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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 (first window) Open new window to verify that hints were set.
// Step 2 (second window) Alert first window of client hints present.
// Step 3 (first window) Asserts client hints were present.
// Step 4 (first window) Navigate other window to page that clears cache data.
// Step 5 (second window) Navigate to a page that can check client hints still sent.
// Step 6 (second window) Alert first window of client hints present.
// Step 7 (first window) Asserts client hints were not present.
async_test(t => {
var new_window;
// Step 3
window.addEventListener("message", t.step_func(e => {
assert_equals(e.data, "HadDeviceMemory");
// Step 7
window.addEventListener("message", t.step_func(e => {
assert_equals(e.data, "MissingDeviceMemory");
t.done();
}), {once: true});
// Step 4
new_window.location.href = "/client-hints/clear-site-data/resources/clear-site-data.py?target=cache";
}), {once: true});
// Step 1
new_window = window.open("/client-hints/clear-site-data/resources/check-client-hints.py");
t.add_cleanup(() => new_window.close());
}, "Clear-Site-Data for cache should remove all client hints.");
</script>
</body>
</html>
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