spec\Prophecy\Promise\CallbackPromiseSpec::it_should_execute_closure_callback PHP Метод

    function it_should_execute_closure_callback(ObjectProphecy $object, MethodProphecy $method)
    {
        $firstArgumentCallback = function ($args) {
            return $args[0];
        };
        $this->beConstructedWith($firstArgumentCallback);
        $this->execute(array('one', 'two'), $object, $method)->shouldReturn('one');
    }