2 * This file is part of DisOrder.
3 * Copyright (C) 2008 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
23 static void test_bits(void) {
26 check_integer(leftmost_bit(0), -1);
27 check_integer(leftmost_bit(0x80000000), 31);
28 check_integer(leftmost_bit(0xffffffff), 31);
29 for(n = 0; n < 28; ++n) {
30 const uint32_t b = 1 << n, limit = 2 * b;
33 for(v = b; v < limit; ++v)
34 check_integer(leftmost_bit(v), n);