/**
* Test getting the rank of a member in the sorted set
*/
public function testZrank()
{
$this->redis->del('testZrank');
$this->assertEquals(1, $this->redis->zadd('testZrank', 1, 'one'));
$this->assertEquals(1, $this->redis->zadd('testZrank', 2, 'two'));
$this->assertEquals(1, $this->redis->zadd('testZrank', 3, 'three'));
$rank = $this->redis->zrank('testZrank', 'three');
$this->assertInternalType('int', $rank);
$this->assertEquals(2, $rank);
$rank = $this->redis->zrank('testZrank', 'four');
$this->assertInternalType('bool', $rank);
$this->assertFalse($rank);
}
