public ViewResult Checkout(Cart cart, ShippingDetails shippingDetails) {
if (cart.Lines.Count() == 0) {
ModelState.AddModelError("", "Sorry, your cart is empty!");
}
if (ModelState.IsValid) {
orderProcessor.ProcessOrder(cart, shippingDetails);
cart.Clear();
return View("Completed");
} else {
return View(shippingDetails);
}
}
public void Can_Clear_Contents()
{
// Arrange
Product p1 = new Product
{
ProductID = 1,
Name = "P1",
Price = 100M
};
Product p2 = new Product { ProductID = 2, Name = "P2", Price = 50M };
// Arrange
Cart target = new Cart();
// Arrange
target.AddItem(p1, 1);
target.AddItem(p2, 1);
// Act
target.Clear();
// Assert
Assert.AreEqual(target.Lines.Count(), 0);
}