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Test Info:

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Ensure a page which is otherwise bfcacheable doesn't crash on reload</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<script>
SimpleTest.waitForExplicitFinish();
let pageshowCount = 0;
let bc = new BroadcastChannel("test_reload");
bc.onmessage = function(event) {
info("MessageEvent: " + event.data);
if (event.data == "pageshow") {
++pageshowCount;
info("pageshow: " + pageshowCount);
if (pageshowCount < 3) {
info("Sending reload");
bc.postMessage("reload");
} else {
info("Sending close");
bc.postMessage("close");
}
} else if (event.data == "closed") {
info("closed");
bc.close();
ok(true, "Passed");
SimpleTest.finish();
}
}
function test() {
window.open("file_reload.html", "", "noopener");
}
</script>
</head>
<body onload="test()">
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test"></pre>
</body>
</html>