Benchmarks added & reorganized.

Benchmarks/Add_WithCapacity.cs

@@ -0,0 +1,51 @@
+using Collections.Pooled;
+
+namespace Recyclable.Collections.Benchmarks
+{
+	public partial class RecyclableCollectionsBenchmarks
+	{
+		public void List_Add_WithCapacity()
+		{
+			var data = TestObjects;
+			var dataCount = TestObjectCount;
+			var list = new List<int>(dataCount);
+			for (var i = 0; i < dataCount; i++)
+			{
+				list.Add(data[i]);
+			}
+		}
+
+		public void PooledList_Add_WithCapacity()
+		{
+			var data = TestObjects;
+			var dataCount = TestObjectCount;
+			using var list = new PooledList<int>(capacity: dataCount, ClearMode.Auto);
+			for (var i = 0; i < dataCount; i++)
+			{
+				list.Add(data[i]);
+			}
+		}
+
+		public void RecyclableList_Add_WithCapacity()
+		{
+			var data = TestObjects;
+			var dataCount = TestObjectCount;
+			using var list = new RecyclableList<int>(dataCount);
+			for (var i = 0; i < dataCount; i++)
+			{
+				list.Add(data[i]);
+			}
+		}
+
+		public void RecyclableLongList_Add_WithCapacity()
+		{
+			var data = TestObjects;
+			var dataCount = TestObjectCount;
+			using var list = new RecyclableLongList<int>(minBlockSize: BlockSize, initialCapacity: dataCount);
+			for (var i = 0; i < dataCount; i++)
+			{
+				list.Add(data[i]);
+			}
+		}
+	}
+}