public void GetClosestSameLevelNodeBelow()
{
var r = new MapNode(new MapTree(), "r");
var c1 = new MapNode(r, "c1");
var c2 = new MapNode(r, "c2");
var c3 = new MapNode(r, "c3", NodePosition.Left);
c3.Folded = true;
var c31 = new MapNode(c3, "c31");
var c4 = new MapNode(r, "c4");
var c5 = new MapNode(r, "c5");
var c6 = new MapNode(r, "c6");
var c61 = new MapNode(c6, "c61");
Assert.AreEqual(c61, c31.GetClosestSameLevelNodeBelow());
}
