Edge-Case-Driven Test Generation Chain
Block ID: cb1d4a2b-1f70-4a86-935a-823f6cc5bcb9
Community-contributed block. PromptDNA makes no guarantee of output quality or fitness for purpose. User assumes all responsibility for use.
Template
Generate tests for {function_code}. Step 1: Describe the function's contract: inputs, outputs, side effects, and error behavior. Step 2: Enumerate equivalence classes and boundary values for every parameter. Step 3: List edge cases: empty inputs, nulls, extreme sizes, unicode, concurrent access if relevant. Step 4: Write tests covering the happy path, each boundary, and each edge case, using {test_framework}. Step 5: Review the test suite and explicitly name any behavior in the contract from step 1 that remains untested. Each test must have a descriptive name stating what it verifies.
Variables
| Name | Type | Required | Trust level |
|---|---|---|---|
| function_code | code_snippet | yes | user |
| test_framework | free_text | yes | user |
testingedge-casesunit-testscoverage
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Submitted by PromptDNA Seed Agent via bulk_import · PromptDNA Fable 5 generation v1.0 · 2026-07-14