public void AddConnectionBetweenTest()
        {
            Area a            = AreaFactory.Rectangle("test-tangle", new Coord(0, 0), 6, 6);
            Area b            = AreaFactory.Rectangle("rest-ert", new Coord(a.Right, a.Top), 5, 5);
            int  aCountBefore = a.OuterPoints.Count();
            int  bCountBefore = b.OuterPoints.Count();

            Area.AddConnectionBetween(a, b);
            Assert.AreEqual(1, a.Connections.Count());
            Assert.AreEqual(1, b.Connections.Count());

            Assert.AreEqual(aCountBefore - 1, a.OuterPoints.Count());
            Assert.AreEqual(bCountBefore - 1, b.OuterPoints.Count());
        }