audiobuffersource-one-sample-loop.html

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This WPT test may be referenced by the following Test IDs:
- /webaudio/the-audio-api/the-audiobuffersourcenode-interface/audiobuffersource-one-sample-loop.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>

      Test AudioBufferSourceNode With Looping a Single-Sample Buffer

    </title>

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

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

    <script src="/webaudio/resources/audit-util.js"></script>

    <script src="/webaudio/resources/audit.js"></script>

  </head>

  <body>

    <script id="layout-test-code">

      let audit = Audit.createTaskRunner();

      let sampleRate = 44100;

      let testDurationSamples = 1000;

      audit.define('one-sample-loop', function(task, should) {

        // Create the offline context for the test.

        let context =

            new OfflineAudioContext(1, testDurationSamples, sampleRate);

        // Create the single sample buffer

        let buffer = createConstantBuffer(context, 1, 1);

        // Create the source and connect it to the destination

        let source = context.createBufferSource();

        source.buffer = buffer;

        source.loop = true;

        source.connect(context.destination);

        source.start();

        // Render it!

        context.startRendering()

            .then(function(audioBuffer) {

              should(audioBuffer.getChannelData(0), 'Rendered data')

                  .beConstantValueOf(1);

})

            .then(task.done.bind(task));

});

      audit.run();

    </script>

  </body>

</html>