| <script> | |
| if (window.testRunner) | |
| testRunner.dumpAsText(); | |
| internals.useMockRTCPeerConnectionFactory(''); | |
| let track = new AudioContext().createMediaStreamDestination().stream.getAudioTracks()[0]; | |
| new RTCPeerConnection().addTrack(track).dtmf; | |
| </script> | |
| <body>This test passes if it doesn't crash.</body> |