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jit-regression-test

Generate standalone .NET JIT regression test cases from GitHub issues.

3|Updated Feb 6, 2026
Search Tags:#code generation#github issues#dotnet#regression testing#compiler#jit
One-click install
npx skills add https://github.com/ilonatommy/copilot-skills --skill jit-regression-test-ilonatommy
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: jit-regression-test
Source: https://github.com/ilonatommy/copilot-skills/tree/main/runtime-skills/jit-regression-test
Command: npx skills add https://github.com/ilonatommy/copilot-skills --skill jit-regression-test-ilonatommy

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill automates the creation of JIT regression tests by extracting necessary code and configuration from GitHub issues, streamlining the process of identifying and fixing JIT compiler bugs.

Core Features & Use Cases

  • Automated Test Case Generation: Extracts reproduction code, issue numbers, and environment variables from GitHub issues.
  • Structured Test Creation: Creates directories and C# test files adhering to specific naming conventions and licensing.
  • Use Case: When a GitHub issue reports a JIT compiler bug with a code snippet, this Skill can automatically generate a new regression test file in the correct directory structure, ready for compilation and execution.

Quick Start

Use the jit-regression-test skill to create a new regression test case from issue number 99391.

Frequently Asked Questions about jit-regression-test

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate JIT regression tests from GitHub issues?▼

To generate JIT regression tests from GitHub issues, this Skill extracts reproduction code and issue details to automatically create standalone test cases. It scopes to the .NET JIT compiler framework, specifically handling issues reported in the JitBlue directory.

What is the process for creating .NET JIT compiler regression tests?▼

Creating .NET JIT compiler regression tests involves extracting reproduction snippets and environment variables from issue reports. The process generates new C# test files with correct licensing, naming conventions, and optional custom .csproj configurations for compilation settings.

How do I structure C# test files for .NET compiler bugs?▼

Structuring C# test files for .NET compiler bugs requires adhering to specific naming conventions and licensing standards. This Skill creates the correct directory structure and test files ready for compilation and execution based on the extracted GitHub issue.

Can I configure environment variables for JIT regression tests?▼

Yes, you can configure environment variables for JIT regression tests. The generated test files support optional custom .csproj configurations, allowing you to define specific environment variables or compilation settings required to reproduce the JIT compiler bug.

Does the jit-regression-test Skill work with issues outside the JitBlue directory?▼

No, the jit-regression-test Skill specifically scopes to the .NET JIT compiler's regression testing framework for issues reported in the JitBlue directory. It extracts reproduction code and issue details strictly from this designated source.

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