gen - Testcase Generator Toolkit

Role

cp4.vn/gen is the Testcase Generator Toolkit.

It focuses on setter-side tooling: generators, validators, checkers, interactors, testcase structure, subtasks, and edge-case reasoning.

Generator preview

SPYLIB ASCII banner preview

Purpose

• Make high-quality, well-tested, readable testcases and subtasks with minimal intervention.
• Make testcases portable through generators instead of large testcase archives.
• Reduce manual testcase writing while improving confidence in correctness and coverage.

Lineage

Project	Meaning	Time	Form
SPYLIB	SPYofgame LIBraries	Oct 2023	ImGui app
FINSEQ	Finite Increasing Numeric Sequence	Feb 2023	ImGui app
CRAFTBED	Core Rule Aide Form Type Base Exec Data	Nov 2023	ImGui app
ALIME	Emilia Trick and Subaru Trick	Dec 2024	Discord

Learning Style

Edge-like learning: users reason from a setter perspective, where constraints, edge cases, and contexts define what needs to be tested.

CP4CPP Rules

• Generators should explain the property they target.
• Validators should explain the input contract and rejected edge cases.
• Checkers should explain accepted equivalence, precision, and comparison rules.
• Every generator toolkit page should connect back to related doc topics and tag classifications.