public void RandomBitsShouldHaveLeadingZeroBits(int leadingZeroBits, int numberOfBits)
{
var count = 100; // arbitrary
for (var i = 0; i < count; i++)
{
_subject = new EntropyProviderLeadingZeroes(new Random800_90(), leadingZeroBits);
var result = _subject.GetEntropy(numberOfBits);
Assert.AreEqual(BigInteger.Zero, result.GetMostSignificantBits(leadingZeroBits).ToPositiveBigInteger());
}
}
public void ShouldThrowWhenAttemptingToPullLessBitsThanLeadingZeroBits(int leadingZeroBits, int numberOfBits)
{
_subject = new EntropyProviderLeadingZeroes(new Random800_90(), leadingZeroBits);
Assert.Throws <ArgumentOutOfRangeException>(() => _subject.GetEntropy(numberOfBits));
}