Validating check box
While validating the product if some deviation is found in the actual result from the expected result then a bug is reported or an incident is raised. Hence, validation helps in unfolding the exact functionality of the features and helps the testers to understand the product in much better way. Also Read: What is Verification in Software Testing?
The following example shows a validation rule, Imports System. WPF does not restrict a user to the invalid control until they have entered valid data.
This is good behavior for a dialog box; a user should be able to freely navigate the controls in a dialog box whether or not data is valid.