| <!doctype html> |
| <meta charset=utf-8> |
| <title>RTCPeerConnection.prototype.setRemoteDescription - offer</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="RTCPeerConnection-helper.js"></script> |
| <script> |
| 'use strict'; |
| |
| // Test is based on the following editor draft: |
| // https://w3c.github.io/webrtc-pc/archives/20170605/webrtc.html |
| |
| // The following helper functions are called from RTCPeerConnection-helper.js: |
| // generateOffer() |
| // assert_session_desc_equals() |
| // test_state_change_event() |
| // test_never_resolve() |
| |
| /* |
| 4.3.2. Interface Definition |
| [Constructor(optional RTCConfiguration configuration)] |
| interface RTCPeerConnection : EventTarget { |
| Promise<void> setRemoteDescription( |
| RTCSessionDescriptionInit description); |
| |
| readonly attribute RTCSessionDescription? remoteDescription; |
| readonly attribute RTCSessionDescription? currentRemoteDescription; |
| readonly attribute RTCSessionDescription? pendingRemoteDescription; |
| ... |
| }; |
| |
| 4.6.2. RTCSessionDescription Class |
| dictionary RTCSessionDescriptionInit { |
| required RTCSdpType type; |
| DOMString sdp = ""; |
| }; |
| |
| 4.6.1. RTCSdpType |
| enum RTCSdpType { |
| "offer", |
| "pranswer", |
| "answer", |
| "rollback" |
| }; |
| */ |
| |
| /* |
| 4.3.1.6. Set the RTCSessionSessionDescription |
| 2.2.3. Otherwise, if description is set as a remote description, then run one of |
| the following steps: |
| - If description is of type "offer", set connection.pendingRemoteDescription |
| attribute to description and signaling state to have-remote-offer. |
| */ |
| promise_test(t => { |
| const pc = new RTCPeerConnection(); |
| |
| test_state_change_event(t, pc, ['have-remote-offer']); |
| |
| return generateOffer({ data: true }) |
| .then(offer => |
| pc.setRemoteDescription(offer) |
| .then(offer => { |
| assert_equals(pc.signalingState, 'have-remote-offer'); |
| assert_session_desc_equals(pc.remoteDescription, offer); |
| assert_session_desc_equals(pc.pendingRemoteDescription, offer); |
| assert_equals(pc.currentRemoteDescription, null); |
| })); |
| }, 'setRemoteDescription with valid offer should succeed'); |
| |
| promise_test(t => { |
| const pc = new RTCPeerConnection(); |
| |
| // have-remote-offer event should only fire once |
| test_state_change_event(t, pc, ['have-remote-offer']); |
| |
| return Promise.all([ |
| generateOffer({ audio: true }), |
| generateOffer({ data: true }) |
| ]).then(([offer1, offer2]) => |
| pc.setRemoteDescription(offer1) |
| .then(() => pc.setRemoteDescription(offer2)) |
| .then(() => { |
| assert_equals(pc.signalingState, 'have-remote-offer'); |
| assert_session_desc_equals(pc.remoteDescription, offer2); |
| assert_session_desc_equals(pc.pendingRemoteDescription, offer2); |
| assert_equals(pc.currentRemoteDescription, null); |
| })); |
| }, 'Setting remote description multiple times with different offer should succeed'); |
| |
| /* |
| 4.3.1.6. Set the RTCSessionSessionDescription |
| 2.2.1. If connection's [[IsClosed]] slot is true, then abort these steps. |
| */ |
| test_never_resolve(t => { |
| const pc = new RTCPeerConnection(); |
| |
| return generateOffer() |
| .then(offer => { |
| const promise = pc.setRemoteDescription(offer); |
| pc.close(); |
| return promise; |
| }); |
| }, 'setRemoteDescription(offer) should never resolve if connection is closed in parallel') |
| |
| /* |
| 4.3.1.6. Set the RTCSessionSessionDescription |
| 2.1.4. If the content of description is not valid SDP syntax, then reject p with |
| an RTCError (with errorDetail set to "sdp-syntax-error" and the |
| sdpLineNumber attribute set to the line number in the SDP where the syntax |
| error was detected) and abort these steps. |
| */ |
| promise_test(t => { |
| const pc = new RTCPeerConnection(); |
| |
| return pc.setRemoteDescription({ |
| type: 'offer', |
| sdp: 'Invalid SDP' |
| }) |
| .then(() => { |
| assert_unreached('Expect promise to be rejected'); |
| }, err => { |
| assert_equals(err.errorDetail, 'sdp-syntax-error', |
| 'Expect error detail field to set to sdp-syntax-error'); |
| |
| assert_true(err instanceof RTCError, |
| 'Expect err to be instance of RTCError'); |
| }); |
| }, 'setRemoteDescription(offer) with invalid SDP should reject with RTCError'); |
| |
| /* |
| 4.3.1.6. Set the RTCSessionSessionDescription |
| 2.1.3. If the description's type is invalid for the current signaling state of |
| connection, then reject p with a newly created InvalidStateError and abort |
| these steps. |
| |
| [JSEP] |
| 5.6. If the type is "offer", the PeerConnection state MUST be either "stable" or |
| "have-remote-offer". |
| */ |
| promise_test(t => { |
| const pc = new RTCPeerConnection(); |
| |
| return pc.createOffer() |
| .then(offer => pc.setLocalDescription(offer)) |
| .then(() => generateOffer()) |
| .then(offer => |
| promise_rejects(t, 'InvalidStateError', |
| pc.setRemoteDescription(offer))); |
| }, 'Calling setRemoteDescription(offer) from have-local-offer state should reject with InvalidStateError'); |
| |
| </script> |
