/* 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); }