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<!DOCTYPE html>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/permissions-policy/resources/permissions-policy.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script>
"use strict";
const same_origin_src =
'/permissions-policy/resources/permissions-policy-compute-pressure.html';
const cross_origin_src = get_host_info().HTTPS_REMOTE_ORIGIN + same_origin_src;
const header = 'permissions policy header "compute-pressure=self"';
promise_test(async () => {
try {
const observer = new PressureObserver(() => {});
await observer.observe("cpu");
observer.disconnect();
} catch (e) {
assert_unreached('expected promise to resolve.');
}
}, `${header} allows the top-level document.`);
async_test(t => {
test_feature_availability(
'ComputePressure.observe()',
t,
same_origin_src,
expect_feature_available_default
);
}, `${header} allows same-origin iframes.`);
async_test(t => {
test_feature_availability(
'ComputePressure.observe()',
t,
cross_origin_src,
expect_feature_unavailable_default
);
}, `${header} disallows cross-origin iframes.`);
</script>
</body>
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