public function testObject()
 {
     $operations = $this->getPatchConverter()->convert([['op' => 'replace', 'path' => '/subject', 'value' => 'new subject'], ['op' => 'add', 'path' => '/message', 'value' => 'message'], ['op' => 'test', 'path' => '/message', 'value' => 'message'], ['op' => 'remove', 'path' => '/message'], ['op' => 'move', 'path' => '/message', 'from' => '/subject'], ['op' => 'test', 'path' => '/subject', 'value' => ''], ['op' => 'replace', 'path' => '/message', 'value' => 'some new value'], ['op' => 'copy', 'path' => '/subject', 'from' => '/message'], ['op' => 'replace', 'path' => '/article/title', 'value' => 'new test title']]);
     $comment = new Comment();
     $comment->setSubject('old subject');
     $article = new Article();
     $article->setTitle('test title');
     $comment->setArticle($article);
     $this->getExecutioner()->execute($operations, $comment);
     static::assertEquals('some new value', $comment->getSubject());
     static::assertEquals('some new value', $comment->getMessage());
     static::assertEquals('new test title', $comment->getArticle()->getTitle());
 }