public function testSave()
{
$response = json_encode(array(array(), array()));
$client = Mockery::mock('Memcached');
$client->shouldReceive('set')->once()->andReturn($response);
$cache = new Memcached($client);
$cache->save();
}
/**
* {@inheritdoc}
*/
public function save()
{
$contents = $this->getForStorage();
$expiration = $this->expire === null ? 0 : time() + $this->expire;
$this->memcached->set($this->key, $contents, $expiration);
}