public void BitCountTest()
        {
            using (var mock = new FakeRedisSocket(":10\r\n", ":4\r\n"))
                using (var redis = new PoolRedisClient(mock, new DnsEndPoint("fakehost", 9999)))
                {
                    Assert.Equal(10, redis.BitCount("key"));
                    Assert.Equal("*2\r\n$8\r\nBITCOUNT\r\n$3\r\nkey\r\n", mock.GetMessage());

                    Assert.Equal(4, redis.BitCount("key", 0, 1));
                    Assert.Equal("*4\r\n$8\r\nBITCOUNT\r\n$3\r\nkey\r\n$1\r\n0\r\n$1\r\n1\r\n", mock.GetMessage());
                }
        }