usermedia-no-constraints.tentative.https.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/semantics/permission-element/usermedia/usermedia-no-constraints.tentative.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>HTMLUserMediaElement Test: no constraints should not trigger stream</title>

<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>

<body>

<script>

promise_test(async (t) => {

  const usermedia = document.createElement('usermedia');

  document.body.appendChild(usermedia);

  let stream_event_fired = false;

  usermedia.onstream = () => {

    stream_event_fired = true;

};

  // We need to grant some permission to ensure that the failure to trigger

  // a stream is due to missing constraints, not missing permissions.

  await Promise.all([

    test_driver.set_permission({name: 'camera'}, 'granted'),

    test_driver.set_permission({name: 'microphone'}, 'granted')

]);

  // Wait until the element is clickable.

  await new Promise(resolve => t.step_timeout(resolve, 600));

  await test_driver.click(usermedia);

  // Wait a bit to see if 'onstream' fires.

  await new Promise(resolve => t.step_timeout(resolve, 500));

  assert_false(stream_event_fired, "onstream event should not fire when no constraints are set");

  assert_equals(usermedia.stream, null, "stream attribute should be null when no constraints are set");

}, "A usermedia element with no constraints set should not trigger a stream request on click");

promise_test(async (t) => {

  const usermedia = document.createElement('usermedia');

  document.body.appendChild(usermedia);

  usermedia.setConstraints({video: false, audio: false});

  let stream_event_fired = false;

  usermedia.onstream = () => {

    stream_event_fired = true;

};

  await Promise.all([

    test_driver.set_permission({name: 'camera'}, 'granted'),

    test_driver.set_permission({name: 'microphone'}, 'granted')

]);

  // Wait until the element is clickable.

  await new Promise(resolve => t.step_timeout(resolve, 600));

  await test_driver.click(usermedia);

  // Wait a bit to see if 'onstream' fires.

  await new Promise(resolve => t.step_timeout(resolve, 500));

  assert_false(stream_event_fired, "onstream event should not fire when constraints are explicitly false");

  assert_equals(usermedia.stream, null, "stream attribute should be null when constraints are explicitly false");

}, "A usermedia element with both video and audio constraints set to false should not trigger a stream request on click");

promise_test(async (t) => {

  const usermedia = document.createElement('usermedia');

  document.body.appendChild(usermedia);

  usermedia.setConstraints({video: true});

  const stream_promise = new Promise((resolve) => {

    usermedia.onstream = resolve;

});

  await test_driver.set_permission({name: 'camera'}, 'granted');

  // Wait until the element is clickable.

  await new Promise(resolve => t.step_timeout(resolve, 600));

  await test_driver.click(usermedia);

  const e = await stream_promise;

  assert_true(e.target.stream instanceof MediaStream);

  assert_equals(e.target.stream.getVideoTracks().length, 1);

  assert_not_equals(usermedia.stream, null, "stream attribute should not be null when video constraints are set");

}, "A usermedia element with video constraints set should trigger a stream request on click");

</script>

</body>