Yu-Ping Wu | 00c834d | 2021-12-02 10:54:32 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include <lib.h> |
| 4 | #include <tests/test.h> |
| 5 | |
| 6 | void test_popcnt(void **state) |
| 7 | { |
| 8 | assert_int_equal(popcnt(0x0), 0); |
| 9 | assert_int_equal(popcnt(0x10), 1); |
| 10 | assert_int_equal(popcnt(0x10010010), 3); |
| 11 | assert_int_equal(popcnt(0xffffffff), 32); |
| 12 | } |
| 13 | |
| 14 | void test_clz(void **state) |
| 15 | { |
| 16 | assert_int_equal(clz(0x0), 32); |
| 17 | assert_int_equal(clz(0xf), 28); |
| 18 | assert_int_equal(clz(0x80000000), 0); |
| 19 | assert_int_equal(clz(0xffffffff), 0); |
| 20 | } |
| 21 | |
| 22 | void test_log2(void **state) |
| 23 | { |
| 24 | assert_int_equal(log2(0x0), -1); |
| 25 | assert_int_equal(log2(0x1), 0); |
| 26 | assert_int_equal(log2(0x5), 2); |
| 27 | assert_int_equal(log2(0x80000000), 31); |
| 28 | assert_int_equal(log2(0xffffffff), 31); |
| 29 | } |
| 30 | |
| 31 | void test_ffs(void **state) |
| 32 | { |
| 33 | assert_int_equal(__ffs(0x0), -1); |
| 34 | assert_int_equal(__ffs(0x1), 0); |
| 35 | assert_int_equal(__ffs(0x1010), 4); |
| 36 | assert_int_equal(__ffs(0x10000000), 28); |
| 37 | assert_int_equal(__ffs(0xffffffff), 0); |
| 38 | } |
| 39 | |
Jianjun Wang | 8bb59ca | 2021-11-30 10:51:53 +0800 | [diff] [blame] | 40 | void test_fls(void **state) |
| 41 | { |
| 42 | assert_int_equal(__fls(0x0), -1); |
| 43 | assert_int_equal(__fls(0x1), 0); |
| 44 | assert_int_equal(__fls(0x5), 2); |
| 45 | assert_int_equal(__fls(0x80000000), 31); |
| 46 | assert_int_equal(__fls(0xffffffff), 31); |
| 47 | } |
| 48 | |
Yu-Ping Wu | 00c834d | 2021-12-02 10:54:32 +0800 | [diff] [blame] | 49 | void test_log2_ceil(void **state) |
| 50 | { |
| 51 | assert_int_equal(log2_ceil(0x0), -1); |
| 52 | assert_int_equal(log2_ceil(0x1), 0); |
| 53 | assert_int_equal(log2_ceil(0x5), 3); |
| 54 | assert_int_equal(log2_ceil(0x80000000), 31); |
| 55 | assert_int_equal(log2_ceil(0xffffffff), 32); |
| 56 | } |
| 57 | |
| 58 | int main(void) |
| 59 | { |
| 60 | const struct CMUnitTest tests[] = { |
| 61 | cmocka_unit_test(test_popcnt), |
| 62 | cmocka_unit_test(test_clz), |
| 63 | cmocka_unit_test(test_log2), |
| 64 | cmocka_unit_test(test_ffs), |
Jianjun Wang | 8bb59ca | 2021-11-30 10:51:53 +0800 | [diff] [blame] | 65 | cmocka_unit_test(test_fls), |
Yu-Ping Wu | 00c834d | 2021-12-02 10:54:32 +0800 | [diff] [blame] | 66 | cmocka_unit_test(test_log2_ceil), |
| 67 | }; |
| 68 | |
| 69 | return cb_run_group_tests(tests, NULL, NULL); |
| 70 | } |