1<!doctype html>
2<meta charset="utf-8">
3<title>window.event is still set when 'beforeunload' result is coerced to string</title>
4<link rel="help" href="https://dom.spec.whatwg.org/#ref-for-window-current-event%E2%91%A1">
5<link rel="help" href="https://webidl.spec.whatwg.org/#call-a-user-objects-operation">
6
7<script src="/resources/testharness.js"></script>
8<script src="/resources/testharnessreport.js"></script>
9
10<iframe id="iframe" src="resources/event-global-is-still-set-when-coercing-beforeunload-result-frame.html"></iframe>
11<body>
12<script>
13window.onload = () => {
14  async_test(t => {
15    iframe.onload = t.step_func_done(() => {
16      assert_equals(typeof window.currentEventInToString, "object");
17      assert_equals(window.currentEventInToString.type, "beforeunload");
18    });
19
20    iframe.contentWindow.location.href = "about:blank";
21  });
22};
23</script>
24