text: /*global defineSuite*/
  defineSuite([
          'Core/ColorGeometryInstanceAttribute',
          'Core/Color',
          'Core/ComponentDatatype'
      ], function(
          ColorGeometryInstanceAttribute,
          Color,
          ComponentDatatype) {
      "use strict";
  
      it('constructor', function() {
          var attribute = new ColorGeometryInstanceAttribute(1.0, 1.0, 0.0, 0.5);
          expect(attribute.componentDatatype).toEqual(ComponentDatatype.UNSIGNED_BYTE);
          expect(attribute.componentsPerAttribute).toEqual(4);
          expect(attribute.normalize).toEqual(true);
  
          var value = new Uint8Array(new Color(1.0, 1.0, 0.0, 0.5).toBytes());
          expect(attribute.value).toEqual(value);
      });
  
      it('fromColor', function() {
          var color = Color.AQUA;
          var attribute = ColorGeometryInstanceAttribute.fromColor(color);
          expect(attribute.componentDatatype).toEqual(ComponentDatatype.UNSIGNED_BYTE);
          expect(attribute.componentsPerAttribute).toEqual(4);
          expect(attribute.normalize).toEqual(true);
  
          var value = new Uint8Array(color.toBytes());
          expect(attribute.value).toEqual(value);
      });
  
      it('fromColor throws without color', function() {
          expect(function() {
              ColorGeometryInstanceAttribute.fromColor();
          }).toThrowDeveloperError();
      });
  
      it('toValue', function() {
          var color = Color.AQUA;
          var expectedResult = new Uint8Array(color.toBytes());
          expect(ColorGeometryInstanceAttribute.toValue(color)).toEqual(expectedResult);
      });
  
      it('toValue works with result parameter', function() {
          var color = Color.AQUA;
          var expectedResult = new Uint8Array(color.toBytes());
          var result = new Uint8Array(4);
          var returnedResult = ColorGeometryInstanceAttribute.toValue(color, result);
          expect(returnedResult).toBe(result);
          expect(returnedResult).toEqual(expectedResult);
      });
  
      it('toValue throws without a color', function() {
          expect(function() {
              ColorGeometryInstanceAttribute.toValue();
          }).toThrowDeveloperError();
      });
  
  });
  