src/third_party/WebKit/LayoutTests/webaudio/delaynode-max-nondefault-delay.html

   1 <!DOCTYPE html>
   2
   3 <html>
   4 <head>
   5 <script src="../resources/js-test.js"></script>
   6 <script src="resources/audio-testing.js"></script>
   7 <script src="resources/delay-testing.js"></script>
   8 </head>
   9
  10 <body>
  11
  12 <div id="description"></div>
  13 <div id="console"></div>
  14
  15 <script>
  16 description("Tests DelayNode with delay set to non-default maximum delay.");
  17
  18 function runTest() {
  19     if (window.testRunner) {
  20         testRunner.dumpAsText();
  21         testRunner.waitUntilDone();
  22     }
  23
  24     window.jsTestIsAsync = true;
  25
  26     // Create offline audio context.
  27     var context = new webkitOfflineAudioContext(1, sampleRate * renderLengthSeconds, sampleRate);
  28     var toneBuffer = createToneBuffer(context, 20, 20 * toneLengthSeconds, sampleRate); // 20Hz tone
  29
  30     var bufferSource = context.createBufferSource();
  31     bufferSource.buffer = toneBuffer;
  32
  33     var maxDelay = 1.5;
  34     var delay = context.createDelay(maxDelay);
  35     delayTimeSeconds = maxDelay;
  36     delay.delayTime.value = delayTimeSeconds;
  37
  38     bufferSource.connect(delay);
  39     delay.connect(context.destination);
  40     bufferSource.start(0);
  41
  42     context.oncomplete = checkDelayedResult(toneBuffer);
  43     context.startRendering();
  44 }
  45
  46 runTest();
  47
  48 </script>
  49
  50 </body>
  51 </html>