public void Next(BinaryTreeNodeWithParent <int> node, BinaryTreeNodeWithParent <int> expected)
{
var solution = new FindNextNode();
var actual = solution.Next(node);
Assert.Same(expected, actual);
}
public abstract void Search(INode start, INode end, FindNextNode heuristic);
public override void Search(INode start, INode end, FindNextNode heuristic)
{
throw new System.NotImplementedException();
}
