Software testdesign
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This document provides an overview and outline of different types of software testing techniques, including black box testing methods like equivalence class testing, boundary value testing, decision table testing, pairwise testing, and state transition testing. It also covers white box testing techniques like control flow testing and data flow testing. The key benefits of testing mentioned are that automated testing is faster than manual testing and regression testing has little cost.
Software testdesign
- 1. The introduction of test pattern making
- 2. Reference • The content is quoted from “A priactitioner’s Guide to Software design”. • If you need further information, please reference it.
- 3. Outline • Black box testing technique • Equivalence class testing • Boundary value testing • Decision table testing • Pairwise testing • State transition testing • Use case testing • White box testing techniques • Control flow testing • Data flow testing • The testing paradigm • The process of designing testing
- 4. What is the benefit of testing • Automated testing is always faster than manual testing. • You can perform regression test by little cost.
- 5. Black box testing and white box testing(Type) • Black box testing • Only test the input and output • User-perspective testing • White box testing • Test the code flow and logic • Programmer-perspective testing
- 6. Black box testing – Equivalence class testing • Given a sample program. How many test case should we make?
- 7. Design by contract and Testing by contract • Contract • defines pre-condition and post-condition • Post-condition • defines what a module promises to do • Pre-condition • defines what the module requires to reach post-condition • Testing by contract • Only test the situations which pre-conditions are met
- 8. Defensive design and defensive testing • Defensive design • A module is designed to accept any input. • Defensive testing • Need to test all the conditions.
- 9. Black box testing – Boundary value testing • The bugs ofter happens on boundary • Test {BoundaryValue -1, BoundaryValue, BoundaryValue+1 }
- 10. Black box testing – Boundary value testing • The bugs ofter happens on boundary • Test {BoundaryValue -1, BoundaryValue, BoundaryValue+1 }
- 11. Black box testing – Decision table testing • List every possible conditions and actions. • Maximize coverage of conditions ,Minimize test numbers.
- 12. Black box testing – Decision table testing • List every possible conditions and actions. • Maximize coverage of conditions ,Minimize test numbers.
- 13. Black box testing – Pairwise testing • 1. Identify the variables • 2. Determine the number of each variables • 3. Make an orthogonal array to list all the possibility • 4. Delete unnecessary test case
- 14. Black box testing – Pairwise testing
- 15. Black box testing – State transition testing • 1. Draw state transition graph • 2. Test every possible path.
- 16. Black box testing – Use case testing • List the use scenario and test.
- 19. White box testing – Control flow testing
- 20. White box testing – Control flow testing
- 22. The process of designing testing