@Test
public void testEmpty() {
Exchange raw = new Exchange();
raw.id = 1;
Exchange exchange = io(raw);
assertTrue(exchange != raw);
ExchangeExtension extension = new ExchangeExtension(exchange);
assertNull(extension.getAmount());
assertNull(extension.getFormula());
assertNull(extension.getPropertyId());
assertNull(extension.getUnitId());
assertFalse(extension.isValid());
}
