/**
* @group redis-lists
*/
public function testListRightPushExists()
{
$this->assertEquals(0, $this->client->rpushx('foo', 'bar'));
$this->assertFalse($this->client->exists('foo'));
$this->client->rpush('foo', 'hello');
$this->assertEquals(2, $this->client->rpushx('foo', 'world'));
$this->assertEquals(array('hello', 'world'), $this->client->lrange('foo', 0, -1));
}