public void TreeTraverser_PostOrder()
{
const string expected = "4 5 2 6 7 3 1";
var result = traverser.PostOrder(root);
Assert.AreEqual(expected, result);
}
public void traversing_multi_level_tree_post_order()
{
root.LeftNode.LeftNode = new BinaryTreeNode <int>(4);
root.LeftNode.RightNode = new BinaryTreeNode <int>(5);
root.RightNode.LeftNode = new BinaryTreeNode <int>(6);
root.RightNode.RightNode = new BinaryTreeNode <int>(7);
ArrayList expected = new ArrayList();
expected.Add(4);
expected.Add(5);
expected.Add(2);
expected.Add(6);
expected.Add(7);
expected.Add(3);
expected.Add(1);
ArrayList array = BinaryTreeTraverser <int> .PostOrder(root);
Assert.AreEqual(expected, array);
}
