1/* 2 * Copyright (c) 2024-2025 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 16let O = new Object(); 17let I = new Int(3); 18 19class C 20{ 21 field? : Object; 22 method(s: string) : int 23 { 24 return 1; 25 } 26 27 method (s? : string) : int 28 { 29 return 2; 30 } 31} 32 33function goo() 34{ 35 return I; 36} 37 38function main() : int 39{ 40 let c = new C(); 41 let var1? : Object; 42 let var2? = O; 43 let var3? = goo(); 44 45 assertEQ(c.method('blablabla'), 1) 46 assertEQ(c.method(undefined), 2) 47 assertEQ(c.method(), 2) 48 assertTrue(c.field === undefined) 49 50 assertTrue(var1 === undefined) 51 assertTrue(var2 === O) 52 assertTrue(var3 === I) 53 54 return 0; 55} 56