audioworkletnode-construction.https.html

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This WPT test may be referenced by the following Test IDs:
- /webaudio/the-audio-api/the-audioworklet-interface/audioworkletnode-construction.https.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>

      Test the construction of AudioWorkletNode with real-time context

    </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();

      let realtimeContext = new AudioContext();

      let filePath = 'processors/dummy-processor.js';

      // Test if an exception is thrown correctly when AWN constructor is

      // invoked before resolving |.addModule()| promise.

      audit.define(

          {label: 'construction-before-module-loading'},

          (task, should) => {

            should(() => new AudioWorkletNode(realtimeContext, 'dummy'),

                   'Creating a node before loading a module should throw.')

                .throw(DOMException, 'InvalidStateError');

            task.done();

});

      // Test the construction of AudioWorkletNode after the resolution of

      // |.addModule()|. Also the constructor must throw an exception when

      // a unregistered node name was given.

      audit.define(

          {label: 'construction-after-module-loading'},

          (task, should) => {

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

              let dummyWorkletNode =

                  new AudioWorkletNode(realtimeContext, 'dummy');

              should(dummyWorkletNode instanceof AudioWorkletNode,

                     '"dummyWorkletNode" is an instance of AudioWorkletNode')

                  .beTrue();

              should(() => new AudioWorkletNode(realtimeContext, 'foobar'),

                     'Unregistered name "foobar" must throw an exception.')

                  .throw();

              task.done();

});

});

      audit.run();

    </script>

  </body>

</html>