static void Main()
{
TreeNodeWithoutParent <int> root = CreateExampleTree();
var traverseCommand = new DepthFirstTraverseCommand();
var list = new List <int>();
Action <int> actionToExecute = (int x) => list.Add(x);
traverseCommand.Traverse(root, actionToExecute);
list.ForEach(x => Console.WriteLine(x));
}
private static TreeNodeWithoutParent <int> CreateExampleTree()
{
var node19 = new TreeNodeWithoutParent <int>(19);
node19.Children.Add(new TreeNodeWithoutParent <int>(1));
node19.Children.Add(new TreeNodeWithoutParent <int>(12));
node19.Children.Add(new TreeNodeWithoutParent <int>(31));
var node21 = new TreeNodeWithoutParent <int>(21);
var node14 = new TreeNodeWithoutParent <int>(14);
node14.Children.Add(new TreeNodeWithoutParent <int>(23));
node14.Children.Add(new TreeNodeWithoutParent <int>(6));
var root = new TreeNodeWithoutParent <int>(7);
root.Children.Add(node19);
root.Children.Add(node21);
root.Children.Add(node14);
return(root);
}
