Why white box testing techniques are also called as clear
and glass box testing teschniques?

Answer Posted / srinivasan desikan

I am the author of "Software testing - Principles and
practices". Thanks for referring my book in the discussion
and here is my answer from best of my knowledge.

While box testing, clear box testing and glass box testing
are one and the same. Doing this type of testing requires
the source code, clear understanding of program logic and
skills in programming.

Black box testing focusses on set of inputs and their
corresponding expected output and source code is not
necessary here.

A combination of black box and white box techniques in
doing the testing (code coverage testing at times follows
this technique) is called grey box testing.

These are explained in my book and all the best!.

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