public static void DoTest()
{
int i = 37;
int numberOfItems = 100000;
BinomialMinHeap<int> firstHeap = new BinomialMinHeap<int>();
BinomialMinHeap<int> secondHeap = new BinomialMinHeap<int>();
BinomialMinHeap<int> thirdHeap = new BinomialMinHeap<int>();
Console.WriteLine("Begin Test.");
for (i = 37; i != 0; i = (i + 37) % numberOfItems)
{
if (i % 2 == 0)
secondHeap.Add(i);
else
firstHeap.Add(i);
}
firstHeap.Merge(secondHeap);
thirdHeap = firstHeap;
for (i = 1; i <= thirdHeap.Count; i++)
{
var min = thirdHeap.ExtractMin();
Debug.Assert(min == i, "WRONG MIN");
}
Debug.Assert(secondHeap.IsEmpty, "SECOND HEAP SHOULD BE EMPTY");
Console.WriteLine("END OF TEST");
Console.ReadLine();
}
public static void DoTest()
{
int i = 37;
int numberOfItems = 100000;
BinomialMinHeap <int> firstHeap = new BinomialMinHeap <int>();
BinomialMinHeap <int> secondHeap = new BinomialMinHeap <int>();
BinomialMinHeap <int> thirdHeap = new BinomialMinHeap <int>();
for (i = 37; i != 0; i = (i + 37) % numberOfItems)
{
if (i % 2 == 0)
{
secondHeap.Add(i);
}
else
{
firstHeap.Add(i);
}
}
firstHeap.Merge(secondHeap);
thirdHeap = firstHeap;
for (i = 1; i <= thirdHeap.Count; i++)
{
var min = thirdHeap.ExtractMin();
Assert.True(min == i, "WRONG MIN");
}
Assert.True(secondHeap.IsEmpty, "SECOND HEAP SHOULD BE EMPTY");
}
public static void DoTest()
{
int i = 37;
int numberOfItems = 100000;
BinomialMinHeap <int> firstHeap = new BinomialMinHeap <int>();
BinomialMinHeap <int> secondHeap = new BinomialMinHeap <int>();
BinomialMinHeap <int> thirdHeap = new BinomialMinHeap <int>();
Console.WriteLine("Begin Test.");
for (i = 37; i != 0; i = (i + 37) % numberOfItems)
{
if (i % 2 == 0)
{
secondHeap.Add(i);
}
else
{
firstHeap.Add(i);
}
}
firstHeap.Merge(secondHeap);
thirdHeap = firstHeap;
for (i = 1; i <= thirdHeap.Count(); i++)
{
var min = thirdHeap.ExtractMin();
Debug.Assert(min == i, "WRONG MIN");
}
Debug.Assert(secondHeap.IsEmpty(), "SECOND HEAP SHOULD BE EMPTY");
Console.WriteLine("END OF TEST");
Console.ReadLine();
}
public void BinomialMinHeap_Test()
{
int nodeCount = 1000 * 10;
//insert test
var tree = new BinomialMinHeap <int>();
var nodePointers = new List <BinomialHeapNode <int> >();
for (int i = 0; i <= nodeCount; i++)
{
var node = tree.Insert(i);
nodePointers.Add(node);
var theoreticalTreeCount = Convert.ToString(i + 1, 2).Replace("0", "").Length;
var actualTreeCount = tree.heapForest.Count();
Assert.AreEqual(theoreticalTreeCount, actualTreeCount);
}
for (int i = 0; i <= nodeCount; i++)
{
nodePointers[i].Value--;
tree.DecrementKey(nodePointers[i]);
}
int min = 0;
for (int i = 0; i <= nodeCount; i++)
{
min = tree.ExtractMin();
Assert.AreEqual(min, i - 1);
}
nodePointers.Clear();
var rnd = new Random();
var testSeries = Enumerable.Range(0, nodeCount - 1).OrderBy(x => rnd.Next()).ToList();
foreach (var item in testSeries)
{
nodePointers.Add(tree.Insert(item));
}
min = tree.ExtractMin();
nodePointers = nodePointers.Where(x => x.Value != min).ToList();
var resultSeries = new List <int>();
for (int i = 0; i < nodePointers.Count; i++)
{
nodePointers[i].Value = nodePointers[i].Value - rnd.Next(0, 1000);
tree.DecrementKey(nodePointers[i]);
}
foreach (var item in nodePointers)
{
resultSeries.Add(item.Value);
}
resultSeries.Sort();
for (int i = 0; i < nodeCount - 2; i++)
{
min = tree.ExtractMin();
Assert.AreEqual(resultSeries[i], min);
}
}
