public static bool TestBinTree(BinTree tree, int x) // always true { if (tree == null) return true; tree.Add(x); return tree.Contains(x); }
private static void TestTree() { var tree = new BinTree <int>(); var tree2 = new BinTree <int>(10); tree.Add(20); tree2.Add(20); Console.WriteLine(tree2.Contains(20)); Console.WriteLine(tree.Contains(10)); }