public void TestRnd()
{
System.Collections.Generic.List <int> intList = new System.Collections.Generic.List <int>()
{
1, 2, 3, 4, 5, 6, 7, 8, 9
};
int[] intArray = new int[9];
int loops = 100;
for (int i = 0; i < loops; i++)
{
int val = intList.Rnd();
intArray[val - 1]++;
Assert.AreEqual(true, intList.Contains(val));
}
// Weak ass std deviation test
float sum1 = 0;
foreach (int i in intArray)
{
sum1 += i;
}
float mean = sum1 / intArray.Length;
Assert.AreEqual(((float)loops) / intList.Count, mean);
float sum2 = 0;
foreach (int i in intArray)
{
sum2 += Mathf.Pow(i - mean, 2);
}
float stdev = Mathf.Sqrt(sum2 / intList.Count);
Assert.Less(stdev, mean);
Assert.Greater(stdev, 0);
}