527 lines
20 KiB
C#
527 lines
20 KiB
C#
using System;
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using AOT;
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using NUnit.Framework;
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using Unity.Burst;
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using Unity.Collections;
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using Unity.Collections.LowLevel.Unsafe;
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using Unity.Jobs;
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using Unity.Mathematics;
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using Unity.Jobs.LowLevel.Unsafe;
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using Unity.Collections.Tests;
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internal class CustomAllocatorTests : CollectionsTestCommonBase
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{
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[TestCase(1337, 1337)]
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[TestCase(0xFFFF, 0x0000)]
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[TestCase(0x0000, 0xFFFF)]
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[TestCase(0xFFFF, 0xFFFF)]
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[TestCase(0x0000, 0x0000)]
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public void AllocatorHandleToAllocatorRoundTripWorks(int i, int v)
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{
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var Index = (ushort)i;
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var Version = (ushort)v;
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AllocatorManager.AllocatorHandle srcHandle = new AllocatorManager.AllocatorHandle{ Index = Index, Version = Version };
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Allocator srcAllocator = srcHandle.ToAllocator;
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AllocatorManager.AllocatorHandle destHandle = AllocatorManager.ConvertToAllocatorHandle(srcAllocator);
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Assert.AreEqual(srcHandle.Index, destHandle.Index);
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Assert.AreEqual(srcHandle.Version, destHandle.Version);
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Allocator destAllocator = destHandle.ToAllocator;
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Assert.AreEqual(srcAllocator, destAllocator);
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}
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[Test]
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public void AllocatorVersioningWorks()
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{
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AllocatorManager.Initialize();
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var origin = AllocatorManager.Persistent;
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var storage = origin.AllocateBlock(default(byte), 100000); // allocate a block of bytes from Malloc.Persistent
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for(var i = 1; i <= 3; ++i)
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{
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var allocatorHelper = new AllocatorHelper<AllocatorManager.StackAllocator>(AllocatorManager.Persistent);
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ref var allocator = ref allocatorHelper.Allocator;
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allocator.Initialize(storage);
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var oldIndex = allocator.Handle.Index;
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var oldVersion = allocator.Handle.Version;
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allocator.Dispose();
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#if ENABLE_UNITY_COLLECTIONS_CHECKS
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var newVersion = AllocatorManager.SharedStatics.Version.Ref.Data.ElementAt(oldIndex);
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Assert.AreEqual(oldVersion + 1, newVersion);
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#endif
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allocatorHelper.Dispose();
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}
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storage.Dispose();
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AllocatorManager.Shutdown();
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}
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[Test]
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public void ReleasingChildHandlesWorks()
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{
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AllocatorManager.Initialize();
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var origin = AllocatorManager.Persistent;
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var storage = origin.AllocateBlock(default(byte), 100000); // allocate a block of bytes from Malloc.Persistent
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var allocatorHelper = new AllocatorHelper<AllocatorManager.StackAllocator>(AllocatorManager.Persistent);
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ref var allocator = ref allocatorHelper.Allocator;
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allocator.Initialize(storage);
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var list = NativeList<int>.New(10, ref allocator);
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list.Add(0); // put something in the list, so it'll have a size for later
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allocator.Dispose(); // ok to tear down the storage that the stack allocator used, too.
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#if ENABLE_UNITY_COLLECTIONS_CHECKS
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Assert.Throws<ObjectDisposedException>(
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() => {
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list[0] = 0; // we haven't disposed this list, but it was released automatically already. so this is an error.
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});
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#endif
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storage.Dispose();
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allocatorHelper.Dispose();
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AllocatorManager.Shutdown();
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}
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[Test]
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public unsafe void ReleasingChildAllocatorsWorks()
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{
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AllocatorManager.Initialize();
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var origin = AllocatorManager.Persistent;
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var parentStorage = origin.AllocateBlock(default(byte), 100000); // allocate a block of bytes from Malloc.Persistent
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var parentHelper = new AllocatorHelper<AllocatorManager.StackAllocator>(AllocatorManager.Persistent);
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ref var parent = ref parentHelper.Allocator;
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parent.Initialize(parentStorage); // and make a stack allocator from it
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var childStorage = parent.AllocateBlock(default(byte), 10000); // allocate some space from the parent
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var childHelper = new AllocatorHelper<AllocatorManager.StackAllocator>(AllocatorManager.Persistent);
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childHelper.Allocator.Initialize(childStorage); // and make a stack allocator from it
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parent.Dispose(); // tear down the parent allocator
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#if ENABLE_UNITY_COLLECTIONS_CHECKS || UNITY_DOTS_DEBUG
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Assert.Throws<ArgumentException>(() =>
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{
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childHelper.Allocator.Allocate(default(byte), 1000); // try to allocate from the child - it should fail.
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});
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#endif
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parentStorage.Dispose();
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parentHelper.Dispose();
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childHelper.Dispose();
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AllocatorManager.Shutdown();
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}
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[Test]
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public void AllocatesAndFreesFromMono()
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{
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AllocatorManager.Initialize();
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const int kLength = 100;
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var expectedAlignment = math.max(JobsUtility.CacheLineSize, UnsafeUtility.AlignOf<int>());
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for (int i = 0; i < kLength; ++i)
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{
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var allocator = AllocatorManager.Persistent;
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var block = allocator.AllocateBlock(default(int), i);
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if(i != 0)
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Assert.AreNotEqual(IntPtr.Zero, block.Range.Pointer);
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Assert.AreEqual(i, block.Range.Items);
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Assert.AreEqual(UnsafeUtility.SizeOf<int>(), block.BytesPerItem);
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Assert.AreEqual(expectedAlignment, block.Alignment);
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Assert.AreEqual(AllocatorManager.Persistent.Value, block.Range.Allocator.Value);
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allocator.FreeBlock(ref block);
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}
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AllocatorManager.Shutdown();
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}
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[BurstCompile(CompileSynchronously = true)]
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struct AllocateJob : IJobParallelFor
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{
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public NativeArray<AllocatorManager.Block> m_blocks;
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public void Execute(int index)
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{
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var allocator = AllocatorManager.Persistent;
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m_blocks[index] = allocator.AllocateBlock(default(int), index);
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}
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}
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[BurstCompile(CompileSynchronously = true)]
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struct FreeJob : IJobParallelFor
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{
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public NativeArray<AllocatorManager.Block> m_blocks;
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public void Execute(int index)
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{
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var temp = m_blocks[index];
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temp.Free();
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m_blocks[index] = temp;
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}
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}
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[Test]
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public void AllocatesAndFreesFromBurst()
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{
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AllocatorManager.Initialize();
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const int kLength = 100;
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var blocks = new NativeArray<AllocatorManager.Block>(kLength, Allocator.Persistent);
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var allocateJob = new AllocateJob();
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allocateJob.m_blocks = blocks;
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allocateJob.Schedule(kLength, 1).Complete();
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var expectedAlignment = math.max(JobsUtility.CacheLineSize, UnsafeUtility.AlignOf<int>());
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for (int i = 0; i < kLength; ++i)
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{
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var block = allocateJob.m_blocks[i];
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if(i != 0)
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Assert.AreNotEqual(IntPtr.Zero, block.Range.Pointer);
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Assert.AreEqual(i, block.Range.Items);
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Assert.AreEqual(UnsafeUtility.SizeOf<int>(), block.BytesPerItem);
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Assert.AreEqual(expectedAlignment, block.Alignment);
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Assert.AreEqual(AllocatorManager.Persistent.Value, block.Range.Allocator.Value);
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}
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var freeJob = new FreeJob();
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freeJob.m_blocks = blocks;
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freeJob.Schedule(kLength, 1).Complete();
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for (int i = 0; i < kLength; ++i)
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{
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var block = allocateJob.m_blocks[i];
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Assert.AreEqual(IntPtr.Zero, block.Range.Pointer);
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Assert.AreEqual(0, block.Range.Items);
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Assert.AreEqual(UnsafeUtility.SizeOf<int>(), block.BytesPerItem);
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Assert.AreEqual(expectedAlignment, block.Alignment);
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Assert.AreEqual(AllocatorManager.Persistent.Value, block.Range.Allocator.Value);
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}
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blocks.Dispose();
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AllocatorManager.Shutdown();
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}
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// This allocator wraps UnsafeUtility.Malloc, but also initializes memory to some constant value after allocating.
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[BurstCompile(CompileSynchronously = true)]
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struct ClearToValueAllocator : AllocatorManager.IAllocator
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{
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public AllocatorManager.AllocatorHandle Handle { get { return m_handle; } set { m_handle = value; } }
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public Allocator ToAllocator { get { return m_handle.ToAllocator; } }
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public bool IsCustomAllocator { get { return m_handle.IsCustomAllocator; } }
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internal AllocatorManager.AllocatorHandle m_handle;
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internal AllocatorManager.AllocatorHandle m_parent;
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public byte m_clearValue;
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public void Initialize<T>(byte ClearValue, ref T parent) where T : unmanaged, AllocatorManager.IAllocator
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{
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m_parent = parent.Handle;
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m_clearValue = ClearValue;
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#if ENABLE_UNITY_COLLECTIONS_CHECKS || UNITY_DOTS_DEBUG
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parent.Handle.AddChildAllocator(m_handle);
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#endif
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}
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public unsafe int Try(ref AllocatorManager.Block block)
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{
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var temp = block.Range.Allocator;
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block.Range.Allocator = m_parent;
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var error = AllocatorManager.Try(ref block);
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block.Range.Allocator = temp;
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if (error != 0)
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return error;
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if (block.Range.Pointer != IntPtr.Zero) // if we allocated or reallocated...
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UnsafeUtility.MemSet((void*)block.Range.Pointer, m_clearValue, block.Bytes); // clear to a value.
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return 0;
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}
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[BurstCompile(CompileSynchronously = true)]
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[MonoPInvokeCallback(typeof(AllocatorManager.TryFunction))]
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public static unsafe int Try(IntPtr state, ref AllocatorManager.Block block)
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{
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return ((ClearToValueAllocator*)state)->Try(ref block);
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}
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public AllocatorManager.TryFunction Function => Try;
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public void Dispose()
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{
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m_handle.Dispose();
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}
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}
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[BurstCompile(CompileSynchronously = true)]
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internal struct CountingAllocator : AllocatorManager.IAllocator
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{
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public AllocatorManager.AllocatorHandle Handle { get { return m_handle; } set { m_handle = value; } }
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public Allocator ToAllocator { get { return m_handle.ToAllocator; } }
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public bool IsCustomAllocator { get { return m_handle.IsCustomAllocator; } }
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public AllocatorManager.AllocatorHandle m_handle;
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public int AllocationCount;
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public long Used;
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public bool WasUsed => AllocationCount > 0;
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public bool IsUsed => Used > 0;
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public void Initialize()
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{
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AllocationCount = 0;
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Used = 0;
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#if ENABLE_UNITY_ALLOCATIONS_CHECKS
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AllocatorManager.Persistent.Handle.AddChildAllocator(m_handle);
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#endif
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}
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public int Try(ref AllocatorManager.Block block)
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{
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if (block.Range.Pointer != IntPtr.Zero)
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{
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Used -= block.AllocatedBytes;
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}
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var temp = block.Range.Allocator;
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block.Range.Allocator = AllocatorManager.Persistent;
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var error = AllocatorManager.Try(ref block);
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block.Range.Allocator = temp;
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if (error != 0)
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return error;
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if (block.Range.Pointer != IntPtr.Zero) // if we allocated or reallocated...
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{
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++AllocationCount;
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Used += block.AllocatedBytes;
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}
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return 0;
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}
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[BurstCompile(CompileSynchronously = true)]
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[MonoPInvokeCallback(typeof(AllocatorManager.TryFunction))]
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public static unsafe int Try(IntPtr state, ref AllocatorManager.Block block)
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{
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return ((CountingAllocator*)state)->Try(ref block);
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}
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public AllocatorManager.TryFunction Function => Try;
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public void Dispose()
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{
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m_handle.Dispose();
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}
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}
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[Test]
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public void UserDefinedAllocatorWorks()
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{
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AllocatorManager.Initialize();
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var parent = AllocatorManager.Persistent;
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var allocatorHelper = new AllocatorHelper<ClearToValueAllocator>(AllocatorManager.Persistent);
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ref var allocator = ref allocatorHelper.Allocator;
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allocator.Initialize(0, ref parent);
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var expectedAlignment = math.max(JobsUtility.CacheLineSize, UnsafeUtility.AlignOf<int>());
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for (byte ClearValue = 0; ClearValue < 0xF; ++ClearValue)
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{
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allocator.m_clearValue = ClearValue;
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const int kLength = 100;
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for (int i = 1; i < kLength; ++i)
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{
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var block = allocator.AllocateBlock(default(int), i);
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Assert.AreNotEqual(IntPtr.Zero, block.Range.Pointer);
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Assert.AreEqual(i, block.Range.Items);
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Assert.AreEqual(UnsafeUtility.SizeOf<int>(), block.BytesPerItem);
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Assert.AreEqual(expectedAlignment, block.Alignment);
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allocator.FreeBlock(ref block);
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}
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}
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allocator.Dispose();
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allocatorHelper.Dispose();
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AllocatorManager.Shutdown();
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}
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// this is testing for the case where we want+ to install a stack allocator that itself allocates from a big hunk
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// of memory provided by the default Persistent allocator, and then make allocations on the stack allocator.
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[Test]
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public void StackAllocatorWorks()
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{
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AllocatorManager.Initialize();
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var origin = AllocatorManager.Persistent;
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var backingStorage = origin.AllocateBlock(default(byte), 100000); // allocate a block of bytes from Malloc.Persistent
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var allocatorHelper = new AllocatorHelper<AllocatorManager.StackAllocator>(AllocatorManager.Persistent);
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ref var allocator = ref allocatorHelper.Allocator;
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allocator.Initialize(backingStorage);
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var expectedAlignment = math.max(JobsUtility.CacheLineSize, UnsafeUtility.AlignOf<int>());
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const int kLength = 100;
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for (int i = 1; i < kLength; ++i)
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{
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var block = allocator.AllocateBlock(default(int), i);
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Assert.AreNotEqual(IntPtr.Zero, block.Range.Pointer);
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Assert.AreEqual(i, block.Range.Items);
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Assert.AreEqual(UnsafeUtility.SizeOf<int>(), block.BytesPerItem);
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Assert.AreEqual(expectedAlignment, block.Alignment);
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allocator.FreeBlock(ref block);
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}
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allocator.Dispose();
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backingStorage.Dispose();
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allocatorHelper.Dispose();
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AllocatorManager.Shutdown();
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}
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[Test]
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public void CustomAllocatorNativeListWorksWithoutHandles()
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{
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AllocatorManager.Initialize();
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var allocator = AllocatorManager.Persistent;
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var list = NativeList<byte>.New(100, ref allocator);
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list.Dispose(ref allocator);
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AllocatorManager.Shutdown();
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}
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[Test]
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[TestRequiresDotsDebugOrCollectionChecks]
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public void CustomAllocatorNativeListThrowsWhenAllocatorIsWrong()
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{
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AllocatorManager.Initialize();
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var allocator0 = AllocatorManager.Persistent;
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var list = NativeList<byte>.New(100, ref allocator0);
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Assert.Throws<ArgumentOutOfRangeException>(() =>
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{
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list.Dispose(ref CommonRwdAllocatorHelper.Allocator);
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});
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list.Dispose(ref allocator0);
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AllocatorManager.Shutdown();
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}
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// this is testing for the case where we want to install a custom allocator that clears memory to a constant
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// byte value, and then have an UnsafeList use that custom allocator.
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[Test]
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public void CustomAllocatorUnsafeListWorks()
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{
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AllocatorManager.Initialize();
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var parent = AllocatorManager.Persistent;
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var allocatorHelper = new AllocatorHelper<ClearToValueAllocator>(AllocatorManager.Persistent);
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ref var allocator = ref allocatorHelper.Allocator;
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allocator.Initialize(0xFE, ref parent);
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for (byte ClearValue = 0; ClearValue < 0xF; ++ClearValue)
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{
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allocator.m_clearValue = ClearValue;
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var unsafelist = new UnsafeList<byte>(1, allocator.Handle);
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const int kLength = 100;
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unsafelist.Resize(kLength);
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for (int i = 0; i < kLength; ++i)
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Assert.AreEqual(ClearValue, unsafelist[i]);
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unsafelist.Dispose();
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}
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allocator.Dispose();
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allocatorHelper.Dispose();
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AllocatorManager.Shutdown();
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}
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[Test]
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public unsafe void SlabAllocatorWorks()
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{
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var SlabSizeInBytes = 256;
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var SlabSizeInInts = SlabSizeInBytes / sizeof(int);
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var Slabs = 256;
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AllocatorManager.Initialize();
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var origin = AllocatorManager.Persistent;
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var backingStorage = origin.AllocateBlock(default(byte), Slabs * SlabSizeInBytes); // allocate a block of bytes from Malloc.Persistent
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var allocatorHelper = new AllocatorHelper<AllocatorManager.SlabAllocator>(AllocatorManager.Persistent);
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ref var allocator = ref allocatorHelper.Allocator;
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allocator.Initialize(backingStorage, SlabSizeInBytes, Slabs * SlabSizeInBytes);
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var expectedAlignment = math.max(JobsUtility.CacheLineSize, UnsafeUtility.AlignOf<int>());
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var block0 = allocator.AllocateBlock(default(int), SlabSizeInInts);
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Assert.AreNotEqual(IntPtr.Zero, block0.Range.Pointer);
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Assert.AreEqual(SlabSizeInInts, block0.Range.Items);
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Assert.AreEqual(UnsafeUtility.SizeOf<int>(), block0.BytesPerItem);
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Assert.AreEqual(expectedAlignment, block0.Alignment);
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Assert.AreEqual(1, allocator.Occupied[0]);
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var block1 = allocator.AllocateBlock(default(int), SlabSizeInInts - 1);
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Assert.AreNotEqual(IntPtr.Zero, block1.Range.Pointer);
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Assert.AreEqual(SlabSizeInInts - 1, block1.Range.Items);
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Assert.AreEqual(UnsafeUtility.SizeOf<int>(), block1.BytesPerItem);
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Assert.AreEqual(expectedAlignment, block1.Alignment);
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Assert.AreEqual(3, allocator.Occupied[0]);
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allocator.FreeBlock(ref block0);
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Assert.AreEqual(2, allocator.Occupied[0]);
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allocator.FreeBlock(ref block1);
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Assert.AreEqual(0, allocator.Occupied[0]);
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#if ENABLE_UNITY_COLLECTIONS_CHECKS || UNITY_DOTS_DEBUG
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Assert.Throws<ArgumentException>(() =>
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{
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allocatorHelper.Allocator.AllocateBlock(default(int), 65);
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});
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#endif
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allocator.Dispose();
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backingStorage.Dispose();
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allocatorHelper.Dispose();
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AllocatorManager.Shutdown();
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}
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[Test]
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public unsafe void CollectionHelper_IsAligned()
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{
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#if ENABLE_UNITY_COLLECTIONS_CHECKS || UNITY_DOTS_DEBUG
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Assert.Throws<ArgumentException>(() => CollectionHelper.IsAligned((void*)0x0, 0)); // value is 0
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Assert.Throws<ArgumentException>(() => CollectionHelper.IsAligned((void*)0x1000, 0)); // alignment is 0
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Assert.Throws<ArgumentException>(() => CollectionHelper.IsAligned((void*)0x1000, 3)); // alignment is not pow2
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#endif
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for (var i = 0; i < 31; ++i)
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{
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Assert.IsTrue(CollectionHelper.IsAligned((void*)0x80000000, 1<<i));
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}
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}
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[Test]
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public void AllocatorManager_AllocateBlock_UsesAlignmentArgument()
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{
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|
int sizeOf = 1;
|
|
int alignOf = 4096;
|
|
int items = 1;
|
|
var temp = AllocatorManager.Temp;
|
|
var block = temp.AllocateBlock(sizeOf, alignOf, items);
|
|
Assert.AreNotEqual(IntPtr.Zero, block.Range.Pointer);
|
|
|
|
unsafe
|
|
{
|
|
Assert.IsTrue(CollectionHelper.IsAligned((void*)block.Range.Pointer, alignOf));
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void AllocatorManager_AllocateBlock_AlwaysCacheLineAligned()
|
|
{
|
|
int sizeOf = 1;
|
|
int items = 1;
|
|
var temp = AllocatorManager.Temp;
|
|
|
|
for (int alignment = 1; alignment < 256; ++alignment)
|
|
{
|
|
var block = temp.AllocateBlock(sizeOf, alignment, items);
|
|
Assert.AreNotEqual(IntPtr.Zero, block.Range.Pointer);
|
|
|
|
unsafe
|
|
{
|
|
Assert.IsTrue(CollectionHelper.IsAligned((void*)block.Range.Pointer, CollectionHelper.CacheLineSize));
|
|
}
|
|
}
|
|
}
|
|
|
|
[Test]
|
|
public void AllocatorManager_Block_DoesNotOverflow()
|
|
{
|
|
AllocatorManager.Block block = default;
|
|
block.BytesPerItem = int.MaxValue;
|
|
block.AllocatedItems = 2;
|
|
block.Range = new AllocatorManager.Range { Items = 2 };
|
|
|
|
long ExpectedAllocatedBytes = (long)block.BytesPerItem * (long)block.AllocatedItems;
|
|
long ExpectedBytes = (long)block.BytesPerItem * (long)block.Range.Items;
|
|
Assert.AreEqual(ExpectedAllocatedBytes, block.AllocatedBytes);
|
|
Assert.AreEqual(ExpectedBytes, block.Bytes);
|
|
}
|
|
}
|