for k, v := range m {
				r[k] = v
			}
			return r
		}
	)

	type ObjectInput struct {
		objectName  string
		partLengths []int64

		metaData map[string]string
	}

	objectLength := func(oi ObjectInput) (sum int64) {
		for _, l := range oi.partLengths {
			sum += l
		}
		return
	}

	// set of inputs for uploading the objects before tests for