<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <script src="resources/compatibility.js"></script>
    <script src="resources/audio-testing.js"></script>
    <script src="resources/note-grain-on-testing.js"></script>
    <script src="../resources/js-test.js"></script>
  </head>

  <body>
    <div id="description"></div>
    <div id="console"></div>

    <script>
      description("Test timing of noteGrainOn.");

      var squarePulseBuffer;

      function checkResult(event) {
          var buffer = event.renderedBuffer;
          renderedData = buffer.getChannelData(0);
          var nSamples = renderedData.length;

          var success = true;
      
          var startEndFrames = findStartAndEndSamples(renderedData);

          success = success && verifyStartAndEndFrames(startEndFrames);

          if (success) {
              testPassed("noteGrainOn timing tests passed.");
          } else {
              testFailed("noteGrainOn timing tests failed.");
          }

          finishJSTest();
      }

      function runTest() {
          if (window.testRunner) {
              testRunner.dumpAsText();
              testRunner.waitUntilDone();
          }

          window.jsTestIsAsync = true;

          // Create offline audio context.
          context = new OfflineAudioContext(2, sampleRate * renderTime, sampleRate);

          squarePulseBuffer = createSignalBuffer(context, function (k) { return 1 });    

          playAllGrains(context, squarePulseBuffer, numberOfTests);

          context.oncomplete = checkResult;
          context.startRendering();
      }
      
      runTest();
      successfullyParsed = true;

    </script>

  </body>
</html>