test_peerConnection_basicAudioNATRelayTCP.html

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  <script type="application/javascript" src="pc.js"></script>

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<pre id="test">

<script type="application/javascript">

createHTML({

  bug: "1231975",

  title: "Basic audio-only peer connection with port dependent NAT that blocks UDP"

});

// This test uses the NAT simulator, which doesn't work in https, so we turn

// on getUserMedia in http, which requires a reload.

if (!("mediaDevices" in navigator)) {

  SpecialPowers.pushPrefEnv({set: [['media.devices.insecure.enabled', true]]},

                            () => location.reload());

} else {

  runNetworkTest(async (options = {}) => {

    await pushPrefs(

        ['media.peerconnection.ice.obfuscate_host_addresses', false],

        ['media.peerconnection.nat_simulator.filtering_type', 'PORT_DEPENDENT'],

        ['media.peerconnection.nat_simulator.mapping_type', 'PORT_DEPENDENT'],

        ['media.peerconnection.nat_simulator.block_udp', true],

        ['media.peerconnection.nat_simulator.block_tcp', false],

        ['media.peerconnection.nat_simulator.block_tls', true],

        ['media.peerconnection.ice.loopback', true],

        // The above sets up 5+ ICE servers which triggers a warning

        ['media.peerconnection.treat_warnings_as_errors', false],

        ['media.getusermedia.insecure.enabled', true]);

    options.expectedLocalCandidateType = "relay-tcp";

    options.expectedRemoteCandidateType = "relay-tcp";

    // No reason to wait for gathering to complete like the other NAT tests,

    // since relayed-tcp is the only thing that can work.

    const test = new PeerConnectionTest(options);

    test.setMediaConstraints([{audio: true}], [{audio: true}]);

    await test.run();

  }, { useIceServer: true });

</script>

</pre>

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