White box testing involves testing the internal structure and code of a software program, allowing testers to see inside the "box". It is used to test for internal security holes, code paths, expected outputs, and functionality of conditional statements. It involves understanding the source code and creating test cases to execute each process individually through manual testing and testing tools. Common techniques include statement, branch, condition coverage, and path testing. White box testing can thoroughly test all code paths but is complex, expensive, time-consuming, and requires professional resources with programming expertise.

1. WHITE BOX TESTING
AYUSH AGARWAL
B.TECH (CSE)-V

2. What is White Box Testing…
• Testing of a software solution's internal coding and infrastructure.
• Clear Box testing, Open Box testing, Structural testing, Transparent
Box testing, Code-Based testing, and Glass Box testing.
• See-through box concept.

3. It is used for...
• Internal security holes
• Broken or poorly structured paths in the coding processes
• The flow of specific inputs through the code
• Expected output
• The functionality of conditional loops
• Testing of each statement, object and function on an individual basis

4. How it is done…
• Step 1) Understand The Source Code
o Very knowledgeable of the programming language
o Highly aware of secure coding practices
• Step 2) Create Test Cases And Execute
o Develop little tests for each process or series of processes in the application
o Manual Testing, trial and error testing and the use of testing tools

5. Testing Techniques…
• Statement Testing: This technique requires every possible
statement in the code to be tested at least once during
the testing process.
• Branch Testing: This technique checks every possible path of a
software application.
• Condition Coverage, Multiple Condition Coverage, Path Coverage,
Function Coverage etc.

6. Types…
• Unit Testing:
• First type of testing
• Performed on each unit or block of code
• Done by programmer
• Testing for memory leaks:
• Essential in slow running software application
• Tools like RationalPurify for windows

7. Advantages…
• White box tests cases can be easily automated.
• Testing is more thorough as all code paths are usually covered.
• Testing can start early in SDLC even if GUI is not available.
Disadvantages…
• Complex and expensive.
• Requires professional resources, with a detailed understanding of
programming and implementation.
• Time-consuming, bigger programming applications take the time to
test fully.

8. THANK YOU