opts := ObjectOptions{}
	_, err := obj.NewMultipartUpload(context.Background(), "--", object, opts)
	if err == nil {
		t.Fatalf("%s: Expected to fail since bucket name is invalid.", instanceType)
	}

	errMsg := "Bucket not found: minio-bucket"
	// operation expected to fail since the bucket on which NewMultipartUpload is being initiated doesn't exist.
	_, err = obj.NewMultipartUpload(context.Background(), bucket, object, opts)

	textData := generateBytesData(objSize)
	// generate md5sum for the generated data.
	// md5sum of the data to written is required as input for NewMultipartUpload.
	res, err := obj.NewMultipartUpload(b.Context(), bucket, object, ObjectOptions{})
	if err != nil {
		b.Fatal(err)
	}

	sha256hex := ""

	var textPartData []byte

		ChecksumType: userDefined[hash.MinIOMultipartChecksumType],
	}, nil
}

// NewMultipartUpload - initialize a new multipart upload, returns a
// unique id. The unique id returned here is of UUID form, for each
// subsequent request each UUID is unique.
//
// Implements S3 compatible initiate multipart API.

	// that is without any other handler being registered,
	// That's why NewMultipartUpload is initiated using ObjectLayer.
	res, err := obj.NewMultipartUpload(context.Background(), bucketName, testObject, opts)
	if err != nil {
		// Failed to create NewMultipartUpload, abort.
		t.Fatalf("MinIO %s : <ERROR>  %s", instanceType, err)
	}
	uploadID := res.UploadID

	if err != nil {
		t.Fatalf("Failed to make a bucket - %v", err)
	}

	// Create an object with multiple parts uploaded in decreasing
	// part number.
	res, err := objLayer.NewMultipartUpload(ctx, bucket, object, opts)
	if err != nil {
		t.Fatalf("Failed to create a multipart upload - %v", err)
	}

	var uploadedParts []CompletePart
	for _, partID := range []int{2, 1} {

	}

	if opts.WantChecksum != nil {
		opts.WantChecksum.Type |= hash.ChecksumMultipart | hash.ChecksumIncludesMultipart
	}

	newMultipartUpload := objectAPI.NewMultipartUpload

	res, err := newMultipartUpload(ctx, bucket, object, opts)
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	var opts ObjectOptions
	err := obj.MakeBucket(context.Background(), "bucket", MakeBucketOptions{})
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	res, err := obj.NewMultipartUpload(context.Background(), "bucket", "key", opts)
	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	uploadID := res.UploadID

	// Create a byte array of 5MiB.

}

// shuffleDisksAndPartsMetadataByIndex this function should be always used by GetObjectNInfo()
// and CompleteMultipartUpload code path, it is not meant to be used with PutObject,
// NewMultipartUpload metadata shuffling.
func shuffleDisksAndPartsMetadataByIndex(disks []StorageAPI, metaArr []FileInfo, fi FileInfo) (shuffledDisks []StorageAPI, shuffledPartsMetadata []FileInfo) {
	shuffledDisks = make([]StorageAPI, len(disks))

// if none are found falls back to most available space pool, this function is
// designed to be only used by PutObject, CopyObject (newObject creation) and NewMultipartUpload.
func (z *erasureServerPools) getPoolIdx(ctx context.Context, bucket, object string, size int64) (idx int, err error) {
	pinfo, _, err := z.getPoolInfoExistingWithOpts(ctx, bucket, object, ObjectOptions{

}

// Initiate a new multipart upload on a hashedSet based on object name.
func (s *erasureSets) NewMultipartUpload(ctx context.Context, bucket, object string, opts ObjectOptions) (res *NewMultipartUploadResult, err error) {
	set := s.getHashedSet(object)
	return set.NewMultipartUpload(ctx, bucket, object, opts)
}

// PutObjectPart - writes part of an object to hashedSet based on the object name.