/* Test gmp_urandomm_ui.

Copyright 2003, 2005 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 <stdio.h>

#include <stdlib.h>

#include "gmp.h"

#include "gmp-impl.h"

#include "tests.h"

/* Expect numbers generated by rstate to obey the limit requested. */

void

check_one (const char *name, gmp_randstate_ptr rstate)

{

  static const unsigned long  n_table[] = {

    1, 2, 3, 4, 5, 6, 7, 8,

    123, 456, 789,

    255, 256, 257,

    1023, 1024, 1025,

    32767, 32768, 32769,

    ULONG_MAX/2-2, ULONG_MAX/2-1, ULONG_MAX/2, ULONG_MAX/2+1, ULONG_MAX/2+2,

    ULONG_MAX-2, ULONG_MAX-1, ULONG_MAX,

  };

  unsigned long  got, n;

  int    i, j;

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

    {

      n = n_table[i];

      for (j = 0; j < 5; j++)

        {

          got = gmp_urandomm_ui (rstate, n);

          if (got >= n)

            {

              printf ("Return value out of range:\n");

              printf ("  algorithm: %s\n", name);

              printf ("  n:     %#lx\n", n);

              printf ("  got:   %#lx\n", got);

              abort ();

            }

        }

    }

}

int

main (int argc, char *argv[])

{

  tests_start ();

  call_rand_algs (check_one);

  tests_end ();

  exit (0);

}