1/*
2 * Copyright (c) 2023-2024 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
16interface Fruit {}
17
18function Fruit.foo(): int {
19    return 1;
20}
21
22class Banana implements Fruit {}
23
24function Banana.foo():int {
25    return 2
26}
27
28function main() {
29    let banana = new Banana();
30    let res: int = banana.foo();
31    assert res == 2 : "expected: " + 2 + " actual: " + res;
32    let res1: int = (banana as Fruit).foo();
33    assert res1 == 1 : "expected: " + 1 + " actual: " + res1;
34}
35