diff --git a/tests/RouteTest.php b/tests/RouteTest.php
index 6871a02..6071788 100644
--- a/tests/RouteTest.php
+++ b/tests/RouteTest.php
@@ -25,6 +25,11 @@ public function testAsArray()
             'headers' => [],
             'messages' => [],
         ];
+
         $this->assertSame($expect, $route->asArray());
+
+        $expect = json_encode($expect);
+        $actual = json_encode($route);
+        $this->assertSame($expect, $actual);
     }
 }