chromium/third_party/blink/web_tests/fast/frames/resources/sandboxed-iframe-storage-allowed.html

<html>
<head>
<script src="../../../resources/js-test.js"></script>
<script>

window.onload = function() {
    shouldBeTrue("window.localStorage != null");
    shouldBeTrue("window.sessionStorage != null");
    shouldBeTrue("document.cookie != null");
}

</script>
</head>
<body>
    <div id="console"></div>
</body>
</html>