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/*
Copyright 2012-2014, 2016, 2018, 2020 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"
#include "../mini-mpq.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[] = {
{ "1832407/3", "1832407/3" },
{ " 2763959/6", "2763959/6 " },
{ "4 981 999 / 1 8", "4981999/18" },
{ "10\t73981/30 ", "1073981/30" },
{ "958 544 /1", "00958544/01" },
{ "-0", "0000" },
{ " -000 ", "0/ 1" },
{ "0704436/011", "231710/9" },
/* Check the case of large number of leading zeros. */
{ "0000000000000000000000000/1", "0/0000000000000000000000001" },
{ "000000000000000704436/000011", "0000000000000000231710/00009" },
{ " 012/ 02503517", "10/689999" },
{ "0b 10/0 1312143", "2/365667" },
{ "-03 274062/0x1", "-882738/1" },
{ "012\t242", "005282" },
{ "9/0b11010111110010001111", "9/883855" },
{ "022/ 0b11001010010100001", "18/103585" },
{ "-0b101010110011101111/0x12", "-175343/18" },
{ "-05/0b 111 1111 0110 1110 0110", "-5/521958" },
{ "0b 011 111 110 111 001 000 011/0b00110", "1044035/6" },
{ " 0x53dfc", "343548" },
{ "-0x00012/0x000fA019", "-18/1024025" },
{ "0x 642d1", "410321" },
{ "0x5 8067/0Xa", "360551/10" },
{ "-0xd6Be6/3", "-879590/3" },
{ "\t0B1110000100000000011", "460803" },
{ "0B\t1111110010010100101", "517285" },
{ "-0x 00 2d/0B1\t010111101101110100", "-45/359284" },
{ "-0B101\t1001101111111001", "-367609" },
{ "0B10001001010111110000/0xf", "562672/15" },
{ "0Xe4B7e/1", "936830" },
{ "0X1E4bf/0X1", "124095" },
{ "-0Xfdb90/05", "-1039248/5" },
{ "0b010/0X7fc47", "2/523335" },
{ "15/0X8167c", "15/530044" },
/* Some invalid inputs */
{ "", NULL },
{ "0x", NULL },
{ "0b", NULL },
{ "0z", NULL },
{ "-", NULL },
{ "/0x ", NULL },
{ "0|1", NULL },
{ "/", NULL },
{ "0ab", NULL },
{ "10x0", NULL },
{ "1/0xxab", NULL },
{ "0/ab", NULL },
{ "0/#", NULL },
{ "$foo/1", NULL },
{ NULL, NULL }
};
unsigned i;
mpq_t a, b;
mpq_init (a);
mpq_init (b);
for (i = 0; data[i].input; i++)
{
int res = mpq_set_str (a, data[i].input, 0);
if (data[i].decimal)
{
if (res != 0)
{
fprintf (stderr, "mpq_set_str returned -1, input: %s\n",
data[i].input);
abort ();
}
if (mpq_set_str (b, data[i].decimal, 10) != 0)
{
fprintf (stderr, "mpq_set_str returned -1, decimal input: %s\n",
data[i].input);
abort ();
}
if (!mpq_equal (a, b))
{
fprintf (stderr, "mpq_set_str failed for input: %s\n",
data[i].input);
dump ("got_num", mpq_numref (a));
dump ("got_den", mpq_denref (a));
dump ("ref_num", mpq_numref (b));
dump ("ref_den", mpq_denref (b));
abort ();
}
}
else if (res != -1)
{
fprintf (stderr, "mpq_set_str returned %d, invalid input: %s\n",
res, data[i].input);
abort ();
}
}
mpq_clear (a);
mpq_clear (b);
}
void
testmain (int argc, char **argv)
{
unsigned i;
char *ap;
char *bp;
char *rp;
size_t rn;
mpq_t a, b;
FILE *tmp;
test_small ();
mpq_init (a);
mpq_init (b);
tmp = tmpfile ();
if (!tmp)
fprintf (stderr,
"Failed to create temporary file. Skipping mpq_out_str tests.\n");
if (mpq_out_str (tmp, 63, a) != 0)
{
printf ("mpq_out_str did not return 0 (error) with base > 62\n");
abort ();
}
if (mpq_out_str (tmp, -37, a) != 0)
{
printf ("mpq_out_str did not return 0 (error) with base < -37\n");
abort ();
}
for (i = 0; i < COUNT/60; i++)
{
int base;
for (base = 2; base <= 62; ++base)
{
hex_mpq_random_str_op (MAXBITS, (i&1 || base > 36) ? base: -base, &ap, &rp);
if (mpq_set_str (a, ap, 16) != 0)
{
fprintf (stderr, "mpq_set_str failed on input %s\n", ap);
abort ();
}
rn = strlen (rp);
bp = mpq_get_str (NULL, (i&1 || base > 36) ? base: -base, a);
if (strcmp (bp, rp))
{
fprintf (stderr, "mpz_get_str failed:\n");
dump ("a_num", mpq_numref (a));
dump ("a_den", mpq_denref (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 = mpq_out_str (tmp, (i&1 || base > 36) ? base: -base, a);
if (tn != rn)
{
fprintf (stderr, "mpq_out_str, bad return value:\n");
dump ("a_num", mpq_numref (a));
dump ("a_den", mpq_denref (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, "mpq_out_str failed:\n");
dump ("a_num", mpq_numref (a));
dump ("a_den", mpq_denref (a));
fprintf (stderr, "b = %s\n", bp);
fprintf (stderr, " base = %d\n", base);
fprintf (stderr, "r = %s\n", rp);
abort ();
}
}
mpq_set_str (b, rp, base);
if (!mpq_equal (a, b))
{
fprintf (stderr, "mpq_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_num", mpq_numref (b));
dump ("b_den", mpq_denref (b));
dump ("r_num", mpq_numref (a));
dump ("r_den", mpq_denref (a));
abort ();
}
free (ap);
free (rp);
testfree (bp, strlen(bp) + 1);
}
}
mpq_clear (a);
mpq_clear (b);
}
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