public void CanCopyTo()
{
var pq = new TestPriorityQueue <char>();
foreach (char c in "hello")
{
pq.Add(c);
}
var array = new char[pq.Count];
pq.CopyTo(array, 0);
// The items in the array are in "heap array order",
// but that's an undocumented implementation detail;
// officially the ordering is undefined, so sort:
Array.Sort(array);
Assert.True(array.SequenceEqual("ehllo".ToCharArray()));
}