// Construction
static InputProvider()
{
_evenIntegers = CombinatoricsHelper.GenerateNTuples(Numbers, EvenExhaustiveCollectionSize);
_oddIntegers = CombinatoricsHelper.GenerateNTuples(Numbers, OddExhaustiveCollectionSize);
_randomIntegers = new int[10000000];
Random randGen = new Random();
for (int i = 0; i < _randomIntegers.Count; i++)
{
_randomIntegers[i] = randGen.Next();
}
}
public void CombinatoricsHelper_GenerateNTuples_Test()
{
var elements = new List <int>();
for (int noOfElements = 0; noOfElements < 5; noOfElements++)
{
elements.Add(noOfElements);
for (int choose = 0; choose < 5; choose++)
{
var results = CombinatoricsHelper.GenerateNTuples(elements, choose);
Assert.AreEqual(results.Count, Math.Pow(elements.Count, choose));
}
}
}
public void SortHelper_QuickSort_Strings_Test()
{
// Define the alphabet:
string[] alphabet = new string[26];
for (int i = 0; i < alphabet.Length; i++)
{
alphabet[i] = ('a' + i).ToString();
}
// Get every permutation consisting of 3 letters:
var permutations = CombinatoricsHelper.GenerateNTuples(alphabet, 4);
foreach (var permutation in permutations)
{
// Sort each permutation:
SortHelper.QuickSort(permutation);
// Evaluate whether or not the sort was successful.
for (int i = 1; i < permutation.Count; i++)
{
Assert.IsTrue(permutation[i].CompareTo(permutation[i - 1]) >= 0);
}
}
}
