Chapter 6 – Test Tools
Test Design Tool – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A tool that supports the test design activity by generating test inputs from a specification.
In simple words
Tools that read a model, decision table or classification tree and generate test cases.
Exam tip
Pairwise generators (PICT, AllPairs) are the most-used test design tools in practice.
Related terms
- Model-Based TestingTesting where test cases are derived automatically from a model of the system's behaviour.
- Pairwise TestingInstead of testing every combination, test every pair of inputs at least once — catches most combination bugs with far fewer tests.
- Classification TreeA tree that breaks each input into partitions and sub-partitions so you can combine them systematically.
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