testing/
lib.rs

1// Copyright 2018 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// See the test section of the Rust Book
6// https://doc.rust-lang.org/book/second-edition/ch11-03-test-organization.html
7
8pub fn mult_two(a: i32) -> i32 {
9    a * 2
10}
11
12#[cfg(test)]
13mod tests {
14    use super::*;
15
16    #[test]
17    fn it_works() {
18        assert_eq!(mult_two(2), 4);
19    }
20}