public void HashImpl_Multiply_SquaringLargest64BitValue_YieldsExpected128BitResult()
{
var result = Fnv1a128.Multiply(UInt64.MaxValue, UInt64.MaxValue);
Assert.AreEqual(0x0000000000000001, result.x);
Assert.AreEqual(0xfffffffffffffffe, result.y);
}
/// <summary>
/// Computes the FNV-1a 128-bit hash for the specified data.
/// </summary>
/// <param name="data">The data.</param>
/// <returns>The FNV-1a 128-bit hash of the specified data.</returns>
// ReSharper disable once InconsistentNaming
private static string Fnv1a128s(this string data)
{
using (HashAlgorithm alg = new Fnv1a128())
{
string value = new BigInteger(alg.ComputeHash(UTF8.GetBytes(data)).AddZero()).ToString("X32", InvariantCulture);
return("0x" + value.Substring(value.Length - 32));
}
}
/// <summary>
/// Asynchronously computes the FNV-1a 128-bit hash for the specified data.
/// </summary>
/// <param name="data">The data.</param>
/// <returns>An asynchronous <see cref="Task{TResult}"/> containing the FNV-1a 128-bit hash of the specified data.</returns>
// ReSharper disable once InconsistentNaming
private static async Task <string> Fnv1a128sAsync(this string data)
{
using (HashAlgorithm alg = new Fnv1a128())
{
string value = new BigInteger(alg.ComputeHash(UTF8.GetBytes(data)).AddZero()).ToString("X32", InvariantCulture);
return(await Task.FromResult("0x" + value.Substring(value.Length - 32)).ConfigureAwait(false));
}
}
public void HashImpl_Multiply_Multiplying64BitValue_YieldsExpected128BitResult()
{
ulong a = 0xaaaaaaaabcdefeff;
ulong b = 0xeeeeeeeef01234ff;
var result = Fnv1a128.Multiply(a, b);
Assert.AreEqual(0xc731283e6bd9cc01, result.x);
Assert.AreEqual(0x9f49f49f5bb47209, result.y);
}
public void Execute()
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
if (Result.Length != 1)
{
throw new ArgumentException("Result does not have the expected Length of 1");
}
#endif
Result[0] = Fnv1a128.Hash(Data);
}
public void HashContent_HashEmptyArray_YieldsExpectedFnv1a128Hash()
{
using (var array = new NativeArray <byte>(0, Allocator.TempJob))
{
var hash = Fnv1a128.Hash(array);
Assert.AreEqual(0x6295c58d, hash.Value.x);
Assert.AreEqual(0x62b82175, hash.Value.y);
Assert.AreEqual(0x07bb0142, hash.Value.z);
Assert.AreEqual(0x6c62272e, hash.Value.w);
}
}
public void HashContent_HashedArrayLength1ZeroMemory_YieldsExpectedFnv1a128Hash()
{
using (var array = new NativeArray <byte>(1, Allocator.TempJob))
{
var hash = Fnv1a128.Hash(array);
Assert.AreEqual(0x4e4a147f, hash.Value.x);
Assert.AreEqual(0x78912b70, hash.Value.y);
Assert.AreEqual(0x101a8caf, hash.Value.z);
Assert.AreEqual(0xd228cb69, hash.Value.w);
}
}
public void HashContent_HashedArrayLength16ZeroMemory_YieldsExpectedFnv1a128Hash()
{
using (var array = new NativeArray <byte>(16, Allocator.TempJob))
{
var hash = Fnv1a128.Hash(array);
Assert.AreEqual(0x34145e4d, hash.Value.x);
Assert.AreEqual(0x15171638, hash.Value.y);
Assert.AreEqual(0xf705b5ef, hash.Value.z);
Assert.AreEqual(0xf1f90b7b, hash.Value.w);
}
}
public void HashContent_HashedIdentityArrayLength16_YieldsExpectedFnv1a128Hash()
{
using (var array = DeterminismTestUtility.GenerateIdentity(16))
{
var hash = Fnv1a128.Hash(array);
Assert.AreEqual(0x3cb989fd, hash.Value.x);
Assert.AreEqual(0x8177f0c9, hash.Value.y);
Assert.AreEqual(0x93cff23f, hash.Value.z);
Assert.AreEqual(0x2f57eaee, hash.Value.w);
}
}
public void HashImpl_MultiplyModMax_SquaringLargest128BitValue_YieldsExcepted128BitModulusResultResult()
{
var uint128Max = new Fnv1a128.ulong2
{
x = UInt64.MaxValue,
y = UInt64.MaxValue
};
var result = Fnv1a128.MultiplyMod(uint128Max, uint128Max);
Assert.AreEqual(1, result.x);
Assert.AreEqual(0, result.y);
}
public static Hash128 HashContentNonbursted(NativeArray <byte> data) => Fnv1a128.Hash(data);
