examples/testing/unittests/rust/src/lib.rs

// Copyright 2023 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

pub fn reverse(input: &str) -> String {
    input.chars().rev().collect::<String>()
}

#[cfg(test)]
mod test {
    use super::*;

    #[test]
    fn test_reverse() {
        assert_eq!(reverse("hello"), "olleh".to_string());
        assert_eq!(reverse("World"), "dlroW".to_string());
    }
}