<!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 (first window) Set client hints in the same header that clears them.
// Step 2 (first window) Open second window.
// Step 3 (second window) Message first window about client hints sent.
// Step 4 (first window) Asserts client hints not sent.
async_test(t => {
// Step 4
window.addEventListener("message", t.step_func(e => {
assert_equals(e.data, "MissingDeviceMemory");
t.done();
}), {once: true});
// Step 2
new_window = window.open("/client-hints/clear-site-data/resources/check-client-hints.py");
t.add_cleanup(new_window.close);
}, "Setting critical client hints after Clear-Site-Data for cache shouldn't allow the client hints to take.");
</script>
</body>
</html>