question: public void runTest ( ) throws Throwable { Document doc ; EntityReference entRef ; CharacterData entText ; doc = ( Document ) load ( "staff" , true ) ; entRef = doc . createEntityReference ( "ent3" ) ; assertNotNull ( "createdEntRefNotNull" , entRef ) ; entText = ( CharacterData ) entRef . getFirstChild ( ) ; assertNotNull ( "entTextNotNull" , entText ) ; { boolean success = false ; try { entText . setNodeValue ( "newValue" ) ; } catch ( DOMException ex ) { success = ( ex . code == DOMException . NO_MODIFICATION_ALLOWED_ERR ) ; } assertTrue ( "throw_NO_MODIFICATION_ALLOWED_ERR" , success ) ; } }
target:  Runs the test case.