<!DOCTYPE html>
<html class="reftest-wait">
<script>
var context = new window.OfflineAudioContext(1, 12001, 12000);

var source = context.createBufferSource();
source.buffer = context.createBuffer(1, 12000, context.sampleRate);
source.onended = function(e) {
  document.documentElement.removeAttribute("class");
}
source.connect(context.destination);
source.start(0);

context.startRendering();
</script>
