test-analyser-output.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webaudio/the-audio-api/the-analysernode-interface/test-analyser-output.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

  <meta charset="utf-8">

  <title>AnalyserNode output</title>

  <meta name="timeout" content="long">

  <script src="/resources/testharness.js"></script>

  <script src="/resources/testharnessreport.js"></script>

  <script src="/webaudio/js/helpers.js"></script>

  <script>

setup({ single_test: true });

var gTest = {

  length: 2048,

  numberOfChannels: 1,

  createGraph: function(context) {

    var source = context.createBufferSource();

    var analyser = context.createAnalyser();

    source.buffer = this.buffer;

    source.connect(analyser);

    source.start(0);

    return analyser;

},

  createExpectedBuffers: function(context) {

    this.buffer = context.createBuffer(1, 2048, context.sampleRate);

    for (var i = 0; i < 2048; ++i) {

      this.buffer.getChannelData(0)[i] = Math.sin(

        440 * 2 * Math.PI * i / context.sampleRate

);

    return [this.buffer];

};

runTest("AnalyserNode output");

  </script>

</head>

</body>

</html>