LayoutTests/webaudio/base-audio-context-wrapper-gc.html

<script src="../resources/js-test.js"></script>
<script>
  description("This test passes if it does not crash.");

  debug("* OfflineAudioContext");
  let constantSourceNode1 = new ConstantSourceNode(new OfflineAudioContext({
    length: 128,
    sampleRate: 44100
  }));
  gc();
  shouldBe("constantSourceNode1.context.sampleRate", "44100"); // On BaseAudioContext.
  gc();
  shouldBe("constantSourceNode1.context.length", "128"); // On OfflineAudioContext.

  debug("");
  debug("* AudioContext");
  let constantSourceNode2 = new ConstantSourceNode(new AudioContext({
    sampleRate: 44100
  }));
  gc();
  shouldBe("constantSourceNode2.context.sampleRate", "44100"); // On BaseAudioContext.
  gc();
  shouldBeTrue("constantSourceNode2.context.baseLatency > 0"); // On AudioContext.
</script>