TAILIEUCHUNG - Lecter Java: Program design - Chapter 13: Testing and debugging

After completing this unit, you should be able to: Introduce various testing techniques including black-box testing, white-box testing, unit testing, integration testing, and system testing; present and explain the value of inspections and code reviews; introduce techniques for developing effective and efficient test cases such as statement coverage, path coverage, and equivalence partitioning. | Testing and Debugging Testing Fundamentals Test as you develop Easier to find bugs early rather than later Prototyping helps identify problems early Categories of bugs software crashes or data corruption failure to meet or satisfy the specification poor or unacceptable performance hard or difficult to use Testing fundamentals Impossible to test a program completely Three distinct paths through the program If the loop executes 20 times, there are 320 different sequences of executions Reviews and inspections Inspections Formal process of reviewing code First employed by IBM in 1976 Early work showed that design and review inspections remove 60 percent of the bugs in a product Reviews and inspections Roles of participants Moderator Runs the inspection Ensure that the process moves along Referees the discussion Ensures action items done Inspector Someone other than author Some interest in the code Carefully review code before inspection meeting Author Minor role May answer questions about

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