<!DOCTYPE HTML>
<html>
<head>
<title>WebStorage Test: sessionStorage - second page</title>
</head>
<body>
<script>

var storage = window.sessionStorage;

var assertions = [];

assertions.push({
    actual: storage.getItem("FOO"),
    expected: null,
    message: "storage.getItem('FOO')"
});

storage.setItem("FOO", "BAR-NEWWINDOW");

assertions.push({
    actual: storage.getItem("FOO"),
    expected: "BAR-NEWWINDOW",
    message: "value for FOO after changing"
});

let channel = new BroadcastChannel('storage_session_window_noopener');
channel.postMessage(assertions, '*');

window.close();

</script>
</body>
</html>