public void RoverIsShouldBeHeadingToWest() { // -- arrange var rover = new Rover { Destination = new Position { X = 0, Y = 0, Direction = Direction.W } }; // -- assert rover.DestToNorth().ShouldBeEquivalentTo(false); rover.DestToSouth().ShouldBeEquivalentTo(false); rover.DestToEast().ShouldBeEquivalentTo(false); rover.DestToWest().ShouldBeEquivalentTo(true); }