<!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=()"';
const attribute = 'allow="compute-pressure" attribute';

promise_test(async t => {
  const observer = new PressureObserver(
    t.unreached_func('oops should not end up here')
  );
  await promise_rejects_dom(t, 'NotAllowedError', observer.observe("cpu"));
}, `${header} disallows the top-level document.`);

async_test(t => {
  test_feature_availability(
    'ComputePressure.observe()',
    t,
    same_origin_src,
    expect_feature_unavailable_default
  );
}, `${header} disallows same-origin iframes.`);

async_test(t => {
  test_feature_availability(
    'ComputePressure.observe()',
    t,
    cross_origin_src,
    expect_feature_unavailable_default
  );
}, `${header} disallows cross-origin iframes.`);

async_test(t => {
  test_feature_availability(
    'ComputePressure.observe()',
    t,
    same_origin_src,
    expect_feature_unavailable_default,
    'compute-pressure'
  );
}, `${header} disallows same-origin iframes despite the ${attribute}.`);

async_test(t => {
  test_feature_availability(
    'ComputePressure.observe()',
    t,
    cross_origin_src,
    expect_feature_unavailable_default,
    'compute-pressure'
  );
}, `${header} disallows cross-origin iframes despite the ${attribute}.`);

fetch_tests_from_worker(new Worker(
    '/compute-pressure/resources/compute-pressure-disabled-by-permissions-policy-worker.js'));
</script>
</body>
