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
16function foo(a: "aa"|"bb") {
17    return a
18}
19
20declare let cond: boolean;
21
22let x = cond ? "aa" : "bb"  // type of x is string
23let y = foo(x)
24
25/* @@? 23:13 Error TypeError: Type 'String' is not compatible with type '"aa"|"bb"' at index 1  */
26/* @@? 23:9 Error TypeError: No matching call signature for foo(String)  */
27/* @@? 23:13 Error TypeError: Type 'String' is not compatible with type '"aa"|"bb"' at index 1  */
28/* @@? 23:9 Error TypeError: No matching call signature for foo(String)  */
29