public static void checkExplanations(Query query,String defaultFieldName,IndexSearcher searcher) throws IOException {
  checkExplanations(query,defaultFieldName,searcher,false);
}

public static void checkExplanations ( Query query , String defaultFieldName , IndexSearcher searcher ) throws IOException { checkExplanations ( query , defaultFieldName , searcher , false ) ; }
asserts that the explanation value for every document matching a query corresponds with the true score .
