diff --git a/src/id_test.v b/src/id_test.v
new file mode 100644
index 0000000..0d248c2
--- /dev/null
+++ b/src/id_test.v
@@ -0,0 +1,16 @@
+module revolt
+
+fn test_id() {
+	ids := [
+		'01FHAY2QP8B50A661620CJDTK3',
+	]!
+	expected := [
+		1633528405704,
+	]!
+
+	for i, id in ids {
+		idh := IdHolder{id}
+
+		assert idh.created_at().unix == expected[i]
+	}
+}