| // Copyright 2021 The Chromium Authors | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| pub extern "C" fn do_subtract(a: u32, b: u32) -> u32 { | |
| a - b | |
| } | |
| #[test] | |
| fn test_ok() { | |
| assert_eq!(do_subtract(12, 8), 4) | |
| } |