MediaStreamTrack-transfer-to-worker-data-holder.https.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /mediacapture-extensions/MediaStreamTrack-transfer-to-worker-data-holder.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>The source of a MediaStreamTrack in transfer to a dedicated worker is kept alive</title>

<link rel="help" href="https://w3c.github.io/mediacapture-extensions/#transferable-mediastreamtrack">

<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 src=/mediacapture-streams/permission-helper.js></script>

<script src=support/transfer-helper.js></script>

<script>

"use strict";

promise_setup(() => setMediaPermission());

promise_test(async t => {

  const worker = await createWorker(t, TRACK_WORKER_SCRIPT);

  const track = await getTrack(t, "video");

  const clone = track.clone();

  const reply = callWorker(worker, {type: "receive", track}, [track]);

  clone.stop();

  const state = await reply;

  assert_equals(state.readyState, "live");

  const size = await callWorker(worker, {type: "readFrame"});

  assert_greater_than(size.width, 0);

}, "Stopping all remaining tracks of a source while a transfer is in flight does not end the transferred track");

</script>