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using NUnit.Framework;
using Unity.Collections;
using Unity.Collections.LowLevel.Unsafe;
using System;
using System.Collections.Generic;
using System.Linq;
using Unity.Jobs;
// ******* COPY AND PASTE WARNING *************
// NOTE: Duplicate tests (with only type differences)
// - BufferElementDataTests.cs and BufferElementDataSystemStateTests.cs
// - Any change to this file should be reflected in the other file.
// Changes between two files:
// - s/BufferElementDataTests/BufferElementDataSystemStateTests/
// - s/EcsIntElement/EcsIntStateElement/g
// - s/IBufferElementData/ISystemStateBufferElementData/g
// ******* COPY AND PASTE WARNING *************
#pragma warning disable 0649
#pragma warning disable 0219 // assigned but its value is never used
namespace Unity.Entities.Tests
{
class BufferElementDataSystemStateTests : ECSTestsFixture
{
[InternalBufferCapacity(1024*1024)]
public struct OverSizedCapacity : ISystemStateBufferElementData
{
public int Value;
}
[Test]
public void BufferTypeClassificationWorks()
{
var t = TypeManager.GetTypeInfo<EcsIntStateElement>();
Assert.AreEqual(TypeManager.TypeCategory.BufferData, t.Category);
Assert.AreEqual(8, t.BufferCapacity);
}
[Test]
public void BufferComponentTypeCreationWorks()
{
var bt = ComponentType.ReadWrite<EcsIntStateElement>();
var typeInfo = TypeManager.GetTypeInfo(bt.TypeIndex);
Assert.AreEqual(ComponentType.AccessMode.ReadWrite, bt.AccessModeType);
Assert.AreEqual(8, typeInfo.BufferCapacity);
}
[Test]
public void CreateEntityWithIntThrows()
{
Assert.Throws<System.ArgumentException>(() => { m_Manager.CreateEntity(typeof(int));});
}
[Test]
public void AddComponentWithIntThrows()
{
var entity = m_Manager.CreateEntity();
Assert.Throws<System.ArgumentException>(() => { m_Manager.AddComponent(entity, ComponentType.ReadWrite<int>()); });
}
[Test]
// Invalid because chunk size is too small to hold a single entity
public void CreateEntityWithInvalidInternalCapacity()
{
var arrayType = ComponentType.ReadWrite<OverSizedCapacity>();
Assert.Throws<ArgumentException>(() => m_Manager.CreateEntity(arrayType));
}
[Test]
public void HasComponent()
{
var arrayType = ComponentType.ReadWrite<EcsIntStateElement>();
var entity = m_Manager.CreateEntity(arrayType);
Assert.IsTrue(m_Manager.HasComponent(entity, arrayType));
}
[Test]
public void InitialCapacityWorks()
{
var arrayType = ComponentType.ReadWrite<EcsIntStateElement>();
var entity = m_Manager.CreateEntity(arrayType);
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
Assert.AreEqual(8, buffer.Capacity);
}
[Test]
public void InitialCapacityWorks2()
{
var entity = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
Assert.AreEqual(8, buffer.Capacity);
}
[Test]
public void AddWorks()
{
var arrayType = ComponentType.ReadWrite<EcsIntStateElement>();
var entity = m_Manager.CreateEntity(arrayType);
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
for (int i = 0; i < 189; ++i)
buffer.Add(i);
Assert.AreEqual(189, buffer.Length);
for (int i = 0; i < 189; ++i)
{
Assert.AreEqual(i, buffer[i].Value);
}
}
[Test]
public void InsertWorks()
{
var arrayType = ComponentType.ReadWrite<EcsIntStateElement>();
var entity = m_Manager.CreateEntity(arrayType);
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
// Insert at end
for (int i = 0; i < 189; ++i)
buffer.Insert(i, i);
Assert.AreEqual(189, buffer.Length);
for (int i = 0; i < 189; ++i)
{
Assert.AreEqual(i, buffer[i].Value);
}
buffer.Clear();
// Insert at beginning
for (int i = 0; i < 189; ++i)
buffer.Insert(0, i);
Assert.AreEqual(189, buffer.Length);
for (int i = 0; i < 189; ++i)
{
Assert.AreEqual(188-i, buffer[i].Value);
}
buffer.Clear();
// Insert in middle
for (int i = 0; i < 189; ++i)
buffer.Insert(i/2, i);
Assert.AreEqual(189, buffer.Length);
for (int i = 0; i < 189; ++i)
{
int expectedValue = i<94 ? i*2+1 : (188-i)*2;
Assert.AreEqual(expectedValue, buffer[i].Value);
}
}
[Test]
public void AddRangeWorks()
{
var arrayType = ComponentType.ReadWrite<EcsIntStateElement>();
var entity = m_Manager.CreateEntity(arrayType);
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
for (int i = 0; i < 7; ++i)
buffer.Add(i);
Assert.AreEqual(7, buffer.Length);
var blah = new NativeArray<EcsIntStateElement>(1024, Allocator.Temp);
for (int i = 0; i < blah.Length; ++i)
{
blah[i] = i;
}
buffer.AddRange(blah);
blah.Dispose();
Assert.AreEqual(1024 + 7, buffer.Length);
for (int i = 0; i < 7; ++i)
Assert.AreEqual(i, buffer[i].Value);
for (int i = 0; i < 1024; ++i)
Assert.AreEqual(i, buffer[7 + i].Value);
}
[Test]
public void RemoveAtWorks()
{
var entity = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
for (int i = 0; i < 9; ++i)
buffer.Add(i);
buffer.RemoveAt(7);
CheckBufferContents(buffer, new int[] { 0, 1, 2, 3, 4, 5, 6, 8 });
}
private static void CheckBufferContents(DynamicBuffer<EcsIntStateElement> buffer, int[] refs)
{
Assert.AreEqual(refs.Length, buffer.Length);
for (int i = 0; i < refs.Length; ++i)
{
Assert.AreEqual(refs[i], buffer[i].Value);
}
}
[Test]
public void RemoveAtWorksFromStart()
{
var entity = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
for (int i = 0; i < 9; ++i)
buffer.Add(i);
buffer.RemoveAt(0);
CheckBufferContents(buffer, new int[] { 1, 2, 3, 4, 5, 6, 7, 8 });
}
[Test]
public void RemoveAtWorksFromEnd()
{
var entity = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
for (int i = 0; i < 9; ++i)
buffer.Add(i);
buffer.RemoveAt(8);
buffer.RemoveAt(7);
CheckBufferContents(buffer, new int[] { 0, 1, 2, 3, 4, 5, 6 });
}
[Test]
public void RemoveRangeWorksFromEnd()
{
var entity = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
for (int i = 0; i < 9; ++i)
buffer.Add(i);
buffer.RemoveRange(5, 4);
CheckBufferContents(buffer, new int[] { 0, 1, 2, 3, 4 });
}
[Test]
public void InitialCapacityWorksWithAddComponment()
{
var entity = m_Manager.CreateEntity();
m_Manager.AddComponent(entity, ComponentType.ReadWrite<EcsIntStateElement>());
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
Assert.AreEqual(8, buffer.Capacity);
}
[Test]
public void RemoveComponent()
{
var arrayType = ComponentType.ReadWrite<EcsIntStateElement>();
var entity = m_Manager.CreateEntity(arrayType);
Assert.IsTrue(m_Manager.HasComponent(entity, arrayType));
m_Manager.RemoveComponent(entity, arrayType);
Assert.IsFalse(m_Manager.HasComponent(entity, arrayType));
}
[Test]
public void MutateBufferData()
{
var entity = m_Manager.CreateEntity();
m_Manager.AddBuffer<EcsIntStateElement>(entity);
var array = m_Manager.GetBuffer<EcsIntStateElement>(entity);
Assert.AreEqual(0, array.Length);
using (var array2 = new NativeArray<EcsIntStateElement>(6, Allocator.Temp))
{
array.CopyFrom(array2);
Assert.AreEqual(6, array.Length);
array[3] = 5;
Assert.AreEqual(5, array[3].Value);
Assert.AreNotEqual(5, array2[3].Value); // no aliasing
}
}
[Test]
public void BufferComponentGroupChunkIteration()
{
/*var entity64 =*/
m_Manager.CreateEntity(typeof(EcsIntStateElement));
/*var entity10 =*/
m_Manager.CreateEntity(typeof(EcsIntStateElement));
var group = m_Manager.CreateEntityQuery(typeof(EcsIntStateElement));
var chunks = group.CreateArchetypeChunkArray(Allocator.TempJob);
var buffers = chunks[0].GetBufferAccessor(m_Manager.GetArchetypeChunkBufferType<EcsIntStateElement>(false));
Assert.AreEqual(2, buffers.Length);
Assert.AreEqual(0, buffers[0].Length);
Assert.AreEqual(8, buffers[0].Capacity);
Assert.AreEqual(0, buffers[1].Length);
Assert.AreEqual(8, buffers[1].Capacity);
buffers[0].Add(12);
buffers[0].Add(13);
Assert.AreEqual(2, buffers[0].Length);
Assert.AreEqual(12, buffers[0][0].Value);
Assert.AreEqual(13, buffers[0][1].Value);
Assert.AreEqual(0, buffers[1].Length);
chunks.Dispose();
}
[Test]
public void BufferFromEntityWorks()
{
var entityInt = m_Manager.CreateEntity(typeof(EcsIntStateElement));
m_Manager.GetBuffer<EcsIntStateElement>(entityInt).CopyFrom(new EcsIntStateElement[] { 1, 2, 3 });
var intLookup = EmptySystem.GetBufferFromEntity<EcsIntStateElement>();
Assert.IsTrue(intLookup.Exists(entityInt));
Assert.IsFalse(intLookup.Exists(new Entity()));
Assert.AreEqual(2, intLookup[entityInt][1].Value);
}
[Test]
public void OutOfBoundsAccessThrows()
{
var entityInt = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var intArray = m_Manager.GetBuffer<EcsIntStateElement>(entityInt);
intArray.Add(12);
m_Manager.DestroyEntity(entityInt);
Assert.Throws<InvalidOperationException>(() =>
{
intArray.Add(123);
});
}
[Test]
public void UseAfterStructuralChangeThrows()
{
var entityInt = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var intArray = m_Manager.GetBuffer<EcsIntStateElement>(entityInt);
m_Manager.DestroyEntity(entityInt);
Assert.Throws<InvalidOperationException>(() =>
{
intArray.Add(123);
});
}
[Test]
public void UseAfterStructuralChangeThrows2()
{
var entityInt = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBufferFromEntity<EcsIntStateElement>();
var array = buffer[entityInt];
m_Manager.DestroyEntity(entityInt);
Assert.Throws<InvalidOperationException>(() =>
{
array.Add(123);
});
}
[Test]
public void UseAfterStructuralChangeThrows3()
{
var entityInt = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entityInt);
buffer.CopyFrom(new EcsIntStateElement[] { 1, 2, 3 });
m_Manager.AddComponentData(entityInt, new EcsTestData() { value = 20 });
Assert.Throws<InvalidOperationException>(() => {
buffer.Add(4);
});
}
[Test]
public void WritingReadOnlyThrows()
{
var entityInt = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBufferFromEntity<EcsIntStateElement>(true);
var array = buffer[entityInt];
Assert.Throws<InvalidOperationException>(() =>
{
array.Add(123);
});
}
[Test]
public void ReinterpretWorks()
{
var entityInt = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var intBuffer = m_Manager.GetBuffer<EcsIntStateElement>(entityInt);
var floatBuffer = intBuffer.Reinterpret<float>();
intBuffer.Add(0x3f800000);
floatBuffer.Add(-1.0f);
Assert.AreEqual(2, intBuffer.Length);
Assert.AreEqual(2, floatBuffer.Length);
Assert.AreEqual(0x3f800000, intBuffer[0].Value);
Assert.AreEqual(1.0f, floatBuffer[0]);
Assert.AreEqual(0xbf800000u, (uint)intBuffer[1].Value);
Assert.AreEqual(-1.0f, floatBuffer[1]);
}
[Test]
public void ReinterpretWrongSizeThrows()
{
var entityInt = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entityInt);
Assert.Throws<InvalidOperationException>(() =>
{
buffer.Reinterpret<ushort>();
});
}
[Test]
public void TrimExcessWorks()
{
var entityInt = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var intBuffer = m_Manager.GetBuffer<EcsIntStateElement>(entityInt);
Assert.AreEqual(0, intBuffer.Length);
Assert.AreEqual(8, intBuffer.Capacity);
intBuffer.CopyFrom(new EcsIntStateElement[] { 0, 1, 2, 3 });
intBuffer.TrimExcess();
Assert.AreEqual(4, intBuffer.Length);
Assert.AreEqual(8, intBuffer.Capacity);
for (int i = 4; i < 10; ++i)
{
intBuffer.Add(i);
}
Assert.AreEqual(10, intBuffer.Length);
Assert.AreEqual(16, intBuffer.Capacity);
intBuffer.TrimExcess();
Assert.AreEqual(10, intBuffer.Length);
Assert.AreEqual(10, intBuffer.Capacity);
for (int i = 0; i < 10; ++i)
{
Assert.AreEqual(i, intBuffer[i].Value);
}
}
[Test]
public void BufferSurvivesArchetypeChange()
{
var entityInt = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entityInt);
buffer.CopyFrom(new EcsIntStateElement[] { 1, 2, 3 });
m_Manager.AddComponentData(entityInt, new EcsTestData() { value = 20 });
CheckBufferContents(m_Manager.GetBuffer<EcsIntStateElement>(entityInt), new int[] { 1, 2, 3 });
}
internal struct ElementWithoutCapacity : ISystemStateBufferElementData
{
public float Value;
}
[Test]
public void NoCapacitySpecifiedWorks()
{
var original = m_Manager.CreateEntity(typeof(ElementWithoutCapacity));
var buffer = m_Manager.GetBuffer<ElementWithoutCapacity>(original);
Assert.AreEqual(buffer.Capacity, 32);
}
[Test]
public void ArrayInvalidationWorks()
{
var original = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(original);
buffer.Add(1);
var array = buffer.AsNativeArray();
Assert.AreEqual(1, array[0].Value);
Assert.AreEqual(1, array.Length);
buffer.Add(2);
Assert.Throws<InvalidOperationException>(() =>
{
int value = array[0].Value;
});
Assert.Throws<InvalidOperationException>(() =>
{
array[0] = 5;
});
}
[Test]
public void ArrayInvalidationHappensForAllInstances()
{
var e0 = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var e1 = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var b0 = m_Manager.GetBuffer<EcsIntStateElement>(e0);
var b1 = m_Manager.GetBuffer<EcsIntStateElement>(e1);
b0.Add(1);
b1.Add(1);
var a0 = b0.AsNativeArray();
var a1 = b1.AsNativeArray();
b0.Add(1);
Assert.Throws<InvalidOperationException>(() =>
{
int value = a0[0].Value;
});
Assert.Throws<InvalidOperationException>(() =>
{
int value = a1[0].Value;
});
}
[Test]
public void ArraysAreNotInvalidateByWrites()
{
var original = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(original);
buffer.Add(1);
var array = buffer.AsNativeArray();
Assert.AreEqual(1, array[0].Value);
Assert.AreEqual(1, array.Length);
buffer[0] = 2;
Assert.AreEqual(2, array[0].Value);
}
struct ArrayConsumingJob : IJob
{
public NativeArray<EcsIntStateElement> Array;
public void Execute()
{
}
}
[Test]
[StandaloneFixme] // IJob
public void BufferInvalidationNotPossibleWhenArraysAreGivenToJobs()
{
var original = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(original);
buffer.Add(1);
var handle = new ArrayConsumingJob {Array = buffer.AsNativeArray()}.Schedule();
Assert.Throws<InvalidOperationException>(() => buffer.Add(2));
Assert.Throws<InvalidOperationException>(() => m_Manager.DestroyEntity(original));
handle.Complete();
}
struct WriteJob : IJobChunk
{
public ArchetypeChunkBufferType<EcsIntStateElement> Int;
public void Execute(ArchetypeChunk chunk, int chunkIndex, int entityOffset)
{
var intValue = chunk.GetBufferAccessor(Int)[0];
Assert.AreEqual(intValue.Length, 1);
var intValueArray = intValue.AsNativeArray();
Assert.AreEqual(5, intValue[0].Value);
Assert.AreEqual(5, intValueArray[0].Value);
intValueArray[0] = 6;
Assert.AreEqual(intValueArray.Length, 1);
Assert.AreEqual(6, intValue[0].Value);
}
}
[Test]
[StandaloneFixme] // IJob
public void ReadWriteDynamicBuffer()
{
var original = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(original);
buffer.Add(5);
var group = EmptySystem.GetEntityQuery(new EntityQueryDesc {All = new ComponentType[] {typeof(EcsIntStateElement)}});
var job = new WriteJob
{
//@TODO: Throw exception when read only flag is not accurately passed to job for buffers...
Int = EmptySystem.GetArchetypeChunkBufferType<EcsIntStateElement>()
};
job.Schedule(group).Complete();
}
struct ReadOnlyJob : IJobChunk
{
[ReadOnly]
public ArchetypeChunkBufferType<EcsIntStateElement> Int;
public void Execute(ArchetypeChunk chunk, int chunkIndex, int entityOffset)
{
var intValue = chunk.GetBufferAccessor(Int)[0];
// Reading buffer
Assert.AreEqual(intValue.Length, 1);
Assert.AreEqual(5, intValue[0].Value);
// Reading casted native array
var intValueArray = intValue.AsNativeArray();
Assert.AreEqual(intValueArray.Length, 1);
Assert.AreEqual(5, intValueArray[0].Value);
// Can't write to buffer...
Assert.Throws<InvalidOperationException>(() => { intValue[0] = 5; });
Assert.Throws<InvalidOperationException>(() => { intValueArray[0] = 5; });
}
}
public void ReadOnlyDynamicBufferImpl(bool readOnlyType)
{
var original = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(original);
buffer.Add(5);
var group = EmptySystem.GetEntityQuery(new EntityQueryDesc {All = new ComponentType[] {typeof(EcsIntStateElement)}});
var job = new ReadOnlyJob
{
Int = EmptySystem.GetArchetypeChunkBufferType<EcsIntStateElement>(readOnlyType)
};
job.Schedule(group).Complete();
}
[Test]
[StandaloneFixme] // IJob
public void ReadOnlyDynamicBufferReadOnly()
{
ReadOnlyDynamicBufferImpl(true);
}
[Test]
[Ignore("Joe is fixing for 19.1. https://ono.unity3d.com/unity/unity/changeset/7fba7166055c164f6d10a8b7d12bd0588ee12025")]
public void ReadOnlyDynamicBufferWritable()
{
ReadOnlyDynamicBufferImpl(false);
}
struct BufferConsumingJob : IJob
{
public DynamicBuffer<EcsIntStateElement> Buffer;
public void Execute()
{
}
}
[Test]
[StandaloneFixme] // IJob
public void BufferInvalidationNotPossibleWhenBuffersAreGivenToJobs()
{
var original = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(original);
buffer.Add(1);
var handle = new BufferConsumingJob {Buffer = buffer}.Schedule();
Assert.Throws<InvalidOperationException>(() => buffer.Add(2));
Assert.Throws<InvalidOperationException>(() => m_Manager.DestroyEntity(original));
handle.Complete();
}
struct ReadOnlyNativeArrayJob : IJob
{
[ReadOnly]
public NativeArray<EcsIntStateElement> IntArray;
public void Execute()
{
var array = IntArray;
// Reading casted native array
Assert.AreEqual(array.Length, 1);
Assert.AreEqual(5, array[0].Value);
// Can't write to buffer...
Assert.Throws<InvalidOperationException>(() => { array[0] = 5; });
Assert.Throws<InvalidOperationException>(() => { array[0] = 5; });
}
}
[Test]
[StandaloneFixme] // IJob
public void NativeArrayInJobReadOnly()
{
var original = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(original);
buffer.Add(5);
var job = new ReadOnlyNativeArrayJob
{
IntArray = buffer.AsNativeArray()
};
var jobHandle = job.Schedule();
Assert.Throws<InvalidOperationException>(() => { buffer.Add(5); });
Assert.Throws<InvalidOperationException>(() => { buffer[0] = 6; });
Assert.Throws<InvalidOperationException>(() => { job.IntArray[0] = 6; });
Assert.Throws<InvalidOperationException>(() => { job.IntArray[0] = 6; });
Assert.AreEqual(5, buffer[0].Value);
Assert.AreEqual(5, job.IntArray[0].Value);
jobHandle.Complete();
}
[Test]
public void DynamicBuffer_Default_IsCreated_IsFalse()
{
DynamicBuffer<EcsIntStateElement> buffer = default;
Assert.False(buffer.IsCreated);
}
[Test]
public void DynamicBuffer_FromEntity_IsCreated_IsTrue()
{
var entity = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
Assert.IsTrue(buffer.IsCreated);
}
[Test]
public void DynamicBuffer_AllocateBufferWithLongSize_DoesNotThrow()
{
if (IntPtr.Size == 4)
Assert.Ignore("Test makes no sense on 32bit");
var entity = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
int capacity = (int)(((long)int.MaxValue + 1) / UnsafeUtility.SizeOf<EcsIntStateElement>() + 1); //536870913
Assert.DoesNotThrow(() => buffer.ResizeUninitialized(capacity));
Assert.AreEqual(capacity, buffer.Length);
}
[Test]
public void DynamicBuffer_Insert_BufferHasLongSize_DoesNotThrow()
{
if (IntPtr.Size == 4)
Assert.Ignore("Test makes no sense on 32bit");
var entity = m_Manager.CreateEntity(typeof(EcsIntStateElement));
var buffer = m_Manager.GetBuffer<EcsIntStateElement>(entity);
int capacity = (int)(((long)int.MaxValue + 1) / UnsafeUtility.SizeOf<EcsIntStateElement>() + 1); //536870913
buffer.ResizeUninitialized(capacity);
Assert.DoesNotThrow(() => buffer.Insert(0, new EcsIntStateElement { Value = 99 }));
Assert.AreEqual(capacity + 1, buffer.Length);
}
[Test]
public void DynamicBuffer_AddRange_NewBufferHasLongSize_DoesNotThrow()
{
if (IntPtr.Size == 4)
Assert.Ignore("Test makes no sense on 32bit");
var entity = m_Manager.CreateEntity(typeof(EcsIntElement));
var buffer = m_Manager.GetBuffer<EcsIntElement>(entity);
int capacity = (int)(((long)int.MaxValue + 1) / UnsafeUtility.SizeOf<EcsIntElement>() + 1); //536870913
buffer.ResizeUninitialized(capacity);
NativeArray<EcsIntElement> array = new NativeArray<EcsIntElement>(10, Allocator.Temp);
Assert.DoesNotThrow(() => buffer.AddRange(array));
Assert.AreEqual(capacity + 10, buffer.Length);
}
[Test]
public void DynamicBuffer_RemoveRange_MovedBufferHasLongSize_DoesNotThrow()
{
if (IntPtr.Size == 4)
Assert.Ignore("Test makes no sense on 32bit");
var entity = m_Manager.CreateEntity(typeof(EcsIntElement));
var buffer = m_Manager.GetBuffer<EcsIntElement>(entity);
int capacity = (int)(((long)int.MaxValue + 1) / UnsafeUtility.SizeOf<EcsIntElement>() + 2);
buffer.ResizeUninitialized(capacity);
Assert.AreEqual(536870914, buffer.Length);
Assert.DoesNotThrow(() => buffer.RemoveRange(0, 1));
Assert.AreEqual(536870913, buffer.Length);
}
[Test]
public void DynamicBuffer_Add_NewBufferHasLongSize_DoesNotThrow()
{
if (IntPtr.Size == 4)
Assert.Ignore("Test makes no sense on 32bit");
var arrayType = ComponentType.ReadWrite<EcsIntElement>();
var entity = m_Manager.CreateEntity(typeof(EcsIntElement));
var buffer = m_Manager.GetBuffer<EcsIntElement>(entity);
int capacity = (int)(((long)int.MaxValue + 1) / UnsafeUtility.SizeOf<EcsIntElement>() + 1); //536870913
buffer.ResizeUninitialized(capacity);
Assert.DoesNotThrow(() => buffer.Add(1));
}
[Test]
public void DynamicBuffer_TrimExcess_NewBufferHasLongSize_DoesNotThrow()
{
if (IntPtr.Size == 4)
Assert.Ignore("Test makes no sense on 32bit");
var arrayType = ComponentType.ReadWrite<EcsIntElement>();
var entity = m_Manager.CreateEntity(typeof(EcsIntElement));
var buffer = m_Manager.GetBuffer<EcsIntElement>(entity);
int capacity = (int)(((long)int.MaxValue + 1) / UnsafeUtility.SizeOf<EcsIntElement>() + 1); //536870913
buffer.ResizeUninitialized(capacity);
// cause the capacity to double
buffer.Add(1);
Assert.DoesNotThrow(() => buffer.TrimExcess());
Assert.AreEqual(capacity + 1, buffer.Length);
}
[Test]
public void DynamicBuffer_Reserve_IncreasesCapacity()
{
var arrayType = ComponentType.ReadWrite<EcsIntElement>();
var entity = m_Manager.CreateEntity(typeof(EcsIntElement));
var buffer = m_Manager.GetBuffer<EcsIntElement>(entity);
buffer.Reserve(100);
Assert.AreEqual(100, buffer.Capacity);
Assert.AreEqual(0, buffer.Length);
}
}
}
#pragma warning restore 0649
#pragma warning restore 0219 // assigned but its value is never used