assertEquals("", Strings.commonPrefix("", ""));
    assertEquals("", Strings.commonPrefix("abc", ""));
    assertEquals("", Strings.commonPrefix("", "abc"));
    assertEquals("", Strings.commonPrefix("abcde", "xyz"));
    assertEquals("", Strings.commonPrefix("xyz", "abcde"));
    assertEquals("", Strings.commonPrefix("xyz", "abcxyz"));
    assertEquals("a", Strings.commonPrefix("abc", "aaaaa"));

    assertEquals("", Strings.commonPrefix("", ""));
    assertEquals("", Strings.commonPrefix("abc", ""));
    assertEquals("", Strings.commonPrefix("", "abc"));
    assertEquals("", Strings.commonPrefix("abcde", "xyz"));
    assertEquals("", Strings.commonPrefix("xyz", "abcde"));
    assertEquals("", Strings.commonPrefix("xyz", "abcxyz"));
    assertEquals("a", Strings.commonPrefix("abc", "aaaaa"));

	listMultipartUploadsResponse.CommonPrefixes = make([]CommonPrefix, len(multipartsInfo.CommonPrefixes))
	for index, commonPrefix := range multipartsInfo.CommonPrefixes {
		listMultipartUploadsResponse.CommonPrefixes[index] = CommonPrefix{
			Prefix: s3EncodeName(commonPrefix, encodingType),
		}
	}
	listMultipartUploadsResponse.Uploads = make([]Upload, len(multipartsInfo.Uploads))

			if delimiter != "" {
				i := strings.Index(objName[len(prefix):], delimiter)
				if i >= 0 {
					commonPrefix := objName[:len(prefix)+i+1]
					if len(listObjectsInfo.Prefixes) == 0 || commonPrefix != listObjectsInfo.Prefixes[len(listObjectsInfo.Prefixes)-1] {
						listObjectsInfo.Prefixes = append(listObjectsInfo.Prefixes, commonPrefix)
						count++
					}
					goto next
				}
			}

			Owner        Owner
			StorageClass string
			Initiated    time.Time // Keep this native to be able to parse properly.
		}
		Prefix         string
		Delimiter      string
		CommonPrefixes []CommonPrefix
	}

	// parse the response body.
	decoder = xml.NewDecoder(response3.Body)
	newResponse3 := &listMultipartUploadsResponse{}
	err = decoder.Decode(newResponse3)
	c.Assert(err, nil)

LL","LLLL","dayOfMonthOrdinalParse","relativeTime","future","past","ss","mm","h","hh","dd","w","ww","M","MM","yy","meridiemParse","locales","localeFamilies","normalizeLocale","chooseLocale","names","j","next","loadLocale","arr1","arr2","minl","commonPrefix","oldLocale","_abbr","require","getSetGlobalLocale","e","values","data","getLocale","defineLocale","abbr","_config","parentLocale","forEach","checkOverflow","_a","_overflowDayOfYear","_overflowWeeks","_overflowWeekday","extendedIsoRegex","basi...