public void Min_priority_queue()
{
var p = new MinPQ<int>(5);
p.Insert(5);
Assert.AreEqual("5", string.Join(",", p.CurrentPQ()));
p.Insert(4);
Assert.AreEqual("4,5", string.Join(",", p.CurrentPQ()));
p.Insert(99);
Assert.AreEqual("4,5,99", string.Join(",", p.CurrentPQ()));
p.Insert(14);
Assert.AreEqual("4,5,99,14", string.Join(",", p.CurrentPQ()));
p.Insert(0);
Assert.AreEqual("0,4,99,14,5", string.Join(",", p.CurrentPQ()));
}