public void RotateDirection_ReturnsRotated() { Assert.AreEqual(OrthogonalLine.Direction.Bottom, OrthogonalLine.RotateDirection(OrthogonalLine.Direction.Right, 90)); Assert.AreEqual(OrthogonalLine.Direction.Top, OrthogonalLine.RotateDirection(OrthogonalLine.Direction.Bottom, -180)); }