<!DOCTYPE html>
<html>
  <head>
    <title>
      Test Constructor: Panner
    </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, 'PannerNode', context);
        task.done();
      });

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

        testDefaultAttributes(should, node, prefix, [
          {name: 'panningModel', value: 'equalpower'},
          {name: 'positionX', value: 0}, {name: 'positionY', value: 0},
          {name: 'positionZ', value: 0}, {name: 'orientationX', value: 1},
          {name: 'orientationY', value: 0}, {name: 'orientationZ', value: 0},
          {name: 'distanceModel', value: 'inverse'},
          {name: 'refDistance', value: 1}, {name: 'maxDistance', value: 10000},
          {name: 'rolloffFactor', value: 1},
          {name: 'coneInnerAngle', value: 360},
          {name: 'coneOuterAngle', value: 360},
          {name: 'coneOuterGain', value: 0}
        ]);

        // Test the listener too, while we're at it.
        let listenerAttributes = [
          {name: 'positionX', value: 0},
          {name: 'positionY', value: 0},
          {name: 'positionZ', value: 0},
          {name: 'forwardX', value: 0},
          {name: 'forwardY', value: 0},
          {name: 'forwardZ', value: -1},
          {name: 'upX', value: 0},
          {name: 'upY', value: 1},
          {name: 'upZ', value: 0},
        ];

        listenerAttributes.forEach((item) => {
          should(
              context.listener[item.name].value,
              'context.listener.' + item.name + '.value')
              .beEqualTo(item.value);
        });

        task.done();
      });

      audit.define('test AudioNodeOptions', (task, should) => {
        // Can't use testAudioNodeOptions because the constraints for this node
        // are not supported there.
        let node;
        let success = true;

        // Test that we can set the channel count to 1 or 2.
        let options = {channelCount: 1};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node1 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.channelCount, 'node1.channelCount')
            .beEqualTo(options.channelCount);

        options = {channelCount: 2};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node2 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.channelCount, 'node2.channelCount')
            .beEqualTo(options.channelCount);

        // Test that other channel counts throw an error
        options = {channelCount: 0};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'new PannerNode(c, ' + JSON.stringify(options) + ')')
            .throw(DOMException, 'NotSupportedError');
        should(
            () => {
              node = new PannerNode(context);
              node.channelCount = options.channelCount;
            },
            `node.channelCount = ${options.channelCount}`)
            .throw(DOMException, "NotSupportedError");
        should(node.channelCount,
               `node.channelCount after setting to ${options.channelCount}`)
            .beEqualTo(2);

        options = {channelCount: 3};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'new PannerNode(c, ' + JSON.stringify(options) + ')')
            .throw(DOMException, 'NotSupportedError');
        should(
            () => {
              node = new PannerNode(context);
              node.channelCount = options.channelCount;
            },
            `node.channelCount = ${options.channelCount}`)
            .throw(DOMException, "NotSupportedError");
        should(node.channelCount,
               `node.channelCount after setting to ${options.channelCount}`)
            .beEqualTo(2);

        options = {channelCount: 99};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'new PannerNode(c, ' + JSON.stringify(options) + ')')
            .throw(DOMException, 'NotSupportedError');
        should(
            () => {
              node = new PannerNode(context);
              node.channelCount = options.channelCount;
            },
            `node.channelCount = ${options.channelCount}`)
            .throw(DOMException, "NotSupportedError");
        should(node.channelCount,
               `node.channelCount after setting to ${options.channelCount}`)
            .beEqualTo(2);

        // Test channelCountMode.  A mode of "max" is illegal, but others are
        // ok.
        options = {channelCountMode: 'clamped-max'};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node3 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.channelCountMode, 'node3.channelCountMode')
            .beEqualTo(options.channelCountMode);

        options = {channelCountMode: 'explicit'};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node4 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.channelCountMode, 'node4.channelCountMode')
            .beEqualTo(options.channelCountMode);

        options = {channelCountMode: 'max'};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'new PannerNode(c, ' + JSON.stringify(options) + ')')
            .throw(DOMException, 'NotSupportedError');
        should(
            () => {
              node = new PannerNode(context);
              node.channelCountMode = options.channelCountMode;
            },
            `node.channelCountMode = ${options.channelCountMode}`)
            .throw(DOMException, "NotSupportedError");
        should(node.channelCountMode,
               `node.channelCountMode after setting to ${options.channelCountMode}`)
            .beEqualTo("clamped-max");

        options = {channelCountMode: 'foobar'};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'new PannerNode(c, " + JSON.stringify(options) + ")')
            .throw(TypeError);
        should(
            () => {
              node = new PannerNode(context);
              node.channelCountMode = options.channelCountMode;
            },
            `node.channelCountMode = ${options.channelCountMode}`)
            .notThrow(); // Invalid assignment to enum-valued attrs does not throw.
        should(node.channelCountMode,
               `node.channelCountMode after setting to ${options.channelCountMode}`)
            .beEqualTo("clamped-max");

        // Test channelInterpretation.
        options = {channelInterpretation: 'speakers'};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node5 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.channelInterpretation, 'node5.channelInterpretation')
            .beEqualTo(options.channelInterpretation);

        options = {channelInterpretation: 'discrete'};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node6 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.channelInterpretation, 'node6.channelInterpretation')
            .beEqualTo(options.channelInterpretation);

        options = {channelInterpretation: 'foobar'};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'new PannerNode(c, ' + JSON.stringify(options) + ')')
            .throw(TypeError);

        // Test maxDistance
        options = {maxDistance: -1};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'new PannerNode(c, ' + JSON.stringify(options) + ')')
            .throw(RangeError);
        should(
            () => {
              node = new PannerNode(context);
              node.maxDistance = options.maxDistance;
            },
            `node.maxDistance = ${options.maxDistance}`)
            .throw(RangeError);
        should(node.maxDistance,
               `node.maxDistance after setting to ${options.maxDistance}`)
            .beEqualTo(10000);

        options = {maxDistance: 100};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node7 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.maxDistance, 'node7.maxDistance')
            .beEqualTo(options.maxDistance);

        // Test rolloffFactor
        options = {rolloffFactor: -1};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'new PannerNode(c, ' + JSON.stringify(options) + ')')
            .throw(RangeError);
        should(
            () => {
              node = new PannerNode(context);
              node.rolloffFactor = options.rolloffFactor;
            },
            `node.rolloffFactor = ${options.rolloffFactor}`)
            .throw(RangeError);
        should(node.rolloffFactor,
               `node.rolloffFactor after setting to ${options.rolloffFactor}`)
            .beEqualTo(1);

        options = {rolloffFactor: 0};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node8 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.rolloffFactor, 'node8.rolloffFactor')
            .beEqualTo(options.rolloffFactor);

        options = {rolloffFactor: 0.5};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node8 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.rolloffFactor, 'node8.rolloffFactor')
            .beEqualTo(options.rolloffFactor);

        options = {rolloffFactor: 100};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node8 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.rolloffFactor, 'node8.rolloffFactor')
            .beEqualTo(options.rolloffFactor);

        // Test coneOuterGain
        options = {coneOuterGain: -1};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'new PannerNode(c, ' + JSON.stringify(options) + ')')
            .throw(DOMException, 'InvalidStateError');
        should(
            () => {
              node = new PannerNode(context);
              node.coneOuterGain = options.coneOuterGain;
            },
            `node.coneOuterGain = ${options.coneOuterGain}`)
            .throw(DOMException, 'InvalidStateError');
        should(node.coneOuterGain,
               `node.coneOuterGain after setting to ${options.coneOuterGain}`)
            .beEqualTo(0);

        options = {coneOuterGain: 1.1};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'new PannerNode(c, ' + JSON.stringify(options) + ')')
            .throw(DOMException, 'InvalidStateError');
        should(
            () => {
              node = new PannerNode(context);
              node.coneOuterGain = options.coneOuterGain;
            },
            `node.coneOuterGain = ${options.coneOuterGain}`)
            .throw(DOMException, 'InvalidStateError');
        should(node.coneOuterGain,
               `node.coneOuterGain after setting to ${options.coneOuterGain}`)
            .beEqualTo(0);

        options = {coneOuterGain: 0.0};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node9 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.coneOuterGain, 'node9.coneOuterGain')
            .beEqualTo(options.coneOuterGain);
        options = {coneOuterGain: 0.5};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node9 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.coneOuterGain, 'node9.coneOuterGain')
            .beEqualTo(options.coneOuterGain);

        options = {coneOuterGain: 1.0};
        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node9 = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node.coneOuterGain, 'node9.coneOuterGain')
            .beEqualTo(options.coneOuterGain);

        task.done();
      });

      audit.define('constructor with options', (task, should) => {
        let node;
        let success = true;
        let options = {
          panningModel: 'HRTF',
          // We use full double float values here to verify also that the actual
          // AudioParam value is properly rounded to a float.  The actual value
          // is immaterial as long as x != Math.fround(x).
          positionX: Math.SQRT2,
          positionY: 2 * Math.SQRT2,
          positionZ: 3 * Math.SQRT2,
          orientationX: -Math.SQRT2,
          orientationY: -2 * Math.SQRT2,
          orientationZ: -3 * Math.SQRT2,
          distanceModel: 'linear',
          // We use full double float values here to verify also that the actual
          // attribute is a double float.  The actual value is immaterial as
          // long as x != Math.fround(x).
          refDistance: Math.PI,
          maxDistance: 2 * Math.PI,
          rolloffFactor: 3 * Math.PI,
          coneInnerAngle: 4 * Math.PI,
          coneOuterAngle: 5 * Math.PI,
          coneOuterGain: 0.1 * Math.PI
        };

        should(
            () => {
              node = new PannerNode(context, options);
            },
            'node = new PannerNode(c, ' + JSON.stringify(options) + ')')
            .notThrow();
        should(node instanceof PannerNode, 'node instanceof PannerNode')
            .beEqualTo(true);

        should(node.panningModel, 'node.panningModel')
            .beEqualTo(options.panningModel);
        should(node.positionX.value, 'node.positionX.value')
            .beEqualTo(Math.fround(options.positionX));
        should(node.positionY.value, 'node.positionY.value')
            .beEqualTo(Math.fround(options.positionY));
        should(node.positionZ.value, 'node.positionZ.value')
            .beEqualTo(Math.fround(options.positionZ));
        should(node.orientationX.value, 'node.orientationX.value')
            .beEqualTo(Math.fround(options.orientationX));
        should(node.orientationY.value, 'node.orientationY.value')
            .beEqualTo(Math.fround(options.orientationY));
        should(node.orientationZ.value, 'node.orientationZ.value')
            .beEqualTo(Math.fround(options.orientationZ));
        should(node.distanceModel, 'node.distanceModel')
            .beEqualTo(options.distanceModel);
        should(node.refDistance, 'node.refDistance')
            .beEqualTo(options.refDistance);
        should(node.maxDistance, 'node.maxDistance')
            .beEqualTo(options.maxDistance);
        should(node.rolloffFactor, 'node.rolloffFactor')
            .beEqualTo(options.rolloffFactor);
        should(node.coneInnerAngle, 'node.coneInnerAngle')
            .beEqualTo(options.coneInnerAngle);
        should(node.coneOuterAngle, 'node.coneOuterAngle')
            .beEqualTo(options.coneOuterAngle);
        should(node.coneOuterGain, 'node.coneOuterGain')
            .beEqualTo(options.coneOuterGain);

        should(node.channelCount, 'node.channelCount').beEqualTo(2);
        should(node.channelCountMode, 'node.channelCountMode')
            .beEqualTo('clamped-max');
        should(node.channelInterpretation, 'node.channelInterpretation')
            .beEqualTo('speakers');

        task.done();
      });

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