METHOD_0 ( ) { com . vaadin . data . provider . IDENT_0 item = IDENT_1 . get ( 0 ) ; data . METHOD_1 ( item ) . METHOD_2 ( null , item ) ; "<AssertPlaceHolder>" ; } METHOD_3 ( T ) { if ( ! ( contains ( item ) ) ) { throw new java . lang . IllegalArgumentException ( ( ( STRING_0 + item ) + STRING_1 ) ) ; } return java . util . Collections . METHOD_4 ( IDENT_2 . get ( item ) . METHOD_3 ( ) ) ; }
org . junit . Assert . assertTrue ( data . METHOD_3 ( null ) . contains ( item ) )