diff --git a/on-finished/on-finished-tests.ts b/on-finished/on-finished-tests.ts
new file mode 100644
index 000000000..8e2b4734b
--- /dev/null
+++ b/on-finished/on-finished-tests.ts
@@ -0,0 +1,12 @@
+/// <reference path="on-finished.d.ts" />
+
+function test_finished() {
+
+	var msg = {};
+
+	var ret = onFinished(msg, () => {
+		//callback
+		});
+
+	var finished: boolean = isFinished(msg);
+}