RTCPeerConnection-ondatachannel.html

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This WPT test may be referenced by the following Test IDs:
- /webrtc-priority/RTCPeerConnection-ondatachannel.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>RTCPeerConnection.prototype.ondatachannel</title>

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

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

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

<script>

'use strict';

promise_test(async (t) => {

  const resolver = new Resolver();

  const pc1 = new RTCPeerConnection();

  const pc2 = new RTCPeerConnection();

  t.add_cleanup(() => pc1.close());

  t.add_cleanup(() => pc2.close());

  const dc1 = pc1.createDataChannel('test', {

    ordered: false,

    maxRetransmits: 1,

    protocol: 'custom',

    priority: 'high'

});

  assert_equals(dc1.priority, 'high');

  pc2.ondatachannel = t.step_func((event) => {

    const dc2 = event.channel;

    assert_equals(dc2.priority, 'high');

    resolver.resolve();

});

  exchangeIceCandidates(pc1, pc2);

  await exchangeOfferAnswer(pc1, pc2);

  await resolver;

}, 'In-band negotiated channel created on remote peer should match the same configuration as local ' +

  'peer');

promise_test(async (t) => {

  const resolver = new Resolver();

  const pc1 = new RTCPeerConnection();

  const pc2 = new RTCPeerConnection();

  t.add_cleanup(() => pc1.close());

  t.add_cleanup(() => pc2.close());

  const dc1 = pc1.createDataChannel('');

  assert_equals(dc1.priority, 'low');

  pc2.ondatachannel = t.step_func((event) => {

    const dc2 = event.channel;

    assert_equals(dc2.priority, 'low');

    resolver.resolve();

});

  exchangeIceCandidates(pc1, pc2);

  await exchangeOfferAnswer(pc1, pc2);

  await resolver;

}, 'In-band negotiated channel created on remote peer should match the same (default) ' +

  'configuration as local peer');

</script>