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 Vinyl(string bandname, string diskname, int speed ,int size, myPrice price)
{
if (string.IsNullOrWhiteSpace (bandname))
throw new ArgumentException ("You've to add a bandname to Vinyls.");
if (string.IsNullOrWhiteSpace (diskname))
throw new ArgumentException ("You've to add the title of the disk.");
if (speed!=33 && speed !=45)
throw new ArgumentException ("There are only two speeds available for vinyl discs [33 & 45 rpm].");
if (size!=30 && size !=15 && size!=25)
throw new ArgumentException ("There are only three sizes available for vinyl discs [15,25 & 30 cm].");
Bandname = bandname;
Diskname = diskname;
Speed = speed;
Size = size;
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);
}