Benchmarks added & reorganized.

POC/EqualVsContainsInConsecutiveOrderBenchmarks.cs

@@ -0,0 +1,44 @@
+// Ignore Spelling: Poc
+
+using BenchmarkDotNet.Attributes;
+using FluentAssertions;
+using Recyclable.Collections.TestData;
+
+namespace Recyclable.Collections.Benchmarks.POC
+{
+
+	public class EqualVsContainsInConsecutiveOrderBenchmarks : IDisposable
+	{
+		private const int TestItemsCount = 10000;
+
+		private readonly IEnumerable<long> _list1 = RecyclableLongListTestData.CreateTestData(TestItemsCount).ToRecyclableList();
+		private readonly IEnumerable<long> _list2 = RecyclableLongListTestData.CreateTestData(TestItemsCount).ToArray();
+
+		[Benchmark(Baseline = true)]
+		public void Equal()
+		{
+			_ = _list1.Should().Equal(_list2);
+		}
+
+		[Benchmark]
+		public void ContainsInConsecutiveOrder()
+		{
+			_ = _list1.Should().ContainInConsecutiveOrder(_list2);
+		}
+
+		void IDisposable.Dispose()
+		{
+			if (_list1 is IDisposable disposable1)
+			{
+				disposable1.Dispose();
+			}
+
+			if (_list2 is IDisposable disposable2)
+			{
+				disposable2.Dispose();
+			}
+
+			GC.SuppressFinalize(this);
+		}
+	}
+}