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<!doctype html>
<html>
<head>
<meta charset=utf-8>
<title>Origin of document produced from a 'data:' URL</title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/browsers.html#origin">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>
async_test(function (t) {
var i = document.createElement('iframe');
i.src = "data:text/html,<script>" +
" window.parent.postMessage('Hello!', '*');" +
"</scr" + "ipt>";
window.addEventListener("message", t.step_func_done(function (e) {
assert_equals(e.origin, "null", "Messages sent from a 'data:' URL should have an opaque origin (which serializes to 'null').");
assert_throws_dom("SecurityError", function () {
var couldAccessCrossOriginProperty = e.source.location.href;
}, "The 'data:' frame should be cross-origin: 'window.location.href'");
assert_equals(i.contentDocument, null, "The 'data:' iframe should be unable to access its contentDocument.");
}));
document.body.appendChild(i);
}, "The origin of a 'data:' document in a frame is opaque.");
</script>
</body>
</html>
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