1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 //! rust unittest build
16
17 /// pub add
add(a: i32, b: i32) -> i3218 pub fn add(a: i32, b: i32) -> i32 {
19 a + b
20 }
21
22 // This is a really bad adding function, its purpose is to fail in this
23 // example.
24 #[allow(dead_code)]
bad_add(a: i32, b: i32) -> i3225 fn bad_add(a: i32, b: i32) -> i32 {
26 a - b
27 }
28
29 #[cfg(test)]
30 mod tests {
31 // Note this useful idiom: importing names from outer (for mod tests) scope.
32 use super::*;
33
34 #[test]
test_add()35 fn test_add() {
36 assert_eq!(add(1, 2), 3);
37 }
38
39 #[test]
test_bad_add()40 fn test_bad_add() {
41 // This assert would fire and test will fail.
42 // Please note, that private functions can be tested too!
43 assert_eq!(bad_add(1, 2), 3);
44 }
45 }
46