diff --git a/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsArray.cs b/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsArray.cs
index 542f5a7..e2306f6 100644
--- a/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsArray.cs
+++ b/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsArray.cs
@@ -7,7 +7,7 @@ namespace Recyclable.Collections.Benchmarks
 		public void List_AddRangeWhenSourceIsArray()
 		{
 			var data = TestObjects;
-			var list = new List<long>();
+			var list = new List<long>(TestObjectCount);
 			list.AddRange(data);
 		}
 
@@ -21,7 +21,7 @@ namespace Recyclable.Collections.Benchmarks
 		public void RecyclableList_AddRangeWhenSourceIsArray()
 		{
 			var data = TestObjects;
-			using var list = new RecyclableList<long>();
+			using var list = new RecyclableList<long>(TestObjectCount);
 			list.AddRange(data);
 		}
 
diff --git a/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsIEnumerable.cs b/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsIEnumerable.cs
index d16e91c..4da90ff 100644
--- a/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsIEnumerable.cs
+++ b/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsIEnumerable.cs
@@ -7,7 +7,7 @@ namespace Recyclable.Collections.Benchmarks
 		public void List_AddRangeWhenSourceIsIEnumerable()
 		{
 			var data = TestObjectsAsIEnumerable;
-			var list = new List<long>();
+			var list = new List<long>(TestObjectCount);
 			list.AddRange(data);
 		}
 
@@ -21,7 +21,7 @@ namespace Recyclable.Collections.Benchmarks
 		public void RecyclableList_AddRangeWhenSourceIsIEnumerable()
 		{
 			var data = TestObjectsAsIEnumerable;
-			using var list = new RecyclableList<long>();
+			using var list = new RecyclableList<long>(TestObjectCount);
 			list.AddRange(data);
 		}
 
diff --git a/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsIList.cs b/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsIList.cs
index 54a660b..d8a10dc 100644
--- a/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsIList.cs
+++ b/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsIList.cs
@@ -4,16 +4,22 @@ namespace Recyclable.Collections.Benchmarks
 {
 	public partial class RecyclableCollectionsBenchmarks
 	{
+		public void Array_AddRangeWhenSourceIsIList()
+		{
+			var data = (IList<long>)TestObjectsAsRecyclableLongList;
+			data.CopyTo(TestObjects, 0);
+		}
+
 		public void List_AddRangeWhenSourceIsIList()
 		{
 			var data = (IList<long>)TestObjectsAsRecyclableLongList;
-			var list = new List<long>();
+			var list = new List<long>(TestObjectCount);
 			list.AddRange(data);
 		}
 
 		public void PooledList_AddRangeWhenSourceIsIList()
 		{
-			var data = (IList<long>)TestObjectsAsPooledList;
+			var data = (IList<long>)TestObjectsAsRecyclableLongList;
 			using var list = new PooledList<long>(capacity: TestObjectCount, ClearMode.Auto);
 			list.AddRange(data);
 		}
@@ -21,7 +27,7 @@ namespace Recyclable.Collections.Benchmarks
 		public void RecyclableList_AddRangeWhenSourceIsIList()
 		{
 			var data = (IList<long>)TestObjectsAsRecyclableLongList;
-			using var list = new RecyclableList<long>();
+			using var list = new RecyclableList<long>(TestObjectCount);
 			list.AddRange(data);
 		}
 
diff --git a/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsList.cs b/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsList.cs
index 580ebbb..3cdb696 100644
--- a/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsList.cs
+++ b/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsList.cs
@@ -4,10 +4,16 @@ namespace Recyclable.Collections.Benchmarks
 {
 	public partial class RecyclableCollectionsBenchmarks
 	{
+		public void Array_AddRangeWhenSourceIsList()
+		{
+			var data = TestObjectsAsList;
+			data.CopyTo(TestObjects, 0);
+		}
+
 		public void List_AddRangeWhenSourceIsList()
 		{
 			var data = TestObjectsAsList;
-			var list = new List<long>();
+			var list = new List<long>(TestObjectCount);
 			list.AddRange(data);
 		}
 
@@ -21,7 +27,7 @@ namespace Recyclable.Collections.Benchmarks
 		public void RecyclableList_AddRangeWhenSourceIsList()
 		{
 			var data = TestObjectsAsList;
-			using var list = new RecyclableList<long>();
+			using var list = new RecyclableList<long>(TestObjectCount);
 			list.AddRange(data);
 		}
 
diff --git a/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsSameType.cs b/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsSameType.cs
index 9f28def..e2c68bf 100644
--- a/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsSameType.cs
+++ b/Recyclable.Collections.Benchmarks/Benchmarks/AddRangeWhenSourceIsSameType.cs
@@ -14,11 +14,11 @@ namespace Recyclable.Collections.Benchmarks
 		public void RecyclableList_AddRangeWhenSourceIsRecyclableList()
 		{
 			var data = TestObjectsAsRecyclableList;
-			using var list = new RecyclableList<long>();
+			using var list = new RecyclableList<long>(TestObjectCount);
 			list.AddRange(data);
 		}
 
-		public void RecyclableLongList_AddRangeWhenSourceIsRecyclableList()
+		public void RecyclableLongList_AddRangeWhenSourceIsRecyclableLongList()
 		{
 			var data = TestObjectsAsRecyclableList;
 			using var list = new RecyclableLongList<long>(minBlockSize: BlockSize, expectedItemsCount: TestObjectCount);
diff --git a/Recyclable.Collections.Benchmarks/Benchmarks/RecyclableCollections.Benchmarks.cs b/Recyclable.Collections.Benchmarks/Benchmarks/RecyclableCollections.Benchmarks.cs
index 7f05752..f200fe1 100644
--- a/Recyclable.Collections.Benchmarks/Benchmarks/RecyclableCollections.Benchmarks.cs
+++ b/Recyclable.Collections.Benchmarks/Benchmarks/RecyclableCollections.Benchmarks.cs
@@ -69,8 +69,21 @@ namespace Recyclable.Collections.Benchmarks
 		public override RecyclableCollectionsBenchmarkSource DataType { get => base.DataType; set => base.DataType = value; }
 
 		protected override Action? GetTestMethod(RecyclableCollectionsBenchmarkSource benchmarkType)
-			=> (Action?) GetType().GetMethod($"{benchmarkType}_{TestCase}", BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public)?.CreateDelegate(typeof(Action), this)
-			?? (Action?)GetType().GetMethod($"{benchmarkType}_AddRangeWhenSourceIs{benchmarkType}", BindingFlags.Instance | BindingFlags.Public)?.CreateDelegate(typeof(Action), this)
-			?? throw new InvalidOperationException($"Method {benchmarkType}_{TestCase} not found in class {GetType().FullName}");
+			=> TestCase switch
+			{
+				RecyclableCollectionsBenchmarkType.AddRangeWhenSourceIsSameType => (Action?)GetType().GetMethod($"{benchmarkType}_AddRangeWhenSourceIs{benchmarkType}", BindingFlags.Instance | BindingFlags.Public)?.CreateDelegate(typeof(Action), this),
+				_ => (Action?) GetType().GetMethod($"{benchmarkType}_{TestCase}", BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public)?.CreateDelegate(typeof(Action), this) ?? throw new InvalidOperationException($"Method {benchmarkType}_{TestCase} not found in class {GetType().FullName}")
+			};
+
+		public override void Setup()
+		{
+			base.Setup();
+			switch(TestCase)
+			{
+				case RecyclableCollectionsBenchmarkType.AddRangeWhenSourceIsIList:
+					PrepareData(RecyclableCollectionsBenchmarkSource.RecyclableLongList);
+					break;
+			}
+		}
 	}
 }
diff --git a/Recyclable.Collections.Benchmarks/Program.cs b/Recyclable.Collections.Benchmarks/Program.cs
index a604d56..504d2b6 100644
--- a/Recyclable.Collections.Benchmarks/Program.cs
+++ b/Recyclable.Collections.Benchmarks/Program.cs
@@ -38,20 +38,20 @@ namespace Recyclable.Collections.Benchmarks
 			benchmark.Cleanup();
 		}
 
-	static void RunPocBenchmarks()
-	{
-		_ = BenchmarkRunner.Run<BoolOrComparePocBenchmarks>(BenchmarkConfig);
-		_ = BenchmarkRunner.Run<DelegateVsComparerPocBenchmarks>(BenchmarkConfig);
-		_ = BenchmarkRunner.Run<ModuloPocBenchmarks>(BenchmarkConfig);
-		_ = BenchmarkRunner.Run<RecyclableLongListPocBenchmarks>(BenchmarkConfig);
-		_ = BenchmarkRunner.Run<TaskRunVsTaskFactoryStartNewBenchmarks>(BenchmarkConfig);
-		_ = BenchmarkRunner.Run<RefVsInstanceMemberPocBenchmarks>(BenchmarkConfig);
-		_ = BenchmarkRunner.Run<WhenParallelSearchBenchmarks>(BenchmarkConfig);
-		_ = BenchmarkRunner.Run<RoundBenchmarks>(BenchmarkConfig);
-		_ = BenchmarkRunner.Run<SpanVsArrayBenchmarks>(BenchmarkConfig);
-		_ = BenchmarkRunner.Run<LessOperatorVsAndOperatorBenchmarks>(BenchmarkConfig);
-		// ArraySizeLimitPocBenchmarks>(BenchmarkConfig);
-	}
+		static void RunPocBenchmarks()
+		{
+			_ = BenchmarkRunner.Run<BoolOrComparePocBenchmarks>(BenchmarkConfig);
+			_ = BenchmarkRunner.Run<DelegateVsComparerPocBenchmarks>(BenchmarkConfig);
+			_ = BenchmarkRunner.Run<ModuloPocBenchmarks>(BenchmarkConfig);
+			_ = BenchmarkRunner.Run<RecyclableLongListPocBenchmarks>(BenchmarkConfig);
+			_ = BenchmarkRunner.Run<TaskRunVsTaskFactoryStartNewBenchmarks>(BenchmarkConfig);
+			_ = BenchmarkRunner.Run<RefVsInstanceMemberPocBenchmarks>(BenchmarkConfig);
+			_ = BenchmarkRunner.Run<WhenParallelSearchBenchmarks>(BenchmarkConfig);
+			_ = BenchmarkRunner.Run<RoundBenchmarks>(BenchmarkConfig);
+			_ = BenchmarkRunner.Run<SpanVsArrayBenchmarks>(BenchmarkConfig);
+			_ = BenchmarkRunner.Run<LessOperatorVsAndOperatorBenchmarks>(BenchmarkConfig);
+			// ArraySizeLimitPocBenchmarks>(BenchmarkConfig);
+		}
 
 		static void Main()
 		{
diff --git a/Recyclable.Collections.Benchmarks/Recyclable.Collections.Benchmarks.csproj b/Recyclable.Collections.Benchmarks/Recyclable.Collections.Benchmarks.csproj
index 7f853f9..0276c8c 100644
--- a/Recyclable.Collections.Benchmarks/Recyclable.Collections.Benchmarks.csproj
+++ b/Recyclable.Collections.Benchmarks/Recyclable.Collections.Benchmarks.csproj
@@ -7,7 +7,7 @@
 		<ImplicitUsings>enable</ImplicitUsings>
 		<Nullable>enable</Nullable>
 		<Platforms>AnyCPU;x64</Platforms>
-		<StartupObject>Program</StartupObject>
+		<StartupObject>Recyclable.Collections.Benchmarks.Program</StartupObject>
 	</PropertyGroup>
 
 	<ItemGroup>