public void test_min_nullBoth() {
   assertEquals(MoneyUtils.min((BigMoney) null, (BigMoney) null), null);
 }
 public void test_min_null2() {
   assertSame(MoneyUtils.min(GBP_20, (BigMoney) null), GBP_20);
 }
 @Test(expectedExceptions = CurrencyMismatchException.class)
 public void test_min_differentCurrencies() {
   MoneyUtils.min(GBP_20, EUR_30);
 }
 public void test_min_null1() {
   assertSame(MoneyUtils.min((BigMoney) null, GBP_30), GBP_30);
 }
 public void test_min2() {
   assertSame(MoneyUtils.min(GBP_30, GBP_20), GBP_20);
 }