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<!DOCTYPE html>
<html>
  <head>
    <title>
      Test Constructor: ChannelMerger
    </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;

      let audit = Audit.createTaskRunner();

      audit.define('initialize', (task, should) => {
        context = initializeContext(should);
        task.done();
      });

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

      audit.define('default constructor', (task, should) => {
        let prefix = 'node0';
        let node =
            testDefaultConstructor(should, 'ChannelMergerNode', context, {
              prefix: prefix,
              numberOfInputs: 6,
              numberOfOutputs: 1,
              channelCount: 1,
              channelCountMode: 'explicit',
              channelInterpretation: 'speakers'
            });

        task.done();
      });

      audit.define('test AudioNodeOptions', (task, should) => {
        testAudioNodeOptions(should, context, 'ChannelMergerNode', {
          channelCount: {
            value: 1,
            isFixed: true,
            exceptionType: 'InvalidStateError'
          },
          channelCountMode: {
            value: 'explicit',
            isFixed: true,
            exceptionType: 'InvalidStateError'
          }
        });
        task.done();
      });

      audit.define('constructor options', (task, should) => {
        let node;
        let options = {
          numberOfInputs: 3,
          numberOfOutputs: 9,
          channelInterpretation: 'discrete'
        };

        should(
            () => {
              node = new ChannelMergerNode(context, options);
            },
            'node1 = new ChannelMergerNode(context, ' +
                JSON.stringify(options) + ')')
            .notThrow();

        should(node.numberOfInputs, 'node1.numberOfInputs')
            .beEqualTo(options.numberOfInputs);
        should(node.numberOfOutputs, 'node1.numberOfOutputs').beEqualTo(1);
        should(node.channelInterpretation, 'node1.channelInterpretation')
            .beEqualTo(options.channelInterpretation);

        options = {numberOfInputs: 99};
        should(
            () => {
              node = new ChannelMergerNode(context, options);
            },
            'new ChannelMergerNode(c, ' + JSON.stringify(options) + ')')
            .throw(DOMException, 'IndexSizeError');

        options = {channelCount: 3};
        should(
            () => {
              node = new ChannelMergerNode(context, options);
            },
            'new ChannelMergerNode(c, ' + JSON.stringify(options) + ')')
            .throw(DOMException, 'InvalidStateError');

        options = {channelCountMode: 'max'};
        should(
            () => {
              node = new ChannelMergerNode(context, options);
            },
            'new ChannelMergerNode(c, ' + JSON.stringify(options) + ')')
            .throw(DOMException, 'InvalidStateError');

        task.done();
      });

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