public String execute() {
// Get the index of the item to remove
int itemIndex = Integer.parseInt(request.getParameter("item"));
HttpSession session = request.getSession();
// Get the cart
ShoppingCart cart = (ShoppingCart) session.getAttribute("ShoppingCart");
cart.removeItem(itemIndex);
return SUCCESS;
}
@Test
public void testRemoveItem() throws Exception {
cart.removeItem("9781430216407");
assertEquals(1, cart.getItems().size());
assertNull(cart.getItems().get("9781430216407"));
}