1/*
2 * Copyright (c) 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 Vehicle {
17    private getHorsePower3(rpm: int, trq: int): int{
18        return (rpm * trq) / 5252;
19    }
20
21    getPwrIndex(trq: int): int{
22        return this.getHorsePower3(5252, trq);
23    }
24}
25
26class Car implements Vehicle{}
27
28function main(): void {
29    assert new Car().getPwrIndex(1) == 1;
30}
31
32/* @@? 21:16 Error TypeError: Cannot reference 'this' in this context.  */
33