public void CountGeneratedPermutations()
{
int size = 4;
Permutor permutor = new Permutor(size);
int count = 1; // the identity permutation is not generated
while (permutor.HasNext())
{
permutor.GetNextPermutation();
count++;
}
Assert.AreEqual(Factorial(size), count);
}
public void GetCurrentPermutationTest()
{
int size = 4;
Permutor permutor = new Permutor(size);
bool allOk = true;
while (permutor.HasNext())
{
permutor.GetNextPermutation();
int[] current = permutor.GetCurrentPermutation();
if (ArrayElementsDistinct(current))
{
continue;
}
else
{
allOk = false;
break;
}
}
Assert.IsTrue(allOk);
}
