import eventbus struct EventData { data string } fn test_eventbus(){ ev_data := &EventData{'hello'} mut eb := eventbus.new() eb.subscriber.subscribe_once("on_test", on_test) assert eb.has_subscriber("on_test") assert eb.subscriber.is_subscribed("on_test") eb.publish("on_test", eb, ev_data) assert !eb.has_subscriber("on_test") assert !eb.subscriber.is_subscribed("on_test") eb.subscriber.subscribe("on_test", on_test) assert eb.has_subscriber("on_test") assert eb.subscriber.is_subscribed("on_test") eb.clear_all() assert !eb.has_subscriber("on_test") assert !eb.subscriber.is_subscribed("on_test") } fn on_test(sender voidptr, ev &EventData, x voidptr) { assert ev.data == "hello" }