public function testLibOptionsSet()
 {
     $options = new MemcacheDbOptions();
     $options->setLibOptions(array('COMPRESSION' => false));
     $this->assertEquals($options->getLibOption(\Memcached::OPT_COMPRESSION), false);
     $memcached = new MemcacheDb($options);
     $this->assertEquals($memcached->getOptions()->getLibOptions(), array(\Memcached::OPT_COMPRESSION => false));
 }