public void ListBucketV2Test()
        {
            Config config = new Config();

            config.Zone = Zone.ZONE_CN_East;
            //config.Region = Region.Region_CN_East;
            Mac           mac           = new Mac(AccessKey, SecretKey);
            BucketManager bucketManager = new BucketManager(mac, config);
            string        prefix        = "";
            string        delimiter     = "";
            int           limit         = 100;
            string        marker        = "";

            do
            {
                ListResultV2 listRet = bucketManager.ListFilesV2(Bucket, prefix, marker, limit, delimiter);
                if (listRet.Code != (int)HttpCode.OK)
                {
                    Assert.Fail("list files error: " + listRet.ToString());
                }
                Console.WriteLine(listRet.ToString());

                marker = listRet.Result[listRet.Result.Length - 1].Marker;
            } while (!string.IsNullOrEmpty(marker));
        }