var err1, err2 error
		var rs *HTTPRangeSpec
		var o, l int64
		rs, err1 = parseRequestRangeSpec(irs)
		if err1 == nil {
			o, l, err2 = rs.GetOffsetLength(resourceSize)
		}
		if isErrInvalidRange(err1) || (err1 == nil && isErrInvalidRange(err2)) {
			continue
		}
		t.Errorf("Case %d: Expected errInvalidRange but: %v %v %d %d %v", i, rs, err1, o, l, err2)
	}
}

func TestHTTPRequestRangeToHeader(t *testing.T) {