<!DOCTYPE html>
<head>
<script src="../../resources/js-test.js"></script>
<script>
description("Test for proper handling of form removal.");

jsTestIsAsync = true;

function eventhandler() {
    div1.innerHTML = "foo";
    gc();
    setTimeout(finishJSTest, 10);
}
 
function eventhandler2() {
}

function start() {
    button.setAttribute("form", "form1");
    button.setCustomValidity("foo");
    button.onfocus = eventhandler2;
    input.onfocus = eventhandler;
    button.click();
    testPassed('if not crashed.');
}
</script>
</head>
<body>
<input id="input" autofocus="autofocus" type="button">
<div id="div1">
    <form id="form1"></form>
</div>
<form id="form2">
    <button id="button" type="submit"></button>
</form>
<iframe onload="start()"></iframe>
</body>