/**
* Test getting the cardinality of a sorted set
*/
public function testZcard()
{
$this->redis->del('testZcard');
$this->assertEquals(1, $this->redis->zadd('testZcard', 1, 'one'));
$this->assertEquals(1, $this->redis->zadd('testZcard', 2, 'two'));
$cardinality = $this->redis->zcard('testZcard');
$this->assertInternalType('int', $cardinality);
$this->assertEquals(2, $cardinality);
$this->assertEquals(0, $this->redis->zcard('testZcardUnknown'));
}
