audioworkletglobalscope-timing-info.https.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-audioworklet-interface/audioworkletglobalscope-timing-info.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>

      Test currentTime and currentFrame in AudioWorkletGlobalScope

    </title>

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

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

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

  </head>

  <body>

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

      let audit = Audit.createTaskRunner();

      setup(() => {

        let sampleRate = 48000;

        let renderLength = 512;

        let context = new OfflineAudioContext(1, renderLength, sampleRate);

        let filePath = 'processors/timing-info-processor.js';

        audit.define(

            'Check the timing information from AudioWorkletProcessor',

            (task, should) => {

              let portWorkletNode =

                  new AudioWorkletNode(context, 'timing-info-processor');

              portWorkletNode.connect(context.destination);

              // Suspend at render quantum boundary and check the timing

              // information between the main thread and the rendering thread.

              [0, 128, 256, 384].map((suspendFrame) => {

                context.suspend(suspendFrame/sampleRate).then(() => {

                  portWorkletNode.port.onmessage = (event) => {

                    should(event.data.currentFrame,

                           'currentFrame from the processor at ' + suspendFrame)

                        .beEqualTo(suspendFrame);

                    should(event.data.currentTime,

                           'currentTime from the processor at '

                               + context.currentTime)

                        .beEqualTo(context.currentTime);

                    context.resume();

};

                  portWorkletNode.port.postMessage('query-timing-info');

});

});

              context.startRendering().then(() => {

                task.done();

});

});

        context.audioWorklet.addModule(filePath).then(() => {

          audit.run();

});

});

    </script>

  </body>

</html>