Merge 5a1aa3f095 into 9c41e9c12e

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "shared-infrastructure"]
 	path = shared-infrastructure
-	url = https://github.com/SixLabors/SharedInfrastructure
+	url = https://github.com/stefannikolei/SharedInfrastructure

shared-infrastructure

@@ -1 +1 @@
-Subproject commit 7ac5703452348d9295db31fc0912c2bd9e419dc9
+Subproject commit 6491506cf4a330de2d743453b30c506ed7c74af7

tests/Directory.Build.targets

@@ -21,7 +21,6 @@
     <PackageReference Update="Colourful" Version="3.2.0" />
     <PackageReference Update="Magick.NET-Q16-AnyCPU" Version="14.11.1" />
     <PackageReference Update="Microsoft.DotNet.RemoteExecutor" Version="10.0.0-beta.25563.105" />
-    <PackageReference Update="Microsoft.DotNet.XUnitExtensions" Version="8.0.0-beta.23580.1" />
     <PackageReference Update="Moq" Version="4.20.72" />
     <PackageReference Update="NetVips" Version="3.0.0" />
     <PackageReference Update="NetVips.Native" Version="8.16.0" />

tests/ImageSharp.Tests.ProfilingSandbox/Program.cs

@@ -4,7 +4,7 @@
 using SixLabors.ImageSharp.Tests.PixelFormats.PixelOperations;
 using SixLabors.ImageSharp.Tests.ProfilingBenchmarks;
 using SixLabors.ImageSharp.Tests.ProfilingSandbox;
-using Xunit.Abstractions;
+using Xunit;
 
 // in this file, comments are used for disabling stuff for local execution
 #pragma warning disable SA1515
@@ -32,7 +32,12 @@ static void RunToVector4ProfilingTest()
 
 sealed class ConsoleOutput : ITestOutputHelper
 {
+    public void Write(string message) => Console.Write(message);
+
+    public void Write(string format, params object[] args) => Console.Write(format, args);
+
     public void WriteLine(string message) => Console.WriteLine(message);
 
     public void WriteLine(string format, params object[] args) => Console.WriteLine(format, args);
+    public string Output { get; }
 }

tests/ImageSharp.Tests/ColorProfiles/Icc/ColorProfileConverterTests.Icc.cs

@@ -6,7 +6,6 @@ using SixLabors.ImageSharp.ColorProfiles;
 using SixLabors.ImageSharp.Metadata.Profiles.Icc;
 using Wacton.Unicolour;
 using Wacton.Unicolour.Icc;
-using Xunit.Abstractions;
 using Rgb = SixLabors.ImageSharp.ColorProfiles.Rgb;
 
 namespace SixLabors.ImageSharp.Tests.ColorProfiles.Icc;

tests/ImageSharp.Tests/Common/NumericsTests.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Six Labors.
 // Licensed under the Six Labors Split License.
 
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Common;
 

tests/ImageSharp.Tests/Common/SimdUtilsTests.cs

@@ -7,7 +7,6 @@ using System.Runtime.Intrinsics.Arm;
 using System.Runtime.Intrinsics.X86;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Tests.TestUtilities;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Common;
 

tests/ImageSharp.Tests/Formats/Jpg/Block8x8FTests.cs

@@ -7,7 +7,6 @@ using System.Runtime.Intrinsics;
 using SixLabors.ImageSharp.Formats.Jpeg.Components;
 using SixLabors.ImageSharp.Tests.Formats.Jpg.Utils;
 using SixLabors.ImageSharp.Tests.TestUtilities;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;
 

tests/ImageSharp.Tests/Formats/Jpg/Block8x8Tests.cs

@@ -4,7 +4,6 @@
 using SixLabors.ImageSharp.Formats.Jpeg.Components;
 using SixLabors.ImageSharp.Tests.Formats.Jpg.Utils;
 using SixLabors.ImageSharp.Tests.TestUtilities;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;
 

tests/ImageSharp.Tests/Formats/Jpg/DCTTests.cs

@@ -4,7 +4,6 @@
 using SixLabors.ImageSharp.Formats.Jpeg.Components;
 using SixLabors.ImageSharp.Tests.Formats.Jpg.Utils;
 using SixLabors.ImageSharp.Tests.TestUtilities;
-using Xunit.Abstractions;
 
 // ReSharper disable InconsistentNaming
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;

tests/ImageSharp.Tests/Formats/Jpg/HuffmanScanEncoderTests.cs

@@ -2,7 +2,6 @@
 // Licensed under the Six Labors Split License.
 
 using SixLabors.ImageSharp.Formats.Jpeg.Components.Encoder;
-using Xunit.Abstractions;
 
 // ReSharper disable InconsistentNaming
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;

tests/ImageSharp.Tests/Formats/Jpg/JpegColorConverterTests.cs

@@ -6,7 +6,6 @@ using SixLabors.ImageSharp.Formats.Jpeg.Components;
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.Tests.ColorProfiles;
 using SixLabors.ImageSharp.Tests.TestUtilities;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;
 

tests/ImageSharp.Tests/Formats/Jpg/JpegDecoderTests.cs

@@ -9,7 +9,6 @@ using SixLabors.ImageSharp.Processing;
 using SixLabors.ImageSharp.Tests.Formats.Jpg.Utils;
 using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
 using SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs;
-using Xunit.Abstractions;
 
 // ReSharper disable InconsistentNaming
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;

tests/ImageSharp.Tests/Formats/Jpg/ParseStreamTests.cs

@@ -6,7 +6,6 @@ using SixLabors.ImageSharp.Formats.Jpeg;
 using SixLabors.ImageSharp.Formats.Jpeg.Components;
 using SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder;
 using SixLabors.ImageSharp.Tests.Formats.Jpg.Utils;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;
 

tests/ImageSharp.Tests/Formats/Jpg/ReferenceImplementationsTests.AccurateDCT.cs

@@ -3,7 +3,6 @@
 
 using SixLabors.ImageSharp.Formats.Jpeg.Components;
 using SixLabors.ImageSharp.Tests.Formats.Jpg.Utils;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;
 

tests/ImageSharp.Tests/Formats/Jpg/ReferenceImplementationsTests.FastFloatingPointDCT.cs

@@ -4,7 +4,6 @@
 // ReSharper disable InconsistentNaming
 using SixLabors.ImageSharp.Formats.Jpeg.Components;
 using SixLabors.ImageSharp.Tests.Formats.Jpg.Utils;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;
 

tests/ImageSharp.Tests/Formats/Jpg/ReferenceImplementationsTests.StandardIntegerDCT.cs

@@ -3,7 +3,6 @@
 
 using SixLabors.ImageSharp.Formats.Jpeg.Components;
 using SixLabors.ImageSharp.Tests.Formats.Jpg.Utils;
-using Xunit.Abstractions;
 
 // ReSharper disable InconsistentNaming
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;

tests/ImageSharp.Tests/Formats/Jpg/ReferenceImplementationsTests.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Six Labors.
 // Licensed under the Six Labors Split License.
 
-using Xunit.Abstractions;
 
 // ReSharper disable InconsistentNaming
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;

tests/ImageSharp.Tests/Formats/Jpg/SpectralJpegTests.cs

@@ -9,7 +9,6 @@ using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.Metadata.Profiles.Icc;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Tests.Formats.Jpg.Utils;
-using Xunit.Abstractions;
 
 // ReSharper disable InconsistentNaming
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;

tests/ImageSharp.Tests/Formats/Jpg/SpectralToPixelConversionTests.cs

@@ -7,7 +7,6 @@ using SixLabors.ImageSharp.IO;
 using SixLabors.ImageSharp.Metadata;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg;
 

tests/ImageSharp.Tests/Formats/Jpg/Utils/JpegFixture.cs

@@ -6,7 +6,6 @@ using System.Text;
 using SixLabors.ImageSharp.Formats.Jpeg;
 using SixLabors.ImageSharp.Formats.Jpeg.Components;
 using SixLabors.ImageSharp.PixelFormats;
-using Xunit.Abstractions;
 
 // ReSharper disable InconsistentNaming
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg.Utils;

tests/ImageSharp.Tests/Formats/Jpg/Utils/ReferenceImplementations.LLM_FloatingPoint_DCT.cs

@@ -5,7 +5,6 @@ using System.Numerics;
 using System.Runtime.CompilerServices;
 using SixLabors.ImageSharp.Formats.Jpeg.Components;
 
-using Xunit.Abstractions;
 
 // ReSharper disable InconsistentNaming
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg.Utils;

tests/ImageSharp.Tests/Formats/Jpg/Utils/VerifyJpeg.cs

@@ -3,7 +3,6 @@
 
 using SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder;
 using SixLabors.ImageSharp.PixelFormats;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Jpg.Utils;
 

tests/ImageSharp.Tests/Formats/Png/PngEncoderFilterTests.cs

@@ -6,7 +6,6 @@
 using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.Formats.Png.Filters;
 using SixLabors.ImageSharp.Tests.TestUtilities;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Formats.Png;
 

tests/ImageSharp.Tests/Formats/Png/PngEncoderTests.cs

@@ -200,14 +200,14 @@ public partial class PngEncoderTests
             return;
         }
 
-        foreach (object[] filterMethod in PngFilterMethods)
+        foreach (TheoryDataRow<PngFilterMethod> filterMethod in PngFilterMethods)
         {
             foreach (PngInterlaceMode interlaceMode in InterlaceMode)
             {
                 TestPngEncoderCore(
                     provider,
                     pngColorType,
-                    (PngFilterMethod)filterMethod[0],
+                    filterMethod.Data,
                     pngBitDepth,
                     interlaceMode,
                     appendPngColorType: true,
@@ -236,14 +236,14 @@ public partial class PngEncoderTests
     public void WorksWithAllBitDepthsAndExcludeAllFilter<TPixel>(TestImageProvider<TPixel> provider, PngColorType pngColorType, PngBitDepth pngBitDepth)
       where TPixel : unmanaged, IPixel<TPixel>
     {
-        foreach (object[] filterMethod in PngFilterMethods)
+        foreach (TheoryDataRow<PngFilterMethod> filterMethod in PngFilterMethods)
         {
             foreach (PngInterlaceMode interlaceMode in InterlaceMode)
             {
                 TestPngEncoderCore(
                 provider,
                 pngColorType,
-                (PngFilterMethod)filterMethod[0],
+                filterMethod.Data,
                 pngBitDepth,
                 interlaceMode,
                 appendPngColorType: true,

tests/ImageSharp.Tests/Helpers/ParallelRowIteratorTests.cs

@@ -7,7 +7,6 @@ using Castle.Core.Configuration;
 using SixLabors.ImageSharp.Advanced;
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Helpers;
 

tests/ImageSharp.Tests/ImageSharp.Tests.csproj

@@ -45,7 +45,6 @@
     <PackageReference Include="BenchmarkDotNet" Version="0.13.0" />
     <PackageReference Include="Magick.NET-Q16-AnyCPU" />
     <PackageReference Include="Microsoft.DotNet.RemoteExecutor" />
-    <PackageReference Include="Microsoft.DotNet.XUnitExtensions" />
     <PackageReference Include="Moq" />
     <PackageReference Include="runtime.osx.10.10-x64.CoreCompat.System.Drawing" Condition="'$(IsOSX)'=='true'" />
     <PackageReference Include="SharpZipLib" />

tests/ImageSharp.Tests/Memory/Allocators/UniformUnmanagedMemoryPoolTests.Trim.cs

@@ -14,9 +14,7 @@ public partial class UniformUnmanagedMemoryPoolTests
     public class Trim
     {
         [CollectionDefinition(nameof(NonParallelTests), DisableParallelization = true)]
-        public class NonParallelTests
-        {
-        }
+        public class NonParallelTests { }
 
         [Fact]
         public void TrimPeriodElapsed_TrimsHalfOfUnusedArrays()
@@ -24,7 +22,10 @@ public partial class UniformUnmanagedMemoryPoolTests
             RemoteExecutor.Invoke(RunTest).Dispose();
             static void RunTest()
             {
-                UniformUnmanagedMemoryPool.TrimSettings trimSettings = new() { TrimPeriodMilliseconds = 5_000 };
+                UniformUnmanagedMemoryPool.TrimSettings trimSettings = new()
+                {
+                    TrimPeriodMilliseconds = 5_000,
+                };
                 UniformUnmanagedMemoryPool pool = new(128, 256, trimSettings);
 
                 UnmanagedMemoryHandle[] a = pool.Rent(64);
@@ -37,7 +38,8 @@ public partial class UniformUnmanagedMemoryPoolTests
                 // 128 - 32 - 16 = 80
                 Assert.True(
                     UnmanagedMemoryHandle.TotalOutstandingHandles <= 80,
-                    $"UnmanagedMemoryHandle.TotalOutstandingHandles={UnmanagedMemoryHandle.TotalOutstandingHandles} > 80");
+                    $"UnmanagedMemoryHandle.TotalOutstandingHandles={UnmanagedMemoryHandle.TotalOutstandingHandles} > 80"
+                );
                 pool.Return(b);
             }
         }
@@ -46,14 +48,12 @@ public partial class UniformUnmanagedMemoryPoolTests
         // MultiplePoolInstances_TrimPeriodElapsed_AllAreTrimmed,
         // which is strongly timing-sensitive, and might be flaky under high load.
         [CollectionDefinition(nameof(NonParallelCollection), DisableParallelization = true)]
-        public class NonParallelCollection
-        {
-        }
+        public class NonParallelCollection { }
 
         [Collection(nameof(NonParallelCollection))]
         public class NonParallel
         {
-            public static readonly bool IsNotMacOS = !TestEnvironment.IsMacOS;
+            public static bool IsNotMacOS => !TestEnvironment.IsMacOS;
 
             // TODO: Investigate failures on macOS. All handles are released after GC.
             // (It seems to happen more consistently on .NET 6.)
@@ -77,10 +77,16 @@ public partial class UniformUnmanagedMemoryPoolTests
 
                 static void RunTest()
                 {
-                    UniformUnmanagedMemoryPool.TrimSettings trimSettings1 = new() { TrimPeriodMilliseconds = 6_000 };
+                    UniformUnmanagedMemoryPool.TrimSettings trimSettings1 = new()
+                    {
+                        TrimPeriodMilliseconds = 6_000,
+                    };
                     UniformUnmanagedMemoryPool pool1 = new(128, 256, trimSettings1);
                     Thread.Sleep(8_000); // Let some callbacks fire already
-                    UniformUnmanagedMemoryPool.TrimSettings trimSettings2 = new() { TrimPeriodMilliseconds = 3_000 };
+                    UniformUnmanagedMemoryPool.TrimSettings trimSettings2 = new()
+                    {
+                        TrimPeriodMilliseconds = 3_000,
+                    };
                     UniformUnmanagedMemoryPool pool2 = new(128, 256, trimSettings2);
 
                     pool1.Return(pool1.Rent(64));
@@ -96,7 +102,8 @@ public partial class UniformUnmanagedMemoryPoolTests
                     Thread.Sleep(15_000);
                     Assert.True(
                         UnmanagedMemoryHandle.TotalOutstandingHandles <= 64,
-                        $"UnmanagedMemoryHandle.TotalOutstandingHandles={UnmanagedMemoryHandle.TotalOutstandingHandles} > 64");
+                        $"UnmanagedMemoryHandle.TotalOutstandingHandles={UnmanagedMemoryHandle.TotalOutstandingHandles} > 64"
+                    );
                     GC.KeepAlive(pool1);
                     GC.KeepAlive(pool2);
                 }
@@ -104,13 +111,16 @@ public partial class UniformUnmanagedMemoryPoolTests
                 [MethodImpl(MethodImplOptions.NoInlining)]
                 static void LeakPoolInstance()
                 {
-                    UniformUnmanagedMemoryPool.TrimSettings trimSettings = new() { TrimPeriodMilliseconds = 4_000 };
+                    UniformUnmanagedMemoryPool.TrimSettings trimSettings = new()
+                    {
+                        TrimPeriodMilliseconds = 4_000,
+                    };
                     _ = new UniformUnmanagedMemoryPool(128, 256, trimSettings);
                 }
             }
         }
 
-        public static readonly bool Is32BitProcess = !Environment.Is64BitProcess;
+        public static bool Is32BitProcess => !Environment.Is64BitProcess;
         private static readonly List<byte[]> PressureArrays = [];
 
         [Fact]
@@ -129,11 +139,16 @@ public partial class UniformUnmanagedMemoryPoolTests
                 Assert.False(Environment.Is64BitProcess);
                 const int oneMb = 1 << 20;
 
-                UniformUnmanagedMemoryPool.TrimSettings trimSettings = new() { HighPressureThresholdRate = 0.2f };
+                UniformUnmanagedMemoryPool.TrimSettings trimSettings = new()
+                {
+                    HighPressureThresholdRate = 0.2f,
+                };
 
                 GCMemoryInfo memInfo = GC.GetGCMemoryInfo();
                 int highLoadThreshold = (int)(memInfo.HighMemoryLoadThresholdBytes / oneMb);
-                highLoadThreshold = (int)(trimSettings.HighPressureThresholdRate * highLoadThreshold);
+                highLoadThreshold = (int)(
+                    trimSettings.HighPressureThresholdRate * highLoadThreshold
+                );
 
                 UniformUnmanagedMemoryPool pool = new(oneMb, 16, trimSettings);
                 pool.Return(pool.Rent(16));

tests/ImageSharp.Tests/Memory/Allocators/UniformUnmanagedMemoryPoolTests.cs

@@ -5,7 +5,6 @@ using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using Microsoft.DotNet.RemoteExecutor;
 using SixLabors.ImageSharp.Memory.Internals;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Memory.Allocators;
 
@@ -28,11 +27,13 @@ public partial class UniformUnmanagedMemoryPoolTests
 
         public void Register(UnmanagedMemoryHandle handle) => this.handlesToDestroy.Add(handle);
 
-        public void Register(IEnumerable<UnmanagedMemoryHandle> handles) => this.handlesToDestroy.AddRange(handles);
+        public void Register(IEnumerable<UnmanagedMemoryHandle> handles) =>
+            this.handlesToDestroy.AddRange(handles);
 
         public void Register(IntPtr memoryPtr) => this.ptrsToDestroy.Add(memoryPtr);
 
-        public void Register(IEnumerable<IntPtr> memoryPtrs) => this.ptrsToDestroy.AddRange(memoryPtrs);
+        public void Register(IEnumerable<IntPtr> memoryPtrs) =>
+            this.ptrsToDestroy.AddRange(memoryPtrs);
 
         public void Dispose()
         {
@@ -94,7 +95,11 @@ public partial class UniformUnmanagedMemoryPoolTests
         }
     }
 
-    private static void CheckBuffer(int length, UniformUnmanagedMemoryPool pool, UnmanagedMemoryHandle h)
+    private static void CheckBuffer(
+        int length,
+        UniformUnmanagedMemoryPool pool,
+        UnmanagedMemoryHandle h
+    )
     {
         Assert.False(h.IsInvalid);
         Span<byte> span = GetSpan(h, pool.BufferLength);
@@ -105,7 +110,8 @@ public partial class UniformUnmanagedMemoryPoolTests
         Assert.True(span.SequenceEqual(expected));
     }
 
-    private static unsafe Span<byte> GetSpan(UnmanagedMemoryHandle h, int length) => new(h.Pointer, length);
+    private static unsafe Span<byte> GetSpan(UnmanagedMemoryHandle h, int length) =>
+        new(h.Pointer, length);
 
     [Theory]
     [InlineData(1, 1)]
@@ -210,7 +216,11 @@ public partial class UniformUnmanagedMemoryPoolTests
     [InlineData(0, 6, 5)]
     [InlineData(5, 1, 5)]
     [InlineData(4, 7, 10)]
-    public void Rent_MultiBuffer_OverCapacity_ReturnsNull(int initialRent, int attempt, int capacity)
+    public void Rent_MultiBuffer_OverCapacity_ReturnsNull(
+        int initialRent,
+        int attempt,
+        int capacity
+    )
     {
         UniformUnmanagedMemoryPool pool = new(128, capacity);
         using CleanupUtil cleanup = new(pool);
@@ -238,7 +248,7 @@ public partial class UniformUnmanagedMemoryPoolTests
         cleanup.Register(b1);
     }
 
-    public static readonly bool IsNotMacOS = !TestEnvironment.IsMacOS;
+    public static bool IsNotMacOS => !TestEnvironment.IsMacOS;
 
     // TODO: Investigate macOS failures
     [ConditionalTheory(nameof(IsNotMacOS))]
@@ -261,7 +271,10 @@ public partial class UniformUnmanagedMemoryPoolTests
             pool.Release();
 
             // Do some unmanaged allocations to make sure new pool buffers are different:
-            IntPtr[] dummy = Enumerable.Range(0, 100).Select(_ => Marshal.AllocHGlobal(16)).ToArray();
+            IntPtr[] dummy = Enumerable
+                .Range(0, 100)
+                .Select(_ => Marshal.AllocHGlobal(16))
+                .ToArray();
             cleanup.Register(dummy);
 
             if (bool.Parse(multipleInner))
@@ -310,34 +323,38 @@ public partial class UniformUnmanagedMemoryPoolTests
         using CleanupUtil cleanup = new(pool);
         Random rnd = new(0);
 
-        Parallel.For(0, Environment.ProcessorCount, (int i) =>
-        {
-            List<UnmanagedMemoryHandle> allHandles = new();
-            int pauseAt = rnd.Next(100);
-            for (int j = 0; j < 100; j++)
+        Parallel.For(
+            0,
+            Environment.ProcessorCount,
+            (int i) =>
             {
-                UnmanagedMemoryHandle[] data = pool.Rent(2);
+                List<UnmanagedMemoryHandle> allHandles = new();
+                int pauseAt = rnd.Next(100);
+                for (int j = 0; j < 100; j++)
+                {
+                    UnmanagedMemoryHandle[] data = pool.Rent(2);
 
-                GetSpan(data[0], pool.BufferLength).Fill((byte)i);
-                GetSpan(data[1], pool.BufferLength).Fill((byte)i);
-                allHandles.Add(data[0]);
-                allHandles.Add(data[1]);
+                    GetSpan(data[0], pool.BufferLength).Fill((byte)i);
+                    GetSpan(data[1], pool.BufferLength).Fill((byte)i);
+                    allHandles.Add(data[0]);
+                    allHandles.Add(data[1]);
 
-                if (j == pauseAt)
-                {
-                    Thread.Sleep(15);
+                    if (j == pauseAt)
+                    {
+                        Thread.Sleep(15);
+                    }
                 }
-            }
 
-            Span<byte> expected = new byte[8];
-            expected.Fill((byte)i);
+                Span<byte> expected = new byte[8];
+                expected.Fill((byte)i);
 
-            foreach (UnmanagedMemoryHandle h in allHandles)
-            {
-                Assert.True(expected.SequenceEqual(GetSpan(h, pool.BufferLength)));
-                pool.Return(new[] { h });
+                foreach (UnmanagedMemoryHandle h in allHandles)
+                {
+                    Assert.True(expected.SequenceEqual(GetSpan(h, pool.BufferLength)));
+                    pool.Return(new[] { h });
+                }
             }
-        });
+        );
     }
 
     [Theory]

tests/ImageSharp.Tests/Metadata/Profiles/Exif/Values/ExifValuesTests.cs

@@ -11,329 +11,329 @@ public class ExifValuesTests
 {
     public static TheoryData<ExifTag> ByteTags => new()
     {
-        { ExifTag.FaxProfile },
-        { ExifTag.ModeNumber },
-        { ExifTag.GPSAltitudeRef }
+        { (ExifTag)ExifTag.FaxProfile },
+        { (ExifTag)ExifTag.ModeNumber },
+        { (ExifTag)ExifTag.GPSAltitudeRef }
     };
 
     public static TheoryData<ExifTag> ByteArrayTags => new()
     {
-        { ExifTag.ClipPath },
-        { ExifTag.VersionYear },
-        { ExifTag.XMP },
-        { ExifTag.CFAPattern2 },
-        { ExifTag.TIFFEPStandardID },
-        { ExifTag.GPSVersionID },
+        { (ExifTag)ExifTag.ClipPath },
+        { (ExifTag)ExifTag.VersionYear },
+        { (ExifTag)ExifTag.XMP },
+        { (ExifTag)ExifTag.CFAPattern2 },
+        { (ExifTag)ExifTag.TIFFEPStandardID },
+        { (ExifTag)ExifTag.GPSVersionID },
     };
 
     public static TheoryData<ExifTag> DoubleArrayTags => new()
     {
-        { ExifTag.PixelScale },
-        { ExifTag.IntergraphMatrix },
-        { ExifTag.ModelTiePoint },
-        { ExifTag.ModelTransform }
+        { (ExifTag)ExifTag.PixelScale },
+        { (ExifTag)ExifTag.IntergraphMatrix },
+        { (ExifTag)ExifTag.ModelTiePoint },
+        { (ExifTag)ExifTag.ModelTransform }
     };
 
     public static TheoryData<ExifTag> LongTags => new()
     {
-        { ExifTag.SubfileType },
-        { ExifTag.SubIFDOffset },
-        { ExifTag.GPSIFDOffset },
-        { ExifTag.T4Options },
-        { ExifTag.T6Options },
-        { ExifTag.XClipPathUnits },
-        { ExifTag.YClipPathUnits },
-        { ExifTag.ProfileType },
-        { ExifTag.CodingMethods },
-        { ExifTag.T82ptions },
-        { ExifTag.JPEGInterchangeFormat },
-        { ExifTag.JPEGInterchangeFormatLength },
-        { ExifTag.MDFileTag },
-        { ExifTag.StandardOutputSensitivity },
-        { ExifTag.RecommendedExposureIndex },
-        { ExifTag.ISOSpeed },
-        { ExifTag.ISOSpeedLatitudeyyy },
-        { ExifTag.ISOSpeedLatitudezzz },
-        { ExifTag.FaxRecvParams },
-        { ExifTag.FaxRecvTime },
-        { ExifTag.ImageNumber },
+        { (ExifTag)ExifTag.SubfileType },
+        { (ExifTag)ExifTag.SubIFDOffset },
+        { (ExifTag)ExifTag.GPSIFDOffset },
+        { (ExifTag)ExifTag.T4Options },
+        { (ExifTag)ExifTag.T6Options },
+        { (ExifTag)ExifTag.XClipPathUnits },
+        { (ExifTag)ExifTag.YClipPathUnits },
+        { (ExifTag)ExifTag.ProfileType },
+        { (ExifTag)ExifTag.CodingMethods },
+        { (ExifTag)ExifTag.T82ptions },
+        { (ExifTag)ExifTag.JPEGInterchangeFormat },
+        { (ExifTag)ExifTag.JPEGInterchangeFormatLength },
+        { (ExifTag)ExifTag.MDFileTag },
+        { (ExifTag)ExifTag.StandardOutputSensitivity },
+        { (ExifTag)ExifTag.RecommendedExposureIndex },
+        { (ExifTag)ExifTag.ISOSpeed },
+        { (ExifTag)ExifTag.ISOSpeedLatitudeyyy },
+        { (ExifTag)ExifTag.ISOSpeedLatitudezzz },
+        { (ExifTag)ExifTag.FaxRecvParams },
+        { (ExifTag)ExifTag.FaxRecvTime },
+        { (ExifTag)ExifTag.ImageNumber },
     };
 
     public static TheoryData<ExifTag> LongArrayTags => new()
     {
-        { ExifTag.FreeOffsets },
-        { ExifTag.FreeByteCounts },
-        { ExifTag.ColorResponseUnit },
-        { ExifTag.SMinSampleValue },
-        { ExifTag.SMaxSampleValue },
-        { ExifTag.JPEGQTables },
-        { ExifTag.JPEGDCTables },
-        { ExifTag.JPEGACTables },
-        { ExifTag.StripRowCounts },
-        { ExifTag.IntergraphRegisters }
+        { (ExifTag)ExifTag.FreeOffsets },
+        { (ExifTag)ExifTag.FreeByteCounts },
+        { (ExifTag)ExifTag.ColorResponseUnit },
+        { (ExifTag)ExifTag.SMinSampleValue },
+        { (ExifTag)ExifTag.SMaxSampleValue },
+        { (ExifTag)ExifTag.JPEGQTables },
+        { (ExifTag)ExifTag.JPEGDCTables },
+        { (ExifTag)ExifTag.JPEGACTables },
+        { (ExifTag)ExifTag.StripRowCounts },
+        { (ExifTag)ExifTag.IntergraphRegisters }
     };
 
     public static TheoryData<ExifTag> NumberTags => new()
     {
-        { ExifTag.ImageWidth },
-        { ExifTag.ImageLength },
-        { ExifTag.TileWidth },
-        { ExifTag.TileLength },
-        { ExifTag.BadFaxLines },
-        { ExifTag.ConsecutiveBadFaxLines },
-        { ExifTag.PixelXDimension },
-        { ExifTag.PixelYDimension }
+        { (ExifTag)ExifTag.ImageWidth },
+        { (ExifTag)ExifTag.ImageLength },
+        { (ExifTag)ExifTag.TileWidth },
+        { (ExifTag)ExifTag.TileLength },
+        { (ExifTag)ExifTag.BadFaxLines },
+        { (ExifTag)ExifTag.ConsecutiveBadFaxLines },
+        { (ExifTag)ExifTag.PixelXDimension },
+        { (ExifTag)ExifTag.PixelYDimension }
     };
 
     public static TheoryData<ExifTag> NumberArrayTags => new()
     {
-        { ExifTag.StripOffsets },
-        { ExifTag.StripByteCounts },
-        { ExifTag.TileByteCounts },
-        { ExifTag.TileOffsets },
-        { ExifTag.ImageLayer }
+        { (ExifTag)ExifTag.StripOffsets },
+        { (ExifTag)ExifTag.StripByteCounts },
+        { (ExifTag)ExifTag.TileByteCounts },
+        { (ExifTag)ExifTag.TileOffsets },
+        { (ExifTag)ExifTag.ImageLayer }
     };
 
     public static TheoryData<ExifTag> RationalTags => new()
     {
-        { ExifTag.XPosition },
-        { ExifTag.YPosition },
-        { ExifTag.XResolution },
-        { ExifTag.YResolution },
-        { ExifTag.BatteryLevel },
-        { ExifTag.ExposureTime },
-        { ExifTag.FNumber },
-        { ExifTag.MDScalePixel },
-        { ExifTag.CompressedBitsPerPixel },
-        { ExifTag.ApertureValue },
-        { ExifTag.MaxApertureValue },
-        { ExifTag.SubjectDistance },
-        { ExifTag.FocalLength },
-        { ExifTag.FlashEnergy2 },
-        { ExifTag.FocalPlaneXResolution2 },
-        { ExifTag.FocalPlaneYResolution2 },
-        { ExifTag.ExposureIndex2 },
-        { ExifTag.Humidity },
-        { ExifTag.Pressure },
-        { ExifTag.Acceleration },
-        { ExifTag.FlashEnergy },
-        { ExifTag.FocalPlaneXResolution },
-        { ExifTag.FocalPlaneYResolution },
-        { ExifTag.ExposureIndex },
-        { ExifTag.DigitalZoomRatio },
-        { ExifTag.GPSAltitude },
-        { ExifTag.GPSDOP },
-        { ExifTag.GPSSpeed },
-        { ExifTag.GPSTrack },
-        { ExifTag.GPSImgDirection },
-        { ExifTag.GPSDestBearing },
-        { ExifTag.GPSDestDistance },
-        { ExifTag.GPSHPositioningError },
+        { (ExifTag)ExifTag.XPosition },
+        { (ExifTag)ExifTag.YPosition },
+        { (ExifTag)ExifTag.XResolution },
+        { (ExifTag)ExifTag.YResolution },
+        { (ExifTag)ExifTag.BatteryLevel },
+        { (ExifTag)ExifTag.ExposureTime },
+        { (ExifTag)ExifTag.FNumber },
+        { (ExifTag)ExifTag.MDScalePixel },
+        { (ExifTag)ExifTag.CompressedBitsPerPixel },
+        { (ExifTag)ExifTag.ApertureValue },
+        { (ExifTag)ExifTag.MaxApertureValue },
+        { (ExifTag)ExifTag.SubjectDistance },
+        { (ExifTag)ExifTag.FocalLength },
+        { (ExifTag)ExifTag.FlashEnergy2 },
+        { (ExifTag)ExifTag.FocalPlaneXResolution2 },
+        { (ExifTag)ExifTag.FocalPlaneYResolution2 },
+        { (ExifTag)ExifTag.ExposureIndex2 },
+        { (ExifTag)ExifTag.Humidity },
+        { (ExifTag)ExifTag.Pressure },
+        { (ExifTag)ExifTag.Acceleration },
+        { (ExifTag)ExifTag.FlashEnergy },
+        { (ExifTag)ExifTag.FocalPlaneXResolution },
+        { (ExifTag)ExifTag.FocalPlaneYResolution },
+        { (ExifTag)ExifTag.ExposureIndex },
+        { (ExifTag)ExifTag.DigitalZoomRatio },
+        { (ExifTag)ExifTag.GPSAltitude },
+        { (ExifTag)ExifTag.GPSDOP },
+        { (ExifTag)ExifTag.GPSSpeed },
+        { (ExifTag)ExifTag.GPSTrack },
+        { (ExifTag)ExifTag.GPSImgDirection },
+        { (ExifTag)ExifTag.GPSDestBearing },
+        { (ExifTag)ExifTag.GPSDestDistance },
+        { (ExifTag)ExifTag.GPSHPositioningError },
     };
 
     public static TheoryData<ExifTag> RationalArrayTags => new()
     {
-        { ExifTag.WhitePoint },
-        { ExifTag.PrimaryChromaticities },
-        { ExifTag.YCbCrCoefficients },
-        { ExifTag.ReferenceBlackWhite },
-        { ExifTag.GPSLatitude },
-        { ExifTag.GPSLongitude },
-        { ExifTag.GPSTimestamp },
-        { ExifTag.GPSDestLatitude },
-        { ExifTag.GPSDestLongitude },
-        { ExifTag.LensSpecification }
+        { (ExifTag)ExifTag.WhitePoint },
+        { (ExifTag)ExifTag.PrimaryChromaticities },
+        { (ExifTag)ExifTag.YCbCrCoefficients },
+        { (ExifTag)ExifTag.ReferenceBlackWhite },
+        { (ExifTag)ExifTag.GPSLatitude },
+        { (ExifTag)ExifTag.GPSLongitude },
+        { (ExifTag)ExifTag.GPSTimestamp },
+        { (ExifTag)ExifTag.GPSDestLatitude },
+        { (ExifTag)ExifTag.GPSDestLongitude },
+        { (ExifTag)ExifTag.LensSpecification }
     };
 
     public static TheoryData<ExifTag> ShortTags => new()
     {
-        { ExifTag.OldSubfileType },
-        { ExifTag.Compression },
-        { ExifTag.PhotometricInterpretation },
-        { ExifTag.Thresholding },
-        { ExifTag.CellWidth },
-        { ExifTag.CellLength },
-        { ExifTag.FillOrder },
-        { ExifTag.Orientation },
-        { ExifTag.SamplesPerPixel },
-        { ExifTag.PlanarConfiguration },
-        { ExifTag.Predictor },
-        { ExifTag.GrayResponseUnit },
-        { ExifTag.ResolutionUnit },
-        { ExifTag.CleanFaxData },
-        { ExifTag.InkSet },
-        { ExifTag.NumberOfInks },
-        { ExifTag.DotRange },
-        { ExifTag.Indexed },
-        { ExifTag.OPIProxy },
-        { ExifTag.JPEGProc },
-        { ExifTag.JPEGRestartInterval },
-        { ExifTag.YCbCrPositioning },
-        { ExifTag.Rating },
-        { ExifTag.RatingPercent },
-        { ExifTag.ExposureProgram },
-        { ExifTag.Interlace },
-        { ExifTag.SelfTimerMode },
-        { ExifTag.SensitivityType },
-        { ExifTag.MeteringMode },
-        { ExifTag.LightSource },
-        { ExifTag.FocalPlaneResolutionUnit2 },
-        { ExifTag.SensingMethod2 },
-        { ExifTag.Flash },
-        { ExifTag.ColorSpace },
-        { ExifTag.FocalPlaneResolutionUnit },
-        { ExifTag.SensingMethod },
-        { ExifTag.CustomRendered },
-        { ExifTag.ExposureMode },
-        { ExifTag.WhiteBalance },
-        { ExifTag.FocalLengthIn35mmFilm },
-        { ExifTag.SceneCaptureType },
-        { ExifTag.GainControl },
-        { ExifTag.Contrast },
-        { ExifTag.Saturation },
-        { ExifTag.Sharpness },
-        { ExifTag.SubjectDistanceRange },
-        { ExifTag.GPSDifferential }
+        { (ExifTag)ExifTag.OldSubfileType },
+        { (ExifTag)ExifTag.Compression },
+        { (ExifTag)ExifTag.PhotometricInterpretation },
+        { (ExifTag)ExifTag.Thresholding },
+        { (ExifTag)ExifTag.CellWidth },
+        { (ExifTag)ExifTag.CellLength },
+        { (ExifTag)ExifTag.FillOrder },
+        { (ExifTag)ExifTag.Orientation },
+        { (ExifTag)ExifTag.SamplesPerPixel },
+        { (ExifTag)ExifTag.PlanarConfiguration },
+        { (ExifTag)ExifTag.Predictor },
+        { (ExifTag)ExifTag.GrayResponseUnit },
+        { (ExifTag)ExifTag.ResolutionUnit },
+        { (ExifTag)ExifTag.CleanFaxData },
+        { (ExifTag)ExifTag.InkSet },
+        { (ExifTag)ExifTag.NumberOfInks },
+        { (ExifTag)ExifTag.DotRange },
+        { (ExifTag)ExifTag.Indexed },
+        { (ExifTag)ExifTag.OPIProxy },
+        { (ExifTag)ExifTag.JPEGProc },
+        { (ExifTag)ExifTag.JPEGRestartInterval },
+        { (ExifTag)ExifTag.YCbCrPositioning },
+        { (ExifTag)ExifTag.Rating },
+        { (ExifTag)ExifTag.RatingPercent },
+        { (ExifTag)ExifTag.ExposureProgram },
+        { (ExifTag)ExifTag.Interlace },
+        { (ExifTag)ExifTag.SelfTimerMode },
+        { (ExifTag)ExifTag.SensitivityType },
+        { (ExifTag)ExifTag.MeteringMode },
+        { (ExifTag)ExifTag.LightSource },
+        { (ExifTag)ExifTag.FocalPlaneResolutionUnit2 },
+        { (ExifTag)ExifTag.SensingMethod2 },
+        { (ExifTag)ExifTag.Flash },
+        { (ExifTag)ExifTag.ColorSpace },
+        { (ExifTag)ExifTag.FocalPlaneResolutionUnit },
+        { (ExifTag)ExifTag.SensingMethod },
+        { (ExifTag)ExifTag.CustomRendered },
+        { (ExifTag)ExifTag.ExposureMode },
+        { (ExifTag)ExifTag.WhiteBalance },
+        { (ExifTag)ExifTag.FocalLengthIn35mmFilm },
+        { (ExifTag)ExifTag.SceneCaptureType },
+        { (ExifTag)ExifTag.GainControl },
+        { (ExifTag)ExifTag.Contrast },
+        { (ExifTag)ExifTag.Saturation },
+        { (ExifTag)ExifTag.Sharpness },
+        { (ExifTag)ExifTag.SubjectDistanceRange },
+        { (ExifTag)ExifTag.GPSDifferential }
     };
 
     public static TheoryData<ExifTag> ShortArrayTags => new()
     {
-        { ExifTag.BitsPerSample },
-        { ExifTag.MinSampleValue },
-        { ExifTag.MaxSampleValue },
-        { ExifTag.GrayResponseCurve },
-        { ExifTag.ColorMap },
-        { ExifTag.ExtraSamples },
-        { ExifTag.PageNumber },
-        { ExifTag.TransferFunction },
-        { ExifTag.HalftoneHints },
-        { ExifTag.SampleFormat },
-        { ExifTag.TransferRange },
-        { ExifTag.DefaultImageColor },
-        { ExifTag.JPEGLosslessPredictors },
-        { ExifTag.JPEGPointTransforms },
-        { ExifTag.YCbCrSubsampling },
-        { ExifTag.CFARepeatPatternDim },
-        { ExifTag.IntergraphPacketData },
-        { ExifTag.ISOSpeedRatings },
-        { ExifTag.SubjectArea },
-        { ExifTag.SubjectLocation }
+        { (ExifTag)ExifTag.BitsPerSample },
+        { (ExifTag)ExifTag.MinSampleValue },
+        { (ExifTag)ExifTag.MaxSampleValue },
+        { (ExifTag)ExifTag.GrayResponseCurve },
+        { (ExifTag)ExifTag.ColorMap },
+        { (ExifTag)ExifTag.ExtraSamples },
+        { (ExifTag)ExifTag.PageNumber },
+        { (ExifTag)ExifTag.TransferFunction },
+        { (ExifTag)ExifTag.HalftoneHints },
+        { (ExifTag)ExifTag.SampleFormat },
+        { (ExifTag)ExifTag.TransferRange },
+        { (ExifTag)ExifTag.DefaultImageColor },
+        { (ExifTag)ExifTag.JPEGLosslessPredictors },
+        { (ExifTag)ExifTag.JPEGPointTransforms },
+        { (ExifTag)ExifTag.YCbCrSubsampling },
+        { (ExifTag)ExifTag.CFARepeatPatternDim },
+        { (ExifTag)ExifTag.IntergraphPacketData },
+        { (ExifTag)ExifTag.ISOSpeedRatings },
+        { (ExifTag)ExifTag.SubjectArea },
+        { (ExifTag)ExifTag.SubjectLocation }
     };
 
     public static TheoryData<ExifTag> SignedRationalTags => new()
     {
-        { ExifTag.ShutterSpeedValue },
-        { ExifTag.BrightnessValue },
-        { ExifTag.ExposureBiasValue },
-        { ExifTag.AmbientTemperature },
-        { ExifTag.WaterDepth },
-        { ExifTag.CameraElevationAngle }
+        { (ExifTag)ExifTag.ShutterSpeedValue },
+        { (ExifTag)ExifTag.BrightnessValue },
+        { (ExifTag)ExifTag.ExposureBiasValue },
+        { (ExifTag)ExifTag.AmbientTemperature },
+        { (ExifTag)ExifTag.WaterDepth },
+        { (ExifTag)ExifTag.CameraElevationAngle }
     };
 
     public static TheoryData<ExifTag> SignedRationalArrayTags => new()
     {
-        { ExifTag.Decode }
+        { (ExifTag)ExifTag.Decode }
     };
 
     public static TheoryData<ExifTag> SignedShortArrayTags => new()
     {
-        { ExifTag.TimeZoneOffset }
+        { (ExifTag)ExifTag.TimeZoneOffset }
     };
 
     public static TheoryData<ExifTag> StringTags => new()
     {
-        { ExifTag.ImageDescription },
-        { ExifTag.Make },
-        { ExifTag.Model },
-        { ExifTag.Software },
-        { ExifTag.DateTime },
-        { ExifTag.Artist },
-        { ExifTag.HostComputer },
-        { ExifTag.Copyright },
-        { ExifTag.DocumentName },
-        { ExifTag.PageName },
-        { ExifTag.InkNames },
-        { ExifTag.TargetPrinter },
-        { ExifTag.ImageID },
-        { ExifTag.MDLabName },
-        { ExifTag.MDSampleInfo },
-        { ExifTag.MDPrepDate },
-        { ExifTag.MDPrepTime },
-        { ExifTag.MDFileUnits },
-        { ExifTag.SEMInfo },
-        { ExifTag.SpectralSensitivity },
-        { ExifTag.DateTimeOriginal },
-        { ExifTag.DateTimeDigitized },
-        { ExifTag.SubsecTime },
-        { ExifTag.SubsecTimeOriginal },
-        { ExifTag.SubsecTimeDigitized },
-        { ExifTag.RelatedSoundFile },
-        { ExifTag.FaxSubaddress },
-        { ExifTag.OffsetTime },
-        { ExifTag.OffsetTimeOriginal },
-        { ExifTag.OffsetTimeDigitized },
-        { ExifTag.SecurityClassification },
-        { ExifTag.ImageHistory },
-        { ExifTag.ImageUniqueID },
-        { ExifTag.OwnerName },
-        { ExifTag.SerialNumber },
-        { ExifTag.LensMake },
-        { ExifTag.LensModel },
-        { ExifTag.LensSerialNumber },
-        { ExifTag.GDALMetadata },
-        { ExifTag.GDALNoData },
-        { ExifTag.GPSLatitudeRef },
-        { ExifTag.GPSLongitudeRef },
-        { ExifTag.GPSSatellites },
-        { ExifTag.GPSStatus },
-        { ExifTag.GPSMeasureMode },
-        { ExifTag.GPSSpeedRef },
-        { ExifTag.GPSTrackRef },
-        { ExifTag.GPSImgDirectionRef },
-        { ExifTag.GPSMapDatum },
-        { ExifTag.GPSDestLatitudeRef },
-        { ExifTag.GPSDestLongitudeRef },
-        { ExifTag.GPSDestBearingRef },
-        { ExifTag.GPSDestDistanceRef },
-        { ExifTag.GPSDateStamp },
+        { (ExifTag)ExifTag.ImageDescription },
+        { (ExifTag)ExifTag.Make },
+        { (ExifTag)ExifTag.Model },
+        { (ExifTag)ExifTag.Software },
+        { (ExifTag)ExifTag.DateTime },
+        { (ExifTag)ExifTag.Artist },
+        { (ExifTag)ExifTag.HostComputer },
+        { (ExifTag)ExifTag.Copyright },
+        { (ExifTag)ExifTag.DocumentName },
+        { (ExifTag)ExifTag.PageName },
+        { (ExifTag)ExifTag.InkNames },
+        { (ExifTag)ExifTag.TargetPrinter },
+        { (ExifTag)ExifTag.ImageID },
+        { (ExifTag)ExifTag.MDLabName },
+        { (ExifTag)ExifTag.MDSampleInfo },
+        { (ExifTag)ExifTag.MDPrepDate },
+        { (ExifTag)ExifTag.MDPrepTime },
+        { (ExifTag)ExifTag.MDFileUnits },
+        { (ExifTag)ExifTag.SEMInfo },
+        { (ExifTag)ExifTag.SpectralSensitivity },
+        { (ExifTag)ExifTag.DateTimeOriginal },
+        { (ExifTag)ExifTag.DateTimeDigitized },
+        { (ExifTag)ExifTag.SubsecTime },
+        { (ExifTag)ExifTag.SubsecTimeOriginal },
+        { (ExifTag)ExifTag.SubsecTimeDigitized },
+        { (ExifTag)ExifTag.RelatedSoundFile },
+        { (ExifTag)ExifTag.FaxSubaddress },
+        { (ExifTag)ExifTag.OffsetTime },
+        { (ExifTag)ExifTag.OffsetTimeOriginal },
+        { (ExifTag)ExifTag.OffsetTimeDigitized },
+        { (ExifTag)ExifTag.SecurityClassification },
+        { (ExifTag)ExifTag.ImageHistory },
+        { (ExifTag)ExifTag.ImageUniqueID },
+        { (ExifTag)ExifTag.OwnerName },
+        { (ExifTag)ExifTag.SerialNumber },
+        { (ExifTag)ExifTag.LensMake },
+        { (ExifTag)ExifTag.LensModel },
+        { (ExifTag)ExifTag.LensSerialNumber },
+        { (ExifTag)ExifTag.GDALMetadata },
+        { (ExifTag)ExifTag.GDALNoData },
+        { (ExifTag)ExifTag.GPSLatitudeRef },
+        { (ExifTag)ExifTag.GPSLongitudeRef },
+        { (ExifTag)ExifTag.GPSSatellites },
+        { (ExifTag)ExifTag.GPSStatus },
+        { (ExifTag)ExifTag.GPSMeasureMode },
+        { (ExifTag)ExifTag.GPSSpeedRef },
+        { (ExifTag)ExifTag.GPSTrackRef },
+        { (ExifTag)ExifTag.GPSImgDirectionRef },
+        { (ExifTag)ExifTag.GPSMapDatum },
+        { (ExifTag)ExifTag.GPSDestLatitudeRef },
+        { (ExifTag)ExifTag.GPSDestLongitudeRef },
+        { (ExifTag)ExifTag.GPSDestBearingRef },
+        { (ExifTag)ExifTag.GPSDestDistanceRef },
+        { (ExifTag)ExifTag.GPSDateStamp },
     };
 
     public static TheoryData<ExifTag> UndefinedTags => new()
     {
-        { ExifTag.FileSource },
-        { ExifTag.SceneType }
+        { (ExifTag)ExifTag.FileSource },
+        { (ExifTag)ExifTag.SceneType }
     };
 
     public static TheoryData<ExifTag> UndefinedArrayTags => new()
     {
-        { ExifTag.JPEGTables },
-        { ExifTag.OECF },
-        { ExifTag.ExifVersion },
-        { ExifTag.ComponentsConfiguration },
-        { ExifTag.MakerNote },
-        { ExifTag.FlashpixVersion },
-        { ExifTag.SpatialFrequencyResponse },
-        { ExifTag.SpatialFrequencyResponse2 },
-        { ExifTag.Noise },
-        { ExifTag.CFAPattern },
-        { ExifTag.DeviceSettingDescription },
-        { ExifTag.ImageSourceData },
+        { (ExifTag)ExifTag.JPEGTables },
+        { (ExifTag)ExifTag.OECF },
+        { (ExifTag)ExifTag.ExifVersion },
+        { (ExifTag)ExifTag.ComponentsConfiguration },
+        { (ExifTag)ExifTag.MakerNote },
+        { (ExifTag)ExifTag.FlashpixVersion },
+        { (ExifTag)ExifTag.SpatialFrequencyResponse },
+        { (ExifTag)ExifTag.SpatialFrequencyResponse2 },
+        { (ExifTag)ExifTag.Noise },
+        { (ExifTag)ExifTag.CFAPattern },
+        { (ExifTag)ExifTag.DeviceSettingDescription },
+        { (ExifTag)ExifTag.ImageSourceData },
     };
 
     public static TheoryData<ExifTag> EncodedStringTags => new()
     {
-        { ExifTag.UserComment },
-        { ExifTag.GPSProcessingMethod },
-        { ExifTag.GPSAreaInformation }
+        { (ExifTag)ExifTag.UserComment },
+        { (ExifTag)ExifTag.GPSProcessingMethod },
+        { (ExifTag)ExifTag.GPSAreaInformation }
     };
 
     public static TheoryData<ExifTag> Ucs2StringTags => new()
     {
-        { ExifTag.XPTitle },
-        { ExifTag.XPComment },
-        { ExifTag.XPAuthor },
-        { ExifTag.XPKeywords },
-        { ExifTag.XPSubject },
+        { (ExifTag)ExifTag.XPTitle },
+        { (ExifTag)ExifTag.XPComment },
+        { (ExifTag)ExifTag.XPAuthor },
+        { (ExifTag)ExifTag.XPKeywords },
+        { (ExifTag)ExifTag.XPSubject },
     };
 
     [Theory]

tests/ImageSharp.Tests/PixelFormats/L8Tests.cs

@@ -12,7 +12,7 @@ namespace SixLabors.ImageSharp.Tests.PixelFormats;
 public class L8Tests
 {
     public static readonly TheoryData<byte> LuminanceData
-        = new() { 0, 1, 2, 3, 5, 13, 31, 71, 73, 79, 83, 109, 127, 128, 131, 199, 250, 251, 254, 255 };
+        = new() { (byte)0, (byte)1, (byte)2, (byte)3, (byte)5, (byte)13, (byte)31, (byte)71, (byte)73, (byte)79, (byte)83, (byte)109, (byte)127, (byte)128, (byte)131, (byte)199, (byte)250, (byte)251, (byte)254, (byte)255 };
 
     [Theory]
     [InlineData(0)]

tests/ImageSharp.Tests/PixelFormats/La16Tests.cs

@@ -12,7 +12,7 @@ namespace SixLabors.ImageSharp.Tests.PixelFormats;
 public class La16Tests
 {
     public static readonly TheoryData<byte> LuminanceData
-        = new() { 0, 1, 2, 3, 5, 13, 31, 71, 73, 79, 83, 109, 127, 128, 131, 199, 250, 251, 254, 255 };
+        = new() { (byte)0, (byte)1, (byte)2, (byte)3, (byte)5, (byte)13, (byte)31, (byte)71, (byte)73, (byte)79, (byte)83, (byte)109, (byte)127, (byte)128, (byte)131, (byte)199, (byte)250, (byte)251, (byte)254, (byte)255 };
 
     [Theory]
     [InlineData(0, 0)]

tests/ImageSharp.Tests/PixelFormats/PixelOperations/Generated/PixelOperationsTests.Specialized.Generated.cs

@@ -5,7 +5,6 @@
 
 using SixLabors.ImageSharp.PixelFormats;
 using Xunit;
-using Xunit.Abstractions;
 
 
 namespace SixLabors.ImageSharp.Tests.PixelFormats.PixelOperations;

tests/ImageSharp.Tests/PixelFormats/PixelOperations/PixelOperationsTests.cs

@@ -10,7 +10,6 @@ using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Tests.Common;
 using SixLabors.ImageSharp.Tests.TestUtilities;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.PixelFormats.PixelOperations;
 
@@ -313,38 +312,40 @@ public abstract class PixelOperationsTests<TPixel> : MeasureFixture
             (s, d) => this.Operations.ToVector4(this.Configuration, s, d.GetSpan()));
     }
 
-    public static readonly TheoryData<object> Generic_To_Data = new()
-    {
-        new TestPixel<A8>(),
-        new TestPixel<Abgr32>(),
-        new TestPixel<Argb32>(),
-        new TestPixel<Bgr24>(),
-        new TestPixel<Bgr565>(),
-        new TestPixel<Bgra32>(),
-        new TestPixel<Bgra4444>(),
-        new TestPixel<Bgra5551>(),
-        new TestPixel<Byte4>(),
-        new TestPixel<HalfSingle>(),
-        new TestPixel<HalfVector2>(),
-        new TestPixel<HalfVector4>(),
-        new TestPixel<L16>(),
-        new TestPixel<L8>(),
-        new TestPixel<La16>(),
-        new TestPixel<La32>(),
-        new TestPixel<NormalizedByte2>(),
-        new TestPixel<NormalizedByte4>(),
-        new TestPixel<NormalizedShort2>(),
-        new TestPixel<NormalizedShort4>(),
-        new TestPixel<Rg32>(),
-        new TestPixel<Rgb24>(),
-        new TestPixel<Rgb48>(),
-        new TestPixel<Rgba1010102>(),
-        new TestPixel<Rgba32>(),
-        new TestPixel<Rgba64>(),
-        new TestPixel<RgbaVector>(),
-        new TestPixel<Short2>(),
-        new TestPixel<Short4>(),
-    };
+    public static readonly TheoryData<object> Generic_To_Data = new(
+        new object[]
+        {
+            new TestPixel<A8>(),
+            new TestPixel<Abgr32>(),
+            new TestPixel<Argb32>(),
+            new TestPixel<Bgr24>(),
+            new TestPixel<Bgr565>(),
+            new TestPixel<Bgra32>(),
+            new TestPixel<Bgra4444>(),
+            new TestPixel<Bgra5551>(),
+            new TestPixel<Byte4>(),
+            new TestPixel<HalfSingle>(),
+            new TestPixel<HalfVector2>(),
+            new TestPixel<HalfVector4>(),
+            new TestPixel<L16>(),
+            new TestPixel<L8>(),
+            new TestPixel<La16>(),
+            new TestPixel<La32>(),
+            new TestPixel<NormalizedByte2>(),
+            new TestPixel<NormalizedByte4>(),
+            new TestPixel<NormalizedShort2>(),
+            new TestPixel<NormalizedShort4>(),
+            new TestPixel<Rg32>(),
+            new TestPixel<Rgb24>(),
+            new TestPixel<Rgb48>(),
+            new TestPixel<Rgba1010102>(),
+            new TestPixel<Rgba32>(),
+            new TestPixel<Rgba64>(),
+            new TestPixel<RgbaVector>(),
+            new TestPixel<Short2>(),
+            new TestPixel<Short4>(),
+        }
+    );
 
     [Theory]
     [MemberData(nameof(Generic_To_Data))]

tests/ImageSharp.Tests/Processing/Processors/Convolution/BokehBlurTest.cs

@@ -8,7 +8,7 @@ using SixLabors.ImageSharp.Processing;
 using SixLabors.ImageSharp.Processing.Processors.Convolution;
 using SixLabors.ImageSharp.Tests.TestUtilities;
 using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
-using Xunit.Abstractions;
+using Xunit.Sdk;
 
 namespace SixLabors.ImageSharp.Tests.Processing.Processors.Convolution;
 

tests/ImageSharp.Tests/Processing/Processors/Dithering/DitherTests.cs

@@ -43,8 +43,8 @@ public class DitherTests
     public static readonly TheoryData<IDither> DefaultInstanceDitherers
         = new()
         {
-            default(ErrorDither),
-            default(OrderedDither)
+            (IDither)default(ErrorDither),
+            (IDither)default(OrderedDither)
         };
 
     private static readonly ImageComparer ValidatorComparer = ImageComparer.TolerantPercentage(0.05f);

tests/ImageSharp.Tests/Processing/Processors/Quantization/QuantizerTests.cs

@@ -74,79 +74,79 @@ public class QuantizerTests
     = new()
     {
         // Known uses error diffusion by default.
-        KnownQuantizers.Hexadecatree,
-        KnownQuantizers.WebSafe,
-        KnownQuantizers.Werner,
-        KnownQuantizers.Wu,
-        new HexadecatreeQuantizer(NoDitherOptions),
-        new WebSafePaletteQuantizer(NoDitherOptions),
-        new WernerPaletteQuantizer(NoDitherOptions),
-        new WuQuantizer(NoDitherOptions),
-        new HexadecatreeQuantizer(OrderedDitherOptions),
-        new WebSafePaletteQuantizer(OrderedDitherOptions),
-        new WernerPaletteQuantizer(OrderedDitherOptions),
-        new WuQuantizer(OrderedDitherOptions)
+        (IQuantizer)KnownQuantizers.Hexadecatree,
+        (IQuantizer)KnownQuantizers.WebSafe,
+        (IQuantizer)KnownQuantizers.Werner,
+        (IQuantizer)KnownQuantizers.Wu,
+        (IQuantizer)new HexadecatreeQuantizer(NoDitherOptions),
+        (IQuantizer)new WebSafePaletteQuantizer(NoDitherOptions),
+        (IQuantizer)new WernerPaletteQuantizer(NoDitherOptions),
+        (IQuantizer)new WuQuantizer(NoDitherOptions),
+        (IQuantizer)new HexadecatreeQuantizer(OrderedDitherOptions),
+        (IQuantizer)new WebSafePaletteQuantizer(OrderedDitherOptions),
+        (IQuantizer)new WernerPaletteQuantizer(OrderedDitherOptions),
+        (IQuantizer)new WuQuantizer(OrderedDitherOptions)
     };
 
     public static readonly TheoryData<IQuantizer> DitherScaleQuantizers
     = new()
     {
-        new HexadecatreeQuantizer(Diffuser0_ScaleDitherOptions),
-        new WebSafePaletteQuantizer(Diffuser0_ScaleDitherOptions),
-        new WernerPaletteQuantizer(Diffuser0_ScaleDitherOptions),
-        new WuQuantizer(Diffuser0_ScaleDitherOptions),
-
-        new HexadecatreeQuantizer(Diffuser0_25_ScaleDitherOptions),
-        new WebSafePaletteQuantizer(Diffuser0_25_ScaleDitherOptions),
-        new WernerPaletteQuantizer(Diffuser0_25_ScaleDitherOptions),
-        new WuQuantizer(Diffuser0_25_ScaleDitherOptions),
-
-        new HexadecatreeQuantizer(Diffuser0_5_ScaleDitherOptions),
-        new WebSafePaletteQuantizer(Diffuser0_5_ScaleDitherOptions),
-        new WernerPaletteQuantizer(Diffuser0_5_ScaleDitherOptions),
-        new WuQuantizer(Diffuser0_5_ScaleDitherOptions),
-
-        new HexadecatreeQuantizer(Diffuser0_75_ScaleDitherOptions),
-        new WebSafePaletteQuantizer(Diffuser0_75_ScaleDitherOptions),
-        new WernerPaletteQuantizer(Diffuser0_75_ScaleDitherOptions),
-        new WuQuantizer(Diffuser0_75_ScaleDitherOptions),
-
-        new HexadecatreeQuantizer(DiffuserDitherOptions),
-        new WebSafePaletteQuantizer(DiffuserDitherOptions),
-        new WernerPaletteQuantizer(DiffuserDitherOptions),
-        new WuQuantizer(DiffuserDitherOptions),
-
-        new HexadecatreeQuantizer(Ordered0_ScaleDitherOptions),
-        new WebSafePaletteQuantizer(Ordered0_ScaleDitherOptions),
-        new WernerPaletteQuantizer(Ordered0_ScaleDitherOptions),
-        new WuQuantizer(Ordered0_ScaleDitherOptions),
-
-        new HexadecatreeQuantizer(Ordered0_25_ScaleDitherOptions),
-        new WebSafePaletteQuantizer(Ordered0_25_ScaleDitherOptions),
-        new WernerPaletteQuantizer(Ordered0_25_ScaleDitherOptions),
-        new WuQuantizer(Ordered0_25_ScaleDitherOptions),
-
-        new HexadecatreeQuantizer(Ordered0_5_ScaleDitherOptions),
-        new WebSafePaletteQuantizer(Ordered0_5_ScaleDitherOptions),
-        new WernerPaletteQuantizer(Ordered0_5_ScaleDitherOptions),
-        new WuQuantizer(Ordered0_5_ScaleDitherOptions),
-
-        new HexadecatreeQuantizer(Ordered0_75_ScaleDitherOptions),
-        new WebSafePaletteQuantizer(Ordered0_75_ScaleDitherOptions),
-        new WernerPaletteQuantizer(Ordered0_75_ScaleDitherOptions),
-        new WuQuantizer(Ordered0_75_ScaleDitherOptions),
-
-        new HexadecatreeQuantizer(OrderedDitherOptions),
-        new WebSafePaletteQuantizer(OrderedDitherOptions),
-        new WernerPaletteQuantizer(OrderedDitherOptions),
-        new WuQuantizer(OrderedDitherOptions),
+        (IQuantizer)new HexadecatreeQuantizer(Diffuser0_ScaleDitherOptions),
+        (IQuantizer)new WebSafePaletteQuantizer(Diffuser0_ScaleDitherOptions),
+        (IQuantizer)new WernerPaletteQuantizer(Diffuser0_ScaleDitherOptions),
+        (IQuantizer)new WuQuantizer(Diffuser0_ScaleDitherOptions),
+
+        (IQuantizer)new HexadecatreeQuantizer(Diffuser0_25_ScaleDitherOptions),
+        (IQuantizer)new WebSafePaletteQuantizer(Diffuser0_25_ScaleDitherOptions),
+        (IQuantizer)new WernerPaletteQuantizer(Diffuser0_25_ScaleDitherOptions),
+        (IQuantizer)new WuQuantizer(Diffuser0_25_ScaleDitherOptions),
+
+        (IQuantizer)new HexadecatreeQuantizer(Diffuser0_5_ScaleDitherOptions),
+        (IQuantizer)new WebSafePaletteQuantizer(Diffuser0_5_ScaleDitherOptions),
+        (IQuantizer)new WernerPaletteQuantizer(Diffuser0_5_ScaleDitherOptions),
+        (IQuantizer)new WuQuantizer(Diffuser0_5_ScaleDitherOptions),
+
+        (IQuantizer)new HexadecatreeQuantizer(Diffuser0_75_ScaleDitherOptions),
+        (IQuantizer)new WebSafePaletteQuantizer(Diffuser0_75_ScaleDitherOptions),
+        (IQuantizer)new WernerPaletteQuantizer(Diffuser0_75_ScaleDitherOptions),
+        (IQuantizer)new WuQuantizer(Diffuser0_75_ScaleDitherOptions),
+
+        (IQuantizer)new HexadecatreeQuantizer(DiffuserDitherOptions),
+        (IQuantizer)new WebSafePaletteQuantizer(DiffuserDitherOptions),
+        (IQuantizer)new WernerPaletteQuantizer(DiffuserDitherOptions),
+        (IQuantizer)new WuQuantizer(DiffuserDitherOptions),
+
+        (IQuantizer)new HexadecatreeQuantizer(Ordered0_ScaleDitherOptions),
+        (IQuantizer)new WebSafePaletteQuantizer(Ordered0_ScaleDitherOptions),
+        (IQuantizer)new WernerPaletteQuantizer(Ordered0_ScaleDitherOptions),
+        (IQuantizer)new WuQuantizer(Ordered0_ScaleDitherOptions),
+
+        (IQuantizer)new HexadecatreeQuantizer(Ordered0_25_ScaleDitherOptions),
+        (IQuantizer)new WebSafePaletteQuantizer(Ordered0_25_ScaleDitherOptions),
+        (IQuantizer)new WernerPaletteQuantizer(Ordered0_25_ScaleDitherOptions),
+        (IQuantizer)new WuQuantizer(Ordered0_25_ScaleDitherOptions),
+
+        (IQuantizer)new HexadecatreeQuantizer(Ordered0_5_ScaleDitherOptions),
+        (IQuantizer)new WebSafePaletteQuantizer(Ordered0_5_ScaleDitherOptions),
+        (IQuantizer)new WernerPaletteQuantizer(Ordered0_5_ScaleDitherOptions),
+        (IQuantizer)new WuQuantizer(Ordered0_5_ScaleDitherOptions),
+
+        (IQuantizer)new HexadecatreeQuantizer(Ordered0_75_ScaleDitherOptions),
+        (IQuantizer)new WebSafePaletteQuantizer(Ordered0_75_ScaleDitherOptions),
+        (IQuantizer)new WernerPaletteQuantizer(Ordered0_75_ScaleDitherOptions),
+        (IQuantizer)new WuQuantizer(Ordered0_75_ScaleDitherOptions),
+
+        (IQuantizer)new HexadecatreeQuantizer(OrderedDitherOptions),
+        (IQuantizer)new WebSafePaletteQuantizer(OrderedDitherOptions),
+        (IQuantizer)new WernerPaletteQuantizer(OrderedDitherOptions),
+        (IQuantizer)new WuQuantizer(OrderedDitherOptions),
     };
 
     public static readonly TheoryData<IDither> DefaultInstanceDitherers
         = new()
         {
-            default(ErrorDither),
-            default(OrderedDither)
+            (IDither)default(ErrorDither),
+            (IDither)default(OrderedDither)
         };
 
     private static readonly ImageComparer ValidatorComparer = ImageComparer.TolerantPercentage(0.05F);

tests/ImageSharp.Tests/Processing/Processors/Transforms/AffineTransformTests.cs

@@ -7,7 +7,6 @@ using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing;
 using SixLabors.ImageSharp.Processing.Processors.Transforms;
 using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Processing.Transforms;
 

tests/ImageSharp.Tests/Processing/Processors/Transforms/ProjectiveTransformTests.cs

@@ -9,7 +9,6 @@ using SixLabors.ImageSharp.Processing;
 using SixLabors.ImageSharp.Processing.Processors.Transforms;
 using SixLabors.ImageSharp.Tests.TestUtilities;
 using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
-using Xunit.Abstractions;
 
 // ReSharper disable InconsistentNaming
 namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms;

tests/ImageSharp.Tests/Processing/Processors/Transforms/ResizeKernelMapTests.cs

@@ -4,7 +4,6 @@
 using System.Text;
 using SixLabors.ImageSharp.Processing;
 using SixLabors.ImageSharp.Processing.Processors.Transforms;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.Processing.Processors.Transforms;
 

tests/ImageSharp.Tests/Processing/Processors/Transforms/RotateTests.cs

@@ -15,7 +15,7 @@ public class RotateTests
     public static readonly TheoryData<float> RotateAngles
         = new()
         {
-            50, -50, 170, -170
+            50f, -50f, 170f, -170f
         };
 
     public static readonly TheoryData<RotateMode> RotateEnumValues

tests/ImageSharp.Tests/ProfilingBenchmarks/LoadResizeSaveProfilingBenchmarks.cs

@@ -3,7 +3,6 @@
 
 using SixLabors.ImageSharp.Formats;
 using SixLabors.ImageSharp.Processing;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.ProfilingBenchmarks;
 

tests/ImageSharp.Tests/ProfilingBenchmarks/ResizeProfilingBenchmarks.cs

@@ -3,7 +3,6 @@
 
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.ProfilingBenchmarks;
 

tests/ImageSharp.Tests/TestUtilities/Attributes/ImageDataAttributeBase.cs

@@ -3,6 +3,7 @@
 
 using System.Reflection;
 using Xunit.Sdk;
+using Xunit.v3;
 
 namespace SixLabors.ImageSharp.Tests;
 
@@ -42,11 +43,22 @@ public abstract class ImageDataAttributeBase : DataAttribute
     /// </summary>
     public Type MemberType { get; set; }
 
+    /// <inheritdoc/>
+    public override bool SupportsDiscoveryEnumeration() => true;
+
+    /// <inheritdoc/>
+    public override ValueTask<IReadOnlyCollection<ITheoryDataRow?>> GetData(MethodInfo testMethod, DisposalTracker disposalTracker)
+    {
+        IEnumerable<object[]> rows = this.GetDataRows(testMethod);
+        IReadOnlyCollection<ITheoryDataRow?> result = rows.Select(row => ConvertDataRow(row)).ToList();
+        return new ValueTask<IReadOnlyCollection<ITheoryDataRow?>>(result);
+    }
+
     /// <summary>Returns the data to be used to test the theory.</summary>
     /// <param name="testMethod">The method that is being tested</param>
     /// <returns>One or more sets of theory data. Each invocation of the test method
     /// is represented by a single object array.</returns>
-    public override IEnumerable<object[]> GetData(MethodInfo testMethod)
+    private IEnumerable<object[]> GetDataRows(MethodInfo testMethod)
     {
         IEnumerable<object[]> addedRows = Enumerable.Empty<object[]>().ToArray();
         if (!string.IsNullOrWhiteSpace(this.MemberName))
@@ -59,11 +71,14 @@ public abstract class ImageDataAttributeBase : DataAttribute
                 object obj = accessor();
                 if (obj is IEnumerable<object> memberItems)
                 {
-                    addedRows = memberItems.Select(x => x as object[]);
-                    if (addedRows.Any(x => x == null))
+                    // In xunit.v3, TheoryData<T...> yields ITheoryDataRow, not object[].
+                    // Call GetData() to unpack the row's values.
+                    addedRows = memberItems.Select(x =>
                     {
-                        addedRows = memberItems.Select(x => new[] { x });
-                    }
+                        if (x is ITheoryDataRow row) return row.GetData();
+                        if (x is object[] arr) return arr;
+                        return new[] { x };
+                    });
                 }
             }
         }

tests/ImageSharp.Tests/TestUtilities/BasicSerializer.cs

@@ -2,7 +2,7 @@
 // Licensed under the Six Labors Split License.
 
 using System.ComponentModel;
-using Xunit.Abstractions;
+using Xunit.Sdk;
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities;
 
@@ -13,8 +13,11 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities;
 /// </summary>
 internal class BasicSerializer : IXunitSerializationInfo
 {
-    private readonly Dictionary<string, string> map = [];
+    // Stores (string representation, type) per key.
+    private readonly Dictionary<string, (string str, Type type)> map = [];
 
+    // Separator between key, type AQN and value in the dump format.
+    // ':' is safe because AssemblyQualifiedName and converter output don't contain it.
     public const char Separator = ':';
 
     private string DumpToString(Type type)
@@ -22,14 +25,16 @@ internal class BasicSerializer : IXunitSerializationInfo
         using MemoryStream ms = new();
         using StreamWriter writer = new(ms);
         writer.WriteLine(type.FullName);
-        foreach (KeyValuePair<string, string> kv in this.map)
+        foreach (KeyValuePair<string, (string str, Type t)> kv in this.map)
         {
-            writer.WriteLine($"{kv.Key}{Separator}{kv.Value}");
+            // Format: key:TypeAssemblyQualifiedName:value
+            writer.WriteLine(
+                $"{kv.Key}{Separator}{kv.Value.t.AssemblyQualifiedName}{Separator}{kv.Value.str}"
+            );
         }
 
         writer.Flush();
-        byte[] data = ms.ToArray();
-        return Convert.ToBase64String(data);
+        return Convert.ToBase64String(ms.ToArray());
     }
 
     private Type LoadDump(string dump)
@@ -41,8 +46,13 @@ internal class BasicSerializer : IXunitSerializationInfo
         Type type = Type.GetType(reader.ReadLine());
         for (string s = reader.ReadLine(); s != null; s = reader.ReadLine())
         {
-            string[] kv = s.Split(Separator);
-            this.map[kv[0]] = kv[1];
+            // Format: key:TypeAssemblyQualifiedName:value
+            string[] parts = s.Split(Separator, 3);
+            if (parts.Length == 3)
+            {
+                Type valueType = Type.GetType(parts[1]) ?? typeof(string);
+                this.map[parts[0]] = (parts[2], valueType);
+            }
         }
 
         return type;
@@ -66,6 +76,7 @@ internal class BasicSerializer : IXunitSerializationInfo
         return result;
     }
 
+    /// <inheritdoc/>
     public void AddValue(string key, object value, Type type = null)
     {
         Guard.NotNull(key, nameof(key));
@@ -75,21 +86,19 @@ internal class BasicSerializer : IXunitSerializationInfo
         }
 
         type ??= value.GetType();
-
-        this.map[key] = TypeDescriptor.GetConverter(type).ConvertToInvariantString(value);
+        this.map[key] = (TypeDescriptor.GetConverter(type).ConvertToInvariantString(value), type);
     }
 
-    public object GetValue(string key, Type type)
+    /// <inheritdoc/>
+    public object GetValue(string key)
     {
         Guard.NotNull(key, nameof(key));
 
-        if (!this.map.TryGetValue(key, out string str))
+        if (!this.map.TryGetValue(key, out (string str, Type type) entry))
         {
-            return type.IsValueType ? Activator.CreateInstance(type) : null;
+            return null;
         }
 
-        return TypeDescriptor.GetConverter(type).ConvertFromInvariantString(str);
+        return TypeDescriptor.GetConverter(entry.type).ConvertFromInvariantString(entry.str);
     }
-
-    public T GetValue<T>(string key) => (T)this.GetValue(key, typeof(T));
 }

tests/ImageSharp.Tests/TestUtilities/FeatureTesting/FeatureTestRunner.cs

@@ -4,7 +4,7 @@
 using System.Diagnostics;
 using System.Globalization;
 using Microsoft.DotNet.RemoteExecutor;
-using Xunit.Abstractions;
+using Xunit.Sdk;
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities;
 

tests/ImageSharp.Tests/TestUtilities/ImageProviders/BasicTestPatternProvider.cs

@@ -2,7 +2,7 @@
 // Licensed under the Six Labors Split License.
 
 using System.Numerics;
-using Xunit.Abstractions;
+using Xunit.Sdk;
 
 namespace SixLabors.ImageSharp.Tests;
 

tests/ImageSharp.Tests/TestUtilities/ImageProviders/BlankProvider.cs

@@ -2,8 +2,8 @@
 // Licensed under the Six Labors Split License.
 
 using SixLabors.ImageSharp.PixelFormats;
+using Xunit.Sdk;
 
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests;
 

tests/ImageSharp.Tests/TestUtilities/ImageProviders/FileProvider.cs

@@ -6,8 +6,8 @@ using System.Reflection;
 using SixLabors.ImageSharp.Formats;
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
+using Xunit.Sdk;
 
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests;
 

tests/ImageSharp.Tests/TestUtilities/ImageProviders/MemberMethodProvider.cs

@@ -3,7 +3,7 @@
 
 using System.Reflection;
 using SixLabors.ImageSharp.PixelFormats;
-using Xunit.Abstractions;
+using Xunit.Sdk;
 
 namespace SixLabors.ImageSharp.Tests;
 

tests/ImageSharp.Tests/TestUtilities/ImageProviders/SolidProvider.cs

@@ -3,7 +3,7 @@
 
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
-using Xunit.Abstractions;
+using Xunit.Sdk;
 
 namespace SixLabors.ImageSharp.Tests;
 

tests/ImageSharp.Tests/TestUtilities/ImageProviders/TestImageProvider.cs

@@ -7,8 +7,8 @@ using Castle.Core.Internal;
 using SixLabors.ImageSharp.Formats;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing;
+using Xunit.Sdk;
 
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests;
 

tests/ImageSharp.Tests/TestUtilities/ImageProviders/TestPatternProvider.cs

@@ -4,7 +4,7 @@
 using System.Numerics;
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
-using Xunit.Abstractions;
+using Xunit.Sdk;
 
 namespace SixLabors.ImageSharp.Tests;
 

tests/ImageSharp.Tests/TestUtilities/MeasureFixture.cs

@@ -3,7 +3,6 @@
 
 using System.Diagnostics;
 using System.Runtime.CompilerServices;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests;
 

tests/ImageSharp.Tests/TestUtilities/SixLaborsXunitTestFramework.cs

@@ -3,22 +3,16 @@
 
 using BenchmarkDotNet.Environments;
 using SixLabors.ImageSharp.Tests.TestUtilities;
-using Xunit.Abstractions;
-using Xunit.Sdk;
+using Xunit.v3;
 
-[assembly: Xunit.TestFramework(SixLaborsXunitTestFramework.Type, SixLaborsXunitTestFramework.Assembly)]
+[assembly: Xunit.TestFramework(typeof(SixLaborsXunitTestFramework))]
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities;
 
 public class SixLaborsXunitTestFramework : XunitTestFramework
 {
-    public const string Type = "SixLabors.ImageSharp.Tests.TestUtilities.SixLaborsXunitTestFramework";
-    public const string Assembly = "SixLabors.ImageSharp.Tests";
-
-    public SixLaborsXunitTestFramework(IMessageSink messageSink)
-        : base(messageSink)
+    public SixLaborsXunitTestFramework()
     {
-        DiagnosticMessage message = new(HostEnvironmentInfo.GetInformation());
-        messageSink.OnMessage(message);
+        Console.Error.WriteLine(HostEnvironmentInfo.GetInformation());
     }
 }

tests/ImageSharp.Tests/TestUtilities/TestEnvironment.cs

@@ -15,11 +15,14 @@ public static partial class TestEnvironment
 
     private const string ActualOutputDirectoryRelativePath = @"tests\Images\ActualOutput";
 
-    private const string ReferenceOutputDirectoryRelativePath = @"tests\Images\External\ReferenceOutput";
+    private const string ReferenceOutputDirectoryRelativePath =
+        @"tests\Images\External\ReferenceOutput";
 
     private const string ToolsDirectoryRelativePath = @"tests\Images\External\tools";
 
-    private static readonly Lazy<string> SolutionDirectoryFullPathLazy = new(GetSolutionDirectoryFullPathImpl);
+    private static readonly Lazy<string> SolutionDirectoryFullPathLazy = new(
+        GetSolutionDirectoryFullPathImpl
+    );
 
     private static readonly Lazy<Version> NetCoreVersionLazy = new(GetNetCoreVersion);
 
@@ -52,7 +55,9 @@ public static partial class TestEnvironment
 
     internal static string SolutionDirectoryFullPath => SolutionDirectoryFullPathLazy.Value;
 
-    private static readonly FileInfo TestAssemblyFile = new(typeof(TestEnvironment).GetTypeInfo().Assembly.Location);
+    private static readonly FileInfo TestAssemblyFile = new(
+        typeof(TestEnvironment).GetTypeInfo().Assembly.Location
+    );
 
     private static string GetSolutionDirectoryFullPathImpl()
     {
@@ -68,12 +73,15 @@ public static partial class TestEnvironment
             {
                 throw new DirectoryNotFoundException(
                     $"Unable to find ImageSharp solution directory from {TestAssemblyFile} because of {ex.GetType().Name}!",
-                    ex);
+                    ex
+                );
             }
 
             if (directory == null)
             {
-                throw new DirectoryNotFoundException($"Unable to find ImageSharp solution directory from {TestAssemblyFile}!");
+                throw new DirectoryNotFoundException(
+                    $"Unable to find ImageSharp solution directory from {TestAssemblyFile}!"
+                );
             }
         }
 
@@ -82,7 +90,7 @@ public static partial class TestEnvironment
 
     private static string GetFullPath(string relativePath) =>
         Path.Combine(SolutionDirectoryFullPath, relativePath)
-        .Replace('\\', Path.DirectorySeparatorChar);
+            .Replace('\\', Path.DirectorySeparatorChar);
 
     /// <summary>
     /// Gets the correct full path to the Input Images directory.
@@ -92,17 +100,21 @@ public static partial class TestEnvironment
     /// <summary>
     /// Gets the correct full path to the Actual Output directory. (To be written to by the test cases.)
     /// </summary>
-    internal static string ActualOutputDirectoryFullPath => GetFullPath(ActualOutputDirectoryRelativePath);
+    internal static string ActualOutputDirectoryFullPath =>
+        GetFullPath(ActualOutputDirectoryRelativePath);
 
     /// <summary>
     /// Gets the correct full path to the Expected Output directory. (To compare the test results to.)
     /// </summary>
-    internal static string ReferenceOutputDirectoryFullPath => GetFullPath(ReferenceOutputDirectoryRelativePath);
+    internal static string ReferenceOutputDirectoryFullPath =>
+        GetFullPath(ReferenceOutputDirectoryRelativePath);
 
     internal static string ToolsDirectoryFullPath => GetFullPath(ToolsDirectoryRelativePath);
 
     internal static string GetReferenceOutputFileName(string actualOutputFileName) =>
-        actualOutputFileName.Replace("ActualOutput", @"External\ReferenceOutput").Replace('\\', Path.DirectorySeparatorChar);
+        actualOutputFileName
+            .Replace("ActualOutput", @"External\ReferenceOutput")
+            .Replace('\\', Path.DirectorySeparatorChar);
 
     internal static bool IsLinux => RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
 
@@ -110,7 +122,7 @@ public static partial class TestEnvironment
 
     internal static bool IsMono => Type.GetType("Mono.Runtime") != null; // https://stackoverflow.com/a/721194
 
-    internal static bool IsWindows => RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
+    public static bool IsWindows => RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
 
     internal static bool Is64BitProcess => IntPtr.Size == 8;
 
@@ -123,9 +135,7 @@ public static partial class TestEnvironment
     /// <summary>
     /// A dummy operation to enforce the execution of the static constructor.
     /// </summary>
-    internal static void EnsureSharedInitializersDone()
-    {
-    }
+    internal static void EnsureSharedInitializersDone() { }
 
     /// <summary>
     /// Creates the image output directory.
@@ -164,8 +174,10 @@ public static partial class TestEnvironment
             return;
         }
 
-        string remoteExecutorConfigPath =
-            Path.Combine(TestAssemblyFile.DirectoryName, "Microsoft.DotNet.RemoteExecutor.exe.config");
+        string remoteExecutorConfigPath = Path.Combine(
+            TestAssemblyFile.DirectoryName,
+            "Microsoft.DotNet.RemoteExecutor.exe.config"
+        );
 
         if (File.Exists(remoteExecutorConfigPath))
         {
@@ -196,11 +208,15 @@ public static partial class TestEnvironment
         string windowsSdksDir = Path.Combine(
             Environment.GetEnvironmentVariable("PROGRAMFILES(x86)"),
             "Microsoft SDKs",
-            "Windows");
+            "Windows"
+        );
 
         FileInfo corFlagsFile = Find(new DirectoryInfo(windowsSdksDir), "CorFlags.exe");
 
-        string remoteExecutorPath = Path.Combine(TestAssemblyFile.DirectoryName, "Microsoft.DotNet.RemoteExecutor.exe");
+        string remoteExecutorPath = Path.Combine(
+            TestAssemblyFile.DirectoryName,
+            "Microsoft.DotNet.RemoteExecutor.exe"
+        );
 
         string remoteExecutorTmpPath = $"{remoteExecutorPath}._tmp";
 
@@ -220,7 +236,7 @@ public static partial class TestEnvironment
             Arguments = args,
             UseShellExecute = false,
             RedirectStandardOutput = true,
-            RedirectStandardError = true
+            RedirectStandardError = true,
         };
 
         using Process proc = Process.Start(si);
@@ -231,7 +247,8 @@ public static partial class TestEnvironment
         if (proc.ExitCode != 0)
         {
             throw new Exception(
-                $@"Failed to run {si.FileName} {si.Arguments}:\n STDOUT: {standardOutput}\n STDERR: {standardError}");
+                $@"Failed to run {si.FileName} {si.Arguments}:\n STDOUT: {standardOutput}\n STDERR: {standardError}"
+            );
         }
 
         File.Delete(remoteExecutorPath);
@@ -265,7 +282,10 @@ public static partial class TestEnvironment
     private static Version GetNetCoreVersion()
     {
         Assembly assembly = typeof(System.Runtime.GCSettings).GetTypeInfo().Assembly;
-        string[] assemblyPath = assembly.Location.Split(['/', '\\'], StringSplitOptions.RemoveEmptyEntries);
+        string[] assemblyPath = assembly.Location.Split(
+            ['/', '\\'],
+            StringSplitOptions.RemoveEmptyEntries
+        );
         int netCoreAppIndex = Array.IndexOf(assemblyPath, "Microsoft.NETCore.App");
         if (netCoreAppIndex > 0 && netCoreAppIndex < assemblyPath.Length - 2)
         {

tests/ImageSharp.Tests/TestUtilities/TestPixel.cs

@@ -3,7 +3,7 @@
 
 using System.Numerics;
 using SixLabors.ImageSharp.PixelFormats;
-using Xunit.Abstractions;
+using Xunit.Sdk;
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities;
 

tests/ImageSharp.Tests/TestUtilities/TestType.cs

@@ -1,7 +1,8 @@
 // Copyright (c) Six Labors.
 // Licensed under the Six Labors Split License.
 
-using Xunit.Abstractions;
+
+using Xunit.Sdk;
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities;
 

tests/ImageSharp.Tests/TestUtilities/TestVector4.cs

@@ -2,7 +2,7 @@
 // Licensed under the Six Labors Split License.
 
 using System.Numerics;
-using Xunit.Abstractions;
+using Xunit.Sdk;
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities;
 

tests/ImageSharp.Tests/TestUtilities/Tests/BasicSerializerTests.cs

@@ -2,7 +2,7 @@
 // Licensed under the Six Labors Split License.
 
 using SixLabors.ImageSharp.Tests.TestUtilities;
-using Xunit.Abstractions;
+using Xunit.Sdk;
 
 namespace SixLabors.ImageSharp.Tests;
 
@@ -18,16 +18,16 @@ public class BasicSerializerTests
 
         public virtual void Deserialize(IXunitSerializationInfo info)
         {
-            info.AddValue(nameof(this.Length), this.Length);
-            info.AddValue(nameof(this.Name), this.Name);
-            info.AddValue(nameof(this.Lives), this.Lives);
+            this.Length = info.GetValue<double>(nameof(this.Length));
+            this.Name = info.GetValue<string>(nameof(this.Name));
+            this.Lives = info.GetValue<int>(nameof(this.Lives));
         }
 
         public virtual void Serialize(IXunitSerializationInfo info)
         {
-            this.Length = info.GetValue<double>(nameof(this.Length));
-            this.Name = info.GetValue<string>(nameof(this.Name));
-            this.Lives = info.GetValue<int>(nameof(this.Lives));
+            info.AddValue(nameof(this.Length), this.Length);
+            info.AddValue(nameof(this.Name), this.Name);
+            info.AddValue(nameof(this.Lives), this.Lives);
         }
     }
 
@@ -37,8 +37,8 @@ public class BasicSerializerTests
 
         public override void Deserialize(IXunitSerializationInfo info)
         {
-            this.Strength = info.GetValue<double>(nameof(this.Strength));
             base.Deserialize(info);
+            this.Strength = info.GetValue<double>(nameof(this.Strength));
         }
 
         public override void Serialize(IXunitSerializationInfo info)
@@ -51,7 +51,13 @@ public class BasicSerializerTests
     [Fact]
     public void SerializeDeserialize_ShouldPreserveValues()
     {
-        DerivedObj obj = new() { Length = 123.1, Name = "Lol123!", Lives = 7, Strength = 4.8 };
+        DerivedObj obj = new()
+        {
+            Length = 123.1,
+            Name = "Lol123!",
+            Lives = 7,
+            Strength = 4.8,
+        };
 
         string str = BasicSerializer.Serialize(obj);
         BaseObj mirrorBase = BasicSerializer.Deserialize<BaseObj>(str);

tests/ImageSharp.Tests/TestUtilities/Tests/FeatureTestRunnerTests.cs

@@ -4,8 +4,8 @@
 using System.Numerics;
 using System.Runtime.Intrinsics.Arm;
 using System.Runtime.Intrinsics.X86;
-using Xunit.Abstractions;
 using Aes = System.Runtime.Intrinsics.X86.Aes;
+using Xunit.Sdk;
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities.Tests;
 

tests/ImageSharp.Tests/TestUtilities/Tests/ImageComparerTests.cs

@@ -5,7 +5,6 @@ using Moq;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing;
 using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests;
 

tests/ImageSharp.Tests/TestUtilities/Tests/MagickReferenceCodecTests.cs

@@ -5,7 +5,6 @@ using SixLabors.ImageSharp.Formats;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
 using SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities.Tests;
 

tests/ImageSharp.Tests/TestUtilities/Tests/ReferenceDecoderBenchmarks.cs

@@ -4,7 +4,6 @@
 using SixLabors.ImageSharp.Formats;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities.Tests;
 

tests/ImageSharp.Tests/TestUtilities/Tests/SystemDrawingReferenceCodecTests.cs

@@ -8,7 +8,6 @@ using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing;
 using SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison;
 using SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests.TestUtilities.Tests;
 

tests/ImageSharp.Tests/TestUtilities/Tests/TestEnvironmentTests.cs

@@ -2,22 +2,19 @@
 // Licensed under the Six Labors Split License.
 
 using Microsoft.DotNet.RemoteExecutor;
-
 using SixLabors.ImageSharp.Formats;
 using SixLabors.ImageSharp.Formats.Bmp;
 using SixLabors.ImageSharp.Formats.Gif;
 using SixLabors.ImageSharp.Formats.Jpeg;
 using SixLabors.ImageSharp.Formats.Webp;
 using SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs;
-using Xunit.Abstractions;
 
 // ReSharper disable InconsistentNaming
 namespace SixLabors.ImageSharp.Tests;
 
 public class TestEnvironmentTests
 {
-    public TestEnvironmentTests(ITestOutputHelper output)
-        => this.Output = output;
+    public TestEnvironmentTests(ITestOutputHelper output) => this.Output = output;
 
     private ITestOutputHelper Output { get; }
 
@@ -28,21 +25,24 @@ public class TestEnvironmentTests
     }
 
     [Fact]
-    public void SolutionDirectoryFullPath()
-        => this.CheckPath(TestEnvironment.SolutionDirectoryFullPath);
+    public void SolutionDirectoryFullPath() =>
+        this.CheckPath(TestEnvironment.SolutionDirectoryFullPath);
 
     [Fact]
-    public void InputImagesDirectoryFullPath()
-        => this.CheckPath(TestEnvironment.InputImagesDirectoryFullPath);
+    public void InputImagesDirectoryFullPath() =>
+        this.CheckPath(TestEnvironment.InputImagesDirectoryFullPath);
 
     [Fact]
-    public void ExpectedOutputDirectoryFullPath()
-        => this.CheckPath(TestEnvironment.ReferenceOutputDirectoryFullPath);
+    public void ExpectedOutputDirectoryFullPath() =>
+        this.CheckPath(TestEnvironment.ReferenceOutputDirectoryFullPath);
 
     [Fact]
     public void GetReferenceOutputFileName()
     {
-        string actual = Path.Combine(TestEnvironment.ActualOutputDirectoryFullPath, @"foo\bar\lol.jpeg");
+        string actual = Path.Combine(
+            TestEnvironment.ActualOutputDirectoryFullPath,
+            @"foo\bar\lol.jpeg"
+        );
         string expected = TestEnvironment.GetReferenceOutputFileName(actual);
 
         this.Output.WriteLine(expected);
@@ -55,7 +55,10 @@ public class TestEnvironmentTests
     [InlineData("lol/Baz.JPG", typeof(JpegEncoder))]
     [InlineData("lol/Baz.gif", typeof(GifEncoder))]
     [InlineData("lol/foobar.webp", typeof(WebpEncoder))]
-    public void GetReferenceEncoder_ReturnsCorrectEncoders_Windows(string fileName, Type expectedEncoderType)
+    public void GetReferenceEncoder_ReturnsCorrectEncoders_Windows(
+        string fileName,
+        Type expectedEncoderType
+    )
     {
         if (!TestEnvironment.IsWindows)
         {
@@ -72,7 +75,10 @@ public class TestEnvironmentTests
     [InlineData("lol/Baz.JPG", typeof(JpegDecoder))]
     [InlineData("lol/Baz.gif", typeof(GifDecoder))]
     [InlineData("lol/foobar.webp", typeof(WebpDecoder))]
-    public void GetReferenceDecoder_ReturnsCorrectDecoders_Windows(string fileName, Type expectedDecoderType)
+    public void GetReferenceDecoder_ReturnsCorrectDecoders_Windows(
+        string fileName,
+        Type expectedDecoderType
+    )
     {
         if (!TestEnvironment.IsWindows)
         {
@@ -89,7 +95,10 @@ public class TestEnvironmentTests
     [InlineData("lol/Baz.JPG", typeof(JpegEncoder))]
     [InlineData("lol/Baz.gif", typeof(GifEncoder))]
     [InlineData("lol/foobar.webp", typeof(WebpEncoder))]
-    public void GetReferenceEncoder_ReturnsCorrectEncoders_Linux(string fileName, Type expectedEncoderType)
+    public void GetReferenceEncoder_ReturnsCorrectEncoders_Linux(
+        string fileName,
+        Type expectedEncoderType
+    )
     {
         if (!TestEnvironment.IsLinux)
         {
@@ -106,7 +115,10 @@ public class TestEnvironmentTests
     [InlineData("lol/Baz.JPG", typeof(JpegDecoder))]
     [InlineData("lol/Baz.gif", typeof(GifDecoder))]
     [InlineData("lol/foobar.webp", typeof(WebpDecoder))]
-    public void GetReferenceDecoder_ReturnsCorrectDecoders_Linux(string fileName, Type expectedDecoderType)
+    public void GetReferenceDecoder_ReturnsCorrectDecoders_Linux(
+        string fileName,
+        Type expectedDecoderType
+    )
     {
         if (!TestEnvironment.IsLinux)
         {
@@ -119,9 +131,13 @@ public class TestEnvironmentTests
 
     // RemoteExecutor does not work with "dotnet xunit" used to run tests on 32 bit .NET Framework:
     // https://github.com/SixLabors/ImageSharp/blob/381dff8640b721a34b1227c970fcf6ad6c5e3e72/ci-test.ps1#L30
-    public static bool IsNot32BitNetFramework = !TestEnvironment.IsFramework || TestEnvironment.Is64BitProcess;
+    public static bool IsNot32BitNetFramework =>
+        !TestEnvironment.IsFramework || TestEnvironment.Is64BitProcess;
 
-    [ConditionalFact(nameof(IsNot32BitNetFramework))]
+    [Fact(
+        Skip = "Not supported on 32-bit .NET Framework",
+        SkipUnless = nameof(IsNot32BitNetFramework)
+    )]
     public void RemoteExecutor_FailingRemoteTestShouldFailLocalTest()
     {
         static void FailingCode()
@@ -129,6 +145,8 @@ public class TestEnvironmentTests
             Assert.False(true);
         }
 
-        Assert.ThrowsAny<RemoteExecutionException>(() => RemoteExecutor.Invoke(FailingCode).Dispose());
+        Assert.ThrowsAny<RemoteExecutionException>(() =>
+            RemoteExecutor.Invoke(FailingCode).Dispose()
+        );
     }
 }

tests/ImageSharp.Tests/TestUtilities/Tests/TestImageProviderTests.cs

@@ -8,24 +8,27 @@ using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.Metadata;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Tests.TestUtilities.ReferenceCodecs;
-using Xunit.Abstractions;
 
 // ReSharper disable InconsistentNaming
 namespace SixLabors.ImageSharp.Tests;
 
 public class TestImageProviderTests
 {
-    public static readonly TheoryData<object> BasicData = new()
-    {
-        TestImageProvider<Rgba32>.Blank(10, 20),
-        TestImageProvider<HalfVector4>.Blank(10, 20),
-    };
+    public static readonly TheoryData<object> BasicData = new(
+        new object[]
+        {
+            TestImageProvider<Rgba32>.Blank(10, 20),
+            TestImageProvider<HalfVector4>.Blank(10, 20),
+        }
+    );
 
-    public static readonly TheoryData<object> FileData = new()
-    {
-        TestImageProvider<Rgba32>.File(TestImages.Bmp.Car),
-        TestImageProvider<HalfVector4>.File(TestImages.Bmp.F)
-    };
+    public static readonly TheoryData<object> FileData = new(
+        new object[]
+        {
+            TestImageProvider<Rgba32>.File(TestImages.Bmp.Car),
+            TestImageProvider<HalfVector4>.File(TestImages.Bmp.F),
+        }
+    );
 
     public static string[] AllBmpFiles = [TestImages.Bmp.F, TestImages.Bmp.Bit8];
 

tests/ImageSharp.Tests/TestUtilities/Tests/TestUtilityExtensionsTests.cs

@@ -5,7 +5,6 @@ using System.Numerics;
 using SixLabors.ImageSharp.Memory;
 using SixLabors.ImageSharp.PixelFormats;
 using SixLabors.ImageSharp.Processing;
-using Xunit.Abstractions;
 
 namespace SixLabors.ImageSharp.Tests;
 

tests/ImageSharp.Tests/TestUtilities/XUnit/ConditionalDiscovererException.cs

@@ -0,0 +1,13 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+
+namespace Microsoft.DotNet.XUnitExtensions
+{
+    internal class ConditionalDiscovererException : Exception
+    {
+        public ConditionalDiscovererException(string message)
+            : base(message) { }
+    }
+}

tests/ImageSharp.Tests/TestUtilities/XUnit/ConditionalFact.cs

@@ -0,0 +1,38 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using System.Diagnostics.CodeAnalysis;
+using Microsoft.DotNet.XUnitExtensions;
+using Xunit.Sdk;
+
+namespace Xunit
+{
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
+    public sealed class ConditionalFactAttribute : FactAttribute
+    {
+        [DynamicallyAccessedMembers(StaticReflectionConstants.ConditionalMemberKinds)]
+        public Type CalleeType { get; private set; }
+
+        public string[] ConditionMemberNames { get; private set; }
+
+        public ConditionalFactAttribute(
+            [DynamicallyAccessedMembers(StaticReflectionConstants.ConditionalMemberKinds)]
+            Type calleeType,
+            params string[] conditionMemberNames)
+        {
+            CalleeType = calleeType;
+            ConditionMemberNames = conditionMemberNames;
+            string skipReason = ConditionalTestDiscoverer.EvaluateSkipConditions(calleeType, conditionMemberNames);
+            if (skipReason != null)
+                Skip = skipReason;
+        }
+
+        [Obsolete(
+            "Use the overload that takes a Type parameter: ConditionalFact(typeof(MyClass), nameof(MyCondition)).")]
+        public ConditionalFactAttribute(params string[] conditionMemberNames)
+        {
+            ConditionMemberNames = conditionMemberNames;
+        }
+    }
+}

tests/ImageSharp.Tests/TestUtilities/XUnit/ConditionalTestDiscoverer.cs

@@ -0,0 +1,146 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Reflection;
+using Xunit.Sdk;
+
+namespace Microsoft.DotNet.XUnitExtensions
+{
+    // Internal helper class for code common to conditional test discovery through
+    // [ConditionalFact] and [ConditionalTheory]
+    internal static class ConditionalTestDiscoverer
+    {
+        /// <summary>
+        /// Evaluates skip conditions given an explicit callee type and condition member names.
+        /// Used by attribute constructors in xunit v3 where discoverers are not needed.
+        /// </summary>
+        internal static string EvaluateSkipConditions(
+            [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.All)] Type calleeType,
+            string[] conditionMemberNames
+        )
+        {
+            if (
+                calleeType == null
+                || conditionMemberNames == null
+                || conditionMemberNames.Length == 0
+            )
+                return null;
+
+            List<string> falseConditions = new(conditionMemberNames.Length);
+            foreach (string entry in conditionMemberNames)
+            {
+                if (string.IsNullOrWhiteSpace(entry))
+                    continue;
+
+                Func<bool> conditionFunc = LookupConditionalMember(calleeType, entry);
+                if (conditionFunc == null)
+                    throw new ConditionalDiscovererException(
+                        GetFailedLookupString(entry, calleeType)
+                    );
+
+                try
+                {
+                    if (!conditionFunc())
+                        falseConditions.Add(entry);
+                }
+                catch (Exception exc)
+                {
+                    falseConditions.Add($"{entry} ({exc.GetType().Name})");
+                }
+            }
+
+            return falseConditions.Count > 0
+                ? string.Format(
+                    "Condition(s) not met: \"{0}\"",
+                    string.Join("\", \"", falseConditions)
+                )
+                : null;
+        }
+
+        internal static string GetFailedLookupString(string name, Type type)
+        {
+            return $"An appropriate member '{name}' could not be found. "
+                + $"The conditional method needs to be a static method, property, or field on the type {type} or any ancestor, "
+                + "of any visibility, accepting zero arguments, and having a return type of Boolean.";
+        }
+
+        internal static Func<bool> LookupConditionalMember(Type t, string name)
+        {
+            if (t == null || name == null)
+                return null;
+
+            TypeInfo ti = t.GetTypeInfo();
+
+            MethodInfo mi = ti.GetDeclaredMethod(name);
+            if (
+                mi != null
+                && mi.IsStatic
+                && mi.GetParameters().Length == 0
+                && mi.ReturnType == typeof(bool)
+            )
+                return () => (bool)mi.Invoke(null, null);
+
+            PropertyInfo pi = ti.GetDeclaredProperty(name);
+            if (
+                pi != null
+                && pi.PropertyType == typeof(bool)
+                && pi.GetMethod != null
+                && pi.GetMethod.IsStatic
+                && pi.GetMethod.GetParameters().Length == 0
+            )
+                return () => (bool)pi.GetValue(null);
+
+            FieldInfo fi = ti.GetDeclaredField(name);
+            if (fi != null && fi.FieldType == typeof(bool) && fi.IsStatic)
+                return () => (bool)fi.GetValue(null);
+
+            return LookupConditionalMember(ti.BaseType, name);
+        }
+
+        internal static bool CheckInputToSkipExecution(
+            object[] conditionArguments,
+            ref Type calleeType,
+            ref string[] conditionMemberNames,
+            object testMethod = null
+        )
+        {
+            // A null or empty list of conditionArguments is treated as "no conditions".
+            // and the test cases will be executed.
+            // Example: [ConditionalClass()]
+            if (conditionArguments == null || conditionArguments.Length == 0)
+                return true;
+
+            calleeType = conditionArguments[0] as Type;
+            if (calleeType != null)
+            {
+                if (conditionArguments.Length < 2)
+                {
+                    // [ConditionalFact(typeof(x))] no provided methods.
+                    return true;
+                }
+
+                // [ConditionalFact(typeof(x), "MethodName")]
+                conditionMemberNames = conditionArguments[1] as string[];
+            }
+            else
+            {
+                // For [ConditionalClass], unable to get the Type info. All test cases will be executed.
+                if (testMethod == null)
+                    return true;
+
+                // [ConditionalFact("MethodName")]
+                conditionMemberNames = conditionArguments[0] as string[];
+            }
+
+            // [ConditionalFact((string[]) null)]
+            if (conditionMemberNames == null || conditionMemberNames.Count() == 0)
+                return true;
+
+            return false;
+        }
+    }
+}

tests/ImageSharp.Tests/TestUtilities/XUnit/ConditionalTheory.cs

@@ -0,0 +1,42 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System;
+using System.Diagnostics.CodeAnalysis;
+using Microsoft.DotNet.XUnitExtensions;
+using Xunit.Sdk;
+
+namespace Xunit
+{
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
+    public sealed class ConditionalTheoryAttribute : TheoryAttribute
+    {
+        [DynamicallyAccessedMembers(StaticReflectionConstants.ConditionalMemberKinds)]
+        public Type CalleeType { get; private set; }
+        public string[] ConditionMemberNames { get; private set; }
+
+        public ConditionalTheoryAttribute(
+            [DynamicallyAccessedMembers(StaticReflectionConstants.ConditionalMemberKinds)]
+                Type calleeType,
+            params string[] conditionMemberNames
+        )
+        {
+            CalleeType = calleeType;
+            ConditionMemberNames = conditionMemberNames;
+            string skipReason = ConditionalTestDiscoverer.EvaluateSkipConditions(
+                calleeType,
+                conditionMemberNames
+            );
+            if (skipReason != null)
+                Skip = skipReason;
+        }
+
+        [Obsolete(
+            "Use the overload that takes a Type parameter: ConditionalTheory(typeof(MyClass), nameof(MyCondition))."
+        )]
+        public ConditionalTheoryAttribute(params string[] conditionMemberNames)
+        {
+            ConditionMemberNames = conditionMemberNames;
+        }
+    }
+}

tests/ImageSharp.Tests/TestUtilities/XUnit/StaticReflectionConstants.cs

@@ -0,0 +1,64 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Diagnostics.CodeAnalysis;
+
+namespace Xunit
+{
+    internal static class StaticReflectionConstants
+    {
+        // ConditionalTestDiscoverer looks at all fields/methods/properties, recursively.
+        internal const DynamicallyAccessedMemberTypes ConditionalMemberKinds =
+            DynamicallyAccessedMemberTypes.AllMethods
+            | DynamicallyAccessedMemberTypes.AllFields
+            | DynamicallyAccessedMemberTypes.AllProperties;
+    }
+}
+
+namespace System.Diagnostics.CodeAnalysis
+{
+    // This is a copy of the attribute from CoreLib. The attribute shipped in .NET 5.
+    // The tooling looks for the attribute by name, so we can define a local copy.
+    // This copy can be deleted once we stop supporting anything below .NET 5.
+    internal sealed class DynamicallyAccessedMembersAttribute : Attribute
+    {
+        public DynamicallyAccessedMembersAttribute(DynamicallyAccessedMemberTypes memberTypes) =>
+            MemberTypes = memberTypes;
+
+        public DynamicallyAccessedMemberTypes MemberTypes { get; }
+    }
+
+    internal enum DynamicallyAccessedMemberTypes
+    {
+        None = 0,
+        PublicParameterlessConstructor = 0x0001,
+        PublicConstructors = 0x0002 | PublicParameterlessConstructor,
+        NonPublicConstructors = 0x0004,
+        PublicMethods = 0x0008,
+        NonPublicMethods = 0x0010,
+        PublicFields = 0x0020,
+        NonPublicFields = 0x0040,
+        PublicNestedTypes = 0x0080,
+        NonPublicNestedTypes = 0x0100,
+        PublicProperties = 0x0200,
+        NonPublicProperties = 0x0400,
+        PublicEvents = 0x0800,
+        NonPublicEvents = 0x1000,
+        Interfaces = 0x2000,
+        NonPublicConstructorsWithInherited = NonPublicConstructors | 0x4000,
+        NonPublicMethodsWithInherited = NonPublicMethods | 0x8000,
+        NonPublicFieldsWithInherited = NonPublicFields | 0x10000,
+        NonPublicNestedTypesWithInherited = NonPublicNestedTypes | 0x20000,
+        NonPublicPropertiesWithInherited = NonPublicProperties | 0x40000,
+        NonPublicEventsWithInherited = NonPublicEvents | 0x80000,
+        PublicConstructorsWithInherited = PublicConstructors | 0x100000,
+        PublicNestedTypesWithInherited = PublicNestedTypes | 0x200000,
+        AllConstructors = PublicConstructorsWithInherited | NonPublicConstructorsWithInherited,
+        AllMethods = PublicMethods | NonPublicMethodsWithInherited,
+        AllFields = PublicFields | NonPublicFieldsWithInherited,
+        AllNestedTypes = PublicNestedTypesWithInherited | NonPublicNestedTypesWithInherited,
+        AllProperties = PublicProperties | NonPublicPropertiesWithInherited,
+        AllEvents = PublicEvents | NonPublicEventsWithInherited,
+        All = ~None,
+    }
+}

tests/ImageSharp.Tests/ValidateDisposedMemoryAllocationsAttribute.cs

@@ -2,7 +2,7 @@
 // Licensed under the Six Labors Split License.
 
 using System.Reflection;
-using Xunit.Sdk;
+using Xunit.v3;
 
 namespace SixLabors.ImageSharp.Tests;
 
@@ -19,10 +19,10 @@ public class ValidateDisposedMemoryAllocationsAttribute : BeforeAfterTestAttribu
     public ValidateDisposedMemoryAllocationsAttribute(int expected)
         => this.expected = expected;
 
-    public override void Before(MethodInfo methodUnderTest)
+    public override void Before(MethodInfo methodUnderTest, IXunitTest test)
         => MemoryAllocatorValidator.MonitorAllocations();
 
-    public override void After(MethodInfo methodUnderTest)
+    public override void After(MethodInfo methodUnderTest, IXunitTest test)
     {
         MemoryAllocatorValidator.ValidateAllocations(this.expected);
         MemoryAllocatorValidator.StopMonitoringAllocations();