public IEnumerator <Contact> GetEnumerator()
{
while (heap.Count > 0)
{
yield return(heap.RemoveMin());
}
}
static void HeapTest()
{
MinMaxHeap<int> heapRemoveMin = new MinMaxHeap<int>();
heapRemoveMin.DebugCheckHeapProperty = true;
MinMaxHeap<int> heapRemoveMax = new MinMaxHeap<int>();
heapRemoveMax.DebugCheckHeapProperty = true;
List<int> doubleCheckMin = new List<int>();
List<int> doubleCheckMax = new List<int>();
Random r = new Random();
// Generate the list of numbers to populate the heaps and to check against
if (true)
{
for (int i = 0; i < 700; i++)
{
int randInt = r.Next(-10000, 10000);
doubleCheckMin.Add(randInt);
}
}
else
{
// Manually test degenerate cases
doubleCheckMin.Add(-55);
doubleCheckMin.Add(31);
doubleCheckMin.Add(-93);
//doubleCheckMin.Add(64);
}
for (int i = 0; i < doubleCheckMin.Count; i++)
{
int randInt = doubleCheckMin[i];
// heap.Add("" + i, i);
heapRemoveMin.Add(randInt, randInt);
heapRemoveMax.Add(randInt, randInt);
doubleCheckMax.Add(randInt);
}
doubleCheckMin.Sort(); // Default. Ascending
doubleCheckMax.Sort(delegate (int x, int y)
{
if (x == y) return 0;
if (x > y) return -1;
if (x < y) return 1;
return 0;
});
Console.WriteLine(" -- NOW REMOVE MIN --");
int checkCount = 0;
while (heapRemoveMin.Count > 0)
{
int min = heapRemoveMin.FindMin();
if (doubleCheckMin[checkCount] != min)
{
throw new Exception("WRONG!");
}
heapRemoveMin.RemoveMin();
checkCount++;
Console.WriteLine(min);
}
Console.WriteLine(" -- NOW REMOVE MAX --");
checkCount = 0;
while (heapRemoveMax.Count > 0)
{
//Console.WriteLine("iteration " + checkCount);
//Console.WriteLine(heapRemoveMax.PrintTree());
int max = heapRemoveMax.RemoveMax();
if (doubleCheckMax[checkCount] != max)
{
throw new Exception("WRONG!");
}
checkCount++;
Console.WriteLine(max);
}
}
