mirror of
https://github.com/rust-lang/rustlings.git
synced 2024-12-26 00:00:03 +03:00
19 lines
445 B
Rust
19 lines
445 B
Rust
|
// This test isn't testing our function -- make it do that in such a way that
|
||
|
|
// the test passes. Then write a second test that tests that we get the result
|
||
|
|
// we expect to get when we call `times_two` with a negative number.
|
||
|
|
// No hints, you can do this :)
|
||
|
|
|
||
|
|
pub fn times_two(num: i32) -> i32 {
|
||
|
|
num * 2
|
||
|
|
}
|
||
|
|
|
||
|
|
#[cfg(test)]
|
||
|
|
mod tests {
|
||
|
|
use super::*;
|
||
|
|
|
||
|
|
#[test]
|
||
|
|
fn returns_twice_of_positive_numbers() {
|
||
|
|
assert_eq!(4, 4);
|
||
|
|
}
|
||
|
|
}
|