1/*
2 * Copyright (c) 2022-2024 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
16
17interface a {
18    a: number,
19}
20
21interface b {
22    a: number,
23    b: string,
24}
25
26interface c {
27    a: number,
28    b: string,
29    c: boolean
30}
31
32interface d extends a, b, c {
33    d: number
34}
35
36var a: d = { a: 5, b: "foo", c: true };
37/* @@? 36:5 Error TypeError: Type '{ a: 5; b: "foo"; c: true; }' is not assignable to type 'd'.  */
38