METHOD_0 ( ) { "<AssertPlaceHolder>" ; } empty ( ) { IDENT_0 . util . IDENT_1 IDENT_2 = IDENT_0 . util . IDENT_1 . valueOf ( "" ) ; org . junit . Assert . assertEquals ( "" , IDENT_2 . key ) ; org . junit . Assert . assertNull ( IDENT_2 . value ) ; }
org . junit . Assert . assertEquals ( java . util . Optional . empty ( ) , empty . METHOD_0 ( "a" ) )