diff --git a/Foundation/_CGGeometry.j b/Foundation/_CGGeometry.j
index 480e814ab..cdc8919c4 100644
--- a/Foundation/_CGGeometry.j
+++ b/Foundation/_CGGeometry.j
@@ -112,7 +112,6 @@ function CGStringFromRect(aRect)
     return "{" + CGStringFromPoint(aRect.origin) + ", " + CGStringFromSize(aRect.size) + "}";
 }
 
-
 function CGRectOffset(aRect, dX, dY)
 {
     return { origin:{ x:aRect.origin.x + dX, y:aRect.origin.y + dY }, size:{ width:aRect.size.width, height:aRect.size.height } };
diff --git a/Tests/AppKit/CGGeometryTest.j b/Tests/AppKit/CGGeometryTest.j
new file mode 100644
index 000000000..540491e8d
--- /dev/null
+++ b/Tests/AppKit/CGGeometryTest.j
@@ -0,0 +1,27 @@
+@import <AppKit/CGGeometry.j>
+
+
+@implementation CGGeometryTest : OJTestCase
+
+- (void)testCGStringFromPoint
+{
+    [self assert:@"{0, 0}" equals:CGStringFromPoint(CGPointMakeZero())];
+    [self assert:@"{123, 234}" equals:CGStringFromPoint(CGPointMake(123, 234))];
+    [self assert:@"{-123.45, -234}" equals:CGStringFromPoint(CGPointMake(-123.45, -234.))];
+}
+
+- (void)testCGStringFromSize
+{
+    [self assert:@"{0, 0}" equals:CGStringFromSize(CGSizeMakeZero())];
+    [self assert:@"{123, 234}" equals:CGStringFromSize(CGSizeMake(123, 234))];
+    [self assert:@"{-123.45, -234}" equals:CGStringFromSize(CGSizeMake(-123.45, -234.))];
+}
+
+- (void)testCGStringFromRect
+{
+    [self assert:@"{{0, 0}, {0, 0}}" equals:CGStringFromRect(CGRectMakeZero())];
+    [self assert:@"{{123, 234}, {345, 456}}" equals:CGStringFromRect(CGRectMake(123, 234, 345, 456))];
+    [self assert:@"{{-123.45, -234}, {345.5, 456}}" equals:CGStringFromRect(CGRectMake(-123.45, -234, 345.5, 456.))];
+}
+
+@end