rustlings/solutions/17_tests/tests1.rs
2024-06-27 16:29:03 +02:00

25 lines
538 B
Rust

// Tests are important to ensure that your code does what you think it should
// do.
fn is_even(n: i64) -> bool {
n % 2 == 0
}
fn main() {
// You can optionally experiment here.
}
#[cfg(test)]
mod tests {
// When writing unit tests, it is common to import everything from the outer
// module (`super`) using a wildcard.
use super::*;
#[test]
fn you_can_assert() {
assert!(is_even(0));
assert!(!is_even(-1));
// ^ You can assert `false` using the negation operator `!`.
}
}