public void MoveTest()
{
Treap <int> treap = new Treap <int>();
treap.Insert(0, 1);
treap.Insert(1, 2);
treap.Insert(2, 3);
treap.Insert(3, 4);
treap.Insert(4, 5);
treap.Move(1, 3);
Assert.AreEqual(treap[1], 3);
Assert.AreEqual(treap[2], 4);
Assert.AreEqual(treap[3], 2);
}
