unsafe public void DiffArchetype_EmptyEmpty()
{
var before = m_Manager.CreateArchetype();
var after = m_Manager.CreateArchetype();
var added = stackalloc int[after.TypesCount];
var removed = stackalloc int[before.TypesCount];
EntityArchetype.CalculateDifference(before, after, added, out var addedTypesCount, removed, out var removedTypesCount);
Assert.AreEqual(0, removedTypesCount);
Assert.AreEqual(0, addedTypesCount);
}
unsafe public void DiffArchetype_RemoveEmpty()
{
var before = m_Manager.CreateArchetype(typeof(EcsTestData), typeof(EcsTestData2));
var after = m_Manager.CreateArchetype();
var added = stackalloc int[after.TypesCount];
var removed = stackalloc int[before.TypesCount];
EntityArchetype.CalculateDifference(before, after, added, out var addedTypesCount, removed, out var removedTypesCount);
Assert.AreEqual(2, removedTypesCount);
Assert.AreEqual(TypeManager.GetTypeIndex(typeof(EcsTestData)), removed[0]);
Assert.AreEqual(TypeManager.GetTypeIndex(typeof(EcsTestData2)), removed[1]);
Assert.AreEqual(0, addedTypesCount);
}
