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/* Test mpz_inp_str.
Copyright 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser 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 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if HAVE_UNISTD_H
#include <unistd.h> /* for unlink */
#endif
#include "gmp.h"
#include "gmp-impl.h"
#include "tests.h"
#define FILENAME "t-inp_str.tmp"
void
check_data (void)
{
static const struct {
const char *inp;
int base;
const char *want;
int want_nread;
} data[] = {
{ "0", 10, "0", 1 },
{ "abc", 10, "0", 0 },
{ "ghi", 16, "0", 0 },
{ "ff", 16, "255", 2 },
{ "-ff", 16, "-255", 3 },
{ "FF", 16, "255", 2 },
{ "-FF", 16, "-255", 3 },
{ "z", 36, "35", 1 },
{ "Z", 36, "35", 1 },
{ "0x0", 0, "0", 3 },
{ "0x10", 0, "16", 4 },
{ "-0x0", 0, "0", 4 },
{ "-0x10", 0, "-16", 5 },
{ "00", 0, "0", 2 },
{ "010", 0, "8", 3 },
{ "-00", 0, "0", 3 },
{ "-010", 0, "-8", 4 },
{ "0x", 0, "0", 2 },
{ "0", 0, "0", 1 },
};
mpz_t got, want;
long ftell_nread;
int i, pre, post, j, got_nread, want_nread;
FILE *fp;
mpz_init (got);
mpz_init (want);
for (i = 0; i < numberof (data); i++)
{
for (pre = 0; pre <= 3; pre++)
{
for (post = 0; post <= 2; post++)
{
mpz_set_str_or_abort (want, data[i].want, 0);
MPZ_CHECK_FORMAT (want);
/* create the file new each time to ensure its length is what
we want */
fp = fopen (FILENAME, "w+");
ASSERT_ALWAYS (fp != NULL);
for (j = 0; j < pre; j++)
putc (' ', fp);
fputs (data[i].inp, fp);
for (j = 0; j < post; j++)
putc (' ', fp);
fflush (fp);
ASSERT_ALWAYS (! ferror(fp));
rewind (fp);
got_nread = mpz_inp_str (got, fp, data[i].base);
if (got_nread != 0)
{
ftell_nread = ftell (fp);
if (got_nread != ftell_nread)
{
printf ("mpz_inp_str nread wrong\n");
printf (" inp \"%s\"\n", data[i].inp);
printf (" base %d\n", data[i].base);
printf (" pre %d\n", pre);
printf (" post %d\n", post);
printf (" got_nread %d\n", got_nread);
printf (" ftell_nread %ld\n", ftell_nread);
abort ();
}
}
/* if data[i].inp is a whole string to read and there's no post
whitespace then expect to have EOF */
if (post == 0 && data[i].want_nread == strlen(data[i].inp))
{
int c = getc(fp);
if (c != EOF)
{
printf ("mpz_inp_str didn't read to EOF\n");
printf (" inp \"%s\"\n", data[i].inp);
printf (" base %d\n", data[i].base);
printf (" pre %d\n", pre);
printf (" post %d\n", post);
printf (" c '%c' %#x\n", c, c);
abort ();
}
}
/* only expect "pre" included in the count when non-zero */
want_nread = data[i].want_nread;
if (want_nread != 0)
want_nread += pre;
if (got_nread != want_nread)
{
printf ("mpz_inp_str nread wrong\n");
printf (" inp \"%s\"\n", data[i].inp);
printf (" base %d\n", data[i].base);
printf (" pre %d\n", pre);
printf (" post %d\n", post);
printf (" got_nread %d\n", got_nread);
printf (" want_nread %d\n", want_nread);
abort ();
}
MPZ_CHECK_FORMAT (got);
if (mpz_cmp (got, want) != 0)
{
printf ("mpz_inp_str wrong result\n");
printf (" inp \"%s\"\n", data[i].inp);
printf (" base %d\n", data[i].base);
mpz_trace (" got ", got);
mpz_trace (" want", want);
abort ();
}
ASSERT_ALWAYS (fclose (fp) == 0);
}
}
}
mpz_clear (got);
mpz_clear (want);
}
int
main (void)
{
tests_start ();
check_data ();
unlink (FILENAME);
tests_end ();
exit (0);
}
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