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
|
<!doctype html>
<meta charset=utf-8>
<meta name="timeout" content="long">
<title>RTCDataChannel.prototype.close</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="RTCPeerConnection-helper.js"></script>
<script>
'use strict';
for (const options of [{}, {negotiated: true, id: 0}]) {
const mode = `${options.negotiated? "negotiated " : ""}datachannel`;
promise_test(async t => {
const [channel1, channel2] = await createDataChannelPair(t, options);
const haveClosed = new Promise(r => channel2.onclose = r);
let closingSeen = false;
channel1.onclosing = t.unreached_func();
channel2.onclosing = () => {
assert_equals(channel2.readyState, 'closing');
closingSeen = true;
};
channel2.addEventListener('error', t.unreached_func());
channel1.close();
await haveClosed;
assert_equals(channel2.readyState, 'closed');
assert_true(closingSeen, 'Closing event was seen');
}, `Close ${mode} causes onclosing and onclose to be called`);
promise_test(async t => {
// This is the same test as above, but using addEventListener
// rather than the "onclose" attribute.
const [channel1, channel2] = await createDataChannelPair(t, options);
const haveClosed = new Promise(r => channel2.addEventListener('close', r));
let closingSeen = false;
channel1.addEventListener('closing', t.unreached_func());
channel2.addEventListener('closing', () => {
assert_equals(channel2.readyState, 'closing');
closingSeen = true;
});
channel2.addEventListener('error', t.unreached_func());
channel1.close();
await haveClosed;
assert_equals(channel2.readyState, 'closed');
assert_true(closingSeen, 'Closing event was seen');
}, `Close ${mode} causes closing and close event to be called`);
promise_test(async t => {
const pc1 = new RTCPeerConnection();
t.add_cleanup(() => pc1.close());
const pc2 = new RTCPeerConnection();
t.add_cleanup(() => pc2.close());
const mainChannel1 = pc1.createDataChannel('not-counted', options);
exchangeIceCandidates(pc1, pc2);
await exchangeOfferAnswer(pc1, pc2);
if (!options.negotiated) {
await new Promise(r => pc2.ondatachannel = r);
}
for (let i = 1; i <= 10; i++) {
if ('id' in options) {
options.id = i;
}
const sender = pc1.createDataChannel(`dc ${i}`, options);
const senderOpen = new Promise(r => sender.onopen = r);
let receiver;
if (options.negotiated) {
receiver = pc2.createDataChannel(`dc ${i}`, options);
} else {
receiver = (await new Promise(r => pc2.ondatachannel = r)).channel;
}
receiver.onmessage = ({data}) => receiver.send(data);
await senderOpen;
sender.send(`ping ${i}`);
const {data} = await new Promise(r => sender.onmessage = r);
assert_equals(data, `ping ${i}`);
sender.close();
await new Promise(r => receiver.onclose = r);
}
}, `Repeated open/send/echo/close ${mode} works`);
promise_test(async t => {
const pc1 = new RTCPeerConnection();
t.add_cleanup(() => pc1.close());
const [channel1, channel2] = await createDataChannelPair(t, options, pc1);
const events = [];
let error = null;
channel2.addEventListener('error', t.step_func(event => {
events.push('error');
assert_true(event instanceof RTCErrorEvent);
error = event.error;
}));
const haveClosed = new Promise(r => channel2.addEventListener('close', () => {
events.push('close');
r();
}));
pc1.close();
await haveClosed;
// Error should fire before close.
assert_array_equals(events, ['error', 'close']);
assert_true(error instanceof RTCError);
assert_equals(error.name, 'OperationError');
assert_equals(error.errorDetail, 'sctp-failure');
// Expects the sctpErrorCode is either null or 12 (User-Initiated Abort) as it is
// optional in the SCTP specification.
assert_in_array(error.sctpCauseCode, [null, 12]);
}, `Close peerconnection causes close event and error to be called on ${mode}`);
promise_test(async t => {
let pc1 = new RTCPeerConnection();
t.add_cleanup(() => pc1.close());
let [channel1, channel2] = await createDataChannelPair(t, options, pc1);
// The expected sequence of events when closing a DC is that
// channel1 goes to closing, channel2 fires onclose, and when
// the close is confirmed, channel1 fires onclose.
// After that, no more events should fire.
channel1.onerror = t.unreached_func();
let close2Handler = new Promise(resolve => {
channel2.onclose = event => {
resolve();
};
});
let close1Handler = new Promise(resolve => {
channel1.onclose = event => {
resolve();
};
});
channel1.close();
await close2Handler;
await close1Handler;
channel1.onclose = t.unreached_func();
channel2.onclose = t.unreached_func();
channel2.onerror = t.unreached_func();
pc1.close();
await new Promise(resolve => t.step_timeout(resolve, 10));
}, `Close peerconnection after ${mode} close causes no events`);
promise_test(async t => {
const pc1 = new RTCPeerConnection();
t.add_cleanup(() => pc1.close());
const pc2 = new RTCPeerConnection();
t.add_cleanup(() => pc2.close());
pc1.createDataChannel('not-counted', options);
const tokenDataChannel = new Promise(resolve => {
pc2.ondatachannel = resolve;
});
exchangeIceCandidates(pc1, pc2);
await exchangeOfferAnswer(pc1, pc2);
if (!options.negotiated) {
await tokenDataChannel;
}
let closeExpectedCount = 0;
let errorExpectedCount = 0;
let resolveCountIsZero;
let waitForCountIsZero = new Promise(resolve => {
resolveCountIsZero = resolve;
});
for (let i = 1; i <= 10; i++) {
if ('id' in options) {
options.id = i;
}
pc1.createDataChannel('', options);
if (options.negotiated) {
const channel = pc2.createDataChannel('', options);
channel.addEventListener('error', t.step_func(event => {
assert_true(event instanceof RTCErrorEvent, 'error event ' + event);
errorExpectedCount -= 1;
}));
channel.addEventListener('close', t.step_func(event => {
closeExpectedCount -= 1;
if (closeExpectedCount == 0) {
resolveCountIsZero();
}
}));
} else {
await new Promise(resolve => {
pc2.ondatachannel = ({channel}) => {
channel.addEventListener('error', t.step_func(event => {
assert_true(event instanceof RTCErrorEvent);
errorExpectedCount -= 1;
}));
channel.addEventListener('close', t.step_func(event => {
closeExpectedCount -= 1;
if (closeExpectedCount == 0) {
resolveCountIsZero();
}
}));
resolve();
}
});
}
++closeExpectedCount;
++errorExpectedCount;
}
assert_equals(closeExpectedCount, 10);
// We have to wait until SCTP is connected before we close, otherwise
// there will be no signal.
// The state is not available under Plan B, and unreliable on negotiated
// channels.
// TODO(bugs.webrtc.org/12259): Remove dependency on "negotiated"
if (pc1.sctp && !options.negotiated) {
waitForState(pc1.sctp, 'connected');
} else {
// Under plan B, we don't have a dtls transport to wait on, so just
// wait a bit.
await new Promise(resolve => t.step_timeout(resolve, 100));
}
pc1.close();
await waitForCountIsZero;
assert_equals(closeExpectedCount, 0);
assert_equals(errorExpectedCount, 0);
}, `Close peerconnection causes close event and error on many channels, ${mode}`);
}
</script>
|
