public void testRowErrorMessageMarker() { final ITableRidget ridget = getRidget(); final RowErrorMessageMarker marker1 = new RowErrorMessageMarker(null, person1); final RowErrorMessageMarker marker2 = new RowErrorMessageMarker(null, person2); assertFalse(ridget.isErrorMarked()); ridget.addMarker(marker1); ridget.addMarker(marker1); assertTrue(ridget.isErrorMarked()); ridget.removeMarker(marker1); assertFalse(ridget.isErrorMarked()); ridget.addMarker(marker1); ridget.addMarker(marker2); ridget.removeMarker(marker1); assertTrue(ridget.isErrorMarked()); ridget.removeMarker(marker2); assertFalse(ridget.isErrorMarked()); }