private void assertValueRange(LabelType label, Integer... range) {
   assertEquals(Arrays.asList(range), label.getValuesAsList());
   assertEquals(range[0], Integer.valueOf(label.getMax().getValue()));
   assertEquals(range[range.length - 1], Integer.valueOf(label.getMin().getValue()));
   for (LabelValue v : label.getValues()) {
     assertFalse(Strings.isNullOrEmpty(v.getText()));
   }
 }