| <!doctype html> |
| <title>MediaStreamTrack GetCapabilities</title> |
| <p class="instructions">This test checks for the presence of audio and video properties in |
| <code>MediaStreamTrack.getCapabilities()</code> method.</p> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script> |
| promise_test(() => { |
| return navigator.mediaDevices.getUserMedia({audio: true, video: true}) |
| .then(stream => { |
| var audioCapabilities = stream.getAudioTracks()[0].getCapabilities(); |
| var videoCapabilities = stream.getVideoTracks()[0].getCapabilities(); |
| assert_true(undefined !== audioCapabilities.deviceId, "MediaTrackCapabilities's deviceId should exist for an audio track."); |
| assert_true(undefined !== audioCapabilities.echoCancellation, "MediaTrackCapabilities's echoCancellation should exist for an audio track."); |
| assert_true(undefined !== videoCapabilities.deviceId, "MediaTrackCapabilities's deviceId should exist for a video track."); |
| }); |
| }); |
| </script> |
