audionode.html - mozsearch

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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-audionode-interface/audionode.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>

      AudioNode: Basic Interface Tests

    </title>

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

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

  </head>

  <body>

    <script>

      test(() => {

        let context = new AudioContext();

        let audioNode = new AudioBufferSourceNode(context);

        // Check input and output numbers of AudioSourceNode.

        assert_equals(

            audioNode.numberOfInputs, 0,

            'AudioBufferSource.numberOfInputs');

        assert_equals(

            audioNode.numberOfOutputs, 1,

            'AudioBufferSource.numberOfOutputs');

        // Check input and output numbers of AudioDestinationNode

        assert_equals(

            context.destination.numberOfInputs, 1,

            'AudioContext.destination.numberOfInputs');

        assert_equals(

            context.destination.numberOfOutputs, 1,

            'AudioContext.destination.numberOfOutputs');

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

        assert_throws_js(

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

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

        assert_throws_js(

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

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

        assert_throws_dom(

            'IndexSizeError',

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

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

        assert_throws_dom(

            'IndexSizeError',

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

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

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

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

        // to this one.

        let context2 = new AudioContext();

        assert_throws_dom(

            'InvalidAccessError',

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

            'Connecting a node to a different context');

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

        assert_throws_js(

            TypeError,

            () => {let context3 = new AudioContext(1, 44100, 44100);},

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

        // Ensure it is an EventTarget

        assert_true(

            audioNode instanceof EventTarget,

            'AudioNode is an EventTarget');

      }, 'Basic tests for AudioNode API.');

    </script>

  </body>

</html>