defineSuite([
        'Scene/Moon',
        'Core/BoundingSphere',
        'Core/Color',
        'Core/defined',
        'Core/Ellipsoid',
        'Core/Matrix3',
        'Core/Simon1994PlanetaryPositions',
        'Core/Transforms',
        'Specs/createScene'
    ], function(
        Moon,
        BoundingSphere,
        Color,
        defined,
        Ellipsoid,
        Matrix3,
        Simon1994PlanetaryPositions,
        Transforms,
        createScene) {
    'use strict';

    var scene;
    var backgroundColor = [255, 0, 0, 255];

    beforeAll(function() {
        scene = createScene();
        Color.unpack(backgroundColor, 0, scene.backgroundColor);
    });

    afterAll(function() {
        scene.destroyForSpecs();
    });

    function lookAtMoon(camera, date) {
        var icrfToFixed = new Matrix3();
        if (!defined(Transforms.computeIcrfToFixedMatrix(date, icrfToFixed))) {
            Transforms.computeTemeToPseudoFixedMatrix(date, icrfToFixed);
        }

        var moonPosition = Simon1994PlanetaryPositions.computeMoonPositionInEarthInertialFrame(date);
        Matrix3.multiplyByVector(icrfToFixed, moonPosition, moonPosition);

        camera.viewBoundingSphere(new BoundingSphere(
            moonPosition,
            Ellipsoid.MOON.maximumRadius
        ));
    }

    it('default constructs the moon', function() {
        var moon = new Moon();
        expect(moon.show).toEqual(true);
        expect(moon.textureUrl).toContain('Assets/Textures/moonSmall.jpg');
        expect(moon.ellipsoid).toBe(Ellipsoid.MOON);
        expect(moon.onlySunLighting).toEqual(true);
    });

    it('draws in 3D', function() {
        expect(scene).toRender(backgroundColor);
        scene.moon = new Moon();

        lookAtMoon(scene.camera, scene.frameState.time);

        expect(scene).notToRender(backgroundColor);
        scene.moon = scene.moon.destroy();
    });

    it('does not render when show is false', function() {
        expect(scene).toRender(backgroundColor);
        scene.moon = new Moon();

        lookAtMoon(scene.camera, scene.frameState.time);

        expect(scene).notToRender(backgroundColor);
        scene.moon.show = false;

        expect(scene).toRender(backgroundColor);
        scene.moon = scene.moon.destroy();
    });

    it('isDestroyed', function() {
        var moon = new Moon();
        expect(moon.isDestroyed()).toEqual(false);
        moon.destroy();
        expect(moon.isDestroyed()).toEqual(true);
    });
}, 'WebGL');