RTCDataChannel-GC.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:
- /webrtc/RTCDataChannel-GC.html - WPT Dashboard Interop Dashboard

<!doctype html>

<html>

<head>

<meta charset=utf-8>

<meta name="timeout" content="long">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/common/gc.js"></script>

<script src="RTCPeerConnection-helper.js"></script>

</head>

<body>

<script>

'use strict';

// Check that RTCDataChannel is not collected by GC while observing remote pc close

async function didRemotePcClose(t, closeRemotePc) {

  let pc1 = new RTCPeerConnection(), pc2 = new RTCPeerConnection();

  t.add_cleanup(async () => await garbageCollect());

  pc1.onicecandidate = e => pc2.addIceCandidate(e.candidate);

  pc2.onicecandidate = e => pc1.addIceCandidate(e.candidate);

  let dc1 = pc1.createDataChannel("");

  const haveOpened = new Promise(r => dc1.onopen = r);

  let closed = false;

  const haveClosed = new Promise(r => dc1.onclose = () => r(closed = true));

  dc1 = null;

  await pc1.setLocalDescription();

  await pc2.setRemoteDescription(pc1.localDescription);

  await pc2.setLocalDescription();

  await pc1.setRemoteDescription(pc2.localDescription);

  await haveOpened;

  if (closeRemotePc) pc2.close();

  pc1 = pc2 = null;

  await garbageCollect();

  await Promise.race([haveClosed, new Promise(r => t.step_timeout(r, 10000))]);

  return closed;

promise_test(async t => {

  assert_true(await didRemotePcClose(t, true));

}, "Control: detected remote PC being closed using a data channel");

promise_test(async t => {

  assert_false(await didRemotePcClose(t, false));

}, "While remote PC remains open, its datachannel should not be collected");

</script>

</body>

</html>