Exceeding expected values or boundaries of the application's function (e.g., does the right error handling get triggered when entering an invalid credit card number?)

超过应用程序功能的期望值或界限(例如，当输入无效的信用卡号时，恰当的错误处理启动了吗？)

youdao

You have entered an invalid number or partial credit card or debit card number. Please check your entry and try again.

然后把我的银行借记卡号添了进去，他老是卡号无效。

youdao