购物车的功能测试可以确保您能够通过登录某一web页面将商品添加到购物车中。

A functional test for a shopping cart would ensure that you could add an item to a cart through a post to a Web page.

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例如，当你测试一个在线购物车功能时，手动设置“价格”参数为“免费”，消费者就会免费得到这款商品。

For example, if you manually set a parameter called 'price' to 'free' while testing an online shopping cart, then the customer gets the ordered product for free.

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