public void CanGenerateRandom()
        {
            var seed  = Tuple.Create(123456789u, 362436069u, 521288629u, 88675123u);
            var state = RNG.CreateState(RNG.XorshiftPrng, seed);
            var r1    = RandomModule.Next(RNG.RawBits, state);
            var r2    = RandomModule.Next(RNG.RawBits, r1.Item2);

            Assert.That(r2.Item1, Is.Not.EqualTo(r1.Item1));
        }
        public void CanUseSelectManyQueryExpression()
        {
            var g = from x in RNG.RawBits
                    from y in RNG.RawBits
                    let z = x ^ y
                            select z + 1uL;
            var actual    = RandomModule.Get(g, UtilityModule.DefaultState);
            var expectedX = RandomModule.Next(RNG.RawBits, UtilityModule.DefaultState);
            var expectedY = RandomModule.Next(RNG.RawBits, expectedX.Item2);

            Assert.That(actual, Is.EqualTo((expectedX.Item1 ^ expectedY.Item1) + 1uL));
        }