src/third_party/WebKit/LayoutTests/webaudio/javascriptaudionode-zero-input-channels.html

   1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
   2 <html>
   3 <head>
   4 <script src="resources/audio-testing.js"></script>
   5 <script src="../resources/js-test.js"></script>
   6 </head>
   7
   8 <body>
   9 <div id="description"></div>
  10 <div id="console"></div>
  11
  12 <script>
  13 description("Tests that JavaScriptAudioNode accepts 0 input channels.");
  14
  15 var sampleRate = 44100.0;
  16 var renderLengthInFrames = 512;
  17 var bufferSize = 512;
  18
  19 function checkResult(e)
  20 {
  21     testPassed("JavaScriptAudioNode accepts 0 input channels.");
  22
  23     finishJSTest();
  24 }
  25
  26 function runTest()
  27 {
  28     if (window.testRunner) {
  29         testRunner.dumpAsText();
  30         testRunner.waitUntilDone();
  31     }
  32
  33     window.jsTestIsAsync = true;
  34
  35     var context = new webkitOfflineAudioContext(1, renderLengthInFrames, sampleRate);
  36
  37     var node;
  38
  39     try {
  40         node = context.createJavaScriptNode(bufferSize, 0, 1);
  41         testPassed("Successfully created JavaScriptAudioNode.");
  42     } catch (e) {
  43         testFailed("Failed to create JavaScriptAudioNode.");
  44     }
  45
  46     var source = context.createBufferSource();
  47     source.buffer = createImpulseBuffer(context, bufferSize);
  48
  49     // The onaudioprocess function doesn't need to do anything.  We just need the process to start
  50     // to test that implementation accepts 0 input channels.
  51     //
  52     // FIXME: check the .inputBuffer attribute of the AudioProcessingEvent.
  53     node.onaudioprocess = function(e) { };
  54     source.connect(node);
  55     node.connect(context.destination);
  56     source.noteOn(0);
  57
  58     context.oncomplete = checkResult;
  59     context.startRendering();
  60 }
  61
  62 runTest();
  63 successfullyParsed = true;
  64 </script>
  65
  66 </body>
  67 </html>