public void NonNullable()
{
var seedSource = new StepRng(0);
var rngFactory = new StepRng.Factory(increment: 0);
Assert.Throws <ArgumentNullException>(() => RngSeeder.Create <StepRng, StepRng, UInt64>(rngFactory, null !));
Assert.Throws <ArgumentNullException>(() => RngSeeder.Create <StepRng, StepRng, UInt64>(null !, seedSource));
Assert.Throws <ArgumentNullException>(() => RngSeeder.Create <StepRng, StepRng, UInt64>(null !, null !));
Assert.Throws <ArgumentNullException>(() => RngSeeder.Create <StepRng, StepRng>(null !));
}
public void Shuffle()
{
var list = new List <Int32> {
1, 2, 3, 4, 5, 6, 7
};
var rng = new StepRng(0)
{
Increment = 0
};
rng.ShuffleInPlace(list);
Assert.Equal(new[] { 2, 3, 4, 5, 6, 7, 1 }, list);
Assert.Throws <ArgumentNullException>(() => rng.ShuffleInPlace <StepRng, Int32>(null !));
}
public void SequentialSeedStaticRng()
{
var seedSource = new StepRng(0);
var rngFactory = new StepRng.Factory(increment: 0);
using var rngSeeder = RngSeeder.Create(rngFactory, seedSource);
for (UInt64 i = 0; i < 10; i++)
{
var rng = rngSeeder.Create();
Assert.Equal(i, rng.NextUInt64());
Assert.Equal(i, rng.NextUInt64());
Assert.Equal(i, rng.NextUInt64());
Assert.Equal(i, rng.NextUInt64());
}
}