question: some tests for the constructor . concode_field_sep PlaceHolder placeHolder concode_field_sep void testGetIndex concode_elem_sep void testGetValue concode_elem_sep void testGetKey concode_elem_sep void testSerialization concode_elem_sep void testEquals
target: void function ( ) { CategoryToPieDataset loc0 = new CategoryToPieDataset ( null , TableOrder . BY_COLUMN , 0 ) ; assertNull ( loc0 . getUnderlyingDataset ( ) ) ; assertEquals ( loc0 . getItemCount ( ) , 0 ) ; assertTrue ( loc0 . getKeys ( ) . isEmpty ( ) ) ; assertNull ( loc0 . getValue ( "srini_string" ) ) ; }