protected final double _testRawDeser(int reps, byte[] json, ObjectReader reader)
     throws IOException {
   long start = System.nanoTime();
   final JsonFactory f = reader.getFactory();
   while (--reps >= 0) {
     JsonParser p = f.createParser(new ByteArrayInputStream(json));
     JsonToken t;
     while ((t = p.nextToken()) != null) {
       if (t == JsonToken.VALUE_STRING) {
         p.getText();
       } else if (t.isNumeric()) {
         p.getNumberValue();
       }
       ;
     }
     p.close();
   }
   hash = f.hashCode();
   return _msecsFromNanos(System.nanoTime() - start);
 }