test that it is possible to set the panel 's chart to null . concode_field_sep List chartChangeEvents concode_field_sep void chartChanged concode_elem_sep void testGetListeners concode_elem_sep void test2502355_zoomOutBoth concode_elem_sep void test2502355_restoreAutoRangeBounds concode_elem_sep void test2502355_restoreAutoBounds concode_elem_sep void test2502355_zoomOutDomain concode_elem_sep void testConstructor1 concode_elem_sep void test2502355_zoom concode_elem_sep void chartMouseMoved concode_elem_sep void testSetMouseWheelEnabled concode_elem_sep void test2502355_zoomInRange concode_elem_sep void test2502355_restoreAutoDomainBounds concode_elem_sep void chartMouseClicked concode_elem_sep void test2502355_zoomOutRange concode_elem_sep void test2502355_zoomInBoth concode_elem_sep void test2502355_zoomInDomain
void function ( ) { JFreeChart loc0 = new JFreeChart ( new XYPlot ( ) ) ; ChartPanel loc1 = new ChartPanel ( loc0 ) ; loc1 . setChart ( null ) ; assertEquals ( null , loc1 . getChart ( ) ) ; }