1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
|
<!doctype html>
<meta charset=utf-8>
<meta name="timeout" content="long">
<title>RTCPeerConnection.prototype.setRemoteDescription - add/remove remote tracks</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="RTCPeerConnection-helper.js"></script>
<script>
'use strict';
// The following helper functions are called from RTCPeerConnection-helper.js:
// addEventListenerPromise
// exchangeOffer
// exchangeOfferAnswer
// Resolver
// These tests are concerned with the observable consequences of processing
// the addition or removal of remote tracks, including events firing and the
// states of RTCPeerConnection, MediaStream and MediaStreamTrack.
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
const localStream =
await getNoiseStream({audio: true});
t.add_cleanup(() => localStream.getTracks().forEach(track => track.stop()));
caller.addTrack(localStream.getTracks()[0]);
const ontrackPromise = addEventListenerPromise(t, callee, 'track', e => {
assert_equals(e.streams.length, 0, 'No remote stream created.');
});
await exchangeOffer(caller, callee);
await ontrackPromise;
}, 'addTrack() with a track and no stream makes ontrack fire with a track and no stream.');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
const localStream =
await getNoiseStream({audio: true});
t.add_cleanup(() => localStream.getTracks().forEach(track => track.stop()));
caller.addTrack(localStream.getTracks()[0], localStream);
const ontrackPromise = addEventListenerPromise(t, callee, 'track', e => {
assert_equals(e.streams.length, 1, 'Created a single remote stream.');
assert_equals(e.streams[0].id, localStream.id,
'Local and remote stream IDs match.');
assert_array_equals(e.streams[0].getTracks(), [e.track],
'The remote stream contains the remote track.');
});
await exchangeOffer(caller, callee);
await ontrackPromise;
}, 'addTrack() with a track and a stream makes ontrack fire with a track and a stream.');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
let eventSequence = '';
const localStream =
await getNoiseStream({audio: true});
t.add_cleanup(() => localStream.getTracks().forEach(track => track.stop()));
caller.addTrack(localStream.getTracks()[0], localStream);
const ontrackPromise = addEventListenerPromise(t, callee, 'track', e => {
eventSequence += 'ontrack;';
});
await exchangeOffer(caller, callee);
eventSequence += 'setRemoteDescription;';
await ontrackPromise;
assert_equals(eventSequence, 'ontrack;setRemoteDescription;');
}, 'ontrack fires before setRemoteDescription resolves.');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
const localStreams = await Promise.all([
getNoiseStream({audio: true}),
getNoiseStream({audio: true}),
]);
t.add_cleanup(() => localStreams.forEach((stream) =>
stream.getTracks().forEach((track) => track.stop())));
caller.addTrack(localStreams[0].getTracks()[0], localStreams[0]);
caller.addTrack(localStreams[1].getTracks()[0], localStreams[0]);
let ontrackEventsFired = 0;
const ontrackEventResolvers = [ new Resolver(), new Resolver() ];
callee.ontrack = t.step_func(e => {
ontrackEventResolvers[ontrackEventsFired++].resolve(e);
});
await exchangeOffer(caller, callee);
let firstTrackEvent = await ontrackEventResolvers[0];
assert_equals(firstTrackEvent.streams.length, 1,
'First ontrack fires with a single stream.');
assert_equals(firstTrackEvent.streams[0].id,
localStreams[0].id,
'First ontrack\'s stream ID matches local stream.');
let secondTrackEvent = await ontrackEventResolvers[1];
assert_equals(secondTrackEvent.streams.length, 1,
'Second ontrack fires with a single stream.');
assert_equals(secondTrackEvent.streams[0].id,
localStreams[0].id,
'Second ontrack\'s stream ID matches local stream.');
assert_array_equals(firstTrackEvent.streams, secondTrackEvent.streams,
'ontrack was fired with the same streams both times.');
assert_equals(firstTrackEvent.streams[0].getTracks().length, 2, "stream should have two tracks");
assert_true(firstTrackEvent.streams[0].getTracks().includes(firstTrackEvent.track), "remoteStream should have the first track");
assert_true(firstTrackEvent.streams[0].getTracks().includes(secondTrackEvent.track), "remoteStream should have the second track");
assert_equals(ontrackEventsFired, 2, 'Unexpected number of track events.');
assert_equals(ontrackEventsFired, 2, 'Unexpected number of track events.');
}, 'addTrack() with two tracks and one stream makes ontrack fire twice with the tracks and shared stream.');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
let eventSequence = '';
const localStreams = await Promise.all([
getNoiseStream({audio: true}),
getNoiseStream({audio: true}),
]);
t.add_cleanup(() => localStreams.forEach((stream) =>
stream.getTracks().forEach((track) => track.stop())));
caller.addTrack(localStreams[0].getTracks()[0], localStreams[0]);
const remoteStreams = [];
callee.ontrack = e => {
if (!remoteStreams.includes(e.streams[0]))
remoteStreams.push(e.streams[0]);
};
exchangeIceCandidates(caller, callee);
await exchangeOfferAnswer(caller, callee);
assert_equals(remoteStreams.length, 1, 'One remote stream created.');
assert_equals(remoteStreams[0].id, localStreams[0].id,
'First local and remote streams have the same ID.');
const firstRemoteTrack = remoteStreams[0].getTracks()[0];
const onaddtrackPromise = addEventListenerPromise(t, remoteStreams[0], 'addtrack');
caller.addTrack(localStreams[1].getTracks()[0], localStreams[0]);
await exchangeOffer(caller, callee);
const e = await onaddtrackPromise;
assert_equals(remoteStreams[0].getTracks().length, 2, 'stream has two tracks');
assert_not_equals(e.track.id, firstRemoteTrack.id,
'addtrack event has a new track');
assert_equals(remoteStreams.length, 1, 'Still a single remote stream.');
}, 'addTrack() for an existing stream makes stream.onaddtrack fire.');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
let eventSequence = '';
const localStreams = await Promise.all([
getNoiseStream({audio: true}),
getNoiseStream({audio: true}),
]);
t.add_cleanup(() => localStreams.forEach((stream) =>
stream.getTracks().forEach((track) => track.stop())));
caller.addTrack(localStreams[0].getTracks()[0], localStreams[0]);
const remoteStreams = [];
callee.ontrack = e => {
if (!remoteStreams.includes(e.streams[0]))
remoteStreams.push(e.streams[0]);
};
exchangeIceCandidates(caller, callee);
await exchangeOfferAnswer(caller, callee);
assert_equals(remoteStreams.length, 1, 'One remote stream created.');
const onaddtrackPromise =
addEventListenerPromise(t, remoteStreams[0], 'addtrack', e => {
eventSequence += 'stream.onaddtrack;';
});
caller.addTrack(localStreams[1].getTracks()[0], localStreams[0]);
await exchangeOffer(caller, callee);
eventSequence += 'setRemoteDescription;';
await onaddtrackPromise;
assert_equals(remoteStreams.length, 1, 'Still a single remote stream.');
assert_equals(eventSequence, 'stream.onaddtrack;setRemoteDescription;');
}, 'stream.onaddtrack fires before setRemoteDescription resolves.');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
const localStreams = await Promise.all([
getNoiseStream({audio: true}),
getNoiseStream({audio: true}),
]);
t.add_cleanup(() => localStreams.forEach((stream) =>
stream.getTracks().forEach((track) => track.stop())));
caller.addTrack(localStreams[0].getTracks()[0],
localStreams[0], localStreams[1]);
const ontrackPromise = addEventListenerPromise(t, callee, 'track', e => {
assert_equals(e.streams.length, 2, 'Two remote stream created.');
assert_array_equals(e.streams[0].getTracks(), [e.track],
'First remote stream == [remote track].');
assert_array_equals(e.streams[1].getTracks(), [e.track],
'Second remote stream == [remote track].');
assert_equals(e.streams[0].id, localStreams[0].id,
'First local and remote stream IDs match.');
assert_equals(e.streams[1].id, localStreams[1].id,
'Second local and remote stream IDs match.');
});
await exchangeOffer(caller, callee);
await ontrackPromise;
}, 'addTrack() with a track and two streams makes ontrack fire with a track and two streams.');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
const localStream =
await getNoiseStream({audio: true});
t.add_cleanup(() => localStream.getTracks().forEach(track => track.stop()));
caller.addTrack(localStream.getTracks()[0], localStream);
const ontrackPromise = addEventListenerPromise(t, callee, 'track', e => {
assert_array_equals(callee.getReceivers(), [e.receiver],
'getReceivers() == [e.receiver].');
});
await exchangeOffer(caller, callee);
await ontrackPromise;
}, 'ontrack\'s receiver matches getReceivers().');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
const localStream =
await getNoiseStream({audio: true});
t.add_cleanup(() => localStream.getTracks().forEach(track => track.stop()));
const sender = caller.addTrack(localStream.getTracks()[0], localStream);
const ontrackPromise = addEventListenerPromise(t, callee, 'track');
exchangeIceCandidates(caller, callee);
await exchangeOfferAnswer(caller, callee);
await ontrackPromise;
assert_equals(callee.getReceivers().length, 1, 'One receiver created.');
caller.removeTrack(sender);
await exchangeOffer(caller, callee);
assert_equals(callee.getReceivers().length, 1, 'Receiver not removed.');
}, 'removeTrack() does not remove the receiver.');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
const localStream =
await getNoiseStream({audio: true});
t.add_cleanup(() => localStream.getTracks().forEach(track => track.stop()));
const [track] = localStream.getTracks();
const sender = caller.addTrack(track, localStream);
const ontrackPromise = addEventListenerPromise(t, callee, 'track', e => {
assert_equals(e.streams.length, 1);
return e.streams[0];
});
exchangeIceCandidates(caller, callee);
await exchangeOfferAnswer(caller, callee);
const remoteStream = await ontrackPromise;
const remoteTrack = remoteStream.getTracks()[0];
const onremovetrackPromise =
addEventListenerPromise(t, remoteStream, 'removetrack', e => {
assert_equals(e.track, remoteTrack);
assert_equals(remoteStream.getTracks().length, 0,
'Remote stream emptied of tracks.');
});
caller.removeTrack(sender);
await exchangeOffer(caller, callee);
await onremovetrackPromise;
}, 'removeTrack() makes stream.onremovetrack fire and the track to be removed from the stream.');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
let eventSequence = '';
const localStream =
await getNoiseStream({audio: true});
t.add_cleanup(() => localStream.getTracks().forEach(track => track.stop()));
const sender = caller.addTrack(localStream.getTracks()[0], localStream);
const ontrackPromise = addEventListenerPromise(t, callee, 'track', e => {
assert_equals(e.streams.length, 1);
return e.streams[0];
});
exchangeIceCandidates(caller, callee);
await exchangeOfferAnswer(caller, callee);
const remoteStream = await ontrackPromise;
const remoteTrack = remoteStream.getTracks()[0];
const onremovetrackPromise =
addEventListenerPromise(t, remoteStream, 'removetrack', e => {
eventSequence += 'stream.onremovetrack;';
});
caller.removeTrack(sender);
await exchangeOffer(caller, callee);
eventSequence += 'setRemoteDescription;';
await onremovetrackPromise;
assert_equals(eventSequence, 'stream.onremovetrack;setRemoteDescription;');
}, 'stream.onremovetrack fires before setRemoteDescription resolves.');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
const localStream =
await getNoiseStream({audio: true});
t.add_cleanup(() => localStream.getTracks().forEach(track => track.stop()));
const sender = caller.addTrack(localStream.getTracks()[0], localStream);
exchangeIceCandidates(caller, callee);
const e = await exchangeOfferAndListenToOntrack(t, caller, callee);
const remoteTrack = e.track;
// Need to wait for unmute, otherwise there's no event for the transition
// back to muted.
const onunmutePromise =
addEventListenerPromise(t, remoteTrack, 'unmute', () => {
assert_false(remoteTrack.muted);
});
await exchangeAnswer(caller, callee);
await onunmutePromise;
const onmutePromise =
addEventListenerPromise(t, remoteTrack, 'mute', () => {
assert_true(remoteTrack.muted);
});
caller.removeTrack(sender);
await exchangeOffer(caller, callee);
await onmutePromise;
}, 'removeTrack() makes track.onmute fire and the track to be muted.');
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
let eventSequence = '';
const localStream =
await getNoiseStream({audio: true});
t.add_cleanup(() => localStream.getTracks().forEach(track => track.stop()));
const sender = caller.addTrack(localStream.getTracks()[0], localStream);
const ontrackPromise = addEventListenerPromise(t, callee, 'track', e => {
assert_equals(e.streams.length, 1);
return e.streams[0];
});
exchangeIceCandidates(caller, callee);
const e = await exchangeOfferAndListenToOntrack(t, caller, callee);
const remoteTrack = e.track;
// Need to wait for unmute, otherwise there's no event for the transition
// back to muted.
const onunmutePromise =
addEventListenerPromise(t, remoteTrack, 'unmute', () => {
assert_false(remoteTrack.muted);
});
await exchangeAnswer(caller, callee);
await onunmutePromise;
const onmutePromise =
addEventListenerPromise(t, remoteTrack, 'mute', () => {
eventSequence += 'track.onmute;';
});
caller.removeTrack(sender);
await exchangeOffer(caller, callee);
eventSequence += 'setRemoteDescription;';
await onmutePromise;
assert_equals(eventSequence, 'track.onmute;setRemoteDescription;');
}, 'track.onmute fires before setRemoteDescription resolves.');
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const stream = await getNoiseStream({audio: true});
t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
const sender = pc.addTrack(stream.getTracks()[0]);
pc.removeTrack(sender);
pc.removeTrack(sender);
}, 'removeTrack() twice is safe.');
</script>
|
