/// <summary>
        /// Verifies the progress status.
        /// </summary>
        /// <param name="progress">The upload progress.</param>
        /// <param name="fileLength">The file length.</param>
        private void VerifyProgressStatus(TransferProgress progress, long fileLength)
        {
            Assert.Equal(fileLength, progress.TotalFileLength);
            Assert.True(1 <= progress.TotalSegmentCount, "UploadProgress: Unexpected value for TotalSegmentCount");
            Assert.Equal(progress.TotalFileLength, progress.TransferredByteCount);

            long uploadedByteSum = 0;

            for (int i = 0; i < progress.TotalSegmentCount; i++)
            {
                var segmentProgress = progress.GetSegmentProgress(i);
                Assert.False(segmentProgress.IsFailed, string.Format("UploadProgress: Segment {0} seems to have failed", i));
                Assert.Equal(i, segmentProgress.SegmentNumber);

                // there are times where the operation will complete successfully before the final bytes update call back can run.
                // We are not as concerned with the progress state being exactly correct, since validation of transferred bytes
                // should really be checked against the actual file/folder being transfered and not on the progress callback.
                // TODO: In the future, make the callback more robust and ensure that it always updates to include the final state.
                Assert.InRange(segmentProgress.TransferredByteCount, segmentProgress.Length * .8, segmentProgress.Length);
                uploadedByteSum += segmentProgress.TransferredByteCount;
            }

            Assert.Equal(progress.TransferredByteCount, uploadedByteSum);
        }