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<!doctype html>
<title>non-applicable constraint in getUserMedia</title>
<link rel="author" title="Intel" href="http://www.intel.com"/>
<link rel="help" href="https://w3c.github.io/mediacapture-main/#methods-5">
<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 src=permission-helper.js></script>
<p class="instructions">When prompted, accept to share your audio and video stream.</p>
<script>
let video_only_valid_constraints = {
width: {min: 0},
height: {min: 0},
frameRate: {min: 0},
aspectRatio: {min: 0},
facingMode: {ideal: 'environment'},
resizeMode: {ideal: 'none'}
}
let video_only_invalid_constraints = {
width: {min: 100000000},
height: {min: 100000000},
frameRate: {min: 100000000},
aspectRatio: {min: 100000000},
facingMode: {exact: 'invalid'},
resizeMode: {exact: 'invalid'}
}
let audio_only_valid_constraints = {
volume: {min: 0},
sampleRate: {min: 0},
sampleSize: {min: 0},
echoCancellation: {ideal: true},
autoGainControl: {ideal: true},
noiseSuppression: {ideal: true},
voiceIsolation: {ideal: true},
latency: {min: 0},
channelCount: {min: 0}
}
let audio_only_invalid_constraints = {
volume: {min: 2},
sampleRate: {min: 100000000},
sampleSize: {min: 100000000},
echoCancellation: {exact: true},
autoGainControl: {exact: true},
noiseSuppression: {exact: true},
voiceIsolation: {exact: true},
latency: {max: 0},
channelCount: {max: 0}
}
promise_test(async () => {
// Both permissions are needed at some point, asking for both at once
await setMediaPermission();
let stream = await navigator.mediaDevices.getUserMedia({audio: video_only_valid_constraints})
assert_equals(stream.getAudioTracks().length, 1, "the media stream has exactly one audio track");
}, 'Test that setting video-only valid constraints inside of "audio" is simply ignored');
promise_test(async () => {
let stream = await navigator.mediaDevices.getUserMedia({audio: video_only_invalid_constraints})
assert_equals(stream.getAudioTracks().length, 1, "the media stream has exactly one audio track");
}, 'Test that setting video-only invalid constraints inside of "audio" is simply ignored');
promise_test(async () => {
let stream = await navigator.mediaDevices.getUserMedia({video: audio_only_valid_constraints})
assert_equals(stream.getVideoTracks().length, 1, "the media stream has exactly one video track");
}, 'Test that setting audio-only valid constraints inside of "video" is simply ignored');
promise_test(async () => {
let stream = await navigator.mediaDevices.getUserMedia({video: audio_only_invalid_constraints})
assert_equals(stream.getVideoTracks().length, 1, "the media stream has exactly one video track");
}, 'Test that setting audio-only invalid constraints inside of "video" is simply ignored');
</script>
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