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<!doctype html>
<meta charset=utf-8>
<title>RTCRtpSender.prototype.setStreams</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 caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
const stream = await getNoiseStream({audio: true});
t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
const [track] = stream.getTracks();
const sender = caller.addTrack(track);
const stream1 = new MediaStream();
const stream2 = new MediaStream();
sender.setStreams(stream1, stream2);
const offer = await caller.createOffer();
callee.setRemoteDescription(offer);
return new Promise(resolve => callee.ontrack = t.step_func(event =>{
assert_equals(event.streams.length, 2);
const calleeStreamIds = event.streams.map(s => s.id);
assert_in_array(stream1.id, calleeStreamIds);
assert_in_array(stream2.id, calleeStreamIds);
resolve();
}));
}, 'setStreams causes streams to be reported via ontrack on callee');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
const stream = await getNoiseStream({audio: true});
t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
const [track] = stream.getTracks();
const sender = caller.addTrack(track);
sender.setStreams(stream);
const offer = await caller.createOffer();
callee.setRemoteDescription(offer);
return new Promise(resolve => callee.ontrack = t.step_func(event =>{
assert_equals(event.streams.length, 1);
assert_equals(stream.id, event.streams[0].id);
assert_equals(track.id, event.track.id);
assert_equals(event.streams[0].getTracks()[0], event.track);
resolve();
}));
}, 'setStreams can be used to reconstruct a stream with a track on the remote side');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
callee.ontrack = t.unreached_func();
const transceiver = caller.addTransceiver('audio', {direction: 'inactive'});
await exchangeOfferAnswer(caller, callee);
const stream1 = new MediaStream();
const stream2 = new MediaStream();
transceiver.direction = 'sendrecv';
transceiver.sender.setStreams(stream1, stream2);
const offer = await caller.createOffer();
callee.setRemoteDescription(offer);
return new Promise(resolve => callee.ontrack = t.step_func(event =>{
assert_equals(event.streams.length, 2);
const calleeStreamIds = event.streams.map(s => s.id);
assert_in_array(stream1.id, calleeStreamIds);
assert_in_array(stream2.id, calleeStreamIds);
assert_in_array(event.track, event.streams[0].getTracks());
assert_in_array(event.track, event.streams[1].getTracks());
resolve();
}));
}, 'Adding streams and changing direction causes new streams to be reported via ontrack on callee');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
const stream1 = new MediaStream();
const stream2 = new MediaStream();
let calleeTrack = null;
callee.ontrack = t.step_func(event => {
assert_equals(event.streams.length, 0);
calleeTrack = event.track;
});
const transceiver = caller.addTransceiver('audio', {direction: 'sendrecv'});
await exchangeOfferAnswer(caller, callee);
assert_true(calleeTrack instanceof MediaStreamTrack);
transceiver.sender.setStreams(stream1, stream2);
const offer = await caller.createOffer();
callee.setRemoteDescription(offer);
return new Promise(resolve => callee.ontrack = t.step_func(event =>{
assert_equals(event.streams.length, 2);
const calleeStreamIds = event.streams.map(s => s.id);
assert_in_array(stream1.id, calleeStreamIds);
assert_in_array(stream2.id, calleeStreamIds);
assert_in_array(event.track, event.streams[0].getTracks());
assert_in_array(event.track, event.streams[1].getTracks());
assert_equals(event.track, calleeTrack);
resolve();
}));
}, 'Adding streams to an active transceiver causes new streams to be reported via ontrack on callee');
test(t => {
const pc = new RTCPeerConnection();
const stream1 = new MediaStream();
const stream2 = new MediaStream();
const transceiver = pc.addTransceiver('audio');
pc.close();
assert_throws_dom('InvalidStateError', () => transceiver.sender.setStreams(stream1, stream2));
}, 'setStreams() fires InvalidStateError on a closed peer connection.');
</script>
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