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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Test for Bug 1518442</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<script>
function runTest() {
var iframe = document.createElement("iframe");
iframe.src = "about:blank";
iframe.onload = () => frameLoaded(iframe);
document.body.appendChild(iframe);
}
function frameLoaded(iframe) {
let win = iframe.contentWindow;
let doc = iframe.contentDocument;
let element = iframe.contentDocument.documentElement;
is(win.onformdata, undefined, "Should not have window.onformdata");
is(doc.onformdata, undefined, "Should not have document.onformdata");
is(element.onformdata, undefined, "Should not have document.documentElement.onformdata");
let eventName = "formdata";
win.testValue = "not fired";
element.setAttribute("on" + eventName, "window.testValue = 'fired'");
element.dispatchEvent(new Event(eventName));
is(win.testValue, "not fired", `${eventName} should not have fired when pref disable`);
win.testValue = "not fired";
element.removeAttribute("on" + eventName);
element.dispatchEvent(new Event(eventName));
is(win.testValue, "not fired", `${eventName} should not have fired any event`);
delete win.testValue;
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({"set": [["dom.formdata.event.enabled", false]]}, runTest);
</script>
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test"></pre>
</body>
</html>
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