RTCPeerConnection-candidate-in-sdp.https.html

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This WPT test may be referenced by the following Test IDs:
- /webrtc/RTCPeerConnection-candidate-in-sdp.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

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

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

<script>

'use strict';

promise_test(async t => {

  const pc = new RTCPeerConnection();

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

  let resolveIceCandidatePromise = null;

  const iceCandidatePromise = new Promise(r => resolveIceCandidatePromise = r);

  pc.onicecandidate = e => {

    resolveIceCandidatePromise(pc.localDescription.sdp);

    pc.onicecandidate = null;

  pc.addTransceiver("audio");

  await pc.setLocalDescription(await pc.createOffer());

  assert_false(pc.localDescription.sdp.includes("a=candidate:"),

               "localDescription is missing candidate before onicecandidate");

  // The localDescription at the time of the onicecandidate event.

  const localDescriptionSdp = await iceCandidatePromise;

  assert_true(localDescriptionSdp.includes("a=candidate:"),

               "localDescription contains candidate after onicecandidate");

}, 'localDescription contains candidates');

</script>