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
16if (typeof (print) !== 'function') {
17  print = function (msg) {
18    console.log(msg);
19  }
20}
21
22function show(res) {
23  print(`${res.value},${res.done}`);
24}
25
26function fn(title) {
27  return new Promise((resolve, reject) => {
28    resolve(title);
29  }).then((res) => {
30    print(res);
31  });
32}
33
34let test = {
35  async *gen() {
36    yield await fn("#1");
37    yield await fn("#2");
38    yield await fn("#3");
39  }
40}
41
42let g = test.gen();
43
44let n = g.next();
45n.then((res) => {
46  show(res);
47});
48
49n = g.next();
50n.then((res) => {
51  show(res);
52});
53
54n = g.next();
55n.then((res) => {
56  show(res);
57});
58
59n = g.next();
60n.then((res) => {
61  show(res);
62});
63
64n = g.next();
65n.then((res) => {
66  show(res);
67});
68
69print('end');
70