<!doctype html>
<head>
<title>Test getDisplayMedia() after user activation is consumed</title>
<link rel="help" href="https://w3c.github.io/mediacapture-screen-share/#dom-mediadevices-getdisplaymedia">
</head>
<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>
'use strict';

promise_test(async t => {
  await test_driver.bless('transient activation');
  // SpecialPowers is used to consume user activation because the only
  // spec-compliant Gecko API that consumes user activation is
  // navigator.share(), which is disabled on CI versions of WINNT.
  // https://searchfox.org/mozilla-central/rev/66547980e8e8ca583473c74f207cae5bac1ed541/testing/web-platform/meta/web-share/share-consume-activation.https.html.ini#4
  const had_transient_activation =
        SpecialPowers.wrap(document).consumeTransientUserGestureActivation();
  assert_true(had_transient_activation,
              'should have had transient activation');
  const p = navigator.mediaDevices.getDisplayMedia();
  // Race a settled promise to check that the returned promise is already
  // rejected.
  await promise_rejects_dom(
    t, 'InvalidStateError', Promise.race([p, Promise.resolve()]),
    'getDisplayMedia should have returned an already-rejected promise.');
});
</script>
