public void Powers_PowersOfTwo_RandomTests()
{
var rand = new Random();
Func <int, BigInteger[]> myPowersOfTwo = delegate(int n)
{
return(Enumerable.Range(0, n + 1).Select(a => BigInteger.Pow(2, a)).ToArray());
};
var shuffle = Enumerable.Range(0, 201).OrderBy(a => rand.Next(-1, 2));
shuffle.ToList().ForEach(n =>
{
Assert.AreEqual(myPowersOfTwo(n), Powers.PowersOfTwo(n));
});
}
public void Powers_PowersOfTwo_BasicTests()
{
Assert.AreEqual(new BigInteger[] { 1 }, Powers.PowersOfTwo(0));
Assert.AreEqual(new BigInteger[] { 1, 2 }, Powers.PowersOfTwo(1));
Assert.AreEqual(new BigInteger[] { 1, 2, 4, 8, 16 }, Powers.PowersOfTwo(4));
}