public void GetDescendentsCount() { var r = new MapNode(new MapTree(), "r"); var c1 = new MapNode(r, "C"); var c11 = new MapNode(c1, "6"); var c12 = new MapNode(c1, "2"); var c121 = new MapNode(c12, "c121"); var c13 = new MapNode(c1, "4"); var c14 = new MapNode(c1, "7"); var c15 = new MapNode(c1, "1"); var c16 = new MapNode(c1, "5"); var c17 = new MapNode(c1, "3"); var c2 = new MapNode(r, "B"); var c3 = new MapNode(r, "C", NodePosition.Left); var c31 = new MapNode(c3, "c31"); var c32 = new MapNode(c3, "c32"); int count = r.GetDescendentsCount(); Assert.AreEqual(13, count); }