From d31d8fecd865654868dea946b8eed4d24a66d29a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20=C5=A0tefa=C5=88=C3=A1k?=
 <stefanak.michal@gmail.com>
Date: Sat, 24 Oct 2020 12:09:47 +0200
Subject: [PATCH] Fixed direction of negative tiny_int

https://7687.org/packstream/packstream-specification-1.html#integer
---
 PackStream/v1/Unpacker.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PackStream/v1/Unpacker.php b/PackStream/v1/Unpacker.php
index 740b02b..8ec7729 100644
--- a/PackStream/v1/Unpacker.php
+++ b/PackStream/v1/Unpacker.php
@@ -268,7 +268,7 @@ private function unpackInteger(int $marker, bool &$result = false): int
         if ($marker >> 7 == 0b0) { //+TINY_INT
             $output = $marker;
         } elseif ($marker >> 4 == 0b1111) { //-TINY_INT
-            $output = 0b11110000 ^ $marker;
+            $output = -16 + (0b11110000 ^ $marker);
         } elseif ($marker == 0xC8) { //INT_8
             $output = unpack('c', $this->next(1))[1] ?? 0;
         } elseif ($marker == 0xC9) { //INT_16