Switched to unmanaged memory in all parallel tests

Author: Sergio0694

UnitTests/UnitTests.HighPerformance.Shared/Extensions/Test_ReadOnlySpanExtensions.cs

@@ -20,7 +20,7 @@ public void Test_ReadOnlySpanExtensions_DangerousGetReference()
         {
             using var owner = CreateRandomData<int>(12, default);
 
-            ReadOnlySpan<int> data = owner.Span;
+            ReadOnlySpan<int> data = owner.GetSpan();
 
             ref int r0 = ref data.DangerousGetReference();
             ref int r1 = ref Unsafe.AsRef(data[0]);
@@ -34,7 +34,7 @@ public void Test_ReadOnlySpanExtensions_DangerousGetReferenceAt_Zero()
         {
             using var owner = CreateRandomData<int>(12, default);
 
-            ReadOnlySpan<int> data = owner.Span;
+            ReadOnlySpan<int> data = owner.GetSpan();
 
             ref int r0 = ref data.DangerousGetReference();
             ref int r1 = ref data.DangerousGetReferenceAt(0);
@@ -48,7 +48,7 @@ public void Test_ReadOnlySpanExtensions_DangerousGetReferenceAt_Index()
         {
             using var owner = CreateRandomData<int>(12, default);
 
-            ReadOnlySpan<int> data = owner.Span;
+            ReadOnlySpan<int> data = owner.GetSpan();
 
             ref int r0 = ref data.DangerousGetReferenceAt(5);
             ref int r1 = ref Unsafe.AsRef(data[5]);

UnitTests/UnitTests.HighPerformance.Shared/Helpers/Test_ParallelHelper.ForEach.In.cs

@@ -8,6 +8,7 @@
 using System.Threading;
 using Microsoft.Toolkit.HighPerformance.Helpers;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
+using UnitTests.HighPerformance.Shared.Buffers.Internals;
 
 namespace UnitTests.HighPerformance.Helpers
 {
@@ -19,15 +20,15 @@ public unsafe void Test_ParallelHelper_ForEach_In()
         {
             foreach (int count in TestForCounts)
             {
-                int[] data = CreateRandomData(count);
+                using UnmanagedSpanOwner<int> data = CreateRandomData(count);
 
                 int sum = 0;
 
-                ParallelHelper.ForEach<int, Summer>(data.AsMemory(), new Summer(&sum));
+                ParallelHelper.ForEach<int, Summer>(data.Memory, new Summer(&sum));
 
                 int expected = 0;
 
-                foreach (int n in data)
+                foreach (int n in data.GetSpan())
                 {
                     expected += n;
                 }
@@ -55,13 +56,13 @@ public unsafe void Test_ParallelHelper_ForEach_In()
         /// <param name="count">The number of array items to create.</param>
         /// <returns>An array of random <see cref="int"/> elements.</returns>
         [Pure]
-        private static int[] CreateRandomData(int count)
+        private static UnmanagedSpanOwner<int> CreateRandomData(int count)
         {
             var random = new Random(count);
 
-            int[] data = new int[count];
+            UnmanagedSpanOwner<int> data = new UnmanagedSpanOwner<int>(count);
 
-            foreach (ref int n in data.AsSpan())
+            foreach (ref int n in data.GetSpan())
             {
                 n = random.Next(0, byte.MaxValue);
             }

UnitTests/UnitTests.HighPerformance.Shared/Helpers/Test_ParallelHelper.ForEach.Ref.cs

@@ -5,6 +5,7 @@
 using System;
 using Microsoft.Toolkit.HighPerformance.Helpers;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
+using UnitTests.HighPerformance.Shared.Buffers.Internals;
 
 namespace UnitTests.HighPerformance.Helpers
 {
@@ -16,21 +17,26 @@ public void Test_ParallelHelper_ForEach_Ref()
         {
             foreach (int count in TestForCounts)
             {
-                int[] data = CreateRandomData(count);
-                int[] copy = data.AsSpan().ToArray();
+                using UnmanagedSpanOwner<int> data = CreateRandomData(count);
+                using UnmanagedSpanOwner<int> copy = new UnmanagedSpanOwner<int>(count);
 
-                foreach (ref int n in copy.AsSpan())
+                data.GetSpan().CopyTo(copy.GetSpan());
+
+                foreach (ref int n in copy.GetSpan())
                 {
                     n = unchecked(n * 397);
                 }
 
-                ParallelHelper.ForEach(data.AsMemory(), new Multiplier(397));
+                ParallelHelper.ForEach(data.Memory, new Multiplier(397));
+
+                Span<int> dataSpan = data.GetSpan();
+                Span<int> copySpan = copy.GetSpan();
 
                 for (int i = 0; i < data.Length; i++)
                 {
-                    if (data[i] != copy[i])
+                    if (dataSpan[i] != copySpan[i])
                     {
-                        Assert.Fail($"Item #{i} was not a match, was {data[i]} instead of {copy[i]}");
+                        Assert.Fail($"Item #{i} was not a match, was {dataSpan[i]} instead of {copySpan[i]}");
                     }
                 }
             }