GUM-echoCancellation-all.https.html

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<!doctype html>

<title>getUserMedia echoCancellation remote-only</title>

<p class="instructions">When prompted, accept to share your audio stream.</p>

<meta name=timeout content=long>

<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>

<script>

  'use strict'

  // https://w3c.github.io/mediacapture-main/#dom-echocancellationmodeenum-all

  promise_test(async t => {

    await setMediaPermission("granted", ["microphone"]);

    const stream = await navigator.mediaDevices.getUserMedia({

      video: false,

      audio: {echoCancellation: {exact: "all"}},

});

    const track = stream.getAudioTracks()[0];

    t.add_cleanup(() => track.stop());

    const settings = track.getSettings();

    assert_equals(settings.echoCancellation, "all");

  }, 'getUserMedia suports "all"');

</script>