@Test
 public void emptyDeleteAt() {
   expectStatusCode(202);
   List<Header> headers = new ArrayList<Header>();
   prepareHeader(response, LAST_MODIFIED, "Mon, 03 Sep 2012 05:40:33 GMT", headers);
   prepareHeadersForRetrieval(response, headers);
   assertNull(object.getDeleteAt());
   assertNull(object.getDeleteAtAsDate());
 }
 @Test
 public void getMetadata() throws IOException, DateParseException {
   expectStatusCode(202);
   prepareMetadata();
   assertEquals("1989", object.getMetadata().get("Year"));
   assertEquals("42 BV", object.getMetadata().get("Company"));
   assertEquals("Mon, 03 Sep 2012 05:40:33 GMT", object.getLastModified());
   assertEquals(
       DateUtils.parseDate("Mon, 03 Sep 2012 05:40:33 GMT"), object.getLastModifiedAsDate());
   assertEquals(654321, object.getContentLength());
   assertEquals("image/png", object.getContentType());
   assertEquals("cae4ebb15a282e98ba7b65402a72f57c", object.getEtag());
   assertEquals("1339429105", object.getDeleteAt());
   assertEquals(DateUtils.parseDate("Mon, 11 Jun 2012 15:38:25 GMT"), object.getDeleteAtAsDate());
 }