text: describe('Kity.Styled', function() {
      var Rect = kity.Rect,
          Styled = kity.Styled;
  
      it('className测试', function() {
  
          var styled = new Rect(0, 0, 100, 100);
  
          styled.addClass('test');
  
          expect(styled.hasClass('test')).toBe(true);
          expect(styled.hasClass('test1')).toBe(false);
          styled.removeClass('test');
          expect(styled.hasClass('test')).toBe(false);
  
  
      });
  
  });