RTCPeerConnection-description-attributes-timing.https.html

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This WPT test may be referenced by the following Test IDs:
- /webrtc/RTCPeerConnection-description-attributes-timing.https.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title></title>

<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());

  const offer = await pc.createOffer();

  assert_equals(pc.pendingLocalDescription, null,

                'pendingLocalDescription is null before setLocalDescription');

  const promise = pc.setLocalDescription(offer);

  assert_equals(pc.pendingLocalDescription, null,

                'pendingLocalDescription is still null while promise pending');

  await promise;

  assert_not_equals(pc.pendingLocalDescription, null,

                    'pendingLocalDescription is not null after await');

  assert_equals(pc.pendingLocalDescription, pc.localDescription);

}, "pendingLocalDescription is surfaced at the right time");

promise_test(async t => {

  const pc = new RTCPeerConnection();

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

  const offer = await pc.createOffer();

  assert_equals(pc.pendingRemoteDescription, null,

                'pendingRemoteDescription is null before setRemoteDescription');

  const promise = pc.setRemoteDescription(offer);

  assert_equals(pc.pendingRemoteDescription, null,

                'pendingRemoteDescription is still null while promise pending');

  await promise;

  assert_not_equals(pc.pendingRemoteDescription, null,

                    'pendingRemoteDescription is not null after await');

  assert_equals(pc.pendingRemoteDescription, pc.remoteDescription);

}, "pendingRemoteDescription is surfaced at the right time");

promise_test(async t => {

  const pc1 = new RTCPeerConnection();

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

  const pc2 = new RTCPeerConnection();

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

  const offer = await pc1.createOffer();

  await pc1.setLocalDescription(offer);

  await pc2.setRemoteDescription(offer);

  const answer = await pc2.createAnswer();

  assert_equals(pc2.currentLocalDescription, null,

                'currentLocalDescription is null before setLocalDescription');

  const promise = pc2.setLocalDescription(answer);

  assert_equals(pc2.currentLocalDescription, null,

                'currentLocalDescription is still null while promise pending');

  await promise;

  assert_not_equals(pc2.currentLocalDescription, null,

                    'currentLocalDescription is not null after await');

  assert_equals(pc2.currentLocalDescription, pc2.localDescription);

}, "currentLocalDescription is surfaced at the right time");

promise_test(async t => {

  const pc1 = new RTCPeerConnection();

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

  const pc2 = new RTCPeerConnection();

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

  const offer = await pc1.createOffer();

  await pc1.setLocalDescription(offer);

  await pc2.setRemoteDescription(offer);

  const answer = await pc2.createAnswer();

  assert_equals(pc1.currentRemoteDescription, null,

                'currentRemoteDescription is null before setRemoteDescription');

  const promise = pc1.setRemoteDescription(answer);

  assert_equals(pc1.currentRemoteDescription, null,

                'currentRemoteDescription is still null while promise pending');

  await promise;

  assert_not_equals(pc1.currentRemoteDescription, null,

                    'currentRemoteDescription is not null after await');

  assert_equals(pc1.currentRemoteDescription, pc1.remoteDescription);

}, "currentRemoteDescription is surfaced at the right time");

</script>