/**
* Test getting the ttl for a key in milliseconds
*/
public function testPttl()
{
$this->redis->del('testPttl');
$pttl = $this->redis->pttl('testPttl');
$this->assertInternalType('int', $pttl);
$this->assertLessThan(0, $pttl);
$this->redis->set('testPttl', 'someValue');
$this->assertLessThan(0, $this->redis->pttl('testPttl'));
$this->redis->expire('testPttl', 1);
$this->assertGreaterThan(5, $this->redis->pttl('testPttl'));
// Using 5 here just ensures that the ttl is not returned in seconds (which could be 1 maximum)
}
