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<!DOCTYPE html>
<html>
<head>
<title>Test advertised required document policy</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script> </head>
<body>
<h1>Test advertised required document policy</h1>
<script>
// The top-level document has a document policy, but not a required document
// policy. A request for a document in a frame should not include a
// `Sec-Required-Document-Policy` header, unless that frame requires it
// explicitly through the `policy` attribute.
callbacks = {};
window.addEventListener('message', ev => {
var id = ev.data.id;
if (id && callbacks[id]) {
callbacks[id](ev.data.requiredPolicy || null);
}
});
async_test(t => {
var iframe = document.createElement('iframe');
iframe.src = "/document-policy/echo-policy.py?id=1";
callbacks["1"] = t.step_func_done(result => {
assert_equals(result, null);
});
document.body.appendChild(iframe);
}, "Top-level document's policy should not affect child frame requests");
async_test(t => {
var iframe = document.createElement('iframe');
iframe.src = "/document-policy/echo-policy.py?id=2";
iframe.policy = "font-display-late-swap=?0";
callbacks["2"] = t.step_func_done(result => {
assert_equals(result, "font-display-late-swap=?0");
});
document.body.appendChild(iframe);
}, "Child frame can have a required policy independent of the parent document.");
async_test(t => {
var iframe = document.createElement('iframe');
iframe.src = "/document-policy/echo-policy.py?id=3";
iframe.policy = "lossless-images-max-bpp=4";
callbacks["3"] = t.step_func_done(result => {
assert_equals(result, "lossless-images-max-bpp=4.0");
});
document.body.appendChild(iframe);
}, "Child frame can have a required policy which is less strict than the parent document's policy.");
</script>
</body>
</html>
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