Also dereference array definitions prior to default value check

Author: erayd

src/JsonSchema/Constraints/UndefinedConstraint.php

@@ -265,6 +265,7 @@ protected function applyDefaultValues(&$value, $schema, $path)
             }
             // $value is an array, and items are defined - treat as plain array
             foreach ($items as $currentItem => $itemDefinition) {
+                $itemDefinition = $this->factory->getSchemaStorage()->resolveRefSchema($itemDefinition);
                 if (
                     !array_key_exists($currentItem, $value)
                     && property_exists($itemDefinition, 'default')

tests/Constraints/DefaultPropertiesTest.php

@@ -126,7 +126,7 @@ public function getValidTests()
             ),
             array(// #16 infinite recursion via $ref (array)
                 '[]',
-                '{"items":[{"$ref":"#","default":[]}]}',
+                '{"items":[{"$ref":"#","default":"valueOne"}], "default": []}',
                 '[[]]'
             ),
             array(// #17 default top value does not overwrite defined null