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 16function foo(): void { 17 let b: FixedArray<number|undefined> = [ 1, 2, 3, , 4, ] 18} 19 20/* @@? 17:53 Error SyntaxError: Unexpected token ','. */ 21/* @@? 17:55 Error SyntaxError: Unexpected token, expected ',' or ']'. */ 22/* @@? 17:55 Error SyntaxError: Unexpected token '4'. */ 23/* @@? 17:56 Error SyntaxError: Unexpected token ','. */ 24/* @@? 17:58 Error SyntaxError: Unexpected token ']'. */ 25