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Assume initial digits in a track name are a sort key even without the
[disorder] / libtests / t-bits.c
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1/*
2 * This file is part of DisOrder.
3 * Copyright (C) 2008 Richard Kettlewell
4 *
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.
9 *
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.
14 *
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
18 * USA
19 */
20#include "test.h"
21#include "bits.h"
22
c68d8eba 23static void test_bits(void) {
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24 int n;
25
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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;
31 uint32_t v;
32
33 for(v = b; v < limit; ++v)
34 check_integer(leftmost_bit(v), n);
35 }
36}
37
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38TEST(bits);
39
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40/*
41Local Variables:
42c-basic-offset:2
43comment-column:40
44fill-column:79
45indent-tabs-mode:nil
46End:
47*/