/// <inheritdoc/>
public byte[] NextBytes(int length)
{
var result = new byte[length];
_random.FillBytes(result, 0, length);
return(result);
}
public void Test()
{
XoShiRo256StarStar random = null;
var seed = new List <ulong>();
uint?uintValue; ulong?ulongValue; float?floatValue; double?doubleValue; byte?byteValue;
var lines = File.ReadAllLines("Fixtures/xoshiro256starstar.out")
.Select(line => line.Trim())
.ToArray();
for (var i = 0; i < lines.Length; i++)
{
if (string.IsNullOrWhiteSpace(lines[i]) || lines[i].StartsWith("#") || lines[i].StartsWith("//"))
{
continue;
}
else if (lines[i].StartsWith("Seed"))
{
seed = new List <ulong>();
while ((ulongValue = lines[++i].Replace("0x", "").ParseToULong(NumberStyles.HexNumber, CultureInfo.CurrentCulture)) != null)
{
seed.Add(ulongValue.Value);
}
}
else if (lines[i].StartsWith("Integers"))
{
random = new XoShiRo256StarStar(seed.ToArray());
while ((uintValue = lines[++i].Replace("0x", "").ParseToUInt(NumberStyles.HexNumber, CultureInfo.CurrentCulture)) != null)
{
random.NextUInt().Should().Be(uintValue.Value, $"At line {i+1}, random should generate uint value {uintValue}");
}
}
else if (lines[i].StartsWith("Longs"))
{
random = new XoShiRo256StarStar(seed.ToArray());
while ((ulongValue = lines[++i].Replace("0x", "").ParseToULong(NumberStyles.HexNumber, CultureInfo.CurrentCulture)) != null)
{
random.NextULong().Should().Be(ulongValue.Value, $"At line {i+1}, random should generate ulong value {ulongValue}");
}
}
else if (lines[i].StartsWith("Floats"))
{
random = new XoShiRo256StarStar(seed.ToArray());
while ((floatValue = lines[++i].ParseToFloat()) != null)
{
random.NextFloat().Should().BeApproximately(floatValue.Value, float.Epsilon, $"At line {i+1}, random should generate float value {floatValue}");
}
}
else if (lines[i].StartsWith("Doubles"))
{
random = new XoShiRo256StarStar(seed.ToArray());
while ((doubleValue = lines[++i].ParseToDouble()) != null)
{
random.NextDouble().Should().BeApproximately(doubleValue.Value, double.Epsilon, $"At line {i+1}, random should generate double value {doubleValue}");
}
}
else if (lines[i].StartsWith("Bytes"))
{
random = new XoShiRo256StarStar(seed.ToArray());
var expectedBytes = new List <byte>();
while ((byteValue = lines[++i].Replace("0x", "").ParseToByte(NumberStyles.HexNumber, CultureInfo.CurrentCulture)) != null)
{
expectedBytes.Add(byteValue.Value);
}
var randomBytes = new byte[expectedBytes.Count];
random.FillBytes(randomBytes);
randomBytes.Should().BeEquivalentTo(expectedBytes);
}
}
}