14514f5e3Sopenharmony_ci/*
24514f5e3Sopenharmony_ci * Copyright (c) 2023 Huawei Device Co., Ltd.
34514f5e3Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
44514f5e3Sopenharmony_ci * you may not use this file except in compliance with the License.
54514f5e3Sopenharmony_ci * You may obtain a copy of the License at
64514f5e3Sopenharmony_ci *
74514f5e3Sopenharmony_ci *     http://www.apache.org/licenses/LICENSE-2.0
84514f5e3Sopenharmony_ci *
94514f5e3Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software
104514f5e3Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
114514f5e3Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
124514f5e3Sopenharmony_ci * See the License for the specific language governing permissions and
134514f5e3Sopenharmony_ci * limitations under the License.
144514f5e3Sopenharmony_ci */
154514f5e3Sopenharmony_ci
164514f5e3Sopenharmony_ci/*
174514f5e3Sopenharmony_ci * @tc.name:async
184514f5e3Sopenharmony_ci * @tc.desc:test async function
194514f5e3Sopenharmony_ci * @tc.type: FUNC
204514f5e3Sopenharmony_ci * @tc.require: issueI5NO8G issueI8FBM3
214514f5e3Sopenharmony_ci */
224514f5e3Sopenharmony_ciconst input = [1, [2], [[3]]];
234514f5e3Sopenharmony_ciprint(input.flat(undefined));
244514f5e3Sopenharmony_ci
254514f5e3Sopenharmony_ci{
264514f5e3Sopenharmony_ci    class MyArray extends Array {
274514f5e3Sopenharmony_ci        static get [Symbol.species]() {
284514f5e3Sopenharmony_ci            return this;
294514f5e3Sopenharmony_ci        }
304514f5e3Sopenharmony_ci    }
314514f5e3Sopenharmony_ci    const wannabe = new MyArray();
324514f5e3Sopenharmony_ci    const flattened = wannabe.flat(Infinity);
334514f5e3Sopenharmony_ci    print(flattened instanceof MyArray);
344514f5e3Sopenharmony_ci}