<!DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test.js"></script>
<script>
description("Tests that event handlers are not called in detached documents, even if the event is dispatched by JavaScript. This test passes if you do not see a FAIL alert message.");
jsTestIsAsync = true;

let doc = new DOMParser().parseFromString('<video src=x onerror=alert("FAIL1")>','text/html');
let video = doc.body.firstChild;
shouldBe("video.__proto__", "HTMLVideoElement.prototype");
video.dispatchEvent(new CustomEvent("error"));

doc = new DOMParser().parseFromString('<video onerror=alert(event.expected)>','text/html');
video = doc.body.firstChild;
shouldBe("video.__proto__", "HTMLVideoElement.prototype");
let failEvent = new CustomEvent("error");
failEvent.expected = "FAIL";
video.dispatchEvent(failEvent);
debug("Adopting node into a document that has a frame");
document.adoptNode(video);
let passEvent = new CustomEvent("error");
passEvent.expected = "PASS";
video.dispatchEvent(passEvent);


setTimeout(finishJSTest, 0);
</script>
</body>
</html>