GraphQL\Tests\Executor\ExecutorTest::testSerializesToEmptyObjectVsEmptyArray PHP Method

    public function testSerializesToEmptyObjectVsEmptyArray()
    {
        $iface = null;
        $a = new ObjectType(['name' => 'A', 'fields' => ['id' => Type::id()], 'interfaces' => function () use(&$iface) {
            return [$iface];
        }]);
        $b = new ObjectType(['name' => 'B', 'fields' => ['id' => Type::id()], 'interfaces' => function () use(&$iface) {
            return [$iface];
        }]);
        $iface = new InterfaceType(['name' => 'Iface', 'fields' => ['id' => Type::id()], 'resolveType' => function ($v) use($a, $b) {
            return $v['type'] === 'A' ? $a : $b;
        }]);
        $schema = new Schema(['query' => new ObjectType(['name' => 'Query', 'fields' => ['ab' => Type::listOf($iface)]]), 'types' => [$a, $b]]);
        $data = ['ab' => [['id' => 1, 'type' => 'A'], ['id' => 2, 'type' => 'A'], ['id' => 3, 'type' => 'B'], ['id' => 4, 'type' => 'B']]];
        $query = Parser::parse('
            {
                ab {
                    ... on A{
                        id
                    }
                }
            }
        ');
        $result = Executor::execute($schema, $query, $data, null);
        $this->assertEquals(['data' => ['ab' => [['id' => '1'], ['id' => '2'], new \stdClass(), new \stdClass()]]], $result->toArray());
    }