public void GetChangeCaseNull()
{
string doc =
@"<?xml version=""1.0"" encoding=""utf-8"" ?>
<Root>
<Coin>
<Type>0.5</Type>
<Ammount>10</Ammount>
</Coin>
<Coin>
<Type>1</Type>
<Ammount>0</Ammount>
</Coin>
<Coin>
<Type>2</Type>
<Ammount>0</Ammount>
</Coin>
<Coin>
<Type>5</Type>
<Ammount>0</Ammount>
</Coin>
<Coin>
<Type>10</Type>
<Ammount>0</Ammount>
</Coin>
<Coin>
<Type>20</Type>
<Ammount>1</Ammount>
</Coin>
</Root>";
CoinManager coinMan = new CoinManager(XDocument.Parse(doc));
LinkedList<Coin> list = null;
try
{
coinMan.GiveChange(5, 5, list);
Assert.Fail();
}
catch (Exception)
{ }
}
public void GetChangeCorrect()
{
string doc =
@"<?xml version=""1.0"" encoding=""utf-8"" ?>
<Root>
<Coin>
<Type>0.5</Type>
<Ammount>20</Ammount>
</Coin>
<Coin>
<Type>1</Type>
<Ammount>0</Ammount>
</Coin>
<Coin>
<Type>2</Type>
<Ammount>0</Ammount>
</Coin>
<Coin>
<Type>5</Type>
<Ammount>0</Ammount>
</Coin>
<Coin>
<Type>10</Type>
<Ammount>0</Ammount>
</Coin>
<Coin>
<Type>20</Type>
<Ammount>0</Ammount>
</Coin>
</Root>";
CoinManager coinMan = new CoinManager(XDocument.Parse(doc));
LinkedList<Coin> list = new LinkedList<Coin>();
coinMan.GiveChange(10, 20,list);
decimal sum=0;
foreach (Coin elem in list)
{
sum += elem.ToValue();
}
Assert.AreEqual(10, sum);
}
