LayoutTests/webaudio/web-audio-is-playing.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4     <script src="../resources/js-test-pre.js"></script>
   5 </head>
   6 <body>
   7     <script>
   8         description("Testing Page::isPlayingAudio() with web audio");
   9
  10         jsTestIsAsync = true;
  11
  12         if (window.internals)
  13             shouldBeFalse("window.internals.pageMediaState().includes('IsPlayingAudio')");
  14
  15         var context = new webkitAudioContext();
  16         var frequency = 300;
  17         var oscillator = context.createOscillator();
  18
  19         if (window.internals)
  20             shouldBeFalse("window.internals.pageMediaState().includes('IsPlayingAudio')");
  21
  22         oscillator.frequency.value = frequency;
  23         oscillator.type = 0;
  24         oscillator.connect(context.destination);
  25         oscillator.start(0);
  26
  27         shouldBecomeEqual("window.internals.pageMediaState().includes('IsPlayingAudio')", "true", finishJSTest);
  28     </script>
  29     <script src="../resources/js-test-post.js"></script>
  30 </body>
  31 </html>