assertEquals(12, bytesDecoded);
            assertEquals(64, response.getChunksWritten());
            assertEquals(1048576, response.getChunkBytesWritten());
            assertEquals(67108864, response.getTotalBytesWritten());
        }

        private byte[] createValidCopyChunkResponse(int chunks, int chunkBytes, int totalBytes) {
            byte[] buffer = new byte[12];