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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: 7f3f3847e626a9c2baee64aa15ee2cc74fc7a60c authored by Fredrik Söderquist on 13 December 2018, 14:54:19 UTC
Regression test for crbug.com/626744
Tip revision: 7f3f384
GUM-non-applicable-constraint.https.html 
<!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>

<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},
  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},
  latency: {max: 0},
  channelCount: {max: 0}
}

promise_test(async () => {
  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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