public unsafe void EntityDiffer_GetChanges_BlobAssets_SetComponent_TypeMemoryOrdering()
{
using (var differ = new EntityManagerDiffer(SrcEntityManager, Allocator.TempJob))
{
var blobAssetReferences = new NativeArray <BlobAssetReference <int> >(100, Allocator.Temp);
for (var i = 0; i < blobAssetReferences.Length; i++)
{
// Construct the archetype in an order which will NOT match the memory order.
var archetype = SrcEntityManager.CreateArchetype(
typeof(EntityGuid),
typeof(EcsTestDataBlobAssetRef),
typeof(EcsTestData4));
// Validate the assumption that the archetype is created in this way.
Assert.That(archetype.Archetype->TypeMemoryOrder[0], Is.EqualTo(0));
Assert.That(archetype.Archetype->TypeMemoryOrder[1], Is.EqualTo(2));
Assert.That(archetype.Archetype->TypeMemoryOrder[2], Is.EqualTo(1));
// Validate the component sizes are different
Assert.That(UnsafeUtility.SizeOf <EcsTestDataBlobAssetRef>(), Is.Not.EqualTo(UnsafeUtility.SizeOf <EcsTestData4>()));
var entity = SrcEntityManager.CreateEntity(archetype);
blobAssetReferences[i] = BlobAssetReference <int> .Create(i);
SrcEntityManager.SetComponentData(entity, CreateEntityGuid());
SrcEntityManager.SetComponentData(entity, new EcsTestData4());
SrcEntityManager.SetComponentData(entity, new EcsTestDataBlobAssetRef
{
value = blobAssetReferences[i]
});
}
try
{
using (var changes = differ.GetChanges(EntityManagerDifferOptions.Default, Allocator.Temp))
{
Assert.IsTrue(changes.HasForwardChangeSet);
var forward = changes.ForwardChangeSet;
Assert.That(forward.CreatedBlobAssets.Length, Is.EqualTo(100));
Assert.That(forward.BlobAssetReferenceChanges.Length, Is.EqualTo(100));
Assert.That(forward.BlobAssetData.Length, Is.EqualTo(sizeof(int) * 100));
}
}
finally
{
for (var i = 0; i < blobAssetReferences.Length; i++)
{
blobAssetReferences[i].Dispose();
}
blobAssetReferences.Dispose();
}
}
}