compare = maxValue.compareTo(SimpleValueSupport.wrap(50f));
assertTrue("temperature 50 < max; "+compare, compare > 0);
compare = maxValue.compareTo(SimpleValueSupport.wrap(150f));
assertTrue("temperature 150 > max; "+compare, compare < 0);
String check = temperature.checkValidValue(SimpleValueSupport.wrap(100f));
assertNull(check, check);
check = temperature.checkValidValue(SimpleValueSupport.wrap(1f));
assertNull(check, check);
check = temperature.checkValidValue(SimpleValueSupport.wrap(-1f));
assertNotNull(check, check);