public void HeapWithIndicesTest(int numberOfIterations, int heapSize)
{
List <int> actions = new List <int>();
List <int> actions1 = new List <int>();
Random rand = new Random(55);
HeapWithIndices <long> heap = new HeapWithIndices <long>(new LongComparer());
ListHeapWithIndices <long> list = new ListHeapWithIndices <long>(new LongComparer());
System.Collections.Generic.HashSet <int> listKeys = new System.Collections.Generic.HashSet <int>();
System.Collections.Generic.HashSet <int> heapKeys = new System.Collections.Generic.HashSet <int>();
for (int i = 0; i < heapSize; ++i)
{
int x = rand.Next() % 100;
list.Add(x);
heap.Add(x);
actions.Add(x);
actions1.Add(x);
}
for (int i = 0; i < numberOfIterations; ++i)
{
if (i < heapSize)
{
actions[i] = actions[i] + rand.Next() % 10000000;
}
else
{
actions.Add(actions[i - heapSize] + rand.Next() % 10000000);
}
if (i < heapSize)
{
actions1[i] = actions1[i] + rand.Next() % 10000000;
}
else
{
actions1.Add(actions1[i - heapSize] + rand.Next() % 10000000);
}
}
long heapSum = 0;
long listSum = 0;
Stopwatch timer = new Stopwatch();
timer.Start();
for (int i = 0; i < actions.Count; ++i)
{
ListHeapWithIndices <long> .HeapEntry heapEntry = list.Pop();
listSum += heapEntry.Value;
listKeys.Remove(heapEntry.Key);
listKeys.Add(list.Add(actions[i]));
if (i % 10 == 0)
{
int key = listKeys.First();
listKeys.Remove(key);
list.Remove(key);
listKeys.Add(list.Add(actions1[i]));
}
}
timer.Stop();
System.Console.WriteLine(timer.ElapsedMilliseconds);
timer.Reset();
timer.Start();
for (int i = 0; i < actions.Count; ++i)
{
HeapWithIndices <long> .HeapEntry heapEntry = heap.Pop();
heapSum += heapEntry.Value;
heapKeys.Remove(heapEntry.Key);
heapKeys.Add(heap.Add(actions[i]));
if (i % 10 == 0)
{
int key = heapKeys.First();
heapKeys.Remove(key);
heap.Remove(key);
heapKeys.Add(heap.Add(actions1[i]));
}
}
timer.Stop();
System.Console.WriteLine(timer.ElapsedMilliseconds);
Assert.AreEqual(heapSum, listSum);
}
