         XCTAssertEqual(transform?.color8lenght, TestHexColor.red)
         XCTAssertNil(transform?.colorInvalidRGBString)
         XCTAssertNil(transform?.colorErrorInScanHex)
+        XCTAssertNil(transform?.colorNotAString)
         
         transform?.colorGrayscale = UIColor(white: 0, alpha: 1)
 		

        colorInvalidRGBString   <- (map["colorInvalidRGBString"], XMLHexColorTransform())
        colorErrorInScanHex     <- (map["colorErrorInScanHex"], XMLHexColorTransform())
        colorGrayscale          <- (map["colorGrayscale"], XMLHexColorTransform(alphaToXML: true))
	}
}


            "color4lenght": "F00f",
            "color8lenght": "ff0000ff",
            "colorInvalidRGBString": "ff",
            "colorErrorInScanHex": "-",
            "colorNotAString": [String]()
		]
		
		let transform = mapper.map(XML: XML)
