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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, as well as a required document
// policy (for subframes) which is stricter. This test should load (the required
// policy should not block this page,) but the requirements should be applied to
// nested content.
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, "lossless-images-max-bpp=1.0");
});
document.body.appendChild(iframe);
}, "Child frame with no explicit policy should have the same required policy as its parent.");
async_test(t => {
var iframe = document.createElement('iframe');
iframe.src = "/document-policy/echo-policy.py?id=2";
iframe.policy = "lossless-images-max-bpp=4";
callbacks["2"] = t.step_func_done(result => {
assert_equals(result, "lossless-images-max-bpp=1.0");
});
document.body.appendChild(iframe);
}, "Child frame with a less strict required policy should have the stricter value from the parent's policy applied.");
async_test(t => {
var iframe = document.createElement('iframe');
iframe.src = "/document-policy/echo-policy.py?id=3";
iframe.policy = "lossless-images-max-bpp=0.9";
callbacks["3"] = t.step_func_done(result => {
assert_equals(result, "lossless-images-max-bpp=0.9");
});
document.body.appendChild(iframe);
}, "Child frame may have a stricter policy than the parent.");
async_test(t => {
var iframe = document.createElement('iframe');
iframe.src = "/document-policy/echo-policy.py?id=4";
iframe.policy = "no-font-display-late-swap";
callbacks["4"] = t.step_func_done(result => {
assert_equals(result, "no-font-display-late-swap, lossless-images-max-bpp=1.0");
});
document.body.appendChild(iframe);
}, "Any unrelated policy directives should combine with the parent's required policy.");
</script>
</body>
</html>
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