@Test public void getPieceAt() { DeskImpl desk = dataHelper.getConfiguredDesk(); DeskIterator deskIterator = desk.deskIterator("B3"); Assert.assertEquals(deskIterator.getPieceAt(SOUTH), 'N'); Assert.assertEquals(deskIterator.getPieceAt(NORTH.plus(NORTH).plus(NORTH).plus(EAST)), 'p'); }