equivalence partitioning
📗 CTFL
Official ISTQB Definition
A black-box test technique in which test conditions are equivalence partitions exercised by one representative member of each partition.
3 Ways to Think About It
The Quick Take
Dividing inputs into groups where all values in a group should behave the same.
Look Closer
Instead of testing every possible input, test one from each 'equivalent' group.
The Bottom Line
Smart sampling: if 1-10 should all work the same, just test one from that range.
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