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<!DOCTYPE html>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
// Here's the set-up for this test:
// Step 1 (top-frame) Embeds a cross-origin iframe.
// Step 2 (sub-frame) Make a cross-origin POST request.
// Step 3 (sub-frame) Checks if platform version header is present and alerts top frame.
// Step 4 (top-frame) Asserts header was present and returns.
async_test(t => {
// Step 4
window.addEventListener("message", t.step_func(e => {
assert_equals(e.data, "HadPlatformVersion");
t.done();
}));
// Step 1
let iframe = document.createElement("iframe");
iframe.src = "https://{{domains[www1]}}:{{ports[https][0]}}/client-hints/resources/accept-ch.wildcard.iframe.https.sub.html";
document.body.appendChild(iframe);
}, "Accept-CH with wildcard policy and iframe subresource");
</script>
</body>
</html>
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