public void ForEachSameLevelNode_AllBranchesHaveLevel2()
{
var r = new MapNode(new MapTree(), "r");
var c1 = new MapNode(r, "c1");
var c11 = new MapNode(c1, "c11");
var c12 = new MapNode(c1, "c12");
var c13 = new MapNode(c1, "c13");
var c14 = new MapNode(c1, "c14");
var c15 = new MapNode(c1, "c15");
var c2 = new MapNode(r, "c2");
var c21 = new MapNode(c2, "c21");
var c3 = new MapNode(r, "c3", NodePosition.Left);
c3.Folded = true;
var c31 = new MapNode(c3, "c31");
var c32 = new MapNode(c3, "c32");
c13.ForEachSameLevelNode(n => n.Text = "Updated");
Assert.AreEqual(7, r.RollUpAggregate(n => n.Text == "Updated" ? 1 : 0, (i, i1) => i + i1));
}
