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 16export namespace NSOuter { 17 export namespace NSInner { 18 export enum XXXType { 19 TAP = 0, 20 PAT = 1 21 } 22 } 23} 24class A {} 25class B {} 26 27type XXXType = A | B 28 29function foo(a : boolean) : NSOuter.NSInner.XXXType | number | string { 30 if (a) { 31 return NSOuter.NSInner.XXXType.TAP 32 } 33 return 0 34} 35 36function main() { 37 const res : NSOuter.NSInner.XXXType = foo(true) as NSOuter.NSInner.XXXType 38 assertEQ(res, NSOuter.NSInner.XXXType.TAP) 39 const res1 : NSOuter.NSInner.XXXType = 1 as NSOuter.NSInner.XXXType 40 assertEQ(res1, NSOuter.NSInner.XXXType.PAT) 41} 42