Components.utils.import("resource://gre/modules/Messaging.jsm"); var java = new JavaBridge(this); do_register_cleanup(() => { java.disconnect(); }); do_test_pending(); function add_request_listener(message) { Messaging.addListener(function (data) { return { result: data + "bar" }; }, message); } function add_exception_listener(message) { Messaging.addListener(function (data) { throw "error!"; }, message); } function add_second_request_listener(message) { let exceptionCaught = false; try { Messaging.addListener(() => {}, message); } catch (e) { exceptionCaught = true; } do_check_true(exceptionCaught); } function remove_request_listener(message) { Messaging.removeListener(message); } function finish_test() { do_test_finished(); }