Chapter 4 – Test Analysis & Design
Structure-Based Testing – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
Testing based on an analysis of the internal structure of the component or system. Synonym: white-box testing.
In simple words
Design tests using the code, control-flow, data-flow, or architecture — not just the spec.
Exam tip
Structure-based == white-box in ISTQB v4.0 terminology.
Related terms
- White-Box TestingYou design tests using knowledge of the code — branches, statements, paths — to hit specific structural coverage targets.
- Statement TestingDesign tests so every line of code runs at least once.
- Branch TestingDesign tests so every possible outcome of every decision (true and false) is exercised.
Practice this term in the ISTQB Mock Test
40 CTFL v4.0 questions, 60-minute timer, instant scoring and chapter-wise breakdown.
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