third_party/WebKit/LayoutTests/webaudio/gain-basic.html

   1 <!DOCTYPE html>
   2
   3 <!--
   4 Verifies GainNode attributes and their type.
   5 -->
   6
   7 <html>
   8 <head>
   9 <script src="../resources/js-test.js"></script>
  10 <script src="resources/compatibility.js"></script>
  11 <script type="text/javascript" src="resources/audio-testing.js"></script>
  12
  13 </head>
  14 <body>
  15
  16 <script>
  17 description("Tests GainNode attributes in IDL.");
  18
  19 function runTest() {
  20     if (window.testRunner) {
  21         testRunner.dumpAsText();
  22     }
  23
  24     // Create audio context.
  25     var context = new AudioContext();
  26
  27     // Create gain node.
  28     var gainNode = context.createGain();
  29
  30     if (gainNode.gain.toString().indexOf("AudioParam") > -1)
  31         testPassed("gain is of AudioParam type.");
  32     else
  33         testFailed("gain is not of AudioParam type.");
  34 }
  35
  36 runTest();
  37 </script>
  38
  39 </body>
  40 </html>