public void TestSuiteFromApache()
{
// this is seed from tests of Apache' Commons-RNG
// https://gitbox.apache.org/repos/asf?p=commons-rng.git;a=blob;f=commons-rng-core/src/test/java/org/apache/commons/rng/core/source64/XoShiRo256StarStarTest.java;h=5c7abdf4afb860e16b10a0d92a873c7ae57805f7;hb=HEAD
var random = new XoShiRo256StarStar(0x012de1babb3c4104L, 0xa5a818b8fc5aa503L, 0xb124ea2b701f4993L, 0x18e0374933d8c782L);
ulong[] EXPECTED_SEQUENCE =
{
0x462c422df780c48eL, 0xa82f1f6031c183e6L, 0x8a113820e8d2ca8dL, 0x1ac7023a26534958L,
0xac8e41d0101e109cL, 0x46e34bc13edd63c4L, 0x3a26776adcd665c3L, 0x9ac6c9bea8fc518cL,
0x1cef0aa07cc738c4L, 0x5136a5f070244b1dL, 0x12e2e12edee691ffL, 0x28942b20799b71b4L,
0xbe2d5c4267af2469L, 0x9dbec53728b2b9b7L, 0x893cf86611b14a96L, 0x712c226c79f066d6L,
0x1a8a11ef81d2ac60L, 0x28171739ef8f2f46L, 0x073baa93525f8b1dL, 0xa73c7f3cb93df678L,
0xae5633ab977a3531L, 0x25314041ba2d047eL, 0x31e6819dea142672L, 0x9479fa694f4c2965L,
0xde5b771a968472b7L, 0xf0501965d9eeb4a3L, 0xef25a2a8ec90b911L, 0x1f58f71a75392659L,
0x32d9547188781f3cL, 0x2d13b036ccf65bc0L, 0x289f9cc038dd952fL, 0x6ae2d5231e50824aL,
0x75651acfb42ab170L, 0x7369aeb4f10056cfL, 0x0297ed632a97cf75L, 0x19f534c778015b72L,
0x5d1d111c5ff182a8L, 0x861cdfe8e8014b96L, 0x07c6071e08112c83L, 0x15601582dcf4e4feL,
};
for (var i = 0; i < EXPECTED_SEQUENCE.Length; i++)
{
random.NextULong().Should().Be(EXPECTED_SEQUENCE[i], $"At sequence {i}, random should generate ulong value {EXPECTED_SEQUENCE[i]}");
}
}
/// <inheritdoc/> public ulong NextULong() => _random.NextULong();
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);
}
}
}