<!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>