METHOD_0 ( ) { com . vaadin . flow . dom . Node < ? > parent = METHOD_1 ( ) ; com . vaadin . flow . dom . Element child = com . vaadin . flow . dom . IDENT_0 . METHOD_2 ( ) ; parent . METHOD_3 ( child ) ; "<AssertPlaceHolder>" ; } METHOD_4 ( com . vaadin . flow . dom . Element ) { if ( child == null ) { throw new java . lang . IllegalArgumentException ( STRING_0 ) ; } if ( ! ( equals ( child . METHOD_5 ( ) ) ) ) { return - 1 ; } for ( int i = 0 ; i < ( METHOD_6 ( ) ) ; i ++ ) { com . vaadin . flow . dom . Element element = METHOD_7 ( i ) ; if ( element . equals ( child ) ) { return i ; } } return - 1 ; }
org . junit . Assert . assertEquals ( 0 , parent . METHOD_4 ( child ) )