third_party/WebKit/LayoutTests/webaudio/mediaelementaudiosourcenode.html

   1 <!DOCTYPE html>
   2
   3 <html>
   4 <head>
   5 <script src="../resources/js-test.js"></script>
   6 <script src="resources/compatibility.js"></script>
   7 <script src="resources/audio-testing.js"></script>
   8 </head>
   9
  10 <body>
  11 <div id="description"></div>
  12 <div id="console"></div>
  13
  14 <script>
  15 description("Basic tests for MediaElementAudioSourceNode API.");
  16
  17 var context = 0;
  18 var audioElement = 0;
  19 var audioNode = 0;
  20
  21 function runTest() {
  22     window.jsTestIsAsync = true;
  23
  24     context = new AudioContext();
  25
  26     audioElement = new Audio();
  27     mediaSource = context.createMediaElementSource(audioElement);
  28     audioNode = mediaSource;
  29
  30     // Check number of inputs and outputs.
  31     shouldBeEqualToNumber("audioNode.numberOfInputs", 0);
  32     shouldBeEqualToNumber("audioNode.numberOfOutputs", 1);
  33
  34     // Try calling connect() method with illegal values: illegal destination, illegal output index,
  35     // and illegal input index.
  36     shouldThrow("audioNode.connect(0, 0, 0)");
  37     shouldThrow("audioNode.connect(context.destination, 5, 0)");
  38     shouldThrow("audioNode.connect(context.destination, 0, 5)");
  39
  40     // Try calling connect() with proper values.
  41     shouldNotThrow("audioNode.connect(context.destination, 0, 0)");
  42
  43     // Try creating another MediaElementAudioSourceNode using the same audio element.
  44     shouldThrow("context.createMediaElementSource(audioElement)");
  45
  46     finishJSTest();
  47 }
  48
  49 runTest();
  50
  51 </script>
  52
  53 </body>
  54 </html>