diff --git a/test/lib/helpers.js b/test/lib/helpers.js
index ca204c62..1e5b288a 100644
--- a/test/lib/helpers.js
+++ b/test/lib/helpers.js
@@ -7,17 +7,21 @@ function compareNumbers(number1, number2, message) {
 }
 
 function comparePoints(point1, point2, message) {
-	compareNumbers(point1.x, point2.x, message ? message + ' x' : undefined);
-	compareNumbers(point1.y, point2.y, message ? message + ' y' : undefined);
+	compareNumbers(point1.x, point2.x,
+			(message || '') + ' x');
+	compareNumbers(point1.y, point2.y,
+			(message || '') + ' y');
 }
 
 function compareRectangles(rect1, rect2, message) {
-	compareNumbers(rect1.x, rect2.x, message ? message + ' x' : undefined);
-	compareNumbers(rect1.y, rect2.y, message ? message + ' y' : undefined);
+	compareNumbers(rect1.x, rect2.x,
+			(message || '') + ' x');
+	compareNumbers(rect1.y, rect2.y,
+			(message || '') + ' y');
 	compareNumbers(rect1.width, rect2.width,
-				message ? message + ' width' : undefined);
+			(message || '') + ' width');
 	compareNumbers(rect1.height, rect2.height,
-				message ? message + ' height' : undefined);
+			(message || '') + ' height');
 }
 
 function compareRGBColors(color1, color2, message) {
@@ -25,13 +29,13 @@ function compareRGBColors(color1, color2, message) {
 	color2 = new RGBColor(color2);
 	
 	compareNumbers(color1.red, color2.red,
-				message ? message + ' red' : undefined);
+			(message || '') + ' red');
 	compareNumbers(color1.green, color2.green,
-				message ? message + ' green' : undefined);
+			(message || '') + ' green');
 	compareNumbers(color1.blue, color2.blue,
-				message ? message + ' blue' : undefined);
+			(message || '') + ' blue');
 	compareNumbers(color1.alpha, color2.alpha,
-				message ? message + ' alpha' : undefined);
+			(message || '') + ' alpha');
 }
 
 function compareHSBColors(color1, color2, message) {
@@ -39,13 +43,13 @@ function compareHSBColors(color1, color2, message) {
 	color2 = new HSBColor(color2);
 	
 	compareNumbers(color1.hue, color2.hue,
-			message ? message + ' hue' : undefined);
+			(message || '') + ' hue');
 	compareNumbers(color1.saturation, color2.saturation,
-			message ? message + ' saturation' : undefined);
+			(message || '') + ' saturation');
 	compareNumbers(color1.brightness, color2.brightness,
-			message ? message + ' brightness' : undefined);
+			(message || '') + ' brightness');
 	compareNumbers(color1.alpha, color2.alpha,
-			message ? message + ' alpha' : undefined);
+			(message || '') + ' alpha');
 }
 
 function compareGrayColors(color1, color2, message) {
@@ -53,5 +57,5 @@ function compareGrayColors(color1, color2, message) {
 	color2 = new GrayColor(color2);
 	
 	compareNumbers(color1.gray, color2.gray,
-			message ? message + ' gray' : undefined);
+			(message || '') + ' gray');
 }
\ No newline at end of file