auto-verifying code

noun
UK /ˌɔːtəʊ ˈvɛrɪfaɪɪŋ kəʊd/
US /ˌɔːtoʊ ˈvɛrɪfaɪɪŋ koʊd/

Code that checks itself to make sure it works right.

The auto-verifying code caught the mistake before the game started.


OTHER MEANINGS

2. Code that automatically confirms data is correct as it is entered.

The form uses auto-verifying code to make sure the email address is real.

3. A program that tests another program without a person doing it.

Our auto-verifying code runs every night to check the website.

4. Software that proves its results are right on its own.

The calculator's auto-verifying code shows each answer is correct.