   @Test
   public void test_get_style_works_for_styles()
   {

      DateDisplay component = new DateDisplay();
      
      assertEquals(component.getStyle("long"), DateFormat.LONG);
      assertEquals(component.getStyle("short"), DateFormat.SHORT);
      assertEquals(component.getStyle("full"), DateFormat.FULL);
      assertEquals(component.getStyle("medium"), DateFormat.MEDIUM);
   }