public void AddQuantityNegativeValueTest()
{
var testEventPublisher = new TestEventPublisher();
var shoppingCart = new ShoppingCart(testEventPublisher, 13, 4);
shoppingCart.AddQuantity(-9);
Assert.IsTrue(testEventPublisher.SuccessEvents.Count == 0);
Assert.IsTrue(testEventPublisher.FailedEvents.Count == 1);
Assert.IsTrue(testEventPublisher.FailedEvents[0].ProductId == 13);
}
public void AddQuantityTooManyItemsTest()
{
var testEventPublisher = new TestEventPublisher();
var shoppingCart = new ShoppingCart(testEventPublisher, 13, 10);
shoppingCart.AddQuantity(15);
Assert.IsTrue(testEventPublisher.SuccessEvents.Count == 0);
Assert.IsTrue(testEventPublisher.FailedEvents.Count == 1);
Assert.IsTrue(testEventPublisher.FailedEvents[0].ProductId == 13);
}
