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boundary value

📖 ISTQB Glossary

Official ISTQB Definition

A minimum or maximum value of an ordered equivalence partition.

3 Ways to Think About It

💡
The Quick Take

Input values at the edges of equivalence partitions.

🔍
Look Closer

The minimum, maximum, and just-beyond values to test.

🎯
The Bottom Line

Edge cases where bugs often hide - the boundaries of valid ranges.

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