1/* 2 * Copyright (c) 2025 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 A { 17 foo(v: string) { console.log("A:" + v) } 18} 19 20class C { 21 foo)v: string) { console.log("C:" + v) } 22} 23 24function test1(v: A|C) { 25 v.foo("123") 26} 27 28/* @@? 21:8 Error SyntaxError: Field type annotation expected. */ 29/* @@? 21:8 Error SyntaxError: Unexpected token ')'. */ 30/* @@? 21:18 Error SyntaxError: Unexpected token ')'. */ 31/* @@? 21:20 Error SyntaxError: Unexpected token '{'. */ 32/* @@? 21:29 Error SyntaxError: Field type annotation expected. */ 33/* @@? 21:29 Error SyntaxError: Unexpected token '.'. */ 34/* @@? 21:33 Error TypeError: Only abstract or native methods can't have body. */ 35/* @@? 21:34 Error SyntaxError: Unexpected token, expected an identifier. */ 36/* @@? 21:34 Error SyntaxError: Parameter declaration should have an explicit type annotation. */ 37/* @@? 21:34 Error SyntaxError: Unexpected token, expected ',' or ')'. */ 38/* @@? 21:34 Error SyntaxError: Unexpected token 'C:'. */ 39/* @@? 21:39 Error SyntaxError: Unexpected token '+'. */ 40/* @@? 21:41 Error TypeError: Variable 'v' has already been declared. */ 41/* @@? 21:42 Error SyntaxError: Field type annotation expected. */ 42/* @@? 21:42 Error SyntaxError: Unexpected token ')'. */ 43/* @@? 22:1 Error SyntaxError: Unexpected token '}'. */ 44