Question

What is software testing explain black box and white box testing on detail with example​

Answer 1

Answer:

Black Box Testing is a software testing method in which the internal structure/ design/ implementation of the item being tested is NOT known to the tester. White Box Testing is a software testing method in which the internal structure/ design/ implementation of the item being tested is known to the tester.

Answer 2

Software Testing:

Software testing is a process to check whether the actual output of the software meets the expected output and also make sure that the software is defect-free.

White box testing:

• Internal structure knowledge has to be required
• It is done by software developers.
• Knowledge of implementation is required.
• After a detail design document, Testing has to be done.
• Programming knowledge is required.
• It is the logic testing.
• It is also called as clear box testing.
• It is the most time-consuming.
• It is suitable for algorithm testing.
• Data domains along with inner or internal boundaries can be better tested.

• Example: by input to check and verify loops

Black Box Testing

• The code is hidden and no other details can be shown.
• It is done by software testers.  
• Implementation knowledge is not needed.
• It can be referred to as outer or external software testing.  
• It is a functional test.
• The programming knowledge is not required.  
• It is applicable to the higher levels of testing of software.  
• It is also called closed testing.  
• It takes at least time-consuming.  
• Example: search something on google

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