diff --git a/src/ImageSharp/Colors/PackedPixel/BulkPixelOperations{TColor}.cs b/src/ImageSharp/Colors/PackedPixel/BulkPixelOperations{TColor}.cs
index 557d59a16..31f872e42 100644
--- a/src/ImageSharp/Colors/PackedPixel/BulkPixelOperations{TColor}.cs
+++ b/src/ImageSharp/Colors/PackedPixel/BulkPixelOperations{TColor}.cs
@@ -78,9 +78,9 @@ namespace ImageSharp
         /// <summary>
         /// Bulk version of <see cref="IPixel.PackFromBytes(byte, byte, byte, byte)"/> that converts data in <see cref="ComponentOrder.Xyz"/>.
         /// </summary>
-        /// <param name="sourceBytes"></param>
-        /// <param name="destColors"></param>
-        /// <param name="count"></param>
+        /// <param name="sourceBytes">The <see cref="ArrayPointer{Byte}"/> to the source bytes.</param>
+        /// <param name="destColors">The <see cref="ArrayPointer{TColor}"/> to the destination colors.</param>
+        /// <param name="count">The number of pixels to convert.</param>
         internal virtual void PackFromXyzBytes(
             ArrayPointer<byte> sourceBytes,
             ArrayPointer<TColor> destColors,
@@ -102,15 +102,15 @@ namespace ImageSharp
         /// <summary>
         /// Bulk version of <see cref="IPixel.ToXyzBytes(byte[], int)"/>.
         /// </summary>
-        /// <param name="sourceColors"></param>
-        /// <param name="destBytes"></param>
-        /// <param name="count"></param>
+        /// <param name="sourceColors">The <see cref="ArrayPointer{TColor}"/> to the source colors.</param>
+        /// <param name="destBytes">The <see cref="ArrayPointer{Byte}"/> to the destination bytes.</param>
+        /// <param name="count">The number of pixels to convert.</param>
         internal virtual void PackToXyzBytes(ArrayPointer<TColor> sourceColors, ArrayPointer<byte> destBytes, int count)
         {
             byte* sp = (byte*)sourceColors;
             byte[] dest = destBytes.Array;
 
-            for (int i = destBytes.Offset; i < destBytes.Offset + count * 3; i += 3)
+            for (int i = destBytes.Offset; i < destBytes.Offset + (count * 3); i += 3)
             {
                 TColor c = Unsafe.Read<TColor>(sp);
                 c.ToXyzBytes(dest, i);
@@ -121,9 +121,9 @@ namespace ImageSharp
         /// <summary>
         /// Bulk version of <see cref="IPixel.PackFromBytes(byte, byte, byte, byte)"/> that converts data in <see cref="ComponentOrder.Xyzw"/>.
         /// </summary>
-        /// <param name="sourceBytes"></param>
-        /// <param name="destColors"></param>
-        /// <param name="count"></param>
+        /// <param name="sourceBytes">The <see cref="ArrayPointer{Byte}"/> to the source bytes.</param>
+        /// <param name="destColors">The <see cref="ArrayPointer{TColor}"/> to the destination colors.</param>
+        /// <param name="count">The number of pixels to convert.</param>
         internal virtual void PackFromXyzwBytes(
             ArrayPointer<byte> sourceBytes,
             ArrayPointer<TColor> destColors,
@@ -145,9 +145,9 @@ namespace ImageSharp
         /// <summary>
         /// Bulk version of <see cref="IPixel.ToXyzwBytes(byte[], int)"/>.
         /// </summary>
-        /// <param name="sourceColors"></param>
-        /// <param name="destBytes"></param>
-        /// <param name="count"></param>
+        /// <param name="sourceColors">The <see cref="ArrayPointer{TColor}"/> to the source colors.</param>
+        /// <param name="destBytes">The <see cref="ArrayPointer{Byte}"/> to the destination bytes.</param>
+        /// <param name="count">The number of pixels to convert.</param>
         internal virtual void PackToXyzwBytes(
             ArrayPointer<TColor> sourceColors,
             ArrayPointer<byte> destBytes,
@@ -156,7 +156,7 @@ namespace ImageSharp
             byte* sp = (byte*)sourceColors;
             byte[] dest = destBytes.Array;
 
-            for (int i = destBytes.Offset; i < destBytes.Offset + count * 4; i += 4)
+            for (int i = destBytes.Offset; i < destBytes.Offset + (count * 4); i += 4)
             {
                 TColor c = Unsafe.Read<TColor>(sp);
                 c.ToXyzwBytes(dest, i);
@@ -167,9 +167,9 @@ namespace ImageSharp
         /// <summary>
         /// Bulk version of <see cref="IPixel.PackFromBytes(byte, byte, byte, byte)"/> that converts data in <see cref="ComponentOrder.Zyx"/>.
         /// </summary>
-        /// <param name="sourceBytes"></param>
-        /// <param name="destColors"></param>
-        /// <param name="count"></param>
+        /// <param name="sourceBytes">The <see cref="ArrayPointer{Byte}"/> to the source bytes.</param>
+        /// <param name="destColors">The <see cref="ArrayPointer{TColor}"/> to the destination colors.</param>
+        /// <param name="count">The number of pixels to convert.</param>
         internal virtual void PackFromZyxBytes(
             ArrayPointer<byte> sourceBytes,
             ArrayPointer<TColor> destColors,
@@ -191,15 +191,15 @@ namespace ImageSharp
         /// <summary>
         /// Bulk version of <see cref="IPixel.ToZyxBytes(byte[], int)"/>.
         /// </summary>
-        /// <param name="sourceColors"></param>
-        /// <param name="destBytes"></param>
-        /// <param name="count"></param>
+        /// <param name="sourceColors">The <see cref="ArrayPointer{TColor}"/> to the source colors.</param>
+        /// <param name="destBytes">The <see cref="ArrayPointer{Byte}"/> to the destination bytes.</param>
+        /// <param name="count">The number of pixels to convert.</param>
         internal virtual void PackToZyxBytes(ArrayPointer<TColor> sourceColors, ArrayPointer<byte> destBytes, int count)
         {
             byte* sp = (byte*)sourceColors;
             byte[] dest = destBytes.Array;
 
-            for (int i = destBytes.Offset; i < destBytes.Offset + count * 3; i += 3)
+            for (int i = destBytes.Offset; i < destBytes.Offset + (count * 3); i += 3)
             {
                 TColor c = Unsafe.Read<TColor>(sp);
                 c.ToZyxBytes(dest, i);
@@ -210,9 +210,9 @@ namespace ImageSharp
         /// <summary>
         /// Bulk version of <see cref="IPixel.PackFromBytes(byte, byte, byte, byte)"/> that converts data in <see cref="ComponentOrder.Zyxw"/>.
         /// </summary>
-        /// <param name="sourceBytes"></param>
-        /// <param name="destColors"></param>
-        /// <param name="count"></param>
+        /// <param name="sourceBytes">The <see cref="ArrayPointer{Byte}"/> to the source bytes.</param>
+        /// <param name="destColors">The <see cref="ArrayPointer{TColor}"/> to the destination colors.</param>
+        /// <param name="count">The number of pixels to convert.</param>
         internal virtual void PackFromZyxwBytes(
             ArrayPointer<byte> sourceBytes,
             ArrayPointer<TColor> destColors,
@@ -234,9 +234,9 @@ namespace ImageSharp
         /// <summary>
         /// Bulk version of <see cref="IPixel.ToZyxwBytes(byte[], int)"/>.
         /// </summary>
-        /// <param name="sourceColors"></param>
-        /// <param name="destBytes"></param>
-        /// <param name="count"></param>
+        /// <param name="sourceColors">The <see cref="ArrayPointer{TColor}"/> to the source colors.</param>
+        /// <param name="destBytes">The <see cref="ArrayPointer{Byte}"/> to the destination bytes.</param>
+        /// <param name="count">The number of pixels to convert.</param>
         internal virtual void PackToZyxwBytes(
             ArrayPointer<TColor> sourceColors,
             ArrayPointer<byte> destBytes,
@@ -245,7 +245,7 @@ namespace ImageSharp
             byte* sp = (byte*)sourceColors;
             byte[] dest = destBytes.Array;
 
-            for (int i = destBytes.Offset; i < destBytes.Offset + count * 4; i += 4)
+            for (int i = destBytes.Offset; i < destBytes.Offset + (count * 4); i += 4)
             {
                 TColor c = Unsafe.Read<TColor>(sp);
                 c.ToZyxwBytes(dest, i);
diff --git a/src/ImageSharp/Colors/PackedPixel/HalfVector2.cs b/src/ImageSharp/Colors/PackedPixel/HalfVector2.cs
index 778f86e0f..68cb42735 100644
--- a/src/ImageSharp/Colors/PackedPixel/HalfVector2.cs
+++ b/src/ImageSharp/Colors/PackedPixel/HalfVector2.cs
@@ -45,7 +45,7 @@ namespace ImageSharp
 
         /// <inheritdoc/>
         public uint PackedValue { get; set; }
-        
+
         /// <inheritdoc />
         public BulkPixelOperations<HalfVector2> BulkOperations => new BulkPixelOperations<HalfVector2>();
 
diff --git a/src/ImageSharp/Colors/PackedPixel/NormalizedByte4.cs b/src/ImageSharp/Colors/PackedPixel/NormalizedByte4.cs
index cba3f0e86..4511060e4 100644
--- a/src/ImageSharp/Colors/PackedPixel/NormalizedByte4.cs
+++ b/src/ImageSharp/Colors/PackedPixel/NormalizedByte4.cs
@@ -52,7 +52,7 @@ namespace ImageSharp
 
         /// <inheritdoc/>
         public uint PackedValue { get; set; }
-        
+
         /// <inheritdoc />
         public BulkPixelOperations<NormalizedByte4> BulkOperations => new BulkPixelOperations<NormalizedByte4>();
 
diff --git a/src/ImageSharp/Common/Memory/ArrayPointer.cs b/src/ImageSharp/Common/Memory/ArrayPointer.cs
index 56cae35a4..342eaa6c8 100644
--- a/src/ImageSharp/Common/Memory/ArrayPointer.cs
+++ b/src/ImageSharp/Common/Memory/ArrayPointer.cs
@@ -1,3 +1,8 @@
+// <copyright file="ArrayPointer.cs" company="James Jackson-South">
+// Copyright (c) James Jackson-South and contributors.
+// Licensed under the Apache License, Version 2.0.
+// </copyright>
+
 namespace ImageSharp
 {
     using System.Runtime.CompilerServices;
@@ -7,6 +12,12 @@ namespace ImageSharp
     /// </summary>
     internal static class ArrayPointer
     {
+        /// <summary>
+        /// Gets an <see cref="ArrayPointer{T}"/> to the beginning of the raw data in 'buffer'.
+        /// </summary>
+        /// <typeparam name="T">The element type</typeparam>
+        /// <param name="buffer">The input <see cref="PinnedBuffer{T}"/></param>
+        /// <returns>The <see cref="ArrayPointer{T}"/></returns>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static unsafe ArrayPointer<T> GetArrayPointer<T>(this PinnedBuffer<T> buffer)
             where T : struct
@@ -14,6 +25,13 @@ namespace ImageSharp
             return new ArrayPointer<T>(buffer.Array, (void*)buffer.Pointer);
         }
 
+        /// <summary>
+        /// Copy 'count' number of elements of the same type from 'source' to 'dest'
+        /// </summary>
+        /// <typeparam name="T">The element type.</typeparam>
+        /// <param name="source">The input <see cref="ArrayPointer{T}"/></param>
+        /// <param name="destination">The destination <see cref="ArrayPointer{T}"/>.</param>
+        /// <param name="count">The number of elements to copy</param>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static unsafe void Copy<T>(ArrayPointer<T> source, ArrayPointer<T> destination, int count)
             where T : struct
@@ -21,6 +39,13 @@ namespace ImageSharp
             Unsafe.CopyBlock((void*)source.PointerAtOffset, (void*)destination.PointerAtOffset, USizeOf<T>(count));
         }
 
+        /// <summary>
+        /// Copy 'countInSource' elements of <typeparamref name="T"/> from 'source' into the raw byte buffer 'destination'.
+        /// </summary>
+        /// <typeparam name="T">The element type.</typeparam>
+        /// <param name="source">The source buffer of <typeparamref name="T"/> elements to copy from.</param>
+        /// <param name="destination">The destination buffer.</param>
+        /// <param name="countInSource">The number of elements to copy from 'source'</param>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static unsafe void Copy<T>(ArrayPointer<T> source, ArrayPointer<byte> destination, int countInSource)
             where T : struct
@@ -28,6 +53,13 @@ namespace ImageSharp
             Unsafe.CopyBlock((void*)source.PointerAtOffset, (void*)destination.PointerAtOffset, USizeOf<T>(countInSource));
         }
 
+        /// <summary>
+        /// Copy 'countInDest' number of <typeparamref name="T"/> elements into 'dest' from a raw byte buffer defined by 'source'.
+        /// </summary>
+        /// <typeparam name="T">The element type.</typeparam>
+        /// <param name="source">The raw source buffer to copy from"/></param>
+        /// <param name="destination">The destination buffer"/></param>
+        /// <param name="countInDest">The number of <typeparamref name="T"/> elements to copy.</param>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static unsafe void Copy<T>(ArrayPointer<byte> source, ArrayPointer<T> destination, int countInDest)
             where T : struct
@@ -38,6 +70,7 @@ namespace ImageSharp
         /// <summary>
         /// Gets the size of `count` elements in bytes.
         /// </summary>
+        /// <typeparam name="T">The element type.</typeparam>
         /// <param name="count">The count of the elements</param>
         /// <returns>The size in bytes as int</returns>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -47,6 +80,7 @@ namespace ImageSharp
         /// <summary>
         /// Gets the size of `count` elements in bytes as UInt32
         /// </summary>
+        /// <typeparam name="T">The element type.</typeparam>
         /// <param name="count">The count of the elements</param>
         /// <returns>The size in bytes as UInt32</returns>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
diff --git a/src/ImageSharp/Common/Memory/ArrayPointer{T}.cs b/src/ImageSharp/Common/Memory/ArrayPointer{T}.cs
index e0b728095..9cbbaf094 100644
--- a/src/ImageSharp/Common/Memory/ArrayPointer{T}.cs
+++ b/src/ImageSharp/Common/Memory/ArrayPointer{T}.cs
@@ -73,7 +73,7 @@ namespace ImageSharp
         /// </summary>
         /// <param name="arrayPointer">The <see cref="ArrayPointer{T}"/> to convert</param>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static explicit operator void* (ArrayPointer<T> arrayPointer)
+        public static explicit operator void*(ArrayPointer<T> arrayPointer)
         {
             return (void*)arrayPointer.PointerAtOffset;
         }
@@ -83,7 +83,7 @@ namespace ImageSharp
         /// </summary>
         /// <param name="arrayPointer">The <see cref="ArrayPointer{T}"/> to convert</param>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static explicit operator byte* (ArrayPointer<T> arrayPointer)
+        public static explicit operator byte*(ArrayPointer<T> arrayPointer)
         {
             return (byte*)arrayPointer.PointerAtOffset;
         }
diff --git a/src/ImageSharp/Common/Memory/PinnedBuffer.cs b/src/ImageSharp/Common/Memory/PinnedBuffer{T}.cs
similarity index 93%
rename from src/ImageSharp/Common/Memory/PinnedBuffer.cs
rename to src/ImageSharp/Common/Memory/PinnedBuffer{T}.cs
index 201d93b56..d95d67557 100644
--- a/src/ImageSharp/Common/Memory/PinnedBuffer.cs
+++ b/src/ImageSharp/Common/Memory/PinnedBuffer{T}.cs
@@ -1,3 +1,8 @@
+// <copyright file="PinnedBuffer{T}.cs" company="James Jackson-South">
+// Copyright (c) James Jackson-South and contributors.
+// Licensed under the Apache License, Version 2.0.
+// </copyright>
+
 namespace ImageSharp
 {
     using System;
@@ -21,7 +26,7 @@ namespace ImageSharp
         /// A value indicating wether this <see cref="PinnedBuffer{T}"/> instance should return the array to the pool.
         /// </summary>
         private bool isPoolingOwner;
-        
+
         /// <summary>
         /// Initializes a new instance of the <see cref="PinnedBuffer{T}"/> class.
         /// </summary>
@@ -56,11 +61,15 @@ namespace ImageSharp
             {
                 throw new ArgumentException("Can't initialize a PinnedBuffer with array.Length < count", nameof(array));
             }
+
             this.Count = count;
             this.Array = array;
             this.Pin();
         }
 
+        /// <summary>
+        /// Finalizes an instance of the <see cref="PinnedBuffer{T}"/> class.
+        /// </summary>
         ~PinnedBuffer()
         {
             this.UnPin();
@@ -71,14 +80,13 @@ namespace ImageSharp
         /// </summary>
         public bool IsDisposedOrLostArrayOwnership { get; private set; }
 
-
         /// <summary>
         /// Gets the count of "relevant" elements. Usually be smaller than 'Array.Length' when <see cref="Array"/> is pooled.
         /// </summary>
         public int Count { get; private set; }
 
         /// <summary>
-        /// The (pinned) array of elements.
+        /// Gets the backing pinned array.
         /// </summary>
         public T[] Array { get; private set; }
 
@@ -96,6 +104,7 @@ namespace ImageSharp
             {
                 return;
             }
+
             this.IsDisposedOrLostArrayOwnership = true;
             this.UnPin();
 
@@ -147,6 +156,7 @@ namespace ImageSharp
             {
                 return;
             }
+
             this.handle.Free();
             this.Pointer = IntPtr.Zero;
         }
diff --git a/src/ImageSharp/Common/Memory/PixelDataPool{T}.cs b/src/ImageSharp/Common/Memory/PixelDataPool{T}.cs
index f6f6a1042..74f0c1e8e 100644
--- a/src/ImageSharp/Common/Memory/PixelDataPool{T}.cs
+++ b/src/ImageSharp/Common/Memory/PixelDataPool{T}.cs
@@ -1,4 +1,4 @@
-// <copyright file="PixelDataPool{TColor}.cs" company="James Jackson-South">
+// <copyright file="PixelDataPool{T}.cs" company="James Jackson-South">
 // Copyright (c) James Jackson-South and contributors.
 // Licensed under the Apache License, Version 2.0.
 // </copyright>
diff --git a/src/ImageSharp/Image/ImageBase{TColor}.cs b/src/ImageSharp/Image/ImageBase{TColor}.cs
index 9bd760805..c2110eca4 100644
--- a/src/ImageSharp/Image/ImageBase{TColor}.cs
+++ b/src/ImageSharp/Image/ImageBase{TColor}.cs
@@ -163,9 +163,9 @@ namespace ImageSharp
         {
             Guard.NotNull(pixelSource, nameof(pixelSource));
 
-            // TODO: This check was useful. We can introduce a bool PixelAccessor<TColor>.IsBoundToImage to re-introduce it.
-            // Guard.IsTrue(pixelSource.PooledMemory, nameof(pixelSource.PooledMemory), "pixelSource must be using pooled memory");
+            // TODO: Was this check really useful? If yes, we can define a bool PixelAccessor<TColor>.IsBoundToImage to re-introduce it:
 
+            // Guard.IsTrue(pixelSource.PooledMemory, nameof(pixelSource.PooledMemory), "pixelSource must be using pooled memory");
             int newWidth = pixelSource.Width;
             int newHeight = pixelSource.Height;
 
diff --git a/src/ImageSharp/Image/PixelAccessor{TColor}.cs b/src/ImageSharp/Image/PixelAccessor{TColor}.cs
index 3a3f0f5c7..9201270d9 100644
--- a/src/ImageSharp/Image/PixelAccessor{TColor}.cs
+++ b/src/ImageSharp/Image/PixelAccessor{TColor}.cs
@@ -22,7 +22,7 @@ namespace ImageSharp
         /// The position of the first pixel in the image.
         /// </summary>
         private byte* pixelsBase;
-        
+
         /// <summary>
         /// A value indicating whether this instance of the given entity has been disposed.
         /// </summary>
@@ -86,11 +86,6 @@ namespace ImageSharp
             Guard.MustBeGreaterThan(width, 0, nameof(width));
             Guard.MustBeGreaterThan(height, 0, nameof(height));
 
-            //if (!(pixels.Length >= width * height))
-            //{
-            //    throw new ArgumentException($"Pixel array must have the length of at least {width * height}.");
-            //}
-
             this.SetPixelBufferUnsafe(width, height, pixels);
 
             this.ParallelOptions = Configuration.Default.ParallelOptions;
@@ -103,7 +98,7 @@ namespace ImageSharp
         {
             this.Dispose();
         }
-        
+
         /// <summary>
         /// Gets the pixel buffer array.
         /// </summary>
@@ -230,7 +225,7 @@ namespace ImageSharp
             {
                 return;
             }
-            
+
             // Note disposing is done.
             this.isDisposed = true;
 
@@ -513,36 +508,6 @@ namespace ImageSharp
             this.RowStride = this.Width * this.PixelSize;
         }
 
-        ///// <summary>
-        ///// Pins the pixels data.
-        ///// </summary>
-        //private void PinPixels()
-        //{
-        //    // unpin any old pixels just incase
-        //    this.UnPinPixels();
-
-        //    this.pixelsHandle = GCHandle.Alloc(this.pixelBuffer, GCHandleType.Pinned);
-        //    this.dataPointer = this.pixelsHandle.AddrOfPinnedObject();
-        //    this.pixelsBase = (byte*)this.dataPointer.ToPointer();
-        //}
-
-        ///// <summary>
-        ///// Unpins pixels data.
-        ///// </summary>
-        //private void UnPinPixels()
-        //{
-        //    if (this.pixelsBase != null)
-        //    {
-        //        if (this.pixelsHandle.IsAllocated)
-        //        {
-        //            this.pixelsHandle.Free();
-        //        }
-
-        //        this.dataPointer = IntPtr.Zero;
-        //        this.pixelsBase = null;
-        //    }
-        //}
-
         /// <summary>
         /// Copy an area of pixels to the image.
         /// </summary>
diff --git a/src/ImageSharp/Image/PixelArea{TColor}.cs b/src/ImageSharp/Image/PixelArea{TColor}.cs
index 25840167e..c54de12d6 100644
--- a/src/ImageSharp/Image/PixelArea{TColor}.cs
+++ b/src/ImageSharp/Image/PixelArea{TColor}.cs
@@ -69,7 +69,6 @@ namespace ImageSharp
             this.Length = bytes.Length; // TODO: Is this the right value for Length?
 
             this.byteBuffer = new PinnedBuffer<byte>(bytes);
-            
             this.PixelBase = (byte*)this.byteBuffer.Pointer;
         }
 
@@ -123,7 +122,7 @@ namespace ImageSharp
             this.byteBuffer = new PinnedBuffer<byte>(this.Length);
             this.PixelBase = (byte*)this.byteBuffer.Pointer;
         }
-        
+
         /// <summary>
         /// Gets the data in bytes.
         /// </summary>
@@ -163,7 +162,7 @@ namespace ImageSharp
         /// Gets the width.
         /// </summary>
         public int Width { get; }
-        
+
         /// <summary>
         /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
         /// </summary>
@@ -249,6 +248,6 @@ namespace ImageSharp
                           nameof(bytes),
                           $"Invalid byte array length. Length {bytes.Length}; Should be {requiredLength}.");
             }
-        }    
+        }
     }
 }
\ No newline at end of file
diff --git a/tests/ImageSharp.Tests/Colors/BulkPixelOperationsTests.cs b/tests/ImageSharp.Tests/Colors/BulkPixelOperationsTests.cs
index 3682aa78a..4e1083033 100644
--- a/tests/ImageSharp.Tests/Colors/BulkPixelOperationsTests.cs
+++ b/tests/ImageSharp.Tests/Colors/BulkPixelOperationsTests.cs
@@ -9,11 +9,13 @@
     {
         public class Color : BulkPixelOperationsTests<ImageSharp.Color>
         {
+            // MemberData does not work without redeclaring the public field in the derived test class:
             public static TheoryData<int> ArraySizesData = new TheoryData<int> { 7, 16, 1111 };
         }
 
         public class Argb : BulkPixelOperationsTests<ImageSharp.Argb>
         {
+            // MemberData does not work without redeclaring the public field in the derived test class:
             public static TheoryData<int> ArraySizesData = new TheoryData<int> { 7, 16, 1111 };
         }
     }
@@ -21,7 +23,8 @@
     public abstract class BulkPixelOperationsTests<TColor>
         where TColor : struct, IPixel<TColor>
     {
-        protected static TheoryData<int> ArraySizesData = new TheoryData<int> { 7, 16, 1111 };
+        // The field is private so it can be safely redeclared in inherited non-abstract test classes.
+        private static TheoryData<int> ArraySizesData = new TheoryData<int> { 7, 16, 1111 };
         
         [Theory]
         [MemberData(nameof(ArraySizesData))]