public void SellItemWithoutPriceTest()
{
var itemWithoutBuyPrice = new CollectionItemInstance(Guid.NewGuid(), new ItemDefinition(Guid.NewGuid())
{
maxStackSize = 5, buyPrice = new [] { new CurrencyDecorator(_gold, 10f) }
});
_vendorCollection.Add(ToProduct(itemWithoutBuyPrice), 3);
var canBuy = _vendor.CanSellToVendor(_customer, new VendorProduct <IItemInstance>(itemWithoutBuyPrice, itemWithoutBuyPrice.itemDefinition.buyPrice, itemWithoutBuyPrice.itemDefinition.sellPrice), 1);
Assert.AreEqual(Errors.VendorProductHasNoPrice, canBuy.error);
Assert.IsFalse(canBuy.result);
}