/* Test mpq_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.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 },

    { "0/1", 10, "0", 3 },

    { "0/",   10, "0", 0 },

    { "/123", 10, "0", 0 },

    { "blah", 10, "0", 0 },

    { "123/blah", 10, "0", 0 },

    { "5 /8", 10, "5", 1 },

    { "5/ 8", 10, "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 },

    { "-0x10/5", 0, "-16/5", 7 },

    {  "00",   0,  "0", 2 },

    {  "010",  0,  "8", 3 },

    { "-00",   0,  "0", 3 },

    { "-010",  0, "-8", 4 },

  };

  mpq_t  got, want;

  long   ftell_nread;

  int    i, post, j, got_nread;

  FILE   *fp;

  mpq_init (got);

  mpq_init (want);

  for (i = 0; i < numberof (data); i++)

    {

      for (post = 0; post <= 2; post++)

	{

	  mpq_set_str_or_abort (want, data[i].want, 0);

	  MPQ_CHECK_FORMAT (want);

	  fp = fopen (FILENAME, "w+");

	  ASSERT_ALWAYS (fp != NULL);

	  fputs (data[i].inp, fp);

	  for (j = 0; j < post; j++)

	    putc (' ', fp);

	  fflush (fp);

	  ASSERT_ALWAYS (! ferror(fp));

	  rewind (fp);

	  got_nread = mpq_inp_str (got, fp, data[i].base);

	  if (got_nread != 0)

	    {

	      ftell_nread = ftell (fp);

	      if (got_nread != ftell_nread)

		{

		  printf ("mpq_inp_str nread wrong\n");

		  printf ("  inp          \"%s\"\n", data[i].inp);

		  printf ("  base         %d\n", data[i].base);

		  printf ("  got_nread    %d\n", got_nread);

		  printf ("  ftell_nread  %ld\n", ftell_nread);

		  abort ();

		}

	    }

	  if (post == 0 && data[i].want_nread == strlen(data[i].inp))

	    {

	      int  c = getc(fp);

	      if (c != EOF)

		{

		  printf ("mpq_inp_str didn't read to EOF\n");

		  printf ("  inp         \"%s\"\n", data[i].inp);

		  printf ("  base        %d\n", data[i].base);

		  printf ("  c '%c' %#x\n", c, c);

		  abort ();

		}

	    }

	  if (got_nread != data[i].want_nread)

	    {

	      printf ("mpq_inp_str nread wrong\n");

	      printf ("  inp         \"%s\"\n", data[i].inp);

	      printf ("  base        %d\n", data[i].base);

	      printf ("  got_nread   %d\n", got_nread);

	      printf ("  want_nread  %d\n", data[i].want_nread);

	      abort ();

	    }

	  MPQ_CHECK_FORMAT (got);

	  if (! mpq_equal (got, want))

	    {

	      printf ("mpq_inp_str wrong result\n");

	      printf ("  inp   \"%s\"\n", data[i].inp);

	      printf ("  base  %d\n", data[i].base);

	      mpq_trace ("  got ",  got);

	      mpq_trace ("  want", want);

	      abort ();

	    }

	  ASSERT_ALWAYS (fclose (fp) == 0);

	}

    }

  mpq_clear (got);

  mpq_clear (want);

}

int

main (void)

{

  tests_start ();

  check_data ();

  unlink (FILENAME);

  tests_end ();

  exit (0);

}