defineSuite([
        'Scene/PointCloudShading',
        'Specs/createScene'
    ], function(
        PointCloudShading,
        createScene) {
    'use strict';

    it('creates expected instance from raw assignment and construction', function() {
        var pointCloudShading = new PointCloudShading();
        expect(pointCloudShading.attenuation).toEqual(false);
        expect(pointCloudShading.geometricErrorScale).toEqual(1.0);
        expect(pointCloudShading.maximumAttenuation).not.toBeDefined();
        expect(pointCloudShading.baseResolution).not.toBeDefined();
        expect(pointCloudShading.eyeDomeLighting).toEqual(true);
        expect(pointCloudShading.eyeDomeLightingStrength).toEqual(1.0);
        expect(pointCloudShading.eyeDomeLightingRadius).toEqual(1.0);

        var options = {
            geometricErrorScale : 2.0,
            maximumAttenuation : 16,
            baseResolution : 0.1,
            eyeDomeLightingStrength : 0.1,
            eyeDomeLightingRadius : 2.0
        };
        pointCloudShading = new PointCloudShading(options);
        expect(pointCloudShading.attenuation).toEqual(false);
        expect(pointCloudShading.geometricErrorScale).toEqual(options.geometricErrorScale);
        expect(pointCloudShading.maximumAttenuation).toEqual(options.maximumAttenuation);
        expect(pointCloudShading.baseResolution).toEqual(options.baseResolution);
        expect(pointCloudShading.eyeDomeLighting).toEqual(true);
        expect(pointCloudShading.eyeDomeLightingStrength).toEqual(options.eyeDomeLightingStrength);
        expect(pointCloudShading.eyeDomeLightingRadius).toEqual(options.eyeDomeLightingRadius);
    });

    it('provides a method for checking if point cloud shading is supported', function() {
        var scene = createScene();
        var context = scene.context;
        var expectedSupport = context.floatingPointTexture && context.drawBuffers && context.fragmentDepth;
        expect(PointCloudShading.isSupported(scene)).toEqual(expectedSupport);
        scene.destroyForSpecs();
    });
});