| % Testing | |
| <small>There is a new edition of the book and this is an old link.</small> | |
| > Rust includes support for writing software tests within the language itself. | |
| ```rust | |
| #[cfg(test)] | |
| mod tests { | |
| #[test] | |
| fn it_works() { | |
| } | |
| } | |
| ``` | |
| --- | |
| Here are the relevant sections in the new and old books: | |
| * **[in the current edition: Ch 11.00 — Testing][2]** | |
| * <small>[In the first edition: Ch 4.2 — Testing][1]</small> | |
| [1]: https://doc.rust-lang.org/1.30.0/book/first-edition/testing.html | |
| [2]: ch11-00-testing.html |