From ab2f3de4534dd63a55436503e383b2c30553ec55 Mon Sep 17 00:00:00 2001
From: Tobias Westfeld <tobias.westfeld@eshaker.de>
Date: Fri, 28 Jun 2019 12:02:10 +0200
Subject: [PATCH] #758: Cart applied_taxes of empty cart can be null

---
 app/code/Magento/QuoteGraphQl/Model/Resolver/CartPrices.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/code/Magento/QuoteGraphQl/Model/Resolver/CartPrices.php b/app/code/Magento/QuoteGraphQl/Model/Resolver/CartPrices.php
index 48711ec38c4f8..22b59b060450c 100644
--- a/app/code/Magento/QuoteGraphQl/Model/Resolver/CartPrices.php
+++ b/app/code/Magento/QuoteGraphQl/Model/Resolver/CartPrices.php
@@ -73,7 +73,7 @@ private function getAppliedTaxes(Total $total, string $currency): array
         $appliedTaxesData = [];
         $appliedTaxes = $total->getAppliedTaxes();
 
-        if (count($appliedTaxes) === 0) {
+        if ($appliedTaxes === null || count($appliedTaxes) === 0) {
             return $appliedTaxesData;
         }