define([
        'DataSources/CheckerboardMaterialProperty',
        'Core/Cartesian2',
        'Core/Color',
        'Core/JulianDate',
        'Core/TimeInterval',
        'DataSources/ConstantProperty',
        'DataSources/TimeIntervalCollectionProperty',
        'Specs/testDefinitionChanged'
    ], function(
        CheckerboardMaterialProperty,
        Cartesian2,
        Color,
        JulianDate,
        TimeInterval,
        ConstantProperty,
        TimeIntervalCollectionProperty,
        testDefinitionChanged) {
        'use strict';

describe('DataSources/CheckerboardMaterialProperty', function() {

    it('constructor provides the expected defaults', function() {
        var property = new CheckerboardMaterialProperty();
        expect(property.getType()).toEqual('Checkerboard');
        expect(property.isConstant).toBe(true);
        expect(property.evenColor).toBeUndefined();
        expect(property.oddColor).toBeUndefined();
        expect(property.repeat).toBeUndefined();

        var result = property.getValue();
        expect(result.lightColor).toEqual(Color.WHITE);
        expect(result.darkColor).toEqual(Color.BLACK);
        expect(result.repeat).toEqual(new Cartesian2(2.0, 2.0));
    });

    it('constructor sets options and allows raw assignment', function() {
        var options = {
            evenColor : Color.RED,
            oddColor : Color.BLUE,
            repeat : new Cartesian2(1, 2)
        };

        var property = new CheckerboardMaterialProperty(options);
        expect(property.evenColor).toBeInstanceOf(ConstantProperty);
        expect(property.oddColor).toBeInstanceOf(ConstantProperty);
        expect(property.repeat).toBeInstanceOf(ConstantProperty);

        expect(property.evenColor.getValue()).toEqual(options.evenColor);
        expect(property.oddColor.getValue()).toEqual(options.oddColor);
        expect(property.repeat.getValue()).toEqual(options.repeat);
    });

    it('works with constant values', function() {
        var property = new CheckerboardMaterialProperty();
        property.evenColor = new ConstantProperty(Color.RED);
        property.oddColor = new ConstantProperty(Color.BLUE);
        property.repeat = new ConstantProperty(new Cartesian2(5, 5));

        var result = property.getValue(JulianDate.now());
        expect(result.lightColor).toEqual(Color.RED);
        expect(result.darkColor).toEqual(Color.BLUE);
        expect(result.repeat).toEqual(new Cartesian2(5, 5));
    });

    it('works with dynamic values', function() {
        var property = new CheckerboardMaterialProperty();
        property.evenColor = new TimeIntervalCollectionProperty();
        property.oddColor = new TimeIntervalCollectionProperty();
        property.repeat = new TimeIntervalCollectionProperty();

        var start = new JulianDate(1, 0);
        var stop = new JulianDate(2, 0);
        property.evenColor.intervals.addInterval(new TimeInterval({
            start : start,
            stop : stop,
            data : Color.RED
        }));
        property.oddColor.intervals.addInterval(new TimeInterval({
            start : start,
            stop : stop,
            data : Color.BLUE
        }));
        property.repeat.intervals.addInterval(new TimeInterval({
            start : start,
            stop : stop,
            data : new Cartesian2(5, 5)
        }));

        expect(property.isConstant).toBe(false);

        var result = property.getValue(start);
        expect(result.lightColor).toEqual(Color.RED);
        expect(result.darkColor).toEqual(Color.BLUE);
        expect(result.repeat).toEqual(new Cartesian2(5, 5));
    });

    it('works with a result parameter', function() {
        var property = new CheckerboardMaterialProperty();
        property.evenColor = new ConstantProperty(Color.RED);
        property.oddColor = new ConstantProperty(Color.BLUE);
        property.repeat = new ConstantProperty(new Cartesian2(5, 5));

        var result = {
            lightColor : Color.YELLOW.clone(),
            darkColor : Color.YELLOW.clone(),
            repeat : new Cartesian2(1, 1)
        };
        var returnedResult = property.getValue(JulianDate.now(), result);
        expect(returnedResult).toBe(result);
        expect(result.lightColor).toEqual(Color.RED);
        expect(result.darkColor).toEqual(Color.BLUE);
        expect(result.repeat).toEqual(new Cartesian2(5, 5));
    });

    it('equals works', function() {
        var left = new CheckerboardMaterialProperty();
        left.evenColor = new ConstantProperty(Color.RED);
        left.oddColor = new ConstantProperty(Color.BLUE);
        left.repeat = new ConstantProperty(new Cartesian2(5, 5));

        var right = new CheckerboardMaterialProperty();
        right.evenColor = new ConstantProperty(Color.RED);
        right.oddColor = new ConstantProperty(Color.BLUE);
        right.repeat = new ConstantProperty(new Cartesian2(5, 5));

        expect(left.equals(right)).toEqual(true);

        right.evenColor = new ConstantProperty(Color.BLACK);
        expect(left.equals(right)).toEqual(false);

        right.evenColor = new ConstantProperty(Color.RED);
        right.oddColor = new ConstantProperty(Color.BLACK);
        expect(left.equals(right)).toEqual(false);

        right.oddColor = new ConstantProperty(Color.BLUE);
        right.repeat = new ConstantProperty(new Cartesian2(5, 6));
        expect(left.equals(right)).toEqual(false);

        right.repeat = new ConstantProperty(new Cartesian2(5, 5));
        expect(left.equals(right)).toEqual(true);
    });

    it('raises definitionChanged when a property is assigned or modified', function() {
        var property = new CheckerboardMaterialProperty();
        testDefinitionChanged(property, 'evenColor', Color.RED, Color.BLUE);
        testDefinitionChanged(property, 'oddColor', Color.RED, Color.BLUE);
        testDefinitionChanged(property, 'repeat', new Cartesian2(5, 5), new Cartesian2(7, 7));
    });
});
});
