PHPSpec\Matcher\ThrowMatcher::getDelayedCall PHP Метод

    private function getDelayedCall($check, $subject, array $arguments)
    {
        $exception = $this->getException($arguments);
        $unwrapper = $this->unwrapper;
        return new DelayedCall(function ($method, $arguments) use($check, $subject, $exception, $unwrapper) {
            $arguments = $unwrapper->unwrapAll($arguments);
            $methodName = $arguments[0];
            $arguments = isset($arguments[1]) ? $arguments[1] : array();
            $callable = array($subject, $methodName);
            list($class, $methodName) = array($subject, $methodName);
            if (!method_exists($class, $methodName) && !method_exists($class, '__call')) {
                throw new MethodNotFoundException(sprintf('Method %s::%s not found.', get_class($class), $methodName), $class, $methodName, $arguments);
            }
            return call_user_func($check, $callable, $arguments, $exception);
        });
    }