Chapter 4 – Test Analysis and Design
Test Case – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A set of preconditions, inputs, actions (where applicable), expected results, and postconditions, developed based on test conditions.
In simple words
A single, executable check with a clear setup, action, and expected outcome — the atomic unit of testing.
Exam tip
A test case is derived from test conditions and grouped into test procedures/scripts for execution.
Related terms
- Test PlanThe document that answers ‘what, when, how, and by whom’ for the testing effort — scope, schedule, risks, entry and exit criteria.
- Test CharterA short mission for an exploratory session — what to explore, for how long, and with what goal.
- Test OracleWhatever tells you what the ‘right’ answer should be — a requirement, a spec, a previous version, or even an experienced user.
Practice this term in the ISTQB Mock Test
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