type delMarkerExpiration DelMarkerExpiration
	var dexp delMarkerExpiration
	err := dec.DecodeElement(&dexp, &start)
	if err != nil {
		return err
	}

	if dexp.Days <= 0 {
		return errInvalidDaysDelMarkerExpiration
	}

	*de = DelMarkerExpiration(dexp)
	return nil
}

// MarshalXML encodes a DelMarkerExpiration value into an XML element

			err: errInvalidDaysDelMarkerExpiration,
		},
	}

	for i, test := range tests {
		t.Run(fmt.Sprintf("TestDelMarker-%d", i), func(t *testing.T) {
			var dexp DelMarkerExpiration
			var fail bool
			err := xml.Unmarshal([]byte(test.xml), &dexp)
			if test.err == nil {
				if err != nil {
					fail = true
				}
			} else {
				if err == nil {
					fail = true
				}
				if test.err.Error() != err.Error() {