* use the {@code EnumMap} constructor directly, taking advantage of <a
   * href="http://goo.gl/iz2Wi">"diamond" syntax</a>.
   *
   * @param map the map from which to initialize this {@code EnumMap}
   * @return a new {@code EnumMap} initialized with the mappings from {@code map}
   * @throws IllegalArgumentException if {@code m} is not an {@code EnumMap} instance and contains
   *     no mappings
   */

				fmt.Sprintf("bytes=-%d", objLen/2),
				// Read middle half of object
				fmt.Sprintf("bytes=%d-%d", objLen/4, objLen*3/4),
				// Read 100MiB of the object from the beginning
				fmt.Sprintf("bytes=%d-%d", 0, 100*humanize.MiByte),
				// Read 100MiB of the object from the end
				fmt.Sprintf("bytes=-%d", 100*humanize.MiByte),
			}
			for _, rangeHdr := range rangeHdrs {
				mkGetReq(oi, rangeHdr, caseNumber, sf)