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-rw-r--r--tests/lib/lib-test.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/lib/lib-test.c b/tests/lib/lib-test.c
index adaa2f9500ef..826c6c563a94 100644
--- a/tests/lib/lib-test.c
+++ b/tests/lib/lib-test.c
@@ -37,6 +37,15 @@ void test_ffs(void **state)
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);
@@ -53,6 +62,7 @@ int main(void)
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),
};