public CompactDisk(string bandname, string diskname, string asin, myPrice price)
{
if (string.IsNullOrWhiteSpace (bandname))
throw new ArgumentException ("You've to add a bandname to CDs.");
if (string.IsNullOrWhiteSpace (diskname))
throw new ArgumentException ("You've to add the title of the disk.");
if (string.IsNullOrWhiteSpace (asin))
throw new ArgumentException ("ASIN mustn't be empty.");
Bandname = bandname;
Diskname = diskname;
ASIN = asin;
UpdatePrice (price.Amount,price.Unit);
}
public void CanCreatePrice()
{
var x = new myPrice(1, Currency.EUR);
Assert.IsTrue(x.Amount == 1);
Assert.IsTrue(x.Unit == Currency.EUR);
}
public void UpdatePrice(decimal newprice, Currency curr)
{
if (newprice < 0)
throw new ArgumentException ("Price must not be negative.");
actualprice = new myPrice(newprice, curr);
}