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1/*
2 * Copyright (c) 2023 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
16class F {
17  #f = 1;
18  #fun() { }
19  static #staticF = 2;
20  static #staticMethod() { }
21  check(a: any) {
22    #f in a; // expect F's 'f' WeakMap
23    #fun in a; // expect F's 'instances' WeakSet
24    #staticF in a; // expect F's constructor
25    #staticMethod in a; // expect F's constructor
26  }
27  precedence(a: any) {
28    // '==' and '||' have lower precedence than 'in'
29    // 'in'  naturally has same precedence as 'in'
30    // '<<' has higher precedence than 'in'
31
32    a == #f in a || a; // Good precedence: (a == (#f in a)) || a
33
34    #f in a && #f in a; // Good precedence: (#f in a) && (#f in a)
35  }
36}
37
38class Bar {
39  #f = 1;
40  check(a: any) {
41    #f in a; // expect Bar's 'f' WeakMap
42  }
43}
44
45export { }