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📖 What is Equivalence Partitioning (EP)?

Equivalence Partitioning (EP) is a black-box test technique that divides input data into classes expected to be treated similarly by the software. Test cases are designed to execute at least one representative value from each partition.

🥋 Sensei Says:

"If one value in an equivalence partition fails, assume all values in that partition will fail. Always identify and test both valid and invalid partitions."

📚 Certification: Certified Tester Foundation Level (CTFL-v4.0)

🔑 What are the Key Concepts of Equivalence Partitioning (EP)?

▸ Dividing inputs into classes
▸ Representative values
▸ Valid and invalid partitions

🎯 How does Equivalence Partitioning (EP) appear on the CTFL-v4.0 Exam?

Calculating the minimum number of test cases needed to cover all partitions.

Identifying valid and invalid partitions for a given input range.

❓ Frequently Asked Questions

Why use Equivalence Partitioning?

To reduce the number of test cases while maintaining good coverage.

Should you test every value in a partition?

No, testing one representative value per partition is sufficient.

Related Terms from Certified Tester Foundation Level

Perspective-based Reading Moderator Functional Testing Action (Decision Table) Defect Density Defect Report

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