diff --git a/src/tests/io_handler_tests.rs b/src/tests/io_handler_tests.rs
index 9bf533f..e84a0ed 100644
--- a/src/tests/io_handler_tests.rs
+++ b/src/tests/io_handler_tests.rs
@@ -49,4 +49,20 @@ fn send_on_multiple_threads() {
     assert_eq!(final_state.timer_can_run, false);
     assert_eq!(final_state.change_scene_on_change_slide_hotkey, false);
     assert_eq!(final_state.stream_is_muted, true);
+}
+
+#[test]
+#[should_panic]
+fn io_handler_not_started_1() {
+    let io_handler = IOHandler::new();
+
+    let state = io_handler.get_states();
+}
+
+#[test]
+#[should_panic]
+fn io_handler_not_started_2() {
+    let io_handler = IOHandler::new();
+
+    let state = io_handler.close();
 }
\ No newline at end of file