@org.junit.Test
  public static void main(String[] args) throws Exception {
    Assert.assertEquals(-1, MoneyFactory.fromString("31").compareTo(MoneyFactory.fromString("45")));
    Assert.assertEquals(1, MoneyFactory.fromString("31").compareTo(MoneyFactory.fromString("0.2")));
    Assert.assertEquals(-1, MoneyFactory.fromString("31").compareTo(MoneyFactory.fromString("456")));
    Assert.assertEquals(1, MoneyFactory.fromString("0.31").compareTo(MoneyFactory.fromString("0.2")));
    Assert.assertEquals(-1, MoneyFactory.fromString("0.3").compareTo(MoneyFactory.fromString("0.31")));
    Assert.assertEquals(-1, MoneyFactory.fromString("0.345").compareTo(MoneyFactory.fromString("0.4560")));
    Assert.assertEquals(-1, MoneyFactory.fromString("1.45").compareTo(MoneyFactory.fromString("3.657")));
    Assert.assertEquals(-1, MoneyFactory.fromString("1.52").compareTo(MoneyFactory.fromString("2.2")));
    //Assert.assertEquals(1, MoneyFactory.fromString("3.45").compareTo(MoneyFactory.fromString("0.23")));
    Assert.assertEquals(-1, MoneyFactory.fromString("3.56").compareTo(MoneyFactory.fromString("4.063568")));
    Assert.assertEquals(0, MoneyFactory.fromString("3.57").compareTo(MoneyFactory.fromString("3.57")));
    //Assert.assertEquals(-1, MoneyFactory.fromString("4.33").compareTo(MoneyFactory.fromString("5234")));
    Assert.assertEquals(1, MoneyFactory.fromString("4.32").compareTo(MoneyFactory.fromString("0")));
    Assert.assertEquals(0, MoneyFactory.fromString("0").compareTo(MoneyFactory.fromString("0")));

    Assert.assertEquals(-1, MoneyFactory.fromString("-31").compareTo(MoneyFactory.fromString("45")));
    Assert.assertEquals(-1, MoneyFactory.fromString("-31").compareTo(MoneyFactory.fromString("0.2")));
    Assert.assertEquals(-1, MoneyFactory.fromString("-31").compareTo(MoneyFactory.fromString("456")));
    Assert.assertEquals(-1, MoneyFactory.fromString("-0.31").compareTo(MoneyFactory.fromString("0.2")));
    Assert.assertEquals(-1, MoneyFactory.fromString("-0.3").compareTo(MoneyFactory.fromString("0.31")));
    Assert.assertEquals(-1, MoneyFactory.fromString("-0.345").compareTo(MoneyFactory.fromString("0.4560")));
    Assert.assertEquals(-1, MoneyFactory.fromString("-1.45").compareTo(MoneyFactory.fromString("3.657")));
    Assert.assertEquals(-1, MoneyFactory.fromString("-1.52").compareTo(MoneyFactory.fromString("2.2")));
    Assert.assertEquals(-1, MoneyFactory.fromString("-3.45").compareTo(MoneyFactory.fromString("0.23")));
    Assert.assertEquals(-1, MoneyFactory.fromString("-3.56").compareTo(MoneyFactory.fromString("4.063568")));
    Assert.assertEquals(-1, MoneyFactory.fromString("-3.57").compareTo(MoneyFactory.fromString("3.57")));
    Assert.assertEquals(-1, MoneyFactory.fromString("-4.33").compareTo(MoneyFactory.fromString("5234")));
    Assert.assertEquals(-1, MoneyFactory.fromString("-4.32").compareTo(MoneyFactory.fromString("0")));

    Assert.assertEquals(1, MoneyFactory.fromString("31").compareTo(MoneyFactory.fromString("-45")));
    Assert.assertEquals(1, MoneyFactory.fromString("31").compareTo(MoneyFactory.fromString("-0.2")));
    Assert.assertEquals(1, MoneyFactory.fromString("31").compareTo(MoneyFactory.fromString("-456")));
    Assert.assertEquals(1, MoneyFactory.fromString("0.31").compareTo(MoneyFactory.fromString("-0.2")));
    Assert.assertEquals(1, MoneyFactory.fromString("0.3").compareTo(MoneyFactory.fromString("-0.31")));
    Assert.assertEquals(1, MoneyFactory.fromString("0.345").compareTo(MoneyFactory.fromString("-0.4560")));
    Assert.assertEquals(1, MoneyFactory.fromString("1.45").compareTo(MoneyFactory.fromString("-3.657")));
    Assert.assertEquals(1, MoneyFactory.fromString("1.52").compareTo(MoneyFactory.fromString("-2.2")));
    Assert.assertEquals(1, MoneyFactory.fromString("3.45").compareTo(MoneyFactory.fromString("-0.23")));
    Assert.assertEquals(1, MoneyFactory.fromString("3.56").compareTo(MoneyFactory.fromString("-4.063568")));
    Assert.assertEquals(1, MoneyFactory.fromString("3.57").compareTo(MoneyFactory.fromString("-3.57")));
    Assert.assertEquals(1, MoneyFactory.fromString("4.33").compareTo(MoneyFactory.fromString("-5234")));
    Assert.assertEquals(1, MoneyFactory.fromString("4.32").compareTo(MoneyFactory.fromString("0")));
  }