From 3fd24d96d3145dcebdb0aab40aa8b76faa8b6979 Mon Sep 17 00:00:00 2001
From: Nuno Maduro <enunomaduro@gmail.com>
Date: Mon, 23 Nov 2020 21:37:35 +0100
Subject: [PATCH] feat: casts to array using `toArray`

---
 src/Expectation.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Expectation.php b/src/Expectation.php
index 00f87ffd..68d0790d 100644
--- a/src/Expectation.php
+++ b/src/Expectation.php
@@ -412,7 +412,11 @@ final class Expectation
      */
     public function toHaveKey($key, $value = null): Expectation
     {
-        $array = (array) $this->value;
+        if (is_object($this->value) && method_exists($this->value, 'toArray')) {
+            $array = $this->value->toArray();
+        } else {
+            $array = (array) $this->value;
+        }
 
         Assert::assertArrayHasKey($key, $array);