@Test public void testFormatNavigatorDate() { String date1 = DateFormatUtil.formatNavigatorDate(Calendar.getInstance().getTime()); Calendar yesterday = Calendar.getInstance(); yesterday.add(Calendar.DAY_OF_YEAR, -1); String date2 = DateFormatUtil.formatNavigatorDate(yesterday.getTime()); Calendar tomorrow = Calendar.getInstance(); tomorrow.add(Calendar.DAY_OF_YEAR, 1); String date3 = DateFormatUtil.formatNavigatorDate(tomorrow.getTime()); Calendar someDay = Calendar.getInstance(); someDay.set(2016, 9, 14); String date4 = DateFormatUtil.formatNavigatorDate(someDay.getTime()); assertEquals("Today", date1); assertEquals("Yesterday", date2); assertEquals("Tomorrow", date3); assertEquals("Friday, October 14", date4); }