<!DOCTYPE html>
<link rel="help" href="https://w3c.github.io/screen-wake-lock/#the-screen-wake-lock-powerful-feature">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script>
promise_test(async t => {
  await test_driver.set_permission({name: 'screen-wake-lock'}, 'denied');

  return navigator.permissions.query({name:'screen-wake-lock'}).then(status => {
    assert_class_string(status, "PermissionStatus");
    assert_equals(status.state, "denied");
  });
}, "PermissionDescriptor with name='screen-wake-lock' works");
</script>
