| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <lib.h> |
| #include <tests/test.h> |
| |
| void test_popcnt(void **state) |
| { |
| assert_int_equal(popcnt(0x0), 0); |
| assert_int_equal(popcnt(0x10), 1); |
| assert_int_equal(popcnt(0x10010010), 3); |
| assert_int_equal(popcnt(0xffffffff), 32); |
| } |
| |
| void test_clz(void **state) |
| { |
| assert_int_equal(clz(0x0), 32); |
| assert_int_equal(clz(0xf), 28); |
| assert_int_equal(clz(0x80000000), 0); |
| assert_int_equal(clz(0xffffffff), 0); |
| } |
| |
| void test_log2(void **state) |
| { |
| assert_int_equal(log2(0x0), -1); |
| assert_int_equal(log2(0x1), 0); |
| assert_int_equal(log2(0x5), 2); |
| assert_int_equal(log2(0x80000000), 31); |
| assert_int_equal(log2(0xffffffff), 31); |
| } |
| |
| void test_ffs(void **state) |
| { |
| assert_int_equal(__ffs(0x0), -1); |
| assert_int_equal(__ffs(0x1), 0); |
| assert_int_equal(__ffs(0x1010), 4); |
| assert_int_equal(__ffs(0x10000000), 28); |
| assert_int_equal(__ffs(0xffffffff), 0); |
| } |
| |
| void test_fls(void **state) |
| { |
| assert_int_equal(__fls(0x0), -1); |
| assert_int_equal(__fls(0x1), 0); |
| assert_int_equal(__fls(0x5), 2); |
| assert_int_equal(__fls(0x80000000), 31); |
| assert_int_equal(__fls(0xffffffff), 31); |
| } |
| |
| void test_log2_ceil(void **state) |
| { |
| assert_int_equal(log2_ceil(0x0), -1); |
| assert_int_equal(log2_ceil(0x1), 0); |
| assert_int_equal(log2_ceil(0x5), 3); |
| assert_int_equal(log2_ceil(0x80000000), 31); |
| assert_int_equal(log2_ceil(0xffffffff), 32); |
| } |
| |
| int main(void) |
| { |
| const struct CMUnitTest tests[] = { |
| cmocka_unit_test(test_popcnt), |
| cmocka_unit_test(test_clz), |
| cmocka_unit_test(test_log2), |
| cmocka_unit_test(test_ffs), |
| cmocka_unit_test(test_fls), |
| cmocka_unit_test(test_log2_ceil), |
| }; |
| |
| return cb_run_group_tests(tests, NULL, NULL); |
| } |