krastests

krastests is a collection of tests designed to verify the functionality and correctness of the Rust compiler, often referred to as `rustc`. These tests are an integral part of the Rust development process, ensuring that new changes and features do not introduce regressions or break existing code. The krastests suite encompasses a wide variety of test categories, including unit tests for specific compiler components, integration tests that check interactions between different parts of the compiler, and end-to-end tests that simulate real-world usage scenarios.

The primary purpose of krastests is to maintain the stability and reliability of the Rust language and its compiler. Developers contribute to the krastests suite by writing new tests for new features and by updating existing tests when compiler behavior changes. Running these tests regularly, especially before merging code changes, helps to catch bugs early in the development cycle. This rigorous testing approach is a significant factor in Rust's reputation for stability and safety.

The tests are typically written in Rust itself, leveraging Rust's testing framework. This allows for a high degree of expressiveness and maintainability. The krastests suite is continuously evolving alongside the Rust compiler, reflecting the ongoing efforts to improve the language and its tooling. Accessing and running these tests is a common practice for developers contributing to the Rust project or for those who want to understand the inner workings of the compiler.