vendredi 2 mars 2018

Duplicate transaction from an account

Suppose there is 1 uber cab available and two people are booking the cab at the same time with the same timestamp from the app. And both the request gets accepted and acknowledged. Now whose transaction will ne really successful and the cab will come to which person? How will we test this application and what defect is it? How do we avoid this kind of defect while developing a software?

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