@Test public void testSameDayOfYearAs() throws Exception { assertTrue(new Date(2001, 8, 17).sameDayOfYearAs(new Date(2003, 8, 17))); assertTrue(new Date(1999, 3, 1).sameDayOfYearAs(new Date(2000, 2, 29))); // leap // year assertFalse(new Date(2001, 3, 1).sameDayOfYearAs(new Date(2000, 3, 2))); }