Jenner\SimpleFork\Utils::checkOverwriteRunMethod PHP Method

    public static function checkOverwriteRunMethod($child_class)
    {
        $parent_class = '\\Jenner\\SimpleFork\\Process';
        if ($child_class == $parent_class) {
            $message = "you should extend the `{$parent_class}`" . ' and overwrite the run method';
            throw new \RuntimeException($message);
        }
        $child = new \ReflectionClass($child_class);
        if ($child->getParentClass() === false) {
            $message = "you should extend the `{$parent_class}`" . ' and overwrite the run method';
            throw new \RuntimeException($message);
        }
        $parent_methods = $child->getParentClass()->getMethods(\ReflectionMethod::IS_PUBLIC);
        foreach ($parent_methods as $parent_method) {
            if ($parent_method->getName() !== 'run') {
                continue;
            }
            $declaring_class = $child->getMethod($parent_method->getName())->getDeclaringClass()->getName();
            if ($declaring_class === $parent_class) {
                throw new \RuntimeException('you must overwrite the run method');
            }
        }
    }

 public function testError()
 {
     $this->setExpectedException("RuntimeException");
     \Jenner\SimpleFork\Utils::checkOverwriteRunMethod(get_class(new \Jenner\SimpleFork\Process()));
 }