A beginners guide to testing

A beginners guide to testing Philip Johnson Collaborative Software Development Laboratory Information and Computer Sciences University of Hawaii Honolulu HI 96822

Objectives ,[object Object],[object Object]

First National Bank (1996) ,[object Object],[object Object],[object Object],[object Object]

Therac-25 (1985-1987) ,[object Object],[object Object],[object Object],[object Object]

Ariane 5 (1996) ,[object Object],[object Object],[object Object],[object Object]

ICS 314, Fall 2011 ,[object Object],[object Object],[object Object],[object Object]

Testing fits into Validation and Verification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Static vs. Dynamic V&V ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Issues ,[object Object],[object Object],[object Object]

Why is testing hard? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How do we determine which tests to write? Selected examples: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Specification based testing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Equivalence classes ,[object Object],[object Object],[object Object],[object Object]

Unit test design heuristics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Web app design heuristics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Statement coverage ,[object Object],[object Object],[object Object]

Control flow coverages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

JaCoCo: Red regions not tested

“ Coverage-driven test case design” ,[object Object],[object Object],[object Object]

“ Coverage-driven test case design” is bad! ,[object Object],[object Object],[object Object],[object Object],[object Object]

Limitations of white-box testing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Quality assurance in this class ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A beginners guide to testing

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A beginners guide to testing