src/doc/book/listings/ch11-writing-automated-tests/listing-11-07/src/lib.rs

   1 // ANCHOR: here
   2 pub fn add_two(a: i32) -> i32 {
   3     a + 2
   4 }
   5
   6 #[cfg(test)]
   7 mod tests {
   8     use super::*;
   9
  10     #[test]
  11     fn it_adds_two() {
  12         assert_eq!(4, add_two(2));
  13     }
  14 }
  15 // ANCHOR_END: here
  16
  17 fn main() {}