mirror of
https://github.com/servo/servo.git
synced 2025-06-29 11:33:39 +01:00
208 lines
7.6 KiB
HTML
208 lines
7.6 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>Candidate exchange</title>
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<meta name=timeout content=long>
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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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</head>
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<body>
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<script>
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function iceGatheringCompleteWaiter(pc) {
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const waiter = new Promise((resolve) => {
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const eventHandler = () => {
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if (pc.iceGatheringState == 'complete') {
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pc.removeEventListener('icegatheringstatechange', eventHandler, false);
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resolve();
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}
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};
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if (pc.iceGatheringState == 'complete') {
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resolve();
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} else {
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pc.addEventListener('icegatheringstatechange', eventHandler, false);
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}
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});
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return waiter;
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}
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class StateLogger {
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constructor(source, eventname, field) {
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source.addEventListener(eventname, event => {
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this.events.push(source[field]);
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});
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this.events = [source[field]];
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}
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}
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class IceStateLogger extends StateLogger {
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constructor(source) {
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super(source, 'iceconnectionstatechange', 'iceConnectionState');
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}
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}
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1.createDataChannel('datachannel');
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pc1IceStates = new IceStateLogger(pc1);
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pc2IceStates = new IceStateLogger(pc1);
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coupleIceCandidates(pc1, pc2);
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await doSignalingHandshake(pc1, pc2);
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// Note - it's been claimed that this state sometimes jumps straight
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// to "completed". If so, this test should be flaky.
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await waitForIceStateChange(pc1, ['connected']);
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assert_array_equals(pc1IceStates.events, ['new', 'checking', 'connected']);
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assert_array_equals(pc2IceStates.events, ['new', 'checking', 'connected']);
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}, 'Two way ICE exchange works');
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1IceStates = new IceStateLogger(pc1);
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pc2IceStates = new IceStateLogger(pc1);
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let candidates = [];
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pc1.createDataChannel('datachannel');
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pc1.onicecandidate = e => {
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candidates.push(e.candidate);
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}
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// Candidates from PC2 are not delivered to pc1, so pc1 will use
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// peer-reflexive candidates.
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await doSignalingHandshake(pc1, pc2);
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const waiter = iceGatheringCompleteWaiter(pc1);
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await waiter;
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for (const candidate of candidates) {
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if (candidate) {
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pc2.addIceCandidate(candidate);
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}
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}
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await Promise.all([waitForIceStateChange(pc1, ['connected', 'completed']),
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waitForIceStateChange(pc2, ['connected', 'completed'])]);
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const candidate_pair = pc1.sctp.transport.iceTransport.getSelectedCandidatePair();
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assert_equals(candidate_pair.local.type, 'host');
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assert_equals(candidate_pair.remote.type, 'prflx');
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assert_array_equals(pc1IceStates.events, ['new', 'checking', 'connected']);
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assert_array_equals(pc2IceStates.events, ['new', 'checking', 'connected']);
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}, 'Adding only caller -> callee candidates gives a connection');
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1IceStates = new IceStateLogger(pc1);
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pc2IceStates = new IceStateLogger(pc1);
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let candidates = [];
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pc1.createDataChannel('datachannel');
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pc2.onicecandidate = e => {
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candidates.push(e.candidate);
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}
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// Candidates from pc1 are not delivered to pc2. so pc2 will use
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// peer-reflexive candidates.
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await doSignalingHandshake(pc1, pc2);
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const waiter = iceGatheringCompleteWaiter(pc2);
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await waiter;
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for (const candidate of candidates) {
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if (candidate) {
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pc1.addIceCandidate(candidate);
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}
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}
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await Promise.all([waitForIceStateChange(pc1, ['connected', 'completed']),
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waitForIceStateChange(pc2, ['connected', 'completed'])]);
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const candidate_pair = pc2.sctp.transport.iceTransport.getSelectedCandidatePair();
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assert_equals(candidate_pair.local.type, 'host');
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assert_equals(candidate_pair.remote.type, 'prflx');
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assert_array_equals(pc1IceStates.events, ['new', 'checking', 'connected']);
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assert_array_equals(pc2IceStates.events, ['new', 'checking', 'connected']);
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}, 'Adding only callee -> caller candidates gives a connection');
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1IceStates = new IceStateLogger(pc1);
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pc2IceStates = new IceStateLogger(pc1);
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let pc2ToPc1Candidates = [];
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pc1.createDataChannel('datachannel');
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pc2.onicecandidate = e => {
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pc2ToPc1Candidates.push(e.candidate);
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// This particular test verifies that candidates work
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// properly if added from the pc2 onicecandidate event.
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if (!e.candidate) {
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for (const candidate of pc2ToPc1Candidates) {
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if (candidate) {
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pc1.addIceCandidate(candidate);
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}
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}
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}
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}
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// Candidates from |pc1| are not delivered to |pc2|. |pc2| will use
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// peer-reflexive candidates.
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await doSignalingHandshake(pc1, pc2);
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await Promise.all([waitForIceStateChange(pc1, ['connected', 'completed']),
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waitForIceStateChange(pc2, ['connected', 'completed'])]);
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const candidate_pair = pc2.sctp.transport.iceTransport.getSelectedCandidatePair();
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assert_equals(candidate_pair.local.type, 'host');
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assert_equals(candidate_pair.remote.type, 'prflx');
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assert_array_equals(pc1IceStates.events, ['new', 'checking', 'connected']);
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assert_array_equals(pc2IceStates.events, ['new', 'checking', 'connected']);
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}, 'Adding callee -> caller candidates from end-of-candidates gives a connection');
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promise_test(async t => {
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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pc1IceStates = new IceStateLogger(pc1);
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pc2IceStates = new IceStateLogger(pc1);
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let pc1ToPc2Candidates = [];
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let pc2ToPc1Candidates = [];
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pc1.createDataChannel('datachannel');
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pc1.onicecandidate = e => {
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pc1ToPc2Candidates.push(e.candidate);
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}
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pc2.onicecandidate = e => {
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pc2ToPc1Candidates.push(e.candidate);
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}
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const offer = await pc1.createOffer();
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await Promise.all([pc1.setLocalDescription(offer),
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pc2.setRemoteDescription(offer)]);
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const answer = await pc2.createAnswer();
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await iceGatheringCompleteWaiter(pc1);
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await pc2.setLocalDescription(answer).then(() => {
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for (const candidate of pc1ToPc2Candidates) {
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if (candidate) {
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pc2.addIceCandidate(candidate);
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}
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}
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});
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await iceGatheringCompleteWaiter(pc2);
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pc1.setRemoteDescription(answer).then(async () => {
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for (const candidate of pc2ToPc1Candidates) {
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if (candidate) {
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await pc1.addIceCandidate(candidate);
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}
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}
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});
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await Promise.all([waitForIceStateChange(pc1, ['connected', 'completed']),
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waitForIceStateChange(pc2, ['connected', 'completed'])]);
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const candidate_pair =
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pc1.sctp.transport.iceTransport.getSelectedCandidatePair();
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assert_equals(candidate_pair.local.type, 'host');
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// When we supply remote candidates, we expect a jump to the 'host' candidate,
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// but it might also remain as 'prflx'.
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assert_true(candidate_pair.remote.type == 'host' ||
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candidate_pair.remote.type == 'prflx');
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assert_array_equals(pc1IceStates.events, ['new', 'checking', 'connected']);
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assert_array_equals(pc2IceStates.events, ['new', 'checking', 'connected']);
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}, 'Explicit offer/answer exchange gives a connection');
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</script>
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</body>
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</html>
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