public void TestLLen()
 {
     using (var mock = new FakeRedisSocket(":3\r\n"))
         using (var redis = new PoolRedisClient(mock, new DnsEndPoint("fakehost", 9999)))
         {
             Assert.Equal(3, redis.LLen("test"));
             Assert.Equal("*2\r\n$4\r\nLLEN\r\n$4\r\ntest\r\n", mock.GetMessage());
         }
 }