/// <summary>
/// Does a generic heap test.
/// </summary>
/// <param name="heap">Heap to be checked.</param>
/// <param name="input">Input values.</param>
private static void HeapTest <Value>(IHeap <Value, Value> heap, List <Value> input) where Value : IComparable
{
List <Value> sortedInput = new List <Value>(input);
sortedInput.Sort();
input.ForEach(number => heap.Add(number, number));
Assert.AreEqual(input.Count, heap.GetSize());
Assert.AreEqual(sortedInput[0], heap.GetMinKey());
heap.Clear();
Assert.AreEqual(0, heap.GetSize());
input.ForEach(number => heap.Add(number, number));
List <Value> result = new List <Value>();
while (heap.GetSize() != 0)
{
result.Add(heap.RemoveMin());
}
Assert.IsTrue(CollectionsEquality.Equals(sortedInput, result));
}
private static void heapTests(int size, int removeInterval, int maxValue = -1)
{
Logger logger = new Logger();
if (maxValue < 0)
{
maxValue = size / 4;
}
List <IHeap <double, int> > testSubjects = new List <IHeap <double, int> >();
List <string> names = new List <string>();
testSubjects.Add(new RegularBinaryHeap <int>());
names.Add("Regular Heap");
testSubjects.Add(new LeftistHeap <int>());
names.Add("Leftist Heap");
testSubjects.Add(new BinomialHeap <int>());
names.Add("Binomial Heap");
//testSubjects.Add(new SortedListHeap<int>());
//names.Add("SortedList Heap");
//testSubjects.Add(new Heaps.SingleBucket<int>(maxValue));
//names.Add("Single Bucket Heap");
//testSubjects.Add(new Heaps.RadixHeap<int>(maxValue));
//names.Add("Radix Heap");
List <List <int> > removedValues = new List <List <int> >();
List <TimeSpan> results = new List <TimeSpan>();
List <int> input = generateNonDecreasingTestInput(size, maxValue);
for (int j = 0; j < testSubjects.Count; j++)
{
logger.Log("testing the " + names[j]);
IHeap <double, int> heap = testSubjects[j];
//removedValues.Add(new List<int>());
//int index = removedValues.Count -1;
DateTime start = DateTime.Now;
for (int i = 0; i < size; i++)
{
heap.Add(input[i], input[i]);
if (i % removeInterval == 0)
{
heap.RemoveMin();
if ((DateTime.Now - start).TotalSeconds > 120)
{
logger.Log(names[j] + " time limit exceeded.");
break;
}
}
}
DateTime end = DateTime.Now;
logger.Log("Test finished.");
results.Add(end - start);
testSubjects[j] = null;
GC.Collect();
}
/*
* for (int i = 0; i < removedValues[0].Count; i++)
* {
* for (int j = 0; j < removedValues.Count; j++)
* {
* if (removedValues[j][i] != removedValues[0][i])
* {
* logger.Log("chyba");
* }
* }
* }
*/
for (int i = 0; i < testSubjects.Count; i++)
{
logger.Log(names[i] + " " + results[i].TotalSeconds + " seconds.");
}
}