From 10189d0d118915846e2ed9de1b16c1e88645acd1 Mon Sep 17 00:00:00 2001
From: mlemanczyk <marek@lemanczyk.eu>
Date: Sun, 16 Jul 2023 12:14:13 +0200
Subject: [PATCH] RecyclableLongList.AddRangeWithKnownCount fixed for cases
 when both collections are empty.

---
 Recyclable.Collections/RecyclableLongList.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Recyclable.Collections/RecyclableLongList.cs b/Recyclable.Collections/RecyclableLongList.cs
index 6155546..0087e71 100644
--- a/Recyclable.Collections/RecyclableLongList.cs
+++ b/Recyclable.Collections/RecyclableLongList.cs
@@ -146,6 +146,11 @@ namespace Recyclable.Collections
 			Span<T[]> memoryBlocksSpan;
 			Span<T> blockArraySpan;
 			long requiredCapacity = copied + requiredAdditionalCapacity;
+			if (requiredCapacity == 0)
+			{
+				return;
+			}
+
 			if (_capacity < requiredCapacity)
 			{
 				_capacity = Helpers.Resize(this, _blockSize, _blockSizePow2BitShift, checked((long)BitOperations.RoundUpToPowerOf2((ulong)requiredCapacity)));