public unsafe void TestPieces()
{
var bufArr = new byte[BufferSize];
for (int i = 0; i < BufferSize; ++i)
{
bufArr[i] = unchecked((byte)i);
}
for (int i = 0; i < BufferSize; ++i)
{
ulong a, b, c, d, seed1 = 1, seed2 = 2;
var state = new SpookyHash();
// all as one call
a = seed1;
b = seed2;
fixed(byte* buf = bufArr)
SpookyHash.Hash128(buf, i, ref a, ref b);
// all as one piece
c = 0xdeadbeefdeadbeef;
d = 0xbaceba11baceba11;
state.Init(seed1, seed2);
fixed(byte* buf = bufArr)
state.Update(buf, i);
state.Final(out c, out d);
Assert.Equal(a, c);
Assert.Equal(b, d);
for (int j = 0; j < i; ++j)
{
c = seed1;
d = seed2;
state.Init(c, d);
fixed(byte* buf = bufArr)
{
state.Update(buf, j);
state.Update(buf + j, i - j);
}
state.Final(out c, out d);
Assert.Equal(a, c);
Assert.Equal(b, d);
}
}
}
public void ConstructorsEquivalent()
{
ulong ui1 = 0xdeadcafe;
ulong ui2 = 0xbaceba11;
var fromU = new SpookyHash(ui1, ui2);
var fromZU = new SpookyHash();
fromZU.Init(ui1, ui2);
long l1 = unchecked((long)ui1);
long l2 = unchecked((long)ui2);
var fromL = new SpookyHash(l1, l2);
var fromZL = new SpookyHash();
fromZL.Init(l1, l2);
fromU.Update(MediumLengthString);
fromZU.Update(MediumLengthString);
fromL.Update(MediumLengthString);
fromZL.Update(MediumLengthString);
var hash = fromU.Final();
Assert.Equal(hash, fromZU.Final());
Assert.Equal(hash, fromL.Final());
Assert.Equal(hash, fromZL.Final());
Assert.Equal(hash.ToString(), fromZL.Final().ToString());
}