1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/test-util.c b/src/test/test-util.c
index afc3247ffd..05b2294e24 100644
--- a/src/test/test-util.c
+++ b/src/test/test-util.c
@@ -568,6 +568,16 @@ static void test_get_files_in_directory(void) {
         assert_se(get_files_in_directory(".", NULL) >= 0);
 }
 
+static void test_in_set(void) {
+        assert_se(IN_SET(1, 1));
+        assert_se(IN_SET(1, 1, 2, 3, 4));
+        assert_se(IN_SET(2, 1, 2, 3, 4));
+        assert_se(IN_SET(3, 1, 2, 3, 4));
+        assert_se(IN_SET(4, 1, 2, 3, 4));
+        assert_se(!IN_SET(0, 1));
+        assert_se(!IN_SET(0, 1, 2, 3, 4));
+}
+
 int main(int argc, char *argv[]) {
         test_streq_ptr();
         test_first_word();
@@ -604,6 +614,7 @@ int main(int argc, char *argv[]) {
         test_split_pair();
         test_fstab_node_to_udev_node();
         test_get_files_in_directory();
+        test_in_set();
 
         return 0;
 }