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166 lines
5.8 KiB
HTML
166 lines
5.8 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>RTCPeerConnection.prototype.setLocalDescription pranswer</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="RTCPeerConnection-helper.js"></script>
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<script>
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'use strict';
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// Test is based on the following editor draft:
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// https://w3c.github.io/webrtc-pc/archives/20170605/webrtc.html
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// The following helper functions are called from RTCPeerConnection-helper.js:
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// assert_session_desc_similar
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/*
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4.3.2. Interface Definition
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[Constructor(optional RTCConfiguration configuration)]
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interface RTCPeerConnection : EventTarget {
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Promise<void> setLocalDescription(
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RTCSessionDescriptionInit description);
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readonly attribute RTCSessionDescription? localDescription;
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readonly attribute RTCSessionDescription? currentLocalDescription;
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readonly attribute RTCSessionDescription? pendingLocalDescription;
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Promise<void> setRemoteDescription(
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RTCSessionDescriptionInit description);
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readonly attribute RTCSessionDescription? remoteDescription;
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readonly attribute RTCSessionDescription? currentRemoteDescription;
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readonly attribute RTCSessionDescription? pendingRemoteDescription;
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...
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};
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4.6.2. RTCSessionDescription Class
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dictionary RTCSessionDescriptionInit {
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required RTCSdpType type;
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DOMString sdp = "";
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};
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4.6.1. RTCSdpType
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enum RTCSdpType {
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"offer",
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"pranswer",
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"answer",
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"rollback"
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};
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*/
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/*
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4.3.1.6. Set the RTCSessionSessionDescription
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2.3. If the description's type is invalid for the current signaling state of
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connection, then reject p with a newly created InvalidStateError and abort
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these steps.
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[jsep]
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5.5. If the type is "pranswer" or "answer", the PeerConnection
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state MUST be either "have-remote-offer" or "have-local-pranswer".
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*/
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promise_test(t => {
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const pc = new RTCPeerConnection();
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t.add_cleanup(() => pc.close());
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return pc.createOffer()
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.then(offer =>
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promise_rejects_dom(t, 'InvalidStateError',
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pc.setLocalDescription({ type: 'pranswer', sdp: offer.sdp })));
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}, 'setLocalDescription(pranswer) from stable state should reject with InvalidStateError');
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/*
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4.3.1.6 Set the RTCSessionSessionDescription
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2.2.2. If description is set as a local description, then run one of the
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following steps:
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- If description is of type "pranswer", then set
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connection.pendingLocalDescription to description and signaling state to
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have-local-pranswer.
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*/
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promise_test(t => {
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const pc = new RTCPeerConnection();
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t.add_cleanup(() => pc.close());
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const states = [];
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pc.addEventListener('signalingstatechange', () => states.push(pc.signalingState));
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return generateVideoReceiveOnlyOffer(pc)
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.then(offer =>
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pc.setRemoteDescription(offer)
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.then(() => pc.createAnswer())
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.then(answer => {
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const pranswer = { type: 'pranswer', sdp: answer.sdp };
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return pc.setLocalDescription(pranswer)
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.then(() => {
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assert_equals(pc.signalingState, 'have-local-pranswer');
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assert_session_desc_similar(pc.remoteDescription, offer);
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assert_session_desc_similar(pc.pendingRemoteDescription, offer);
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assert_equals(pc.currentRemoteDescription, null);
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assert_session_desc_similar(pc.localDescription, pranswer);
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assert_session_desc_similar(pc.pendingLocalDescription, pranswer);
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assert_equals(pc.currentLocalDescription, null);
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assert_array_equals(states, ['have-remote-offer', 'have-local-pranswer']);
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});
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}));
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}, 'setLocalDescription(pranswer) should succeed');
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promise_test(t => {
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const pc = new RTCPeerConnection();
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t.add_cleanup(() => pc.close());
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const states = [];
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pc.addEventListener('signalingstatechange', () => states.push(pc.signalingState));
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return generateVideoReceiveOnlyOffer(pc)
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.then(offer =>
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pc.setRemoteDescription(offer)
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.then(() => pc.createAnswer())
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.then(answer => {
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const pranswer = { type: 'pranswer', sdp: answer.sdp };
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return pc.setLocalDescription(pranswer)
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.then(() => pc.setLocalDescription(pranswer))
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.then(() => {
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assert_array_equals(states, ['have-remote-offer', 'have-local-pranswer']);
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});
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}));
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}, 'setLocalDescription(pranswer) can be applied multiple times while still in have-local-pranswer');
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promise_test(t => {
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const pc = new RTCPeerConnection();
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t.add_cleanup(() => pc.close());
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const states = [];
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pc.addEventListener('signalingstatechange', () => states.push(pc.signalingState));
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return generateVideoReceiveOnlyOffer(pc)
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.then(offer =>
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pc.setRemoteDescription(offer)
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.then(() => pc.createAnswer())
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.then(answer => {
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const pranswer = { type: 'pranswer', sdp: answer.sdp };
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return pc.setLocalDescription(pranswer)
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.then(() => pc.setLocalDescription(answer))
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.then(() => {
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assert_equals(pc.signalingState, 'stable');
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assert_session_desc_similar(pc.localDescription, answer);
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assert_session_desc_similar(pc.remoteDescription, offer);
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assert_session_desc_similar(pc.currentLocalDescription, answer);
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assert_session_desc_similar(pc.currentRemoteDescription, offer);
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assert_equals(pc.pendingLocalDescription, null);
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assert_equals(pc.pendingRemoteDescription, null);
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assert_array_equals(states, ['have-remote-offer', 'have-local-pranswer', 'stable']);
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});
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}));
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}, 'setLocalDescription(answer) from have-local-pranswer state should succeed');
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</script>
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