@Test
public void comparisonGreaterThan() throws Exception {

    Address a = Address.fromBase58(mainParams, "XpDe4AXdEf9NtW5ZBeGmuzy2VShg3qZMFQ");
    Address b = Address.fromBase58(mainParams, "XoVhYqRxPWkCw8WjZfiHPYsoR7g4Ny3x7K");
    int result = a.compareTo(b);
    assertTrue(result > 0);
}