A very random testing plan which can be executed to find random defects is known as ad hoc testing. Know more about ad hoc testing in this article – Ad Hoc testing explained
Lets look at some of the Examples of Ad-hoc testing
To test the web application responsiveness, tester can randomly open the web application in various browsers like Firefox, Internet explorer or any mobile devices.
Most common example is entering random input in the text boxes to test validation of the input field.Testing the application on different platform to test cross-platform compatibility of the system.
For mobile app testing, the perfect example of ad hoc testing will be opening up the app and clicking random buttons or text to perform random functions.
Checking the web application functionality with respect to back button of the browser.Random power off the mobile / system while doing any activity on the application being tested.
There can be many more such examples of ad-hoc testing
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