audionode.html - mozsearch

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webaudio/the-audio-api/the-audionode-interface/audionode.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>

      audionode.html

    </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>

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

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

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

      let audit = Audit.createTaskRunner();

      let context = 0;

      let context2 = 0;

      let context3 = 0;

      audit.define(

          {label: 'test', description: 'Basic tests for AudioNode API.'},

          function(task, should) {

            context = new AudioContext();

            window.audioNode = context.createBufferSource();

            // Check input and output numbers of AudioSourceNode.

            should(audioNode.numberOfInputs, 'AudioBufferSource.numberOfInputs')

                .beEqualTo(0);

            should(

                audioNode.numberOfOutputs, 'AudioBufferSource.numberOfOutputs')

                .beEqualTo(1);

            // Check input and output numbers of AudioDestinationNode

            should(

                context.destination.numberOfInputs,

                'AudioContext.destination.numberOfInputs')

                .beEqualTo(1);

            should(

                context.destination.numberOfOutputs,

                'AudioContext.destination.numberOfOutputs')

                .beEqualTo(1);

            // Try calling connect() method with illegal values.

            should(

                () => audioNode.connect(0, 0, 0), 'audioNode.connect(0, 0, 0)')

                .throw(TypeError);

            should(

                () => audioNode.connect(null, 0, 0),

                'audioNode.connect(null, 0, 0)')

                .throw(TypeError);

            should(

                () => audioNode.connect(context.destination, 5, 0),

                'audioNode.connect(context.destination, 5, 0)')

                .throw(DOMException, 'IndexSizeError');

            should(

                () => audioNode.connect(context.destination, 0, 5),

                'audioNode.connect(context.destination, 0, 5)')

                .throw(DOMException, 'IndexSizeError');

            should(

                () => audioNode.connect(context.destination, 0, 0),

                'audioNode.connect(context.destination, 0, 0)')

                .notThrow();

            // Create a new context and try to connect the other context's node

            // to this one.

            context2 = new AudioContext();

            should(

                () => window.audioNode.connect(context2.destination),

                'Connecting a node to a different context')

                .throw(DOMException, 'InvalidAccessError');

            // 3-arg AudioContext doesn't create an offline context anymore.

            should(

                () => context3 = new AudioContext(1, 44100, 44100),

                'context3 = new AudioContext(1, 44100, 44100)')

                .throw(TypeError);

            // Ensure it is an EventTarget

            should(

                audioNode instanceof EventTarget, 'AudioNode is an EventTarget')

                .beTrue();

            task.done();

});

      audit.run();

    </script>

  </body>

</html>