chromium/third_party/blink/web_tests/fast/events/onunload-not-on-body.html

<html>
<head>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

function load()
{
    location = "resources/onunload-single-alert-success.html";
}

function unload()
{
    alert("unload");
}
</script>
</head>
<frameset onload="load()">
     <frame src="data:text/html,<p>loaded frame 0</p>" onunload="unload()" ></frame>
     <frame src="data:text/html,<script>function unload(){ alert('unload'); }</script><body><p>loaded frame 1</p><object data='resources/greenbox.png' onunload='unload()'></object></body>" ></frame>
     <frame src="data:text/html,<script>function unload(){ alert('unload'); }</script><body onunload='unload()'><p>loaded frame 2</p></body>" ></frame>
</frameset>
</html>