diff --git a/src/test.rs b/src/test.rs
new file mode 100644
index 0000000..af98a1c
--- /dev/null
+++ b/src/test.rs
@@ -0,0 +1,11 @@
+use crate::{flag_new, Flag, flag_utils:: vec_to_flag};
+
+#[test]
+fn all() {
+    let flag = flag_new![3, 7];
+    assert_eq!(flag.get(), 136);
+    assert_eq!(flag.get_flag(3), true);
+    assert_eq!(flag.get_flag(4), false);
+    assert_eq!(flag.get_all_flags(), vec![false, false, false, true, false, false, false, true]);
+    assert_eq!(vec_to_flag(vec![false, false, false, true, false, false, false, true]), flag.get());
+}
\ No newline at end of file