public void HashUtility_ZeroPadding_EntityWithBufferEndToEnd_HasExpectedHash()
{
using (var world = new World("HashUtilityTests_BufferTestWorld"))
{
var bufferElement = new HashUtilityTest_BufferElement {
Offset0 = true, Offset4 = 0xBeef
};
var entity = world.EntityManager.CreateEntity();
var buffer = world.EntityManager.AddBuffer <HashUtilityTest_BufferElement>(entity);
buffer.Add(bufferElement);
using (var chunks = world.EntityManager.GetAllChunks(Allocator.Persistent))
{
Assert.AreEqual(chunks.Length, 1);
var chunk = chunks[0];
using (var types = chunk.GetNonzeroComponentTypes(Allocator.Persistent))
{
Assert.AreEqual(types.Length, 2 /* Entity, HashUtilityTest_BufferElement */);
using (var _ = new NativeArray <uint>(3, Allocator.Persistent))
{
var hashes = _;
hashes[0] = HashUtility.GetDenseHash(NativeViewUtility.GetView(ref entity), SeedForTesting);
var mask = NativeViewUtility.GetReadView(Masks.GetTypeMask <HashUtilityTest_BufferElement>());
var bufferHash = HashUtility.GetMaskedHash(NativeViewUtility.GetView(ref bufferElement), mask, SeedForTesting);
hashes[1] = HashUtility.GetDenseHash(NativeViewUtility.GetView(ref bufferHash), SeedForTesting);
hashes[2] = HashUtility.GetChunkHeaderHash(chunk, SeedForTesting);
using (var expected = HashUtility.GetChunkHashes(chunk, MaskedHasher, SeedForTesting))
{
Assert.That(hashes, Is.EquivalentTo(expected), DeterminismTestUtility.PrintAll(hashes, expected));
}
}
}
}
}
}
static uint MimicChunkedLocalToWorldHash(LocalToWorld ltw, uint seed)
{
var h = HashUtility.GetDenseHash(NativeViewUtility.GetView(ref ltw), seed);
return(HashUtility.GetDenseHash(NativeViewUtility.GetView(ref h), seed));
}
