question: public void runTest ( ) throws Throwable { Document doc ; NodeList elementList ; Node nameNode ; CharacterData child ; String childData ; doc = ( Document ) load ( "hc_staff" , true ) ; elementList = doc . getElementsByTagName ( "acronym" ) ; nameNode = elementList . item ( 0 ) ; child = ( CharacterData ) nameNode . getFirstChild ( ) ; child . replaceData ( 30 , 5 , "98665" ) ; childData = child . getData ( ) ; assertEquals ( "characterdataReplaceDataEndAssert" , "1230 North Ave. Dallas, Texas 98665" , childData ) ; }
target:  Runs the test case.