| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| // Dispatch of these events is tested elsewhere. |
| // This test merely ensures that the event handler content attributes work. |
| let eventNames = ["load", "message", "messageerror"]; |
| test(() => { |
| try { |
| let portal = document.createElement("portal"); |
| for (let eventName of eventNames) { |
| window.testValue = "not fired"; |
| portal.setAttribute("on" + eventName, "window.testValue = 'fired'"); |
| portal.dispatchEvent(new Event(eventName)); |
| assert_equals(window.testValue, "fired", `${eventName} should have fired`); |
| |
| window.testValue = "not fired"; |
| portal.removeAttribute("on" + eventName); |
| portal.dispatchEvent(new Event(eventName)); |
| assert_equals(window.testValue, "not fired", `${eventName} should not have fired`); |
| } |
| } finally { |
| delete window.testValue; |
| } |
| }, "Tests that event handler content attributes for supported event names work."); |
| </script> |
