@Test public void testGetAverageAge2() { System.out.println("getAverageAge"); dvdLibraryDao.create(dvd1); dvdLibraryDao.create(dvd2); double result = Math.floor(dvdLibraryDao.getAverageAge()); double expResult = dvd1.getReleaseDate().toInstant().getEpochSecond(); expResult += dvd2.getReleaseDate().toInstant().getEpochSecond(); expResult /= 2; expResult = new Date().toInstant().getEpochSecond() - expResult; expResult /= (3600 * 24); expResult = Math.floor(expResult); Assert.assertEquals(expResult, result, 0); }