diff options
Diffstat (limited to 'vendor/gmp-6.3.0/tests/rand/t-urbui.c')
-rw-r--r-- | vendor/gmp-6.3.0/tests/rand/t-urbui.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/tests/rand/t-urbui.c b/vendor/gmp-6.3.0/tests/rand/t-urbui.c new file mode 100644 index 0000000..f56f538 --- /dev/null +++ b/vendor/gmp-6.3.0/tests/rand/t-urbui.c @@ -0,0 +1,64 @@ +/* Test gmp_urandomb_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-impl.h" +#include "tests.h" + +/* Expect numbers generated by rstate to obey the number of bits requested. + No point testing bits==BITS_PER_ULONG, since any return is acceptable in + that case. */ +void +check_one (const char *name, gmp_randstate_ptr rstate) +{ + unsigned long bits, limit, got; + int i; + + for (bits = 0; bits < BITS_PER_ULONG; bits++) + { + /* will demand got < limit */ + limit = (1UL << bits); + + for (i = 0; i < 5; i++) + { + got = gmp_urandomb_ui (rstate, bits); + if (got >= limit) + { + printf ("Return value out of range:\n"); + printf (" algorithm: %s\n", name); + printf (" bits: %lu\n", bits); + printf (" limit: %#lx\n", limit); + printf (" got: %#lx\n", got); + abort (); + } + } + } +} + +int +main (int argc, char *argv[]) +{ + tests_start (); + + call_rand_algs (check_one); + + tests_end (); + exit (0); +} |