@Test
public void testBagMultiply() {
// {[12 CHF][7 USD]} *2 == {[24 CHF][14 USD]}
IMoney expected = MoneyBag.create(new Money(24, "CHF"), new Money(14, "USD"));
assertEquals(expected, fMB1.multiply(2));
assertEquals(fMB1, fMB1.multiply(1));
assertTrue(fMB1.multiply(0).isZero());
}
@Test
public void testMoneyBagEquals() {
assertTrue(!fMB1.equals(null));
assertEquals(fMB1, fMB1);
IMoney equal = MoneyBag.create(new Money(12, "CHF"), new Money(7, "USD"));
assertTrue(fMB1.equals(equal));
assertTrue(!fMB1.equals(f12CHF));
assertTrue(!f12CHF.equals(fMB1));
assertTrue(!fMB1.equals(fMB2));
}
@Test
public void testNormalize3() {
// {[12 CHF][7 USD]} - {[12 CHF][3 USD]} == [4 USD]
IMoney ms1 = MoneyBag.create(new Money(12, "CHF"), new Money(3, "USD"));
Money expected = new Money(4, "USD");
assertEquals(expected, fMB1.subtract(ms1));
}
@Test
public void testBagNotEquals() {
IMoney bag = MoneyBag.create(f12CHF, f7USD);
assertFalse(bag.equals(new Money(12, "DEM").add(f7USD)));
}
@Test
public void testIsZero() {
assertTrue(fMB1.subtract(fMB1).isZero());
assertTrue(MoneyBag.create(new Money(0, "CHF"), new Money(0, "USD")).isZero());
}
@Test
public void testBagSumAdd() {
// {[12 CHF][7 USD]} + {[14 CHF][21 USD]} == {[26 CHF][28 USD]}
IMoney expected = MoneyBag.create(new Money(26, "CHF"), new Money(28, "USD"));
assertEquals(expected, fMB1.add(fMB2));
}
@Test
public void testBagSubtract() {
// {[12 CHF][7 USD]} - {[14 CHF][21 USD] == {[-2 CHF][-14 USD]}
IMoney expected = MoneyBag.create(new Money(-2, "CHF"), new Money(-14, "USD"));
assertEquals(expected, fMB1.subtract(fMB2));
}
@Test
public void testBagSimpleAdd() {
// {[12 CHF][7 USD]} + [14 CHF] == {[26 CHF][7 USD]}
IMoney expected = MoneyBag.create(new Money(26, "CHF"), new Money(7, "USD"));
assertEquals(expected, fMB1.add(f14CHF));
}
@Test
public void testBagNegate() {
// {[12 CHF][7 USD]} negate == {[-12 CHF][-7 USD]}
IMoney expected = MoneyBag.create(new Money(-12, "CHF"), new Money(-7, "USD"));
assertEquals(expected, fMB1.negate());
}
@Test
public void testNormalize2() {
// {[12 CHF][7 USD]} - [12 CHF] == [7 USD]
Money expected = new Money(7, "USD");
assertEquals(expected, fMB1.subtract(f12CHF));
}
@Test
public void testMoneyBagHash() {
IMoney equal = MoneyBag.create(new Money(12, "CHF"), new Money(7, "USD"));
assertEquals(fMB1.hashCode(), equal.hashCode());
}