Benchmarks added & reorganized.

Benchmarks/AddRangeWhenSourceIsIEnumerable.cs

@@ -0,0 +1,47 @@
+using Collections.Pooled;
+
+namespace Recyclable.Collections.Benchmarks
+{
+	public partial class RecyclableCollectionsBenchmarks
+	{
+		public void Array_AddRangeWhenSourceIsIEnumerable()
+		{
+			var data = TestObjectsAsIEnumerable;
+			var list = new int[TestObjectCount];
+			int itemIndex = 0;
+
+			foreach (var item in data)
+			{
+				list[itemIndex++] = item;
+			}
+		}
+
+		public void List_AddRangeWhenSourceIsIEnumerable()
+		{
+			var data = TestObjectsAsIEnumerable;
+			var list = new List<int>();
+			list.AddRange(data);
+		}
+
+		public void PooledList_AddRangeWhenSourceIsIEnumerable()
+		{
+			var data = TestObjectsAsIEnumerable;
+			using var list = new PooledList<int>(ClearMode.Auto);
+			list.AddRange(data);
+		}
+
+		public void RecyclableList_AddRangeWhenSourceIsIEnumerable()
+		{
+			var data = TestObjectsAsIEnumerable;
+			using var list = new RecyclableList<int>();
+			list.AddRange(data);
+		}
+
+		public void RecyclableLongList_AddRangeWhenSourceIsIEnumerable()
+		{
+			var data = TestObjectsAsIEnumerable;
+			using var list = new RecyclableLongList<int>(minBlockSize: BlockSize);
+			list.AddRange(data);
+		}
+	}
+}