/*
Copyright 2012-2014, 2016 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 <assert.h>
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "testutils.h"
#define MAXBITS 400
#define COUNT 2000
#define GMP_LIMB_BITS (
sizeof (mp_limb_t) * CHAR_BIT)
#define MAXLIMBS ((MAXBITS + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS)
static void
test_small (
void )
{
struct {
const char *input;
const char *decimal;
} data[] = {
{
"183407" ,
"183407" },
{
" 763959" ,
"763959 " },
{
"9 81999" ,
"981999" },
{
"10\t7398 " ,
"107398" },
{
"-9585 44" ,
"-00958544" },
{
"-0" ,
"0000" },
{
" -000 " ,
"0" },
{
"0704436" ,
"231710" },
/* Check the case of large number of leading zeros. */
{
"0000000000000000000000000" ,
"0000000000000000000000000" },
{
"000000000000000000000000704436" ,
"000000000000000000000000231710" },
{
" 02503517" ,
"689999" },
{
"0 1312143" ,
"365667" },
{
"-03 274062" ,
"-882738" },
{
"012\t242" ,
"005282" },
{
"0b11010111110010001111" ,
"883855" },
{
" 0b11001010010100001" ,
"103585" },
{
"-0b101010110011101111" ,
"-175343" },
{
"0b 1111111011011100110" ,
"521958" },
{
"0b1 1111110111001000011" ,
"1044035" },
{
" 0x53dfc" ,
"343548" },
{
"0xfA019" ,
"1024025" },
{
"0x 642d1" ,
"410321" },
{
"0x5 8067" ,
"360551" },
{
"-0xd6Be6" ,
"-879590" },
{
"\t0B1110000100000000011" ,
"460803" },
{
"0B\t1111110010010100101" ,
"517285" },
{
"0B1\t010111101101110100" ,
"359284" },
{
"-0B101\t1001101111111001" ,
"-367609" },
{
"0B10001001010111110000" ,
"562672" },
{
"0Xe4B7e" ,
"936830" },
{
"0X1E4bf" ,
"124095" },
{
"-0Xfdb90" ,
"-1039248" },
{
"0X7fc47" ,
"523335" },
{
"0X8167c" ,
"530044" },
/* Some invalid inputs */
{
"" , NULL },
{
"0x" , NULL },
{
"0b" , NULL },
{
"0z" , NULL },
{
"-" , NULL },
{
"-0x " , NULL },
{
"0|1" , NULL },
{
"4+4" , NULL },
{
"0ab" , NULL },
{
"10x0" , NULL },
{
"0xxab" , NULL },
{
"ab" , NULL },
{
"0%#" , NULL },
{
"$foo" , NULL },
{ NULL, NULL }
};
unsigned i;
mpz_t a, b;
mpz_init (b);
for (i = 0; data[i].input; i++)
{
int res = mpz_init_set_str (a, data[i].input, 0);
if (data[i].decimal)
{
if (res != 0)
{
fprintf (stderr,
"mpz_set_str returned -1, input: %s\n" ,
data[i].input);
abort ();
}
if (mpz_set_str (b, data[i].decimal, 10) != 0)
{
fprintf (stderr,
"mpz_set_str returned -1, decimal input: %s\n" ,
data[i].input);
abort ();
}
if (mpz_cmp (a, b) != 0)
{
fprintf (stderr,
"mpz_set_str failed for input: %s\n" ,
data[i].input);
dump (
"got" , a);
dump (
"ref" , b);
abort ();
}
}
else if (res != -1)
{
fprintf (stderr,
"mpz_set_str returned %d, invalid input: %s\n" ,
res, data[i].input);
abort ();
}
mpz_clear (a);
}
mpz_clear (b);
}
void
testmain (
int argc,
char **argv)
{
unsigned i;
char *ap;
char *bp;
char *rp;
size_t bn, rn, arn, bps;
mpz_t a, b;
FILE *tmp;
test_small ();
mpz_init (a);
mpz_init (b);
tmp = tmpfile ();
if (!tmp)
fprintf (stderr,
"Failed to create temporary file. Skipping mpz_out_str tests.\n" );
if (mpz_out_str (tmp, 63, a) != 0)
{
printf (
"mpz_out_str did not return 0 (error) with base > 62\n" );
abort ();
}
if (mpz_out_str (tmp, -37, a) != 0)
{
printf (
"mpz_out_str did not return 0 (error) with base < -37\n" );
abort ();
}
for (i = 0; i < COUNT; i++)
{
int base;
for (base = 0; base <= 62; base += 1 + (base == 0))
{
hex_random_str_op (MAXBITS, (i&1 || base > 36) ? base: -base, &ap, &rp);
if (mpz_set_str (a, ap, 16) != 0)
{
fprintf (stderr,
"mpz_set_str failed on input %s\n" , ap);
abort ();
}
rn = strlen (rp);
arn = rn - (rp[0] ==
'-' );
bn = mpz_sizeinbase (a, base ? base : 10);
if (bn < arn || bn > (arn + 1))
{
fprintf (stderr,
"mpz_sizeinbase failed:\n" );
dump (
"a" , a);
fprintf (stderr,
"r = %s\n" , rp);
fprintf (stderr,
" base %d, correct size %u, got %u\n" ,
base, (
unsigned ) arn, (
unsigned )bn);
abort ();
}
bp = mpz_get_str (NULL, (i&1 || base > 36) ? base: -base, a);
bps = strlen(bp) + 1;
if (strcmp (bp, rp))
{
fprintf (stderr,
"mpz_get_str failed:\n" );
dump (
"a" , a);
fprintf (stderr,
"b = %s\n" , bp);
fprintf (stderr,
" base = %d\n" , base);
fprintf (stderr,
"r = %s\n" , rp);
abort ();
}
/* Just a few tests with file i/o. */
if (tmp && i < 20)
{
size_t tn;
rewind (tmp);
tn = mpz_out_str (tmp, (i&1 || base > 36) ? base: -base, a);
if (tn != rn)
{
fprintf (stderr,
"mpz_out_str, bad return value:\n" );
dump (
"a" , a);
fprintf (stderr,
"r = %s\n" , rp);
fprintf (stderr,
" base %d, correct size %u, got %u\n" ,
base, (
unsigned ) rn, (
unsigned )tn);
abort ();
}
rewind (tmp);
memset (bp, 0, rn);
tn = fread (bp, 1, rn, tmp);
if (tn != rn)
{
fprintf (stderr,
"fread failed, expected %lu bytes, got only %lu.\n" ,
(
unsigned long ) rn, (
unsigned long ) tn);
abort ();
}
if (memcmp (bp, rp, rn) != 0)
{
fprintf (stderr,
"mpz_out_str failed:\n" );
dump (
"a" , a);
fprintf (stderr,
"b = %s\n" , bp);
fprintf (stderr,
" base = %d\n" , base);
fprintf (stderr,
"r = %s\n" , rp);
abort ();
}
}
mpz_set_str (b, rp, base);
if (mpz_cmp (a, b))
{
fprintf (stderr,
"mpz_set_str failed:\n" );
fprintf (stderr,
"r = %s\n" , rp);
fprintf (stderr,
" base = %d\n" , base);
fprintf (stderr,
"r = %s\n" , ap);
fprintf (stderr,
" base = 16\n" );
dump (
"b" , b);
dump (
"r" , a);
abort ();
}
/* Test mpn interface */
if (base && mpz_sgn (a))
{
size_t i;
const char *absr;
mp_limb_t t[MAXLIMBS];
size_t tn = mpz_size (a);
assert (tn <= MAXLIMBS);
mpn_copyi (t, a->_mp_d, tn);
bn = mpn_get_str ((
unsigned char *) bp, base, t, tn);
if (bn != arn)
{
fprintf (stderr,
"mpn_get_str failed:\n" );
fprintf (stderr,
"returned length: %lu (bad)\n" , (
unsigned long ) bn);
fprintf (stderr,
"expected: %lu\n" , (
unsigned long ) arn);
fprintf (stderr,
" base = %d\n" , base);
fprintf (stderr,
"r = %s\n" , ap);
fprintf (stderr,
" base = 16\n" );
dump (
"b" , b);
dump (
"r" , a);
abort ();
}
absr = rp + (rp[0] ==
'-' );
for (i = 0; i < bn; i++)
{
unsigned char digit = absr[i];
char value;
if (digit >=
'0' && digit <=
'9' )
value = digit -
'0' ;
else if (digit >=
'a' && digit <=
'z' )
value = digit -
'a' + ((base > 36) ? 36 : 10);
else if (digit >=
'A' && digit <=
'Z' )
value = digit -
'A' + 10;
else
{
fprintf (stderr,
"Internal error in test.\n" );
abort();
}
if (bp[i] != value)
{
fprintf (stderr,
"mpn_get_str failed:\n" );
fprintf (stderr,
"digit %lu: %d (bad)\n" , (
unsigned long ) i, bp[i]);
fprintf (stderr,
"expected: %d\n" , value);
fprintf (stderr,
" base = %d\n" , base);
fprintf (stderr,
"r = %s\n" , ap);
fprintf (stderr,
" base = 16\n" );
dump (
"b" , b);
dump (
"r" , a);
abort ();
}
}
tn = mpn_set_str (t, (
unsigned char *) bp, bn, base);
if (tn != mpz_size (a) || mpn_cmp (t, a->_mp_d, tn))
{
fprintf (stderr,
"mpn_set_str failed:\n" );
fprintf (stderr,
"r = %s\n" , rp);
fprintf (stderr,
" base = %d\n" , base);
fprintf (stderr,
"r = %s\n" , ap);
fprintf (stderr,
" base = 16\n" );
dump (
"r" , a);
abort ();
}
}
free (ap);
free (rp);
testfree (bp, bps);
}
}
mpz_clear (a);
mpz_clear (b);
}
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