third_party/WebKit/LayoutTests/http/tests/security/media-element-audio-source-node-cross-origin.html

   1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
   2 <html>
   3   <head>
   4     <script src="resources/webaudio/compatibility.js"></script>
   5     <script src="resources/webaudio/media-element-audio-source-node-test.js"></script>
   6     <script src="/js-test-resources/js-test.js"></script>
   7   </head>
   8
   9   <body>
  10     <div id="description"></div>
  11     <div id="console"></div>
  12
  13     <script>
  14       description("MediaElementAudioSourceNode with cross-origin source");
  15
  16       var src = "http://localhost:8000/security/resources/webaudio/laughter.wav";
  17       var data;
  18
  19       function checkResult (e) {
  20         data = e.renderedBuffer.getChannelData(0);
  21         var count = 0;
  22
  23         // Count the number of non-zero values. Since this is a cross-origin source, all the values
  24         // should be zero.
  25         for (var k = 0; k < data.length; ++k) {
  26             if (data[k] != 0) {
  27                 ++count;
  28             }
  29         }
  30         if (count > 0) {
  31             testFailed("Expected all zeros but found " + count + " non-zero values out of " + data.length + ".");
  32         } else {
  33             testPassed("All samples correctly zeroed.");
  34         }
  35       }
  36
  37       runTest(src, checkResult);
  38
  39     </script>
  40   </body>
  41 </html>