equivalence partition
📘 CTAL-TA
Official ISTQB Definition
A subset of a value domain for which a component or system is expected to treat all values the same based on the specification.
3 Ways to Think About It
The Quick Take
A group of inputs that should all be treated the same way by the system.
Look Closer
A set of values where testing one should reveal bugs that apply to all.
The Bottom Line
Dividing inputs into groups to reduce test cases while maintaining coverage.
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