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<!doctype html>
<meta charset=utf-8>
<title>RTCPeerconnection MSID parsing</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../RTCPeerConnection-helper.js"></script>
<script>
'use strict';
const preamble = `v=0
o=- 0 3 IN IP4 127.0.0.1
s=-
t=0 0
a=fingerprint:sha-256 A7:24:72:CA:6E:02:55:39:BA:66:DF:6E:CC:4C:D8:B0:1A:BF:1A:56:65:7D:F4:03:AD:7E:77:43:2A:29:EC:93
a=ice-ufrag:6HHHdzzeIhkE0CKj
a=ice-pwd:XYDGVpfvklQIEnZ6YnyLsAew
m=video 1 RTP/SAVPF 100
c=IN IP4 0.0.0.0
a=rtcp-mux
a=sendonly
a=mid:video
a=rtpmap:100 VP8/30
a=setup:actpass
`;
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const ontrackPromise = addEventListenerPromise(t, pc, 'track');
await pc.setRemoteDescription({type: 'offer', sdp: preamble});
const trackevent = await ontrackPromise;
assert_equals(pc.getReceivers().length, 1);
assert_equals(trackevent.streams.length, 1, 'Stream count');
}, 'Description with no msid produces a track with a stream');
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const ontrackPromise = addEventListenerPromise(t, pc, 'track');
await pc.setRemoteDescription({type: 'offer',
sdp: preamble + 'a=msid:- foobar\n'});
const trackevent = await ontrackPromise;
assert_equals(pc.getReceivers().length, 1);
assert_equals(trackevent.streams.length, 0);
}, 'Description with msid:- appid produces a track with no stream');
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const ontrackPromise = addEventListenerPromise(t, pc, 'track');
await pc.setRemoteDescription({type: 'offer',
sdp: preamble + 'a=msid:foo bar\n'});
const trackevent = await ontrackPromise;
assert_equals(pc.getReceivers().length, 1);
assert_equals(trackevent.streams.length, 1);
assert_equals(trackevent.streams[0].id, 'foo');
}, 'Description with msid:foo bar produces a stream with id foo');
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const ontrackPromise = addEventListenerPromise(t, pc, 'track');
await pc.setRemoteDescription({type: 'offer',
sdp: preamble + 'a=msid:foo bar\n'
+ 'a=msid:baz bar\n'});
const trackevent = await ontrackPromise;
assert_equals(pc.getReceivers().length, 1);
assert_equals(trackevent.streams.length, 2);
}, 'Description with two msid produces two streams');
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const ontrackPromise = addEventListenerPromise(t, pc, 'track');
await pc.setRemoteDescription({type: 'offer',
sdp: preamble + 'a=msid:foo\n'});
const trackevent = await ontrackPromise;
assert_equals(pc.getReceivers().length, 1);
assert_equals(trackevent.streams.length, 1);
assert_equals(trackevent.streams[0].id, 'foo');
}, 'Description with msid foo but no track id is accepted');
</script>
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