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
|
<!doctype html>
<meta charset=utf-8>
<title>getDisplayMedia</title>
<meta name="timeout" content="long">
<button id="button">User gesture</button>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script>
'use strict';
test(() => {
assert_idl_attribute(navigator.mediaDevices, 'getDisplayMedia');
}, "getDisplayMedia in navigator.mediaDevices");
const stopTracks = stream => stream.getTracks().forEach(track => track.stop());
const j = obj => JSON.stringify(obj);
async function getDisplayMedia(constraints) {
const p = new Promise(r => button.onclick = r);
await test_driver.click(button);
await p;
return navigator.mediaDevices.getDisplayMedia(constraints);
}
promise_test(async t => {
try {
stopTracks(await navigator.mediaDevices.getDisplayMedia({video: true}));
} catch (err) {
assert_equals(err.name, 'InvalidStateError', err.message);
return;
}
assert_unreached('getDisplayMedia should have failed');
}, `getDisplayMedia() must require user activation`);
[
{video: true},
{video: true, audio: false},
{audio: false},
{audio: true},
{},
undefined
].forEach(constraints => promise_test(async t => {
const stream = await getDisplayMedia(constraints);
t.add_cleanup(() => stopTracks(stream));
assert_equals(stream.getTracks().length, 1);
assert_equals(stream.getVideoTracks().length, 1);
assert_equals(stream.getAudioTracks().length, 0);
}, `getDisplayMedia(${j(constraints)}) must succeed with video`));
[
{video: false},
{video: {advanced: [{width: 320}]}},
{video: {width: {min: 320}}},
{video: {width: {exact: 320}}},
{video: {height: {min: 240}}},
{video: {height: {exact: 240}}},
{video: {frameRate: {min: 4}}},
{video: {frameRate: {exact: 4}}},
{video: false, audio: true},
].forEach(constraints => promise_test(async t => {
try {
stopTracks(await getDisplayMedia(constraints));
} catch (err) {
assert_equals(err.name, 'TypeError', err.message);
return;
}
assert_unreached('getDisplayMedia should have failed');
}, `getDisplayMedia(${j(constraints)}) must fail with TypeError`));
[
{video: true, audio: true},
].forEach(constraints => promise_test(async t => {
const stream = await getDisplayMedia(constraints);
t.add_cleanup(() => stopTracks(stream));
assert_greater_than_equal(stream.getTracks().length, 1);
assert_less_than_equal(stream.getTracks().length, 2);
assert_equals(stream.getVideoTracks().length, 1);
assert_less_than_equal(stream.getAudioTracks().length, 1);
}, `getDisplayMedia(${j(constraints)}) must succeed with video maybe audio`));
[
{video: {width: {max: 360}}},
{video: {height: {max: 240}}},
{video: {width: {max: 360}, height: {max: 240}}},
{video: {frameRate: {max: 4}}},
{video: {frameRate: {max: 4}, width: {max: 360}}},
{video: {frameRate: {max: 4}, height: {max: 240}}},
{video: {frameRate: {max: 4}, width: {max: 360}, height: {max: 240}}},
].forEach(constraints => promise_test(async t => {
const stream = await getDisplayMedia(constraints);
t.add_cleanup(() => stopTracks(stream));
const {width, height, frameRate} = stream.getTracks()[0].getSettings();
assert_greater_than_equal(width, 1);
assert_greater_than_equal(height, 1);
assert_greater_than_equal(frameRate, 1);
if (constraints.width) {
assert_less_than_equal(width, constraints.width.max);
}
if (constraints.height) {
assert_less_than_equal(height, constraints.height.max);
}
if (constraints.frameRate) {
assert_less_than_equal(frameRate, constraints.frameRate.max);
}
}, `getDisplayMedia(${j(constraints)}) must be constrained`));
[
{video: {width: {max: 0}}},
{video: {height: {max: 0}}},
{video: {frameRate: {max: 0}}},
{video: {width: {max: -1}}},
{video: {height: {max: -1}}},
{video: {frameRate: {max: -1}}},
].forEach(constraints => promise_test(async t => {
try {
stopTracks(await getDisplayMedia(constraints));
} catch (err) {
assert_equals(err.name, 'OverconstrainedError', err.message);
return;
}
assert_unreached('getDisplayMedia should have failed');
}, `getDisplayMedia(${j(constraints)}) must fail with OverconstrainedError`));
// Content shell picks a fake desktop device by default.
promise_test(async t => {
const stream = await getDisplayMedia({video: true});
t.add_cleanup(() => stopTracks(stream));
assert_equals(stream.getVideoTracks().length, 1);
const track = stream.getVideoTracks()[0];
assert_equals(track.kind, "video");
assert_equals(track.enabled, true);
assert_equals(track.readyState, "live");
track.stop();
assert_equals(track.readyState, "ended");
}, 'getDisplayMedia() resolves with stream with video track');
promise_test(async t => {
const stream = await getDisplayMedia({video: true});
t.add_cleanup(() => stopTracks(stream));
const settings = stream.getVideoTracks()[0].getSettings();
assert_any(
assert_equals, settings.displaySurface,
['monitor', 'window', 'application', 'browser']);
assert_any(assert_equals, settings.logicalSurface, [true, false]);
assert_any(assert_equals, settings.cursor, ['never', 'always', 'motion']);
}, 'getDisplayMedia() with getSettings');
</script>
|
