The Purpose of Testing

The Cost of Software Development Process

A Historical Views of Software Testing

The Debugging

Oriented Period (-1956)

Oriented Period (1957-1978)

Oriented Period (1979-1982)

Oriented Period (1983-1987)

Oriented Period (1988-)

Practitioners' Views of Software Testing

Principles of Testing

Principles 1: Complete Testing is not Possible

Principles 2: Testing work is creative and difficult

Principles 3: An Important reson for testing is to prevent deficiencies from occurring

Principles 4: Testing must be planned

Principles 5: Testing Requires Independent

Questions

The testers' Objective