~mdw / disorder / blame
| Commit | Line | Data |
|---|---|---|
| f9d42b20 RK |
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 | ||
| 23 | void test_bits(void) { | |
| 24 | int n; | |
| 25 | ||
| 26 | printf("test_bits\n"); | |
| 27 | check_integer(leftmost_bit(0), -1); | |
| 28 | check_integer(leftmost_bit(0x80000000), 31); | |
| 29 | check_integer(leftmost_bit(0xffffffff), 31); | |
| 30 | for(n = 0; n < 28; ++n) { | |
| 31 | const uint32_t b = 1 << n, limit = 2 * b; | |
| 32 | uint32_t v; | |
| 33 | ||
| 34 | for(v = b; v < limit; ++v) | |
| 35 | check_integer(leftmost_bit(v), n); | |
| 36 | } | |
| 37 | } | |
| 38 | ||
| 39 | /* | |
| 40 | Local Variables: | |
| 41 | c-basic-offset:2 | |
| 42 | comment-column:40 | |
| 43 | fill-column:79 | |
| 44 | indent-tabs-mode:nil | |
| 45 | End: | |
| 46 | */ |