Requirements Summary
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Tutorial - Shopping Cart Example -
Requirements Summary | ||||
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Home Existing User Login Brochure Sign up for Risk-Free Trial About Testcover.com Frequently Asked Questions Tutorial with Examples ->Equivalence Partitioning --->Shopping Cart Example ----->Seq. Unit Replay Design ->UML State Machines --->Shopping Cart Example --->Test Models, 1 Region --->Design Procedure --->Transition Designs ----->Functionally Dependent ----->Fixed Values --->Target State Designs ----->Functionally Dependent ----->Fixed Values --->Thermostat Example ->Definitions of Terms Performance WSDL Interface Background Partners Registrations Contact Information |
The shopping cart provides an on-line shopper with a repository for items to purchase,
and an interface for updating the items and viewing their cost.
When a shopper selects an item and places it in the cart,
she is taken to the shopping cart page.
Here items can be checked for deletion,
and new quantities can be entered.
The update button initiates these changes to the items in the cart.
The shop button returns to the previous shopping page,
and the checkout button presents the interface for shipping and payment.
Whan a shopper selects an item that is already in the cart,
the quantity of that item is incremented.
The update and checkout buttons do not appear when the cart is empty.
A cart button returns to the shopping cart from checkout.
The shopping cart operation is described in the UML state machine diagram below.
Three actions are described in pseudocode as follows.
Transitions among four states are to be tested. These are the lowest-level leaf states, emptyCart, nonemptyCart, shopping and checkout. (The shopping and checkout states are not shown above.) | ||||||
