File: RTCPeerConnection-candidate-in-sdp.https.html

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<!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>