Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
            
- /mediacapture-streams/GUM-non-applicable-constraint.https.html - WPT Dashboard Interop Dashboard
 
 
<!doctype html>
<title>non-applicable constraint in getUserMedia</title>
<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>