From 3890fea7c4426fa31acbf8b7db88584162e5f707 Mon Sep 17 00:00:00 2001
From: Graham Campbell <GrahamCampbell@users.noreply.github.com>
Date: Mon, 4 Oct 2021 05:32:41 +0100
Subject: [PATCH] Return null in caching stream size if remote is null (#438)

* Return null in caching stream size if remote is null

* Added test coverage

* Fixed typo

* Fixes
---
 src/CachingStream.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/CachingStream.php b/src/CachingStream.php
index 2c1d65c5..7a70ee94 100644
--- a/src/CachingStream.php
+++ b/src/CachingStream.php
@@ -36,7 +36,13 @@ public function __construct(
 
     public function getSize(): ?int
     {
-        return max($this->stream->getSize(), $this->remoteStream->getSize());
+        $remoteSize = $this->remoteStream->getSize();
+
+        if (null === $remoteSize) {
+            return null;
+        }
+
+        return max($this->stream->getSize(), $remoteSize);
     }
 
     public function rewind(): void