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Boundary-Value Analysis with AI
5.1🔒Why Classical Techniques Still MatterBoundary-value analysis (BVA) and equivalence partitioning (EP) are among the oldest formal test design techniques, dating back to the…
5.2🔒The BVA Prompt PatternDescribe the input constraints and let the LLM enumerate every boundary:
5.3🔒Converting BVA Tables to Parametrized TestsPro Tip: Separate integer boundary tests from type boundary tests. They test different code paths: business logic validation vs input type…
5.4🔒Multi-Field BVAReal APIs have multiple constrained fields. Ask the AI to generate BVA for all fields:
5.5🔒Date and Time Boundary ValuesDate/time fields have unique boundary concerns:
5.6🔒Combining BVA and EPUse EP to identify classes, then BVA to test boundaries of each class:
5.7🔒Q&ASelf-Assessment Quiz1. Why do bugs cluster at boundaries? 2. How many boundary values should you test for a field with range [min, max]? 3. Why separate…
5.8🔒Key Takeaways- BVA is a classical technique made dramatically faster with AI - Convert BVA tables to parametrized tests for maximum efficiency…
5.9🔒ExercisesExercise 5.1 (Beginner): Pick a numeric field from your API. Write a BVA prompt and convert the output to parametrized tests.
5.10🔒Career Translation- Applied AI-accelerated boundary-value analysis to generate comprehensive parametrized test suites, reducing BVA analysis time from 15-20…
5.11🔒Q&AInterview Depth CheckPrompt: You are testing a product price field with constraints: minimum 0.01, maximum 99999.99, stored as decimal with 2-digit precision…