public void SingleBlockXxh64UsingSpanMatchesTheirs(string text)
{
var input = System.Text.Encoding.UTF8.GetBytes(text);
var expected = Theirs64(input);
var actual = XXHash64.DigestOf(input.AsSpan());
Assert.Equal(expected, actual);
}
public void HashMatchesPregeneratedHashesForSmallBlocks(int length, ulong expected)
{
var bytes = new byte[length];
for (var i = 0; i < bytes.Length; i++)
{
bytes[i] = (byte)i;
}
var actual = XXHash64.DigestOf(bytes, 0, bytes.Length);
var confirm = Theirs64(bytes);
Assert.Equal(expected, confirm);
Assert.Equal(expected, actual);
}
public void CalculatingHashInChunksReturnsSameResultAsInOneGo(int length, int chuck)
{
var bytes = new byte[length];
var random = new Random(0);
random.NextBytes(bytes);
var transform = new XXHash64();
var i = 0;
while (i < length)
{
var l = Math.Min(chuck, length - i);
transform.Update(bytes, i, l);
i += l;
}
Assert.Equal(XXHash64.DigestOf(bytes, 0, bytes.Length), transform.Digest());
}
public unsafe void EmptyHash()
{
var input = Array.Empty <byte>();
var expected = Theirs64(input);
var actual1 = XXHash64.DigestOf(input, 0, input.Length);
Assert.Equal(expected, actual1);
fixed(byte *inputPtr = input)
{
var actual2 = XXHash64.DigestOf(inputPtr, 0);
Assert.Equal(expected, actual2);
}
var actual3 = XXHash64.EmptyHash;
Assert.Equal(expected, actual3);
}