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1 | /* |
2 | * This file is part of DisOrder. | |
3 | * Copyright (C) 2008 Richard Kettlewell | |
4 | * | |
e7eb3a27 | 5 | * This program is free software: you can redistribute it and/or modify |
f9d42b20 | 6 | * it under the terms of the GNU General Public License as published by |
e7eb3a27 | 7 | * the Free Software Foundation, either version 3 of the License, or |
f9d42b20 | 8 | * (at your option) any later version. |
e7eb3a27 RK |
9 | * |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
f9d42b20 | 15 | * You should have received a copy of the GNU General Public License |
e7eb3a27 | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
f9d42b20 RK |
17 | */ |
18 | #include "test.h" | |
19 | #include "bits.h" | |
20 | ||
c68d8eba | 21 | static void test_bits(void) { |
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22 | int n; |
23 | ||
f9d42b20 RK |
24 | check_integer(leftmost_bit(0), -1); |
25 | check_integer(leftmost_bit(0x80000000), 31); | |
26 | check_integer(leftmost_bit(0xffffffff), 31); | |
27 | for(n = 0; n < 28; ++n) { | |
28 | const uint32_t b = 1 << n, limit = 2 * b; | |
29 | uint32_t v; | |
30 | ||
31 | for(v = b; v < limit; ++v) | |
32 | check_integer(leftmost_bit(v), n); | |
33 | } | |
34 | } | |
35 | ||
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36 | TEST(bits); |
37 | ||
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38 | /* |
39 | Local Variables: | |
40 | c-basic-offset:2 | |
41 | comment-column:40 | |
42 | fill-column:79 | |
43 | indent-tabs-mode:nil | |
44 | End: | |
45 | */ |