Chapter 6 – Test Tools
Assertion – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A statement in a test that verifies an expected condition holds, causing the test to fail if the condition is false.
In simple words
The check inside a test that decides pass or fail.
Exam tip
Prefer one logical assertion per test — makes failures easier to diagnose.
Related terms
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