@Test(expectedExceptions = IllegalArgumentException.class)
 public void testRfc822DateParseIllegal() {
   dateService.rfc822DateParse("foo");
 }
 @Test
 public void testRfc822DateParse() {
   Date dsDate = dateService.rfc822DateParse(testData[0].rfc822DateString);
   assertEquals(dsDate, testData[0].date);
 }