public void MinPQ_Basic()
{
var pq = new MinPriorityQueue<int>();
pq.Insert(2, null);
pq.Insert(6, null);
pq.Insert(1, null);
Assert.AreEqual(1, (int)(pq.DelMax().Item1));
pq.Insert(9, null);
pq.Insert(7, null);
pq.Insert(1, null);
Assert.AreEqual(1, (int)(pq.DelMax().Item1));
pq.Insert(2, null);
pq.Insert(6, null);
pq.Insert(1, null);
Assert.AreEqual(1, (int)(pq.DelMax().Item1));
Assert.AreEqual(2, (int)(pq.Max().Item1));
Assert.AreEqual(2, (int)(pq.DelMax().Item1));
Assert.AreEqual(2, (int)(pq.DelMax().Item1));
Assert.AreEqual(6, (int)(pq.DelMax().Item1));
}