,0xBB,0xAA,0x99, 0x88,0x77,0x66,0x55, 0x44,0x33,0x22,0x11 } },
80
81    { "0x100120023003400450056006700780089009A00AB00BC00C", 3,1,  8,1,  0,
82      { 0x10,0x01,0x20,0x02,0x30,0x03,0x40,0x04,
83        0x50,0x05,0x60,0x06,0x70,0x07,0x80,0x08,
84        0x90,0x09,0xA0,0x0A,0xB0,0x0B,0xC0,0x0C } },
85    { "0x100120023003400450056006700780089009A00AB00BC00C", 3,-1, 8,1,  0,
86      { 0x90,0x09,0xA0,0x0A,0xB0,0x0B,0xC0,0x0C,
87        0x50,0x05,0x60,0x06,0x70,0x07,0x80,0x08,
88        0x10,0x01,0x20,0x02,0x30,0x03,0x40,0x04 } },
89    { "0x100120023003400450056006700780089009A00AB00BC00C", 3,1,  8,-1, 0,
90      { 0x04,0x40,0x03,0x30,0x02,0x20,0x01,0x10,
91        0x08,0x80,0x07,0x70,0x06,0x60,0x05,0x50,
92        0x0C,0xC0,0x0B,0xB0,0x0A,0xA0,0x09,0x90 } },
93    { "0x100120023003400450056006700780089009A00AB00BC00C", 3,-1, 8,-1, 0,
94      { 0x0C,0xC0,0x0B,0xB0,0x0A,0xA0,0x09,0x90,
95        0x08,0x80,0x07,0x70,0x06,0x60,0x05,0x50,
96        0x04,0x40,0x03,0x30,0x02,0x20,0x01,0x10 } },
97
98    { "0x155555555555555555555555", 3,1,  4,1,  1,
99      { 0xD5,0x55,0x55,0x55, 0xAA,0xAA,0xAA,0xAA, 0xD5,0x55,0x55,0x55 } },
100    { "0x155555555555555555555555", 3,-1,  4,1,  1,
101      { 0xD5,0x55,0x55,0x55, 0xAA,0xAA,0xAA,0xAA, 0xD5,0x55,0x55,0x55 } },
102    { "0x155555555555555555555555", 3,1,  4,-1,  1,
103      { 0x55,0x55,0x55,0xD5, 0xAA,0xAA,0xAA,0xAA, 0x55,0x55,0x55,0xD5 } },
104    { "0x155555555555555555555555", 3,-1,  4,-1,  1,
105      { 0x55,0x55,0x55,0xD5, 0xAA,0xAA,0xAA,0xAA, 0x55,0x55,0x55,0xD5 } },
106  };
107
108  char    buf[sizeof(data[0].src) + sizeof (mp_limb_t)];
109  char    *src;
110  size_t  align;
111  int     i;
112  mpz_t   got, want;
113
114  mpz_init (got);
115  mpz_init (want);
116
117  for (i = 0; i < numberof (data); i++)
118    {
119      for (align = 0; align < sizeof (mp_limb_t); align++)
120        {
121          mpz_set_str_or_abort (want, data[i].want, 0);
122          src = buf + align;
123          memcpy (src, data[i].src, data[i].count * data[i].size);
124
125          mpz_set_ui (got, 0L);
126          mpz_import (got, data[i].count, data[i].order,
127                      data[i].size, data[i].endian, data[i].nail, src);
128
129          MPZ_CHECK_FORMAT (got);
130          if (mpz_cmp (got, want) != 0)
131            {
132              printf ("wrong at data[%d]\n", i);
133              printf ("    count=%u order=%d  size=%u endian=%d nail=%u  align=%u\n",
134                      data[i].count, data[i].order,
135                      data[i].size, data[i].endian, data[i].nail,
136                      align);
137              mpz_trace ("    got ", got);
138              mpz_trace ("    want", want);
139              abort ();
140            }
141        }
142    }
143  mpz_clear (got);
144  mpz_clear (want);
145}
146
147
148int
149main (void)
150{
151  tests_start ();
152
153  mp_trace_base = -16;
154  check_data ();
155
156  tests_end ();
157  exit (0);
158}
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