diff options
Diffstat (limited to 'tests/lib/lib-test.c')
| -rw-r--r-- | tests/lib/lib-test.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tests/lib/lib-test.c b/tests/lib/lib-test.c new file mode 100644 index 0000000000..adaa2f9500 --- /dev/null +++ b/tests/lib/lib-test.c @@ -0,0 +1,60 @@ +/* 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_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_log2_ceil), + }; + + return cb_run_group_tests(tests, NULL, NULL); +} |