Component testing

Acceptance testing

System testing

Integration testing

A source code repository

A design document

An error log

A document describing test scope and activities

Debugger

Wireframe designer

Bug tracking tool

Compiler

Ignoring low-risk areas

Testing only risky applications

Using risky testers

Prioritizing testing based on risk

Writes user stories

Tracks project budget

Reviews documents

Runs test scripts automatically

Test script

Defect report

Test plan

Release note

Test early, test rarely

Exhaustive testing is impossible

Testing removes all defects

Testing can prove correctness

Random sampling

Testing at the edges of input ranges

System design

Code logic

To validate system interactions from user perspective

To find code coverage

To determine loop limits

To optimize performance