chromium/third_party/blink/web_tests/external/wpt/webaudio/the-audio-api/the-mediastreamaudiodestinationnode-interface/ctor-mediastreamaudiodestination.html

<!DOCTYPE html>
<html>
  <head>
    <title>
      Test Constructor: MediaStreamAudioDestinationNode
    </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>
    <script src="/webaudio/resources/audionodeoptions.js"></script>
  </head>
  <body>
    <script id="layout-test-code">
      let context = new AudioContext();

      let audit = Audit.createTaskRunner();

      audit.define('initialize', (task, should) => {
        // Need AudioContext, not OfflineAudioContext, for these tests.
        should(() => {
          context = new AudioContext();
        }, 'context = new AudioContext()').notThrow();
        task.done();
      });

      audit.define('invalid constructor', (task, should) => {
        testInvalidConstructor(
            should, 'MediaStreamAudioDestinationNode', context);
        task.done();
      });

      audit.define('default constructor', (task, should) => {
        let prefix = 'node0';
        let node = testDefaultConstructor(
            should, 'MediaStreamAudioDestinationNode', context, {
              prefix: prefix,
              numberOfInputs: 1,
              numberOfOutputs: 0,
              channelCount: 2,
              channelCountMode: 'explicit',
              channelInterpretation: 'speakers'
            });

        testDefaultAttributes(should, node, prefix, []);

        task.done();
      });

      audit.define('test AudioNodeOptions', (task, should) => {
        testAudioNodeOptions(
            should, context, 'MediaStreamAudioDestinationNode', {
              channelCount: {
                // An arbitrary but valid, non-default count for this node.
                value: 7
              }
            });
        task.done();
      });

      audit.run();
    </script>
  </body>
</html>