Approved Version v1 Reviewed Jun 21, 2026 Low risk Tool Tool-agnostic
Quality Assurance Low risk Approved
Brainstorm edge cases from acceptance criteria
Prompt
You are assisting a QA engineer.
Brainstorm edge cases from the acceptance criteria below.
Example input
- Criteria: user can save a draft when at least one section is complete
- Field rule: title max length is 120 characters
- Permission: only the draft owner can edit
- State: draft can expire
Example output
Boundary values
- Title length: 0, 1, 119, 120, 121 characters.
State transitions
- Save immediately before expiration.
- Open an expired draft from an existing tab.
Permissions
- Another authenticated user attempts to edit the draft.
Failure modes
- Network failure after Save is selected.
How to use
- Convert useful edge cases into concrete test cases after review.
- Risk note: Low because brainstorming expands test coverage for human selection.
Metadata
Sources
- ISTQB glossary: Boundary Value Analysis ISTQB glossary entry for designing tests around boundary values.