Added toString and equals tests

git-svn-id: svn://sunsvr01.isp.uni-luebeck.de/swproj13/trunk@210 72836036-5685-4462-b002-a69064685172

src/jrummikub/model/StoneTray.java

@@ -20,20 +20,6 @@ public class StoneTray<E extends Sizeable> implements IStoneTray<E> {
 
 	protected static enum Direction {
 		LEFT, RIGHT, TOP, BOTTOM;
-
-		public Direction reverse() {
-			switch (this) {
-			case LEFT:
-				return RIGHT;
-			case RIGHT:
-				return LEFT;
-			case TOP:
-				return BOTTOM;
-			case BOTTOM:
-				return TOP;
-			}
-			return null;
-		}
 	}
 
 	@Override