| <!doctype html> |
| <meta charset=utf-8> |
| <title>RTCPeerConnection.prototype.iceGatheringState</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="RTCPeerConnection-helper.js"></script> |
| <script> |
| 'use strict'; |
| |
| promise_test(async t => { |
| const pc1 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc1.close()); |
| const pc2 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc2.close()); |
| await initialOfferAnswerWithIceGatheringStateTransitions( |
| pc1, pc2, {offerToReceiveAudio: true}); |
| await pc1.setLocalDescription(await pc1.createOffer({iceRestart: true})); |
| await iceGatheringStateTransitions(pc1, 'gathering', 'complete'); |
| expectNoMoreGatheringStateChanges(t, pc1); |
| await pc1.setLocalDescription({type: 'rollback'}); |
| await new Promise(r => t.step_timeout(r, 1000)); |
| }, 'rolling back an ICE restart when gathering is complete should not result in iceGatheringState changes'); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| await pc.setLocalDescription( |
| await pc.createOffer({offerToReceiveAudio: true})); |
| await iceGatheringStateTransitions(pc, 'gathering', 'complete'); |
| await pc.setLocalDescription({type: 'rollback'}); |
| await iceGatheringStateTransitions(pc, 'new'); |
| }, 'setLocalDescription(rollback) of original offer should cause iceGatheringState to reach "new" when starting in "complete"'); |
| |
| promise_test(async t => { |
| const pc = new RTCPeerConnection(); |
| t.add_cleanup(() => pc.close()); |
| await pc.setLocalDescription( |
| await pc.createOffer({offerToReceiveAudio: true})); |
| await iceGatheringStateTransitions(pc, 'gathering'); |
| await pc.setLocalDescription({type: 'rollback'}); |
| // We might go directly to 'new', or we might go to 'complete' first, |
| // depending on timing. Allow either. |
| const results = await Promise.allSettled([ |
| iceGatheringStateTransitions(pc, 'new'), |
| iceGatheringStateTransitions(pc, 'complete', 'new')]); |
| assert_true(results.some(result => result.status == 'fulfilled'), |
| 'ICE gathering state should go back to "new", possibly through "complete"'); |
| }, 'setLocalDescription(rollback) of original offer should cause iceGatheringState to reach "new" when starting in "gathering"'); |
| |
| </script> |
