Rasagar/Library/PackageCache/com.unity.collections/Unity.Collections.Tests/NativeHashMapTests.cs
2024-08-26 23:07:20 +03:00

1036 lines
32 KiB
C#

using NUnit.Framework;
using Unity.Collections;
using Unity.Jobs;
using Unity.Collections.LowLevel.Unsafe;
using Unity.Collections.LowLevel.Unsafe.NotBurstCompatible;
using Unity.Collections.Tests;
using System;
using Unity.Burst;
using System.Runtime.InteropServices;
using UnityEngine.TestTools;
using System.Text.RegularExpressions;
using UnityEngine;
internal class NativeHashMapTests : CollectionsTestCommonBase
{
#pragma warning disable 0649 // always default value
struct NonBlittableStruct : IEquatable<NonBlittableStruct>
{
object o;
public bool Equals(NonBlittableStruct other)
{
return Equals(o, other.o);
}
public override bool Equals(object obj)
{
if (ReferenceEquals(null, obj)) return false;
return obj is NonBlittableStruct other && Equals(other);
}
public override int GetHashCode()
{
return (o != null ? o.GetHashCode() : 0);
}
}
#pragma warning restore 0649
static void ExpectedCount<TKey, TValue>(ref NativeHashMap<TKey, TValue> container, int expected)
where TKey : unmanaged, IEquatable<TKey>
where TValue : unmanaged
{
Assert.AreEqual(expected == 0, container.IsEmpty);
Assert.AreEqual(expected, container.Count);
}
[Test]
public void NativeHashMap_TryAdd_TryGetValue_Clear()
{
var hashMap = new NativeHashMap<int, int>(16, Allocator.Temp);
ExpectedCount(ref hashMap, 0);
int iSquared;
// Make sure GetValue fails if hash map is empty
Assert.IsFalse(hashMap.TryGetValue(0, out iSquared), "TryGetValue on empty hash map did not fail");
// Make sure inserting values work
for (int i = 0; i < 16; ++i)
Assert.IsTrue(hashMap.TryAdd(i, i * i), "Failed to add value");
ExpectedCount(ref hashMap, 16);
// Make sure inserting duplicate keys fails
for (int i = 0; i < 16; ++i)
Assert.IsFalse(hashMap.TryAdd(i, i), "Adding duplicate keys did not fail");
ExpectedCount(ref hashMap, 16);
// Make sure reading the inserted values work
for (int i = 0; i < 16; ++i)
{
Assert.IsTrue(hashMap.TryGetValue(i, out iSquared), "Failed get value from hash table");
Assert.AreEqual(iSquared, i * i, "Got the wrong value from the hash table");
}
// Make sure clearing removes all keys
hashMap.Clear();
ExpectedCount(ref hashMap, 0);
for (int i = 0; i < 16; ++i)
Assert.IsFalse(hashMap.TryGetValue(i, out iSquared), "Got value from hash table after clearing");
hashMap.Dispose();
}
[Test]
public void NativeHashMap_Key_Collisions()
{
var hashMap = new NativeHashMap<int, int>(16, Allocator.Temp);
int iSquared;
// Make sure GetValue fails if hash map is empty
Assert.IsFalse(hashMap.TryGetValue(0, out iSquared), "TryGetValue on empty hash map did not fail");
// Make sure inserting values work
for (int i = 0; i < 8; ++i)
Assert.IsTrue(hashMap.TryAdd(i, i * i), "Failed to add value");
// The bucket size is capacity * 2, adding that number should result in hash collisions
for (int i = 0; i < 8; ++i)
Assert.IsTrue(hashMap.TryAdd(i + 32, i), "Failed to add value with potential hash collision");
// Make sure reading the inserted values work
for (int i = 0; i < 8; ++i)
{
Assert.IsTrue(hashMap.TryGetValue(i, out iSquared), "Failed get value from hash table");
Assert.AreEqual(iSquared, i * i, "Got the wrong value from the hash table");
}
for (int i = 0; i < 8; ++i)
{
Assert.IsTrue(hashMap.TryGetValue(i + 32, out iSquared), "Failed get value from hash table");
Assert.AreEqual(iSquared, i, "Got the wrong value from the hash table");
}
hashMap.Dispose();
}
[StructLayout(LayoutKind.Explicit)]
unsafe struct LargeKey : IEquatable<LargeKey>
{
[FieldOffset(0)]
public int* Ptr;
[FieldOffset(300)]
int x;
public bool Equals(LargeKey rhs)
{
return Ptr == rhs.Ptr;
}
public override int GetHashCode()
{
return (int)Ptr;
}
}
[Test]
public void NativeHashMap_HashMapSupportsAutomaticCapacityChange()
{
var hashMap = new NativeHashMap<int, int>(1, Allocator.Temp);
int iSquared;
// Make sure inserting values work and grows the capacity
for (int i = 0; i < 8; ++i)
Assert.IsTrue(hashMap.TryAdd(i, i * i), "Failed to add value");
Assert.IsTrue(hashMap.Capacity >= 8, "Capacity was not updated correctly");
// Make sure reading the inserted values work
for (int i = 0; i < 8; ++i)
{
Assert.IsTrue(hashMap.TryGetValue(i, out iSquared), "Failed get value from hash table");
Assert.AreEqual(iSquared, i * i, "Got the wrong value from the hash table");
}
hashMap.Dispose();
}
[Test]
[TestRequiresDotsDebugOrCollectionChecks]
public void NativeHashMap_HashMapSameKey()
{
using (var hashMap = new NativeHashMap<int, int>(0, Allocator.Persistent))
{
Assert.DoesNotThrow(() => hashMap.Add(0, 0));
Assert.Throws<ArgumentException>(() => hashMap.Add(0, 0));
}
using (var hashMap = new NativeHashMap<int, int>(0, Allocator.Persistent))
{
Assert.IsTrue(hashMap.TryAdd(0, 0));
Assert.IsFalse(hashMap.TryAdd(0, 0));
}
}
[Test]
public void NativeHashMap_IsEmpty()
{
var container = new NativeHashMap<int, int>(0, Allocator.Persistent);
Assert.IsTrue(container.IsEmpty);
container.TryAdd(0, 0);
Assert.IsFalse(container.IsEmpty);
Assert.AreNotEqual(0, container.Capacity);
ExpectedCount(ref container, 1);
container.Remove(0);
Assert.IsTrue(container.IsEmpty);
container.TryAdd(0, 0);
container.Clear();
Assert.IsTrue(container.IsEmpty);
container.Dispose();
}
[Test]
public void NativeHashMap_HashMapEmptyCapacity()
{
var hashMap = new NativeHashMap<int, int>(0, Allocator.Persistent);
hashMap.TryAdd(0, 0);
Assert.AreNotEqual(0, hashMap.Capacity);
ExpectedCount(ref hashMap, 1);
hashMap.Dispose();
}
[Test]
public void NativeHashMap_Remove()
{
var hashMap = new NativeHashMap<int, int>(8, Allocator.Temp);
int iSquared;
// Make sure inserting values work
for (int i = 0; i < 8; ++i)
{
Assert.IsTrue(hashMap.TryAdd(i, i * i), "Failed to add value");
}
// Make sure reading the inserted values work
for (int i = 0; i < 8; ++i)
{
Assert.IsTrue(hashMap.TryGetValue(i, out iSquared), "Failed get value from hash table");
Assert.AreEqual(iSquared, i * i, "Got the wrong value from the hash table");
}
for (int rm = 0; rm < 8; ++rm)
{
Assert.IsTrue(hashMap.Remove(rm));
Assert.IsFalse(hashMap.TryGetValue(rm, out iSquared), "Failed to remove value from hash table");
for (int i = rm + 1; i < 8; ++i)
{
Assert.IsTrue(hashMap.TryGetValue(i, out iSquared), "Failed get value from hash table");
Assert.AreEqual(iSquared, i * i, "Got the wrong value from the hash table");
}
}
// Make sure entries were freed
for (int i = 0; i < 8; ++i)
{
Assert.IsTrue(hashMap.TryAdd(i, i * i), "Failed to add value");
}
hashMap.Dispose();
}
[Test]
public void NativeHashMap_RemoveOnEmptyMap_DoesNotThrow()
{
var hashMap = new NativeHashMap<int, int>(0, Allocator.Temp);
Assert.DoesNotThrow(() => hashMap.Remove(0));
Assert.DoesNotThrow(() => hashMap.Remove(-425196));
hashMap.Dispose();
}
[Test]
public void NativeHashMap_TryAddScalability()
{
var hashMap = new NativeHashMap<int, int>(1, Allocator.Persistent);
for (int i = 0; i != 1000 * 100; i++)
{
hashMap.TryAdd(i, i);
}
int value;
Assert.IsFalse(hashMap.TryGetValue(-1, out value));
Assert.IsFalse(hashMap.TryGetValue(1000 * 1000, out value));
for (int i = 0; i != 1000 * 100; i++)
{
Assert.IsTrue(hashMap.TryGetValue(i, out value));
Assert.AreEqual(i, value);
}
hashMap.Dispose();
}
[Test]
public void NativeHashMap_GetKeysEmpty()
{
var hashMap = new NativeHashMap<int, int>(1, Allocator.Temp);
var keys = hashMap.GetKeyArray(Allocator.Temp);
hashMap.Dispose();
Assert.AreEqual(0, keys.Length);
keys.Dispose();
}
[Test]
public void NativeHashMap_GetKeys()
{
var hashMap = new NativeHashMap<int, int>(1, Allocator.Temp);
for (int i = 0; i < 30; ++i)
{
hashMap.TryAdd(i, 2 * i);
}
var keys = hashMap.GetKeyArray(Allocator.Temp);
hashMap.Dispose();
Assert.AreEqual(30, keys.Length);
keys.Sort();
for (int i = 0; i < 30; ++i)
{
Assert.AreEqual(i, keys[i]);
}
keys.Dispose();
}
[Test]
public void NativeHashMap_GetValues()
{
var hashMap = new NativeHashMap<int, int>(1, Allocator.Temp);
for (int i = 0; i < 30; ++i)
{
hashMap.TryAdd(i, 2 * i);
}
var values = hashMap.GetValueArray(Allocator.Temp);
hashMap.Dispose();
Assert.AreEqual(30, values.Length);
values.Sort();
for (int i = 0; i < 30; ++i)
{
Assert.AreEqual(2 * i, values[i]);
}
values.Dispose();
}
[Test]
public void NativeHashMap_GetKeysAndValues()
{
var hashMap = new NativeHashMap<int, int>(1, Allocator.Temp);
for (int i = 0; i < 30; ++i)
{
hashMap.TryAdd(i, 2 * i);
}
var keysValues = hashMap.GetKeyValueArrays(Allocator.Temp);
hashMap.Dispose();
Assert.AreEqual(30, keysValues.Keys.Length);
Assert.AreEqual(30, keysValues.Values.Length);
// ensure keys and matching values are aligned
for (int i = 0; i < 30; ++i)
{
Assert.AreEqual(2 * keysValues.Keys[i], keysValues.Values[i]);
}
keysValues.Keys.Sort();
for (int i = 0; i < 30; ++i)
{
Assert.AreEqual(i, keysValues.Keys[i]);
}
keysValues.Values.Sort();
for (int i = 0; i < 30; ++i)
{
Assert.AreEqual(2 * i, keysValues.Values[i]);
}
keysValues.Dispose();
}
public struct TestEntityGuid : IEquatable<TestEntityGuid>, IComparable<TestEntityGuid>
{
public ulong a;
public ulong b;
public bool Equals(TestEntityGuid other)
{
return a == other.a && b == other.b;
}
public override int GetHashCode()
{
unchecked
{
return (a.GetHashCode() * 397) ^ b.GetHashCode();
}
}
public int CompareTo(TestEntityGuid other)
{
var aComparison = a.CompareTo(other.a);
if (aComparison != 0) return aComparison;
return b.CompareTo(other.b);
}
}
[Test]
public void NativeHashMap_GetKeysGuid()
{
var hashMap = new NativeHashMap<TestEntityGuid, int>(1, Allocator.Temp);
for (int i = 0; i < 30; ++i)
{
var didAdd = hashMap.TryAdd(new TestEntityGuid() { a = (ulong)i * 5, b = 3 * (ulong)i }, 2 * i);
Assert.IsTrue(didAdd);
}
// Validate Hashtable has all the expected values
ExpectedCount(ref hashMap, 30);
for (int i = 0; i < 30; ++i)
{
int output;
var exists = hashMap.TryGetValue(new TestEntityGuid() { a = (ulong)i * 5, b = 3 * (ulong)i }, out output);
Assert.IsTrue(exists);
Assert.AreEqual(2 * i, output);
}
// Validate keys array
var keys = hashMap.GetKeyArray(Allocator.Temp);
Assert.AreEqual(30, keys.Length);
keys.Sort();
for (int i = 0; i < 30; ++i)
{
Assert.AreEqual(new TestEntityGuid() { a = (ulong)i * 5, b = 3 * (ulong)i }, keys[i]);
}
hashMap.Dispose();
keys.Dispose();
}
[Test]
public void NativeHashMap_IndexerWorks()
{
var hashMap = new NativeHashMap<int, int>(1, Allocator.Temp);
hashMap[5] = 7;
Assert.AreEqual(7, hashMap[5]);
hashMap[5] = 9;
Assert.AreEqual(9, hashMap[5]);
hashMap.Dispose();
}
[Test]
public void NativeHashMap_ContainsKeyHashMap()
{
var hashMap = new NativeHashMap<int, int>(1, Allocator.Temp);
hashMap[5] = 7;
Assert.IsTrue(hashMap.ContainsKey(5));
Assert.IsFalse(hashMap.ContainsKey(6));
hashMap.Dispose();
}
[Test]
[TestRequiresCollectionChecks]
public void NativeHashMap_UseAfterFree_UsesCustomOwnerTypeName()
{
var container = new NativeHashMap<int, int>(10, CommonRwdAllocator.Handle);
container[0] = 123;
container.Dispose();
NUnit.Framework.Assert.That(() => container[0],
Throws.Exception.TypeOf<ObjectDisposedException>()
.With.Message.Contains($"The {container.GetType()} has been deallocated"));
}
[BurstCompile(CompileSynchronously = true)]
struct NativeHashMap_CreateAndUseAfterFreeBurst : IJob
{
public void Execute()
{
var container = new NativeHashMap<int, int>(10, Allocator.Temp);
container[0] = 17;
container.Dispose();
container[1] = 42;
}
}
[Test]
[TestRequiresCollectionChecks]
public void NativeHashMap_CreateAndUseAfterFreeInBurstJob_UsesCustomOwnerTypeName()
{
// Make sure this isn't the first container of this type ever created, so that valid static safety data exists
var container = new NativeHashMap<int, int>(10, CommonRwdAllocator.Handle);
container.Dispose();
var job = new NativeHashMap_CreateAndUseAfterFreeBurst
{
};
// Two things:
// 1. This exception is logged, not thrown; thus, we use LogAssert to detect it.
// 2. Calling write operation after container.Dispose() emits an unintuitive error message. For now, all this test cares about is whether it contains the
// expected type name.
job.Run();
LogAssert.Expect(LogType.Exception,
new Regex($"InvalidOperationException: The {Regex.Escape(container.GetType().ToString())} has been declared as \\[ReadOnly\\] in the job, but you are writing to it"));
}
[Test]
public void NativeHashMap_ForEach_FixedStringInHashMap()
{
using (var stringList = new NativeList<FixedString32Bytes>(10, Allocator.Persistent) { "Hello", ",", "World", "!" })
{
var seen = new NativeArray<int>(stringList.Length, Allocator.Temp);
var container = new NativeHashMap<FixedString128Bytes, float>(50, Allocator.Temp);
foreach (var str in stringList)
{
container.Add(str, 0);
}
foreach (var pair in container)
{
int index = stringList.IndexOf(pair.Key);
Assert.AreEqual(stringList[index], pair.Key.ToString());
seen[index] = seen[index] + 1;
}
for (int i = 0; i < stringList.Length; i++)
{
Assert.AreEqual(1, seen[i], $"Incorrect value count {stringList[i]}");
}
}
}
[Test]
public void NativeHashMap_EnumeratorDoesNotReturnRemovedElementsTest()
{
NativeHashMap<int, int> container = new NativeHashMap<int, int>(5, Allocator.Temp);
for (int i = 0; i < 5; i++)
{
container.Add(i, i);
}
int elementToRemove = 2;
container.Remove(elementToRemove);
using (var enumerator = container.GetEnumerator())
{
while (enumerator.MoveNext())
{
Assert.AreNotEqual(elementToRemove, enumerator.Current.Key);
}
}
container.Dispose();
}
[Test]
public void NativeHashMap_EnumeratorInfiniteIterationTest()
{
NativeHashMap<int, int> container = new NativeHashMap<int, int>(5, Allocator.Temp);
for (int i = 0; i < 5; i++)
{
container.Add(i, i);
}
for (int i = 0; i < 2; i++)
{
container.Remove(i);
}
var expected = container.Count;
int count = 0;
using (var enumerator = container.GetEnumerator())
{
while (enumerator.MoveNext())
{
if (count++ > expected)
{
break;
}
}
}
Assert.AreEqual(expected, count);
container.Dispose();
}
[Test]
public void NativeHashMap_ForEach([Values(10, 1000)] int n)
{
var seen = new NativeArray<int>(n, Allocator.Temp);
using (var container = new NativeHashMap<int, int>(32, CommonRwdAllocator.Handle))
{
for (int i = 0; i < n; i++)
{
container.Add(i, i * 37);
}
var count = 0;
foreach (var kv in container)
{
int value;
Assert.True(container.TryGetValue(kv.Key, out value));
Assert.AreEqual(value, kv.Value);
Assert.AreEqual(kv.Key * 37, kv.Value);
seen[kv.Key] = seen[kv.Key] + 1;
++count;
}
Assert.AreEqual(container.Count, count);
for (int i = 0; i < n; i++)
{
Assert.AreEqual(1, seen[i], $"Incorrect key count {i}");
}
}
}
struct NativeHashMap_ForEach_Job : IJob
{
public NativeHashMap<int, int>.ReadOnly Input;
[ReadOnly]
public int Num;
public void Execute()
{
var seen = new NativeArray<int>(Num, Allocator.Temp);
var count = 0;
foreach (var kv in Input)
{
int value;
Assert.True(Input.TryGetValue(kv.Key, out value));
Assert.AreEqual(value, kv.Value);
Assert.AreEqual(kv.Key * 37, kv.Value);
seen[kv.Key] = seen[kv.Key] + 1;
++count;
}
Assert.AreEqual(Input.Count, count);
for (int i = 0; i < Num; i++)
{
Assert.AreEqual(1, seen[i], $"Incorrect key count {i}");
}
seen.Dispose();
}
}
[Test]
public void NativeHashMap_ForEach_From_Job([Values(10, 1000)] int n)
{
var seen = new NativeArray<int>(n, Allocator.Temp);
using (var container = new NativeHashMap<int, int>(32, CommonRwdAllocator.Handle))
{
for (int i = 0; i < n; i++)
{
container.Add(i, i * 37);
}
new NativeHashMap_ForEach_Job
{
Input = container.AsReadOnly(),
Num = n,
}.Run();
}
}
struct NativeHashMap_Write_Job : IJob
{
public NativeHashMap<int, int> Input;
public void Execute()
{
Input.Clear();
}
}
[Test]
public void NativeHashMap_Write_From_Job()
{
using (var container = new NativeHashMap<int, int>(32, CommonRwdAllocator.Handle))
{
container.Add(1, 37);
Assert.IsFalse(container.IsEmpty);
new NativeHashMap_Write_Job
{
Input = container,
}.Run();
Assert.IsTrue(container.IsEmpty);
}
}
[Test]
[TestRequiresCollectionChecks]
public void NativeHashMap_ForEach_Throws_When_Modified()
{
using (var container = new NativeHashMap<int, int>(32, CommonRwdAllocator.Handle))
{
container.Add(0, 012);
container.Add(1, 123);
container.Add(2, 234);
container.Add(3, 345);
container.Add(4, 456);
container.Add(5, 567);
container.Add(6, 678);
container.Add(7, 789);
container.Add(8, 890);
container.Add(9, 901);
Assert.Throws<ObjectDisposedException>(() =>
{
foreach (var kv in container)
{
container.Add(10, 10);
}
});
Assert.Throws<ObjectDisposedException>(() =>
{
foreach (var kv in container)
{
container.Remove(1);
}
});
}
}
struct NativeHashMap_ForEachIterator : IJob
{
[ReadOnly]
public NativeHashMap<int, int>.Enumerator Iter;
public void Execute()
{
while (Iter.MoveNext())
{
}
}
}
[Test]
[TestRequiresCollectionChecks]
public void NativeHashMap_ForEach_Throws_Job_Iterator()
{
using (var container = new NativeHashMap<int, int>(32, CommonRwdAllocator.Handle))
{
var jobHandle = new NativeHashMap_ForEachIterator
{
Iter = container.GetEnumerator()
}.Schedule();
Assert.Throws<InvalidOperationException>(() => { container.Add(1, 1); });
jobHandle.Complete();
}
}
[Test]
public void NativeHashMap_CustomAllocatorTest()
{
AllocatorManager.Initialize();
var allocatorHelper = new AllocatorHelper<CustomAllocatorTests.CountingAllocator>(AllocatorManager.Persistent);
ref var allocator = ref allocatorHelper.Allocator;
allocator.Initialize();
using (var container = new NativeHashMap<int, int>(1, allocator.Handle))
{
}
Assert.IsTrue(allocator.WasUsed);
allocator.Dispose();
allocatorHelper.Dispose();
AllocatorManager.Shutdown();
}
[BurstCompile]
struct BurstedCustomAllocatorJob : IJob
{
[NativeDisableUnsafePtrRestriction]
public unsafe CustomAllocatorTests.CountingAllocator* Allocator;
public void Execute()
{
unsafe
{
using (var container = new NativeHashMap<int, int>(1, Allocator->Handle))
{
}
}
}
}
[Test]
public unsafe void NativeHashMap_BurstedCustomAllocatorTest()
{
AllocatorManager.Initialize();
var allocatorHelper = new AllocatorHelper<CustomAllocatorTests.CountingAllocator>(AllocatorManager.Persistent);
ref var allocator = ref allocatorHelper.Allocator;
allocator.Initialize();
var allocatorPtr = (CustomAllocatorTests.CountingAllocator*)UnsafeUtility.AddressOf<CustomAllocatorTests.CountingAllocator>(ref allocator);
unsafe
{
var handle = new BurstedCustomAllocatorJob { Allocator = allocatorPtr }.Schedule();
handle.Complete();
}
Assert.IsTrue(allocator.WasUsed);
allocator.Dispose();
allocatorHelper.Dispose();
AllocatorManager.Shutdown();
}
public struct NestedHashMap
{
public NativeHashMap<int, int> map;
}
[Test]
public void NativeHashMap_Nested()
{
var mapInner = new NativeHashMap<int, int>(16, CommonRwdAllocator.Handle);
NestedHashMap mapStruct = new NestedHashMap { map = mapInner };
var mapNestedStruct = new NativeHashMap<int, NestedHashMap>(16, CommonRwdAllocator.Handle);
var mapNested = new NativeHashMap<int, NativeHashMap<int, int>>(16, CommonRwdAllocator.Handle);
mapNested[14] = mapInner;
mapNestedStruct[17] = mapStruct;
mapNested.Dispose();
mapNestedStruct.Dispose();
mapInner.Dispose();
}
[Test]
public void NativeHashMap_ForEach_FixedStringKey()
{
using (var stringList = new NativeList<FixedString32Bytes>(10, Allocator.Persistent) { "Hello", ",", "World", "!" })
{
var seen = new NativeArray<int>(stringList.Length, Allocator.Temp);
var container = new NativeHashMap<FixedString128Bytes, float>(50, Allocator.Temp);
foreach (var str in stringList)
{
container.Add(str, 0);
}
foreach (var pair in container)
{
int index = stringList.IndexOf(pair.Key);
Assert.AreEqual(stringList[index], pair.Key.ToString());
seen[index] = seen[index] + 1;
}
for (int i = 0; i < stringList.Length; i++)
{
Assert.AreEqual(1, seen[i], $"Incorrect value count {stringList[i]}");
}
}
}
[Test]
public void NativeHashMap_SupportsAutomaticCapacityChange()
{
var container = new NativeHashMap<int, int>(1, Allocator.Temp);
int iSquared;
// Make sure inserting values work and grows the capacity
for (int i = 0; i < 8; ++i)
{
Assert.IsTrue(container.TryAdd(i, i * i), "Failed to add value");
}
Assert.IsTrue(container.Capacity >= 8, "Capacity was not updated correctly");
// Make sure reading the inserted values work
for (int i = 0; i < 8; ++i)
{
Assert.IsTrue(container.TryGetValue(i, out iSquared), "Failed get value from hash table");
Assert.AreEqual(iSquared, i * i, "Got the wrong value from the hash table");
}
container.Dispose();
}
[Test]
[TestRequiresDotsDebugOrCollectionChecks]
public void NativeHashMap_SameKey()
{
using (var container = new NativeHashMap<int, int>(0, Allocator.Persistent))
{
Assert.DoesNotThrow(() => container.Add(0, 0));
Assert.Throws<ArgumentException>(() => container.Add(0, 0));
}
using (var container = new NativeHashMap<int, int>(0, Allocator.Persistent))
{
Assert.IsTrue(container.TryAdd(0, 0));
Assert.IsFalse(container.TryAdd(0, 0));
}
}
[Test]
public void NativeHashMap_EmptyCapacity()
{
var container = new NativeHashMap<int, int>(0, Allocator.Persistent);
container.TryAdd(0, 0);
ExpectedCount(ref container, 1);
container.Dispose();
}
[Test]
public unsafe void NativeHashMap_TrimExcess()
{
using (var container = new NativeHashMap<int, int>(1024, Allocator.Persistent))
{
var oldCapacity = container.Capacity;
container.Add(123, 345);
container.TrimExcess();
Assert.AreEqual(1, container.Count);
Assert.AreNotEqual(oldCapacity, container.Capacity);
oldCapacity = container.Capacity;
container.Remove(123);
Assert.AreEqual(container.Count, 0);
container.TrimExcess();
Assert.AreEqual(oldCapacity, container.Capacity);
container.Add(123, 345);
Assert.AreEqual(container.Count, 1);
Assert.AreEqual(oldCapacity, container.Capacity);
container.Clear();
Assert.AreEqual(container.Count, 0);
Assert.AreEqual(oldCapacity, container.Capacity);
}
}
[Test]
public void NativeHashMap_DisposeJob()
{
var container0 = new NativeHashMap<int, int>(1, Allocator.Persistent);
Assert.True(container0.IsCreated);
Assert.DoesNotThrow(() => { container0.Add(0, 1); });
Assert.True(container0.ContainsKey(0));
var container1 = new NativeHashMap<int, int>(1, Allocator.Persistent);
Assert.True(container1.IsCreated);
Assert.DoesNotThrow(() => { container1.Add(1, 2); });
Assert.True(container1.ContainsKey(1));
var disposeJob0 = container0.Dispose(default);
Assert.False(container0.IsCreated);
#if ENABLE_UNITY_COLLECTIONS_CHECKS
Assert.Throws<ObjectDisposedException>(
() => { container0.ContainsKey(0); });
#endif
var disposeJob = container1.Dispose(disposeJob0);
Assert.False(container1.IsCreated);
#if ENABLE_UNITY_COLLECTIONS_CHECKS
Assert.Throws<ObjectDisposedException>(
() => { container1.ContainsKey(1); });
#endif
disposeJob.Complete();
}
[Test]
public void NativeHashMap_CanInsertSentinelValue()
{
var map = new NativeHashMap<uint, int>(32, Allocator.Temp);
map.Add(uint.MaxValue, 123);
FastAssert.AreEqual(1, map.Count);
int v;
FastAssert.IsTrue(map.TryGetValue(uint.MaxValue, out v));
FastAssert.AreEqual(123, v);
map.Dispose();
}
[Test]
public void NativeHashMap_SoakTest([Values(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)] int s)
{
Unity.Mathematics.Random rng = Unity.Mathematics.Random.CreateFromIndex((uint)s);
var d = new System.Collections.Generic.Dictionary<ulong, int>();
var map = new NativeHashMap<ulong, int>(32, Allocator.Temp);
var list = new NativeList<ulong>(32, Allocator.Temp);
unsafe ulong NextULong(ref Unity.Mathematics.Random rng)
{
var u = rng.NextUInt2();
return *(ulong*)&u;
}
for (int i = 0; i < 200; i++)
{
var x = NextULong(ref rng);
while (d.ContainsKey(x))
x = NextULong(ref rng);
d.Add(x, list.Length);
map.Add(x, list.Length);
list.Add(x);
}
FastAssert.AreEqual(d.Count, list.Length);
FastAssert.AreEqual(map.Count, list.Length);
foreach (var kvp in d)
{
FastAssert.IsTrue(map.TryGetValue(kvp.Key, out var v));
FastAssert.AreEqual(kvp.Value, v);
}
for (int i = 0; i < 10000; i++)
{
float removeProb = list.Length == 0 ? 0 : 0.5f;
if (rng.NextFloat() <= removeProb)
{
// remove value
int index = rng.NextInt(list.Length);
var key = list[index];
list.RemoveAtSwapBack(index);
FastAssert.IsTrue(d.TryGetValue(key, out var idx1));
FastAssert.IsTrue(d.Remove(key));
FastAssert.IsTrue(map.TryGetValue(key, out var idx2));
FastAssert.AreEqual(idx1, idx2);
map.Remove(key);
if (index < list.Length)
{
d[list[index]] = index;
map[list[index]] = index;
}
}
else
{
// add value
var x = NextULong(ref rng);
while (d.ContainsKey(x))
x = NextULong(ref rng);
d.Add(x, list.Length);
map.Add(x, list.Length);
list.Add(x);
}
FastAssert.AreEqual(d.Count, list.Length);
FastAssert.AreEqual(map.Count, list.Length);
}
}
[Test]
public void NativeHashMap_IndexerAdd_ResizesContainer()
{
var container = new NativeHashMap<int, int>(8, Allocator.Persistent);
for (int i = 0; i < 1024; i++)
{
container[i] = i;
}
Assert.AreEqual(1024, container.Count);
container.Dispose();
}
}