public async Task DisableContentMD5ValidationTestAsync() { byte[] buffer = new byte[1024]; Random random = new Random(); random.NextBytes(buffer); BlobRequestOptions optionsWithNoMD5 = new BlobRequestOptions() { DisableContentMD5Validation = true, StoreBlobContentMD5 = true, }; BlobRequestOptions optionsWithMD5 = new BlobRequestOptions() { DisableContentMD5Validation = false, StoreBlobContentMD5 = true, }; CloudBlobContainer container = GetRandomContainerReference(); try { await container.CreateAsync(); CloudBlockBlob blockBlob = container.GetBlockBlobReference("blob1"); using (Stream stream = new NonSeekableMemoryStream(buffer)) { await blockBlob.UploadFromStreamAsync(stream, null, optionsWithMD5, null); } using (Stream stream = new MemoryStream()) { await blockBlob.DownloadToStreamAsync(stream, null, optionsWithMD5, null); await blockBlob.DownloadToStreamAsync(stream, null, optionsWithNoMD5, null); using (Stream blobStream = await blockBlob.OpenReadAsync(null, optionsWithMD5, null)) { Stream blobStreamForRead = blobStream; int read; do { read = await blobStreamForRead.ReadAsync(buffer, 0, buffer.Length); }while (read > 0); } using (Stream blobStream = await blockBlob.OpenReadAsync(null, optionsWithNoMD5, null)) { Stream blobStreamForRead = blobStream; int read; do { read = await blobStreamForRead.ReadAsync(buffer, 0, buffer.Length); }while (read > 0); } blockBlob.Properties.ContentMD5 = "MDAwMDAwMDA="; await blockBlob.SetPropertiesAsync(); OperationContext opContext = new OperationContext(); await TestHelper.ExpectedExceptionAsync( async() => await blockBlob.DownloadToStreamAsync(stream, null, optionsWithMD5, opContext), opContext, "Downloading a blob with invalid MD5 should fail", HttpStatusCode.OK); await blockBlob.DownloadToStreamAsync(stream, null, optionsWithNoMD5, null); using (Stream blobStream = await blockBlob.OpenReadAsync(null, optionsWithMD5, null)) { Stream blobStreamForRead = blobStream; TestHelper.ExpectedException <IOException>( () => { int read; do { read = blobStreamForRead.Read(buffer, 0, buffer.Length); }while (read > 0); }, "Downloading a blob with invalid MD5 should fail"); } using (Stream blobStream = await blockBlob.OpenReadAsync(null, optionsWithNoMD5, null)) { Stream blobStreamForRead = blobStream; int read; do { read = await blobStreamForRead.ReadAsync(buffer, 0, buffer.Length); }while (read > 0); } } CloudPageBlob pageBlob = container.GetPageBlobReference("blob2"); using (Stream stream = new MemoryStream(buffer)) { await pageBlob.UploadFromStreamAsync(stream, null, optionsWithMD5, null); } using (Stream stream = new MemoryStream()) { await pageBlob.DownloadToStreamAsync(stream, null, optionsWithMD5, null); await pageBlob.DownloadToStreamAsync(stream, null, optionsWithNoMD5, null); using (Stream blobStream = await pageBlob.OpenReadAsync(null, optionsWithMD5, null)) { Stream blobStreamForRead = blobStream; int read; do { read = await blobStreamForRead.ReadAsync(buffer, 0, buffer.Length); }while (read > 0); } using (Stream blobStream = await pageBlob.OpenReadAsync(null, optionsWithNoMD5, null)) { Stream blobStreamForRead = blobStream; int read; do { read = await blobStreamForRead.ReadAsync(buffer, 0, buffer.Length); }while (read > 0); } pageBlob.Properties.ContentMD5 = "MDAwMDAwMDA="; await pageBlob.SetPropertiesAsync(); OperationContext opContext = new OperationContext(); await TestHelper.ExpectedExceptionAsync( async() => await pageBlob.DownloadToStreamAsync(stream, null, optionsWithMD5, opContext), opContext, "Downloading a blob with invalid MD5 should fail", HttpStatusCode.OK); await pageBlob.DownloadToStreamAsync(stream, null, optionsWithNoMD5, null); using (Stream blobStream = await pageBlob.OpenReadAsync(null, optionsWithMD5, null)) { Stream blobStreamForRead = blobStream; TestHelper.ExpectedException <IOException>( () => { int read; do { read = blobStreamForRead.Read(buffer, 0, buffer.Length); }while (read > 0); }, "Downloading a blob with invalid MD5 should fail"); } using (Stream blobStream = await pageBlob.OpenReadAsync(null, optionsWithNoMD5, null)) { Stream blobStreamForRead = blobStream; int read; do { read = await blobStreamForRead.ReadAsync(buffer, 0, buffer.Length); }while (read > 0); } } } finally { container.DeleteIfExistsAsync().Wait(); } }