public void TestSerialization()
{
Student peter = new Student("Peter", TestName.Physics, 7);
Student john = new Student("John", TestName.Geography, 7);
Student frank = new Student("Frank", TestName.Economics, 8);
Student robert = new Student("Robert", TestName.Economics, 10);
Tree <Student> tree = new Tree <Student>();
tree.Add(peter);
tree.Add(john);
tree.Add(frank);
tree.Add(robert);
string path = AppDomain.CurrentDomain.BaseDirectory + "/binaryTree.xml";
TreeSerializer.Serialize(tree, path);
Tree <Student> treeDeser = TreeSerializer.Deserialize(path);
Assert.AreEqual(tree.Count, treeDeser.Count);
}