136 lines
4.7 KiB
HTML
136 lines
4.7 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>RTCPeerConnection.prototype.setRemoteDescription - offer</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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// generateOffer()
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// assert_session_desc_equals()
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// test_state_change_event()
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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> 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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2.2.3. Otherwise, if description is set as a remote description, then run one of
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the following steps:
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- If description is of type "offer", set connection.pendingRemoteDescription
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attribute to description and signaling state to have-remote-offer.
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*/
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promise_test(t => {
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const pc = new RTCPeerConnection();
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test_state_change_event(t, pc, ['have-remote-offer']);
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return generateOffer({ pc, data: true })
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.then(offer =>
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pc.setRemoteDescription(offer)
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.then(() => {
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assert_equals(pc.signalingState, 'have-remote-offer');
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assert_session_desc_equals(pc.remoteDescription, offer);
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assert_session_desc_equals(pc.pendingRemoteDescription, offer);
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assert_equals(pc.currentRemoteDescription, null);
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}));
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}, 'setRemoteDescription with valid offer should succeed');
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promise_test(t => {
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const pc = new RTCPeerConnection();
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// have-remote-offer event should only fire once
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test_state_change_event(t, pc, ['have-remote-offer']);
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return Promise.all([
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pc.createOffer({ offerToReceiveAudio: true }),
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generateOffer({ pc, data: true })
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]).then(([offer1, offer2]) =>
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pc.setRemoteDescription(offer1)
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.then(() => pc.setRemoteDescription(offer2))
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.then(() => {
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assert_equals(pc.signalingState, 'have-remote-offer');
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assert_session_desc_equals(pc.remoteDescription, offer2);
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assert_session_desc_equals(pc.pendingRemoteDescription, offer2);
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assert_equals(pc.currentRemoteDescription, null);
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}));
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}, 'Setting remote description multiple times with different offer should succeed');
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/*
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4.3.1.6. Set the RTCSessionSessionDescription
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2.1.4. If the content of description is not valid SDP syntax, then reject p with
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an RTCError (with errorDetail set to "sdp-syntax-error" and the
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sdpLineNumber attribute set to the line number in the SDP where the syntax
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error was detected) and abort these steps.
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*/
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promise_test(t => {
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const pc = new RTCPeerConnection();
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return pc.setRemoteDescription({
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type: 'offer',
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sdp: 'Invalid SDP'
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})
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.then(() => {
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assert_unreached('Expect promise to be rejected');
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}, err => {
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assert_equals(err.errorDetail, 'sdp-syntax-error',
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'Expect error detail field to set to sdp-syntax-error');
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assert_true(err instanceof RTCError,
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'Expect err to be instance of RTCError');
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});
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}, 'setRemoteDescription(offer) with invalid SDP should reject with RTCError');
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/*
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4.3.1.6. Set the RTCSessionSessionDescription
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2.1.3. 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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5.6. If the type is "offer", the PeerConnection state MUST be either "stable" or
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"have-remote-offer".
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*/
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promise_test(t => {
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const pc = new RTCPeerConnection();
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return pc.createOffer()
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.then(offer => pc.setLocalDescription(offer))
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.then(() => pc.createOffer())
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.then(offer2 =>
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promise_rejects(t, 'InvalidStateError',
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pc.setRemoteDescription(offer2)));
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}, 'Calling setRemoteDescription(offer) from have-local-offer state should reject with InvalidStateError');
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</script>
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