public unsafe void RehashUInt()
{
foreach (uint seed in RandomUints(RandomCycleCount))
{
foreach (uint message in RandomUints(RandomCycleCount))
{
uint copy = message;
uint *p = ©
Assert.Equal(SpookyHash.Hash32(p, 4, seed), message.Rehash(seed));
}
}
foreach (uint message in RandomUints(RandomCycleCount))
{
uint copy = message;
uint *p = ©
Assert.Equal(SpookyHash.Hash32(p, 4, 0xDEADBEEF), message.Rehash());
}
}
public unsafe void Hash32PtrOverloads()
{
uint seed = 238929482;
string testString = "This is a test string";
fixed(void *ptr = testString)
{
int len = testString.Length * 2;
uint hc = SpookyHash.Hash32(ptr, len, seed);
Assert.Equal(hc, SpookyHash.Hash32((UIntPtr)ptr, len, seed));
Assert.Equal((int)hc, SpookyHash.Hash32((UIntPtr)ptr, len, (int)seed));
Assert.Equal(hc, SpookyHash.Hash32((IntPtr)ptr, len, seed));
Assert.Equal((int)hc, SpookyHash.Hash32((IntPtr)ptr, len, (int)seed));
}
Assert.Equal(0U, SpookyHash.Hash32(UIntPtr.Zero, 50, seed));
Assert.Equal(0, SpookyHash.Hash32(UIntPtr.Zero, 50, (int)seed));
Assert.Equal(0U, SpookyHash.Hash32(IntPtr.Zero, 50, seed));
Assert.Equal(0, SpookyHash.Hash32(IntPtr.Zero, 50, (int)seed));
}
public unsafe void RehashInt()
{
foreach (int seed in RandomInts(RandomCycleCount))
{
foreach (int message in RandomInts(RandomCycleCount))
{
int copy = message;
int *p = ©
unchecked
{
Assert.Equal((int)SpookyHash.Hash32(p, 4, (uint)seed), message.Rehash(seed));
}
}
}
foreach (int message in RandomInts(RandomCycleCount))
{
int copy = message;
int *p = ©
unchecked
{
Assert.Equal((int)SpookyHash.Hash32(p, 4, 0xDEADBEEF), message.Rehash());
}
}
}
public unsafe void KnownValues()
{
uint[] expected =
{
0x6bf50919, 0x70de1d26, 0xa2b37298, 0x35bc5fbf, 0x8223b279, 0x5bcb315e, 0x53fe88a1, 0xf9f1a233,
0xee193982, 0x54f86f29, 0xc8772d36, 0x9ed60886, 0x5f23d1da, 0x1ed9f474, 0xf2ef0c89, 0x83ec01f9,
0xf274736c, 0x7e9ac0df, 0xc7aed250, 0xb1015811, 0xe23470f5, 0x48ac20c4, 0xe2ab3cd5, 0x608f8363,
0xd0639e68, 0xc4e8e7ab, 0x863c7c5b, 0x4ea63579, 0x99ae8622, 0x170c658b, 0x149ba493, 0x027bca7c,
0xe5cfc8b6, 0xce01d9d7, 0x11103330, 0x5d1f5ed4, 0xca720ecb, 0xef408aec, 0x733b90ec, 0x855737a6,
0x9856c65f, 0x647411f7, 0x50777c74, 0xf0f1a8b7, 0x9d7e55a5, 0xc68dd371, 0xfc1af2cc, 0x75728d0a,
0x390e5fdc, 0xf389b84c, 0xfb0ccf23, 0xc95bad0e, 0x5b1cb85a, 0x6bdae14f, 0x6deb4626, 0x93047034,
0x6f3266c6, 0xf529c3bd, 0x396322e7, 0x3777d042, 0x1cd6a5a2, 0x197b402e, 0xc28d0d2b, 0x09c1afb4,
0x069c8bb7, 0x6f9d4e1e, 0xd2621b5c, 0xea68108d, 0x8660cb8f, 0xd61e6de6, 0x7fba15c7, 0xaacfaa97,
0xdb381902, 0x4ea22649, 0x5d414a1e, 0xc3fc5984, 0xa0fc9e10, 0x347dc51c, 0x37545fb6, 0x8c84b26b,
0xf57efa5d, 0x56afaf16, 0xb6e1eb94, 0x9218536a, 0xe3cc4967, 0xd3275ef4, 0xea63536e, 0x6086e499,
0xaccadce7, 0xb0290d82, 0x4ebfd0d6, 0x46ccc185, 0x2eeb10d3, 0x474e3c8c, 0x23c84aee, 0x3abae1cb,
0x1499b81a, 0xa2993951, 0xeed176ad, 0xdfcfe84c, 0xde4a961f, 0x4af13fe6, 0xe0069c42, 0xc14de8f5,
0x6e02ce8f, 0x90d19f7f, 0xbca4a484, 0xd4efdd63, 0x780fd504, 0xe80310e3, 0x03abbc12, 0x90023849,
0xd6f6fb84, 0xd6b354c5, 0x5b8575f0, 0x758f14e4, 0x450de862, 0x90704afb, 0x47209a33, 0xf226b726,
0xf858dab8, 0x7c0d6de9, 0xb05ce777, 0xee5ff2d4, 0x7acb6d5c, 0x2d663f85, 0x41c72a91, 0x82356bf2,
0x94e948ec, 0xd358d448, 0xeca7814d, 0x78cd7950, 0xd6097277, 0x97782a5d, 0xf43fc6f4, 0x105f0a38,
0x9e170082, 0x4bfe566b, 0x4371d25f, 0xef25a364, 0x698eb672, 0x74f850e4, 0x4678ff99, 0x4a290dc6,
0x3918f07c, 0x32c7d9cd, 0x9f28e0af, 0x0d3c5a86, 0x7bfc8a45, 0xddf0c7e1, 0xdeacb86b, 0x970b3c5c,
0x5e29e199, 0xea28346d, 0x6b59e71b, 0xf8a8a46a, 0x862f6ce4, 0x3ccb740b, 0x08761e9e, 0xbfa01e5f,
0xf17cfa14, 0x2dbf99fb, 0x7a0be420, 0x06137517, 0xe020b266, 0xd25bfc61, 0xff10ed00, 0x42e6be8b,
0x029ef587, 0x683b26e0, 0xb08afc70, 0x7c1fd59e, 0xbaae9a70, 0x98c8c801, 0xb6e35a26, 0x57083971,
0x90a6a680, 0x1b44169e, 0x1dce237c, 0x518e0a59, 0xccb11358, 0x7b8175fb, 0xb8fe701a, 0x10d259bb,
0xe806ce10, 0x9212be79, 0x4604ae7b, 0x7fa22a84, 0xe715b13a, 0x0394c3b2, 0x11efbbae, 0xe13d9e19,
0x77e012bd, 0x2d05114c, 0xaecf2ddd, 0xb2a2b4aa, 0xb9429546, 0x55dce815, 0xc89138f8, 0x46dcae20,
0x1f6f7162, 0x0c557ebc, 0x5b996932, 0xafbbe7e2, 0xd2bd5f62, 0xff475b9f, 0x9cec7108, 0xeaddcffb,
0x5d751aef, 0xf68f7bdf, 0xf3f4e246, 0x00983fcd, 0x00bc82bb, 0xbf5fd3e7, 0xe80c7e2c, 0x187d8b1f,
0xefafb9a7, 0x8f27a148, 0x5c9606a9, 0xf2d2be3e, 0xe992d13a, 0xe4bcd152, 0xce40b436, 0x63d6a1fc,
0xdc1455c4, 0x64641e39, 0xd83010c9, 0x2d535ae0, 0x5b748f3e, 0xf9a9146b, 0x80f10294, 0x2859acd4,
0x5fc846da, 0x56d190e9, 0x82167225, 0x98e4daba, 0xbf7865f3, 0x00da7ae4, 0x9b7cd126, 0x644172f8,
0xde40c78f, 0xe8803efc, 0xdd331a2b, 0x48485c3c, 0x4ed01ddc, 0x9c0b2d9e, 0xb1c6e9d7, 0xd797d43c,
0x274101ff, 0x3bf7e127, 0x91ebbc56, 0x7ffeb321, 0x4d42096f, 0xd6e9456a, 0x0bade318, 0x2f40ee0b,
0x38cebf03, 0x0cbc2e72, 0xbf03e704, 0x7b3e7a9a, 0x8e985acd, 0x90917617, 0x413895f8, 0xf11dde04,
0xc66f8244, 0xe5648174, 0x6c420271, 0x2469d463, 0x2540b033, 0xdc788e7b, 0xe4140ded, 0x0990630a,
0xa54abed4, 0x6e124829, 0xd940155a, 0x1c8836f6, 0x38fda06c, 0x5207ab69, 0xf8be9342, 0x774882a8,
0x56fc0d7e, 0x53a99d6e, 0x8241f634, 0x9490954d, 0x447130aa, 0x8cc4a81f, 0x0868ec83, 0xc22c642d,
0x47880140, 0xfbff3bec, 0x0f531f41, 0xf845a667, 0x08c15fb7, 0x1996cd81, 0x86579103, 0xe21dd863,
0x513d7f97, 0x3984a1f1, 0xdfcdc5f4, 0x97766a5e, 0x37e2b1da, 0x41441f3f, 0xabd9ddba, 0x23b755a9,
0xda937945, 0x103e650e, 0x3eef7c8f, 0x2760ff8d, 0x2493a4cd, 0x1d671225, 0x3bf4bd4c, 0xed6e1728,
0xc70e9e30, 0x4e05e529, 0x928d5aa6, 0x164d0220, 0xb5184306, 0x4bd7efb3, 0x63830f11, 0xf3a1526c,
0xf1545450, 0xd41d5df5, 0x25a5060d, 0x77b368da, 0x4fe33c7e, 0xeae09021, 0xfdb053c4, 0x2930f18d,
0xd37109ff, 0x8511a781, 0xc7e7cdd7, 0x6aeabc45, 0xebbeaeaa, 0x9a0c4f11, 0xda252cbb, 0x5b248f41,
0x5223b5eb, 0xe32ab782, 0x8e6a1c97, 0x11d3f454, 0x3e05bd16, 0x0059001d, 0xce13ac97, 0xf83b2b4c,
0x71db5c9a, 0xdc8655a6, 0x9e98597b, 0x3fcae0a2, 0x75e63ccd, 0x076c72df, 0x4754c6ad, 0x26b5627b,
0xd818c697, 0x998d5f3d, 0xe94fc7b2, 0x1f49ad1a, 0xca7ff4ea, 0x9fe72c05, 0xfbd0cbbf, 0xb0388ceb,
0xb76031e3, 0xd0f53973, 0xfb17907c, 0xa4c4c10f, 0x9f2d8af9, 0xca0e56b0, 0xb0d9b689, 0xfcbf37a3,
0xfede8f7d, 0xf836511c, 0x744003fc, 0x89eba576, 0xcfdcf6a6, 0xc2007f52, 0xaaaf683f, 0x62d2f9ca,
0xc996f77f, 0x77a7b5b3, 0x8ba7d0a4, 0xef6a0819, 0xa0d903c0, 0x01b27431, 0x58fffd4c, 0x4827f45c,
0x44eb5634, 0xae70edfc, 0x591c740b, 0x478bf338, 0x2f3b513b, 0x67bf518e, 0x6fef4a0c, 0x1e0b6917,
0x5ac0edc5, 0x2e328498, 0x077de7d5, 0x5726020b, 0x2aeda888, 0x45b637ca, 0xcf60858d, 0x3dc91ae2,
0x3e6d5294, 0xe6900d39, 0x0f634c71, 0x827a5fa4, 0xc713994b, 0x1c363494, 0x3d43b615, 0xe5fe7d15,
0xf6ada4f2, 0x472099d5, 0x04360d39, 0x7f2a71d0, 0x88a4f5ff, 0x2c28fac5, 0x4cd64801, 0xfd78dd33,
0xc9bdd233, 0x21e266cc, 0x9bbf419d, 0xcbf7d81d, 0x80f15f96, 0x04242657, 0x53fb0f66, 0xded11e46,
0xf2fdba97, 0x8d45c9f1, 0x4eeae802, 0x17003659, 0xb9db81a7, 0xe734b1b2, 0x9503c54e, 0xb7c77c3e,
0x271dd0ab, 0xd8b906b5, 0x0d540ec6, 0xf03b86e0, 0x0fdb7d18, 0x95e261af, 0xad9ec04e, 0x381f4a64,
0xfec798d7, 0x09ea20be, 0x0ef4ca57, 0x1e6195bb, 0xfd0da78b, 0xcea1653b, 0x157d9777, 0xf04af50f,
0xad7baa23, 0xd181714a, 0x9bbdab78, 0x6c7d1577, 0x645eb1e7, 0xa0648264, 0x35839ca6, 0x2287ef45,
0x32a64ca3, 0x26111f6f, 0x64814946, 0xb0cddaf1, 0x4351c59e, 0x1b30471c, 0xb970788a, 0x30e9f597,
0xd7e58df1, 0xc6d2b953, 0xf5f37cf4, 0x3d7c419e, 0xf91ecb2d, 0x9c87fd5d, 0xb22384ce, 0x8c7ac51c,
0x62c96801, 0x57e54091, 0x964536fe, 0x13d3b189, 0x4afd1580, 0xeba62239, 0xb82ea667, 0xae18d43a,
0xbef04402, 0x1942534f, 0xc54bf260, 0x3c8267f5, 0xa1020ddd, 0x112fcc8a, 0xde596266, 0xe91d0856,
0xf300c914, 0xed84478e, 0x5b65009e, 0x4764da16, 0xaf8e07a2, 0x4088dc2c, 0x9a0cad41, 0x2c3f179b,
0xa67b83f7, 0xf27eab09, 0xdbe10e28, 0xf04c911f, 0xd1169f87, 0x8e1e4976, 0x17f57744, 0xe4f5a33f,
0x27c2e04b, 0x0b7523bd, 0x07305776, 0xc6be7503, 0x918fa7c9, 0xaf2e2cd9, 0x82046f8e, 0xcc1c8250
};
byte[] buf = new byte[BufferSize];
uint[] saw = new uint[BufferSize];
fixed(byte *ptr = buf)
{
for (int i = 0; i != BufferSize; ++i)
{
buf[i] = unchecked ((byte)(i + 128));
saw[i] = SpookyHash.Hash32(ptr, i, 0);
Assert.Equal(expected[i], saw[i]);
}
}
}