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/* Test mpf_inp_str.
Copyright 2001, 2002 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 "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if HAVE_UNISTD_H
#include <unistd.h> /* for unlink */
#endif
#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 },
{ "125", 10, "125", 3 },
{ "125e1", 10, "1250", 5 },
{ "12e+2", 10, "1200", 5 },
{ "125e-1", 10, "12.5", 6 },
{ "ff", 16, "255", 2 },
{ "-ff", 16, "-255", 3 },
{ "FF", 16, "255", 2 },
{ "-FF", 16, "-255", 3 },
{ "100", 16, "256", 3 },
{ "100@1", 16, "4096", 5 },
{ "100@10", 16, "4722366482869645213696", 6 },
{ "100@10", -16, "281474976710656", 6 },
{ "100@-1", 16, "16", 6 },
{ "10000000000000000@-10", 16, "1", 21 },
{ "10000000000@-10", -16, "1", 15 },
{ "z", 36, "35", 1 },
{ "Z", 36, "35", 1 },
{ "z@1", 36, "1260", 3 },
{ "Z@1", 36, "1260", 3 },
{ "0", 0, "0", 1 },
};
mpf_t got, want;
long ftell_nread;
int i, pre, post, j, got_nread, want_nread;
FILE *fp;
mpf_init (got);
mpf_init (want);
for (i = 0; i < numberof (data); i++)
{
for (pre = 0; pre <= 3; pre++)
{
for (post = 0; post <= 2; post++)
{
mpf_set_str_or_abort (want, data[i].want, 10);
MPF_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 = mpf_inp_str (got, fp, data[i].base);
if (got_nread != 0)
{
ftell_nread = ftell (fp);
if (got_nread != ftell_nread)
{
printf ("mpf_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 ("mpf_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 ("mpf_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 ();
}
MPF_CHECK_FORMAT (got);
if (mpf_cmp (got, want) != 0)
{
printf ("mpf_inp_str wrong result\n");
printf (" inp \"%s\"\n", data[i].inp);
printf (" base %d\n", data[i].base);
mpf_trace (" got ", got);
mpf_trace (" want", want);
abort ();
}
ASSERT_ALWAYS (fclose (fp) == 0);
}
}
}
mpf_clear (got);
mpf_clear (want);
}
int
main (void)
{
tests_start ();
check_data ();
unlink (FILENAME);
tests_end ();
exit (0);
}
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