public void MoneyHash()
{
Assert.IsFalse(_moneda12CHF.Equals(null));
Moneda equal = new Moneda(12, Divisa.CHF);
Assert.AreEqual(_moneda12CHF.GetHashCode(), equal.GetHashCode());
}
public void SimpleSubtract()
{
// [14 CHF] - [12 CHF] == [2 CHF]
Moneda expected = new Moneda(2, Divisa.CHF);
Assert.AreEqual(expected, _moneda14CHF.Restar(_moneda12CHF));
}
public void SimpleNegate()
{
// [14 CHF] negate == [-14 CHF]
Moneda expected = new Moneda(-14, Divisa.CHF);
Assert.AreEqual(expected, _moneda14CHF.Negar());
}
public void SimpleAdd()
{
// [12 CHF] + [14 CHF] == [26 CHF]
Moneda expected = new Moneda(26, Divisa.CHF);
Assert.AreEqual(expected, _moneda12CHF.Agregar(_moneda14CHF));
}
public void SimpleMultiply()
{
// [14 CHF] *2 == [28 CHF]
Moneda expected = new Moneda(28, Divisa.CHF);
Assert.AreEqual(expected, _moneda14CHF.Multiplicar(2));
}
public void Normalize2()
{
// {[12 CHF][7 USD]} - [12 CHF] == [7 USD]
Moneda expected = new Moneda(7, Divisa.USD);
Assert.AreEqual(expected, _monedero1.Restar(_moneda12CHF));
}
public IMoneda AgregarMoneda(Moneda m)
{
if (m.Divisa.Equals(Divisa))
{
return(new Moneda(Cantidad + m.Cantidad, Divisa));
}
return(new Monedero(this, m));
}
public void Normalize4()
{
// [12 CHF] - {[12 CHF][3 USD]} == [-3 USD]
Moneda[] s1 = { new Moneda(12, Divisa.CHF), new Moneda(3, Divisa.USD) };
Monedero ms1 = new Monedero(s1);
Moneda expected = new Moneda(-3, Divisa.USD);
Assert.AreEqual(expected, _moneda12CHF.Restar(ms1));
}
public void Normalize3()
{
// {[12 CHF][7 USD]} - {[12 CHF][3 USD]} == [4 USD]
Moneda[] s1 = { new Moneda(12, Divisa.CHF), new Moneda(3, Divisa.USD) };
Monedero ms1 = new Monedero(s1);
Moneda expected = new Moneda(4, Divisa.USD);
Assert.AreEqual(expected, _monedero1.Restar(ms1));
}
protected void SetUp()
{
_moneda12CHF = new Moneda(12, Divisa.CHF);
_moneda14CHF = new Moneda(14, Divisa.CHF);
_moneda7USD = new Moneda(7, Divisa.USD);
_moneda21USD = new Moneda(21, Divisa.USD);
_monedero1 = new Monedero(_moneda12CHF, _moneda7USD);
_monedero2 = new Monedero(_moneda14CHF, _moneda21USD);
}
public void MoneyEquals()
{
//NOTE: Normally we use Assert.AreEqual to test whether two
// objects are equal. But here we are testing the Monedero.Equals()
// method itself, so using AreEqual would not serve the purpose.
Assert.IsFalse(_moneda12CHF.Equals(null));
Moneda equalMoney = new Moneda(12, Divisa.CHF);
Assert.IsTrue(_moneda12CHF.Equals(_moneda12CHF));
Assert.IsTrue(_moneda12CHF.Equals(equalMoney));
Assert.IsFalse(_moneda12CHF.Equals(_moneda14CHF));
}
public override bool Equals(Object anObject)
{
if (EnCeros)
{
if (anObject is IMoneda)
{
return(((IMoneda)anObject).EnCeros);
}
}
if (anObject is Moneda)
{
Moneda aMoney = (Moneda)anObject;
return(aMoney.Divisa.Equals(Divisa) &&
Cantidad == aMoney.Cantidad);
}
return(false);
}
private void AppendMoney(Moneda aMoney)
{
IMoneda old = FindMoney(aMoney.Divisa);
if (old == null)
{
fMonies.Add(aMoney);
return;
}
fMonies.Remove(old);
IMoneda sum = old.Agregar(aMoney);
if (sum.EnCeros)
{
return;
}
fMonies.Add(sum);
}
private bool Contains(Moneda aMoney)
{
Moneda m = FindMoney(aMoney.Divisa);
return(m.Cantidad == aMoney.Cantidad);
}
public IMoneda AgregarMoneda(Moneda m)
{
return((new Monedero(m, this)).Simplify());
}
public Monedero(Moneda m, Monedero bag)
{
AppendMoney(m);
AppendBag(bag);
}
public Monedero(Moneda m1, Moneda m2)
{
AppendMoney(m1);
AppendMoney(m2);
}
