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
|
<!doctype html>
<meta charset=utf-8>
<title>RTCRtpSendParameters degradationPreference</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
'use strict';
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const { sender } = pc.addTransceiver('video');
let param = sender.getParameters();
assert_equals(param.degradationPreference, undefined,
'Expect initial param.degradationPreference to be undefined');
param.degradationPreference = 'maintain-framerate';
await sender.setParameters(param);
param = sender.getParameters();
assert_equals(param.degradationPreference, 'maintain-framerate');
param.degradationPreference = 'maintain-resolution';
await sender.setParameters(param);
param = sender.getParameters();
assert_equals(param.degradationPreference, 'maintain-resolution');
param.degradationPreference = 'balanced';
await sender.setParameters(param);
param = sender.getParameters();
assert_equals(param.degradationPreference, 'balanced');
param.degradationPreference = undefined;
await sender.setParameters(param);
param = sender.getParameters();
assert_equals(param.degradationPreference, undefined);
}, 'setParameters with degradationPreference set should succeed on video transceiver');
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const { sender } = pc.addTransceiver('video');
let param = sender.getParameters();
assert_equals(param.degradationPreference, undefined,
'Expect initial param.degradationPreference to be undefined');
param.degradationPreference = undefined;
await sender.setParameters(param);
param = sender.getParameters();
assert_equals(param.degradationPreference, undefined);
}, 'setParameters with degradationPreference unset should succeed on video transceiver');
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const { sender } = pc.addTransceiver('video');
let param = sender.getParameters();
param.degradationPreference = 'invalid';
return promise_rejects_js(t, TypeError, sender.setParameters(param));
}, 'setParameters with invalid degradationPreference should throw TypeError on video transceiver');
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const { sender } = pc.addTransceiver('audio');
let param = sender.getParameters();
assert_equals(param.degradationPreference, undefined,
'Expect initial param.degradationPreference to be undefined');
param.degradationPreference = 'maintain-framerate';
await sender.setParameters(param);
param = sender.getParameters();
assert_equals(param.degradationPreference, 'maintain-framerate');
param.degradationPreference = 'maintain-resolution';
await sender.setParameters(param);
param = sender.getParameters();
assert_equals(param.degradationPreference, 'maintain-resolution');
param.degradationPreference = 'balanced';
await sender.setParameters(param);
param = sender.getParameters();
assert_equals(param.degradationPreference, 'balanced');
param.degradationPreference = undefined;
await sender.setParameters(param);
param = sender.getParameters();
assert_equals(param.degradationPreference, undefined);
}, 'setParameters with degradationPreference set should succeed on audio transceiver');
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const { sender } = pc.addTransceiver('audio');
let param = sender.getParameters();
assert_equals(param.degradationPreference, undefined,
'Expect initial param.degradationPreference to be undefined');
param.degradationPreference = undefined;
await sender.setParameters(param);
param = sender.getParameters();
assert_equals(param.degradationPreference, undefined);
}, 'setParameters with degradationPreference unset should succeed on audio transceiver');
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const { sender } = pc.addTransceiver('audio');
let param = sender.getParameters();
param.degradationPreference = 'invalid';
return promise_rejects_js(t, TypeError, sender.setParameters(param));
}, 'setParameters with invalid degradationPreference should throw TypeError on audio transceiver');
</script>
|
