public void CloudBlobSoftDeleteNoSnapshot()
        {
            CloudBlobContainer container = GetRandomContainerReference();

            try
            {
                //Enables a delete retention policy on the blob with 1 day of default retention days
                container.ServiceClient.EnableSoftDelete();
                Shared.Protocol.ServiceProperties props = container.ServiceClient.GetServiceProperties();
                container.Create();

                // Upload some data to the blob.
                var             blobName     = GetRandomBlobName();
                MemoryStream    originalData = new MemoryStream(GetRandomBuffer(1024));
                CloudAppendBlob appendBlob   = container.GetAppendBlobReference(blobName);
                appendBlob.CreateOrReplace();
                appendBlob.AppendBlock(originalData, null);


                CloudBlob blob = container.GetBlobReference(blobName);

                Assert.IsTrue(blob.Exists());
                Assert.IsFalse(blob.IsDeleted);

                blob.Delete();
                Assert.IsFalse(blob.Exists());

                int blobCount = 0;
                foreach (IListBlobItem item in container.ListBlobs(null, true, BlobListingDetails.Snapshots | BlobListingDetails.Deleted))
                {
                    CloudAppendBlob blobItem = (CloudAppendBlob)item;
                    Assert.AreEqual(blobItem.Name, blobName);
                    Assert.IsTrue(blobItem.IsDeleted);
                    Assert.IsNotNull(blobItem.Properties.DeletedTime);
                    Assert.AreEqual(blobItem.Properties.RemainingDaysBeforePermanentDelete, 0);
                    blobCount++;
                }

                Assert.AreEqual(blobCount, 1);

                blob.Undelete();

                blob.FetchAttributes();
                Assert.IsFalse(blob.IsDeleted);
                Assert.IsNull(blob.Properties.DeletedTime);
                Assert.IsNull(blob.Properties.RemainingDaysBeforePermanentDelete);

                blobCount = 0;
                foreach (IListBlobItem item in container.ListBlobs(null, true, BlobListingDetails.All))
                {
                    CloudAppendBlob blobItem = (CloudAppendBlob)item;
                    Assert.AreEqual(blobItem.Name, blobName);
                    Assert.IsFalse(blobItem.IsDeleted);
                    Assert.IsNull(blobItem.Properties.DeletedTime);
                    Assert.IsNull(blobItem.Properties.RemainingDaysBeforePermanentDelete);
                    blobCount++;
                }

                Assert.AreEqual(blobCount, 1);
            }
            finally
            {
                container.ServiceClient.DisableSoftDelete();
                container.DeleteIfExists();
            }
        }
        public async Task CloudBlobSoftDeleteSnapshotTask()
        {
            CloudBlobContainer container = GetRandomContainerReference();

            try
            {
                //Enables a delete retention policy on the blob with 1 day of default retention days
                container.ServiceClient.EnableSoftDelete();
                await container.CreateAsync();

                // Upload some data to the blob.
                var             blobName     = GetRandomBlobName();
                MemoryStream    originalData = new MemoryStream(GetRandomBuffer(1024));
                CloudAppendBlob appendBlob   = container.GetAppendBlobReference(blobName);
                await appendBlob.UploadFromStreamAsync(originalData);

                CloudBlob blob = container.GetBlobReference(blobName);

                //create snapshot via api
                CloudBlob snapshot = blob.Snapshot();
                //create snapshot via write protection
                await appendBlob.UploadFromStreamAsync(originalData);

                //we should have 2 snapshots 1 regular and 1 deleted: there is no way to get only the deleted snapshots but the below listing will get both snapshot types
                int blobCount            = 0;
                int deletedSnapshotCount = 0;
                int snapShotCount        = 0;
                BlobContinuationToken ct = null;

                do
                {
                    Task <BlobResultSegment> resultSegments = container.ListBlobsSegmentedAsync
                                                                  (null, true, BlobListingDetails.Snapshots | BlobListingDetails.Deleted, null, ct, null, null);
                    List <IListBlobItem> blobs = resultSegments.Result
                                                 .Results
                                                 .ToList();
                    ct = resultSegments.Result.ContinuationToken;

                    foreach (IListBlobItem item in blobs)
                    {
                        CloudAppendBlob blobItem = (CloudAppendBlob)item;
                        Assert.AreEqual(blobItem.Name, blobName);
                        if (blobItem.IsSnapshot)
                        {
                            snapShotCount++;
                        }
                        if (blobItem.IsDeleted)
                        {
                            Assert.IsNotNull(blobItem.Properties.DeletedTime);
                            Assert.AreEqual(blobItem.Properties.RemainingDaysBeforePermanentDelete, 0);
                            deletedSnapshotCount++;
                        }
                        blobCount++;
                    }
                } while (ct != null);

                Assert.AreEqual(3, blobCount);
                Assert.AreEqual(deletedSnapshotCount, 1);
                Assert.AreEqual(snapShotCount, 2);

                blobCount = 0;
                ct        = null;
                do
                {
                    foreach (IListBlobItem item in (await container.ListBlobsSegmentedAsync
                                                        (null, true, BlobListingDetails.Snapshots, null, ct, null, null))
                             .Results
                             .ToList())
                    {
                        CloudAppendBlob blobItem = (CloudAppendBlob)item;
                        Assert.AreEqual(blobItem.Name, blobName);
                        Assert.IsFalse(blobItem.IsDeleted);
                        Assert.IsNull(blobItem.Properties.DeletedTime);
                        Assert.IsNull(blobItem.Properties.RemainingDaysBeforePermanentDelete);
                        blobCount++;
                    }
                } while (ct != null);

                Assert.AreEqual(blobCount, 2);

                //Delete Blob and snapshots
                blob.Delete(DeleteSnapshotsOption.IncludeSnapshots);
                Assert.IsFalse(blob.Exists());
                Assert.IsFalse(snapshot.Exists());

                blobCount = 0;
                ct        = null;
                do
                {
                    foreach (IListBlobItem item in (await container.ListBlobsSegmentedAsync
                                                        (null, true, BlobListingDetails.All, null, ct, null, null))
                             .Results
                             .ToList())
                    {
                        CloudAppendBlob blobItem = (CloudAppendBlob)item;
                        Assert.AreEqual(blobItem.Name, blobName);
                        Assert.IsTrue(blobItem.IsDeleted);
                        Assert.IsNotNull(blobItem.Properties.DeletedTime);
                        Assert.AreEqual(blobItem.Properties.RemainingDaysBeforePermanentDelete, 0);
                        blobCount++;
                    }
                }while(ct != null);

                Assert.AreEqual(blobCount, 3);

                blob.Undelete();

                blob.FetchAttributes();
                Assert.IsFalse(blob.IsDeleted);
                Assert.IsNull(blob.Properties.DeletedTime);
                Assert.IsNull(blob.Properties.RemainingDaysBeforePermanentDelete);

                blobCount = 0;
                ct        = null;
                do
                {
                    foreach (IListBlobItem item in (await container.ListBlobsSegmentedAsync
                                                        (null, true, BlobListingDetails.All, null, ct, null, null))
                             .Results
                             .ToList())
                    {
                        CloudAppendBlob blobItem = (CloudAppendBlob)item;
                        Assert.AreEqual(blobItem.Name, blobName);
                        Assert.IsFalse(blobItem.IsDeleted);
                        Assert.IsNull(blobItem.Properties.DeletedTime);
                        Assert.IsNull(blobItem.Properties.RemainingDaysBeforePermanentDelete);
                        blobCount++;
                    }
                }while(ct != null);

                Assert.AreEqual(blobCount, 3);
            }
            finally
            {
                container.ServiceClient.DisableSoftDelete();
                await container.DeleteAsync();
            }
        }
        public void CloudBlobSoftDeleteSnapshot()
        {
            CloudBlobContainer container = GetRandomContainerReference();

            try
            {
                //Enables a delete retention policy on the blob with 1 day of default retention days
                container.ServiceClient.EnableSoftDelete();
                container.Create();

                // Upload some data to the blob.
                MemoryStream    originalData = new MemoryStream(GetRandomBuffer(1024));
                CloudAppendBlob appendBlob   = container.GetAppendBlobReference(BlobName);
                appendBlob.UploadFromStream(originalData);

                CloudBlob blob = container.GetBlobReference(BlobName);

                //create snapshot via api
                CloudBlob snapshot = blob.Snapshot();
                //create snapshot via write protection
                appendBlob.UploadFromStream(originalData);

                //we should have 2 snapshots 1 regular and 1 deleted: there is no way to get only the deleted snapshots but the below listing will get both snapshot types
                int blobCount            = 0;
                int deletedSnapshotCount = 0;
                int snapShotCount        = 0;
                foreach (IListBlobItem item in container.ListBlobs(null, true, BlobListingDetails.Snapshots | BlobListingDetails.Deleted))
                {
                    CloudAppendBlob blobItem = (CloudAppendBlob)item;
                    Assert.AreEqual(blobItem.Name, BlobName);
                    if (blobItem.IsSnapshot)
                    {
                        snapShotCount++;
                    }
                    if (blobItem.IsDeleted)
                    {
                        Assert.IsNotNull(blobItem.Properties.DeletedTime);
                        Assert.AreEqual(blobItem.Properties.RemainingDaysBeforePermanentDelete, 0);
                        deletedSnapshotCount++;
                    }
                    blobCount++;
                }
                Assert.AreEqual(blobCount, 3);
                Assert.AreEqual(deletedSnapshotCount, 1);
                Assert.AreEqual(snapShotCount, 2);

                blobCount = 0;
                foreach (IListBlobItem item in container.ListBlobs(null, true, BlobListingDetails.Snapshots))
                {
                    CloudAppendBlob blobItem = (CloudAppendBlob)item;
                    Assert.AreEqual(blobItem.Name, BlobName);
                    Assert.IsFalse(blobItem.IsDeleted);
                    Assert.IsNull(blobItem.Properties.DeletedTime);
                    Assert.IsNull(blobItem.Properties.RemainingDaysBeforePermanentDelete);
                    blobCount++;
                }

                Assert.AreEqual(blobCount, 2);

                //Delete Blob and snapshots
                blob.Delete(DeleteSnapshotsOption.IncludeSnapshots);
                Assert.IsFalse(blob.Exists());
                Assert.IsFalse(snapshot.Exists());

                blobCount = 0;
                foreach (IListBlobItem item in container.ListBlobs(null, true, BlobListingDetails.All))
                {
                    CloudAppendBlob blobItem = (CloudAppendBlob)item;
                    Assert.AreEqual(blobItem.Name, BlobName);
                    Assert.IsTrue(blobItem.IsDeleted);
                    Assert.IsNotNull(blobItem.Properties.DeletedTime);
                    Assert.AreEqual(blobItem.Properties.RemainingDaysBeforePermanentDelete, 0);
                    blobCount++;
                }

                Assert.AreEqual(blobCount, 3);

                blob.Undelete();

                blob.FetchAttributes();
                Assert.IsFalse(blob.IsDeleted);
                Assert.IsNull(blob.Properties.DeletedTime);
                Assert.IsNull(blob.Properties.RemainingDaysBeforePermanentDelete);

                blobCount = 0;
                foreach (IListBlobItem item in container.ListBlobs(null, true, BlobListingDetails.All))
                {
                    CloudAppendBlob blobItem = (CloudAppendBlob)item;
                    Assert.AreEqual(blobItem.Name, BlobName);
                    Assert.IsFalse(blobItem.IsDeleted);
                    Assert.IsNull(blobItem.Properties.DeletedTime);
                    Assert.IsNull(blobItem.Properties.RemainingDaysBeforePermanentDelete);
                    blobCount++;
                }

                Assert.AreEqual(blobCount, 3);
            }
            finally
            {
                container.ServiceClient.DisableSoftDelete();
                container.DeleteIfExists();
            }
        }