...

src/CodeProject.ObjectPool/Core/PooledObjectBuffer.cs

@@ -38,10 +38,15 @@ namespace CodeProject.ObjectPool.Core
     public sealed class PooledObjectBuffer<T>
         where T : PooledObject
     {
+        /// <summary>
+        ///   Used as default value for <see cref="_pooledObjects"/>.
+        /// </summary>
+        private static readonly T[] NoObjects = new T[0];
+
         /// <summary>
         ///   The concurrent buffer containing pooled objects.
         /// </summary>
-        private T[] _pooledObjects;
+        private T[] _pooledObjects = NoObjects;
 
         public int Capacity => _pooledObjects.Length;
 
@@ -107,24 +112,24 @@ public bool TryEnqueue(T pooledObject)
             return false;
         }
 
-        public void ResizeBuffer(int newSize)
+        public void Resize(int newCapacity)
         {
-            if (_pooledObjects == null)
+            if (_pooledObjects == NoObjects)
             {
-                _pooledObjects = new T[newSize];
+                _pooledObjects = new T[newCapacity];
                 return;
             }
 
-            var currentSize = _pooledObjects.Length;
-            if (currentSize == newSize)
+            var currentCapacity = _pooledObjects.Length;
+            if (currentCapacity == newCapacity)
             {
                 // Nothing to do.
                 return;
             }
 
-            if (currentSize > newSize)
+            if (currentCapacity > newCapacity)
             {
-                for (var i = newSize; i < currentSize; ++i)
+                for (var i = newCapacity; i < currentCapacity; ++i)
                 {
                     ref var item = ref _pooledObjects[i];
                     if (item != null)
@@ -135,7 +140,7 @@ public void ResizeBuffer(int newSize)
                 }
             }
 
-            Array.Resize(ref _pooledObjects, newSize);
+            Array.Resize(ref _pooledObjects, newCapacity);
         }
     }
 }

src/CodeProject.ObjectPool/ObjectPool.cs

@@ -66,7 +66,7 @@ public int MaximumPoolSize
                 // Preconditions
                 Raise.ArgumentOutOfRangeException.If(value < 1, nameof(value), ErrorMessages.NegativeOrZeroMaximumPoolSize);
 
-                _pooledObjects.ResizeBuffer(value);
+                _pooledObjects.Resize(value);
             }
         }
 

src/CodeProject.ObjectPool/PooledObject.cs

@@ -9,7 +9,9 @@
  */
 
 using CodeProject.ObjectPool.Core;
+using PommaLabs.Thrower.Goodies;
 using System;
+using System.Collections.Generic;
 
 #if !NET35
 
@@ -23,7 +25,7 @@ namespace CodeProject.ObjectPool
     ///   PooledObject base class.
     /// </summary>
     [Serializable]
-    public abstract class PooledObject : IDisposable
+    public abstract class PooledObject : EquatableObject<PooledObject>, IDisposable
     {
         #region Logging
 
@@ -135,13 +137,10 @@ protected virtual void OnReleaseResources()
 
         #region Returning object to pool - Dispose and Finalizer
 
-#pragma warning disable CC0029 // Disposables Should Call Suppress Finalize
-
         /// <summary>
         ///   See <see cref="IDisposable"/> docs.
         /// </summary>
         public void Dispose()
-#pragma warning restore CC0029 // Disposables Should Call Suppress Finalize
         {
             // Returning to pool
             HandleReAddingToPool(false);
@@ -186,5 +185,35 @@ private void HandleReAddingToPool(bool reRegisterForFinalization)
         }
 
         #endregion Returning object to pool - Dispose and Finalizer
+
+        #region Formatting and equality
+
+        /// <summary>
+        ///   Returns all property (or field) values, along with their names, so that they can be
+        ///   used to produce a meaningful <see cref="object.ToString"/>.
+        /// </summary>
+        /// <returns>
+        ///   All property (or field) values, along with their names, so that they can be used to
+        ///   produce a meaningful <see cref="object.ToString"/>.
+        /// </returns>
+        protected override IEnumerable<KeyValuePair<string, object>> GetFormattingMembers()
+        {
+            yield return new KeyValuePair<string, object>(nameof(PooledObjectInfo.Id), PooledObjectInfo.Id);
+        }
+
+        /// <summary>
+        ///   Returns all property (or field) values that should be used inside
+        ///   <see cref="IEquatable{T}.Equals(T)"/> or <see cref="object.GetHashCode"/>.
+        /// </summary>
+        /// <returns>
+        ///   All property (or field) values that should be used inside
+        ///   <see cref="IEquatable{T}.Equals(T)"/> or <see cref="object.GetHashCode"/>.
+        /// </returns>
+        protected override IEnumerable<object> GetIdentifyingMembers()
+        {
+            yield return PooledObjectInfo.Id;
+        }
+
+        #endregion Formatting and equality
     }
 }