Roles of glass-box and black-box testing tools

What are the roles of glass-box and black-box testing tools?

Glass Box (or white box) testing is the process of giving i/p to the system and checking how the system processes i/p to generate o/p

Black Box testing is the process of giving i/p to the system and checking if the system is giving correct o/p without bothering how the o/p is generated.

As we can see from the definitions, the role of black box testing is to ensure that the o/p generated is correct. And role of white box testing is to ensure that methods used to generate the o/p are correct.
Difference in writing the test cases for Integration testing and system testing
Integration testing is done at module level when various modules are integrated with each other to form a system or sub-system.............
What is "bug leakage?" and what is "bug release?
Bug leakage and bug release - A bug leakage results when a bug is detected which should have been detected in earlier builds/versions of the application...........
How do you develop a test plan and schedule?
A test plan is contract between the testers and the project team describing the role of testing in the project...........
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