1 /* Test gmp_urandomb_ui. 2 3 Copyright 2003, 2005 Free Software Foundation, Inc. 4 5 This file is part of the GNU MP Library test suite. 6 7 The GNU MP Library test suite is free software; you can redistribute it 8 and/or modify it under the terms of the GNU General Public License as 9 published by the Free Software Foundation; either version 3 of the License, 10 or (at your option) any later version. 11 12 The GNU MP Library test suite is distributed in the hope that it will be 13 useful, but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 15 Public License for more details. 16 17 You should have received a copy of the GNU General Public License along with 18 the GNU MP Library test suite. If not, see https://www.gnu.org/licenses/. */ 19 20 #include <stdio.h> 21 #include <stdlib.h> 22 #include "gmp.h" 23 #include "gmp-impl.h" 24 #include "tests.h" 25 26 /* Expect numbers generated by rstate to obey the number of bits requested. 27 No point testing bits==BITS_PER_ULONG, since any return is acceptable in 28 that case. */ 29 void 30 check_one (const char *name, gmp_randstate_ptr rstate) 31 { 32 unsigned long bits, limit, got; 33 int i; 34 35 for (bits = 0; bits < BITS_PER_ULONG; bits++) 36 { 37 /* will demand got < limit */ 38 limit = (1UL << bits); 39 40 for (i = 0; i < 5; i++) 41 { 42 got = gmp_urandomb_ui (rstate, bits); 43 if (got >= limit) 44 { 45 printf ("Return value out of range:\n"); 46 printf (" algorithm: %s\n", name); 47 printf (" bits: %lu\n", bits); 48 printf (" limit: %#lx\n", limit); 49 printf (" got: %#lx\n", got); 50 abort (); 51 } 52 } 53 } 54 } 55 56 int 57 main (int argc, char *argv[]) 58 { 59 tests_start (); 60 61 call_rand_algs (check_one); 62 63 tests_end (); 64 exit (0); 65 } 66