trpl-zh-cn/listings/ch11-writing-automated-tests/no-listing-04-bug-in-add-two/src/lib.rs
2022-02-06 16:43:51 +08:00

16 lines
203 B
Rust
Executable File

// ANCHOR: here
pub fn add_two(a: i32) -> i32 {
a + 3
}
// ANCHOR_END: here
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn it_adds_two() {
assert_eq!(4, add_two(2));
}
}